2 * Copyright (c) 2004-2011 Atheros Communications Inc.
3 * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
20 #include <linux/moduleparam.h>
21 #include <linux/inetdevice.h>
22 #include <linux/export.h>
30 #define RATETAB_ENT(_rate, _rateid, _flags) { \
33 .hw_value = (_rateid), \
36 #define CHAN2G(_channel, _freq, _flags) { \
37 .band = IEEE80211_BAND_2GHZ, \
38 .hw_value = (_channel), \
39 .center_freq = (_freq), \
41 .max_antenna_gain = 0, \
45 #define CHAN5G(_channel, _flags) { \
46 .band = IEEE80211_BAND_5GHZ, \
47 .hw_value = (_channel), \
48 .center_freq = 5000 + (5 * (_channel)), \
50 .max_antenna_gain = 0, \
54 #define DEFAULT_BG_SCAN_PERIOD 60
56 static struct ieee80211_rate ath6kl_rates[] = {
57 RATETAB_ENT(10, 0x1, 0),
58 RATETAB_ENT(20, 0x2, 0),
59 RATETAB_ENT(55, 0x4, 0),
60 RATETAB_ENT(110, 0x8, 0),
61 RATETAB_ENT(60, 0x10, 0),
62 RATETAB_ENT(90, 0x20, 0),
63 RATETAB_ENT(120, 0x40, 0),
64 RATETAB_ENT(180, 0x80, 0),
65 RATETAB_ENT(240, 0x100, 0),
66 RATETAB_ENT(360, 0x200, 0),
67 RATETAB_ENT(480, 0x400, 0),
68 RATETAB_ENT(540, 0x800, 0),
71 #define ath6kl_a_rates (ath6kl_rates + 4)
72 #define ath6kl_a_rates_size 8
73 #define ath6kl_g_rates (ath6kl_rates + 0)
74 #define ath6kl_g_rates_size 12
76 #define ath6kl_g_htcap IEEE80211_HT_CAP_SGI_20
77 #define ath6kl_a_htcap (IEEE80211_HT_CAP_SUP_WIDTH_20_40 | \
78 IEEE80211_HT_CAP_SGI_20 | \
79 IEEE80211_HT_CAP_SGI_40)
81 static struct ieee80211_channel ath6kl_2ghz_channels[] = {
98 static struct ieee80211_channel ath6kl_5ghz_a_channels[] = {
99 CHAN5G(34, 0), CHAN5G(36, 0),
100 CHAN5G(38, 0), CHAN5G(40, 0),
101 CHAN5G(42, 0), CHAN5G(44, 0),
102 CHAN5G(46, 0), CHAN5G(48, 0),
103 CHAN5G(52, 0), CHAN5G(56, 0),
104 CHAN5G(60, 0), CHAN5G(64, 0),
105 CHAN5G(100, 0), CHAN5G(104, 0),
106 CHAN5G(108, 0), CHAN5G(112, 0),
107 CHAN5G(116, 0), CHAN5G(120, 0),
108 CHAN5G(124, 0), CHAN5G(128, 0),
109 CHAN5G(132, 0), CHAN5G(136, 0),
110 CHAN5G(140, 0), CHAN5G(149, 0),
111 CHAN5G(153, 0), CHAN5G(157, 0),
112 CHAN5G(161, 0), CHAN5G(165, 0),
113 CHAN5G(184, 0), CHAN5G(188, 0),
114 CHAN5G(192, 0), CHAN5G(196, 0),
115 CHAN5G(200, 0), CHAN5G(204, 0),
116 CHAN5G(208, 0), CHAN5G(212, 0),
120 static struct ieee80211_supported_band ath6kl_band_2ghz = {
121 .n_channels = ARRAY_SIZE(ath6kl_2ghz_channels),
122 .channels = ath6kl_2ghz_channels,
123 .n_bitrates = ath6kl_g_rates_size,
124 .bitrates = ath6kl_g_rates,
125 .ht_cap.cap = ath6kl_g_htcap,
126 .ht_cap.ht_supported = true,
129 static struct ieee80211_supported_band ath6kl_band_5ghz = {
130 .n_channels = ARRAY_SIZE(ath6kl_5ghz_a_channels),
131 .channels = ath6kl_5ghz_a_channels,
132 .n_bitrates = ath6kl_a_rates_size,
133 .bitrates = ath6kl_a_rates,
134 .ht_cap.cap = ath6kl_a_htcap,
135 .ht_cap.ht_supported = true,
138 #define CCKM_KRK_CIPHER_SUITE 0x004096ff /* use for KRK */
140 /* returns true if scheduled scan was stopped */
141 static bool __ath6kl_cfg80211_sscan_stop(struct ath6kl_vif *vif)
143 struct ath6kl *ar = vif->ar;
145 if (ar->state != ATH6KL_STATE_SCHED_SCAN)
148 del_timer_sync(&vif->sched_scan_timer);
150 ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
151 ATH6KL_HOST_MODE_AWAKE);
153 ar->state = ATH6KL_STATE_ON;
158 static void ath6kl_cfg80211_sscan_disable(struct ath6kl_vif *vif)
160 struct ath6kl *ar = vif->ar;
163 stopped = __ath6kl_cfg80211_sscan_stop(vif);
168 cfg80211_sched_scan_stopped(ar->wiphy);
171 static int ath6kl_set_wpa_version(struct ath6kl_vif *vif,
172 enum nl80211_wpa_versions wpa_version)
174 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: %u\n", __func__, wpa_version);
177 vif->auth_mode = NONE_AUTH;
178 } else if (wpa_version & NL80211_WPA_VERSION_2) {
179 vif->auth_mode = WPA2_AUTH;
180 } else if (wpa_version & NL80211_WPA_VERSION_1) {
181 vif->auth_mode = WPA_AUTH;
183 ath6kl_err("%s: %u not supported\n", __func__, wpa_version);
190 static int ath6kl_set_auth_type(struct ath6kl_vif *vif,
191 enum nl80211_auth_type auth_type)
193 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, auth_type);
196 case NL80211_AUTHTYPE_OPEN_SYSTEM:
197 vif->dot11_auth_mode = OPEN_AUTH;
199 case NL80211_AUTHTYPE_SHARED_KEY:
200 vif->dot11_auth_mode = SHARED_AUTH;
202 case NL80211_AUTHTYPE_NETWORK_EAP:
203 vif->dot11_auth_mode = LEAP_AUTH;
206 case NL80211_AUTHTYPE_AUTOMATIC:
207 vif->dot11_auth_mode = OPEN_AUTH | SHARED_AUTH;
211 ath6kl_err("%s: 0x%x not supported\n", __func__, auth_type);
218 static int ath6kl_set_cipher(struct ath6kl_vif *vif, u32 cipher, bool ucast)
220 u8 *ar_cipher = ucast ? &vif->prwise_crypto : &vif->grp_crypto;
221 u8 *ar_cipher_len = ucast ? &vif->prwise_crypto_len :
222 &vif->grp_crypto_len;
224 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: cipher 0x%x, ucast %u\n",
225 __func__, cipher, ucast);
229 /* our own hack to use value 0 as no crypto used */
230 *ar_cipher = NONE_CRYPT;
233 case WLAN_CIPHER_SUITE_WEP40:
234 *ar_cipher = WEP_CRYPT;
237 case WLAN_CIPHER_SUITE_WEP104:
238 *ar_cipher = WEP_CRYPT;
241 case WLAN_CIPHER_SUITE_TKIP:
242 *ar_cipher = TKIP_CRYPT;
245 case WLAN_CIPHER_SUITE_CCMP:
246 *ar_cipher = AES_CRYPT;
249 case WLAN_CIPHER_SUITE_SMS4:
250 *ar_cipher = WAPI_CRYPT;
254 ath6kl_err("cipher 0x%x not supported\n", cipher);
261 static void ath6kl_set_key_mgmt(struct ath6kl_vif *vif, u32 key_mgmt)
263 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, key_mgmt);
265 if (key_mgmt == WLAN_AKM_SUITE_PSK) {
266 if (vif->auth_mode == WPA_AUTH)
267 vif->auth_mode = WPA_PSK_AUTH;
268 else if (vif->auth_mode == WPA2_AUTH)
269 vif->auth_mode = WPA2_PSK_AUTH;
270 } else if (key_mgmt == 0x00409600) {
271 if (vif->auth_mode == WPA_AUTH)
272 vif->auth_mode = WPA_AUTH_CCKM;
273 else if (vif->auth_mode == WPA2_AUTH)
274 vif->auth_mode = WPA2_AUTH_CCKM;
275 } else if (key_mgmt != WLAN_AKM_SUITE_8021X) {
276 vif->auth_mode = NONE_AUTH;
280 static bool ath6kl_cfg80211_ready(struct ath6kl_vif *vif)
282 struct ath6kl *ar = vif->ar;
284 if (!test_bit(WMI_READY, &ar->flag)) {
285 ath6kl_err("wmi is not ready\n");
289 if (!test_bit(WLAN_ENABLED, &vif->flags)) {
290 ath6kl_err("wlan disabled\n");
297 static bool ath6kl_is_wpa_ie(const u8 *pos)
299 return pos[0] == WLAN_EID_WPA && pos[1] >= 4 &&
300 pos[2] == 0x00 && pos[3] == 0x50 &&
301 pos[4] == 0xf2 && pos[5] == 0x01;
304 static bool ath6kl_is_rsn_ie(const u8 *pos)
306 return pos[0] == WLAN_EID_RSN;
309 static bool ath6kl_is_wps_ie(const u8 *pos)
311 return (pos[0] == WLAN_EID_VENDOR_SPECIFIC &&
313 pos[2] == 0x00 && pos[3] == 0x50 && pos[4] == 0xf2 &&
317 static int ath6kl_set_assoc_req_ies(struct ath6kl_vif *vif, const u8 *ies,
320 struct ath6kl *ar = vif->ar;
327 * Clear previously set flag
330 ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG;
333 * Filter out RSN/WPA IE(s)
336 if (ies && ies_len) {
337 buf = kmalloc(ies_len, GFP_KERNEL);
342 while (pos + 1 < ies + ies_len) {
343 if (pos + 2 + pos[1] > ies + ies_len)
345 if (!(ath6kl_is_wpa_ie(pos) || ath6kl_is_rsn_ie(pos))) {
346 memcpy(buf + len, pos, 2 + pos[1]);
350 if (ath6kl_is_wps_ie(pos))
351 ar->connect_ctrl_flags |= CONNECT_WPS_FLAG;
357 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
358 WMI_FRAME_ASSOC_REQ, buf, len);
363 static int ath6kl_nliftype_to_drv_iftype(enum nl80211_iftype type, u8 *nw_type)
366 case NL80211_IFTYPE_STATION:
367 *nw_type = INFRA_NETWORK;
369 case NL80211_IFTYPE_ADHOC:
370 *nw_type = ADHOC_NETWORK;
372 case NL80211_IFTYPE_AP:
373 *nw_type = AP_NETWORK;
375 case NL80211_IFTYPE_P2P_CLIENT:
376 *nw_type = INFRA_NETWORK;
378 case NL80211_IFTYPE_P2P_GO:
379 *nw_type = AP_NETWORK;
382 ath6kl_err("invalid interface type %u\n", type);
389 static bool ath6kl_is_valid_iftype(struct ath6kl *ar, enum nl80211_iftype type,
390 u8 *if_idx, u8 *nw_type)
394 if (ath6kl_nliftype_to_drv_iftype(type, nw_type))
397 if (ar->ibss_if_active || ((type == NL80211_IFTYPE_ADHOC) &&
401 if (type == NL80211_IFTYPE_STATION ||
402 type == NL80211_IFTYPE_AP || type == NL80211_IFTYPE_ADHOC) {
403 for (i = 0; i < ar->vif_max; i++) {
404 if ((ar->avail_idx_map >> i) & BIT(0)) {
411 if (type == NL80211_IFTYPE_P2P_CLIENT ||
412 type == NL80211_IFTYPE_P2P_GO) {
413 for (i = ar->max_norm_iface; i < ar->vif_max; i++) {
414 if ((ar->avail_idx_map >> i) & BIT(0)) {
424 static bool ath6kl_is_tx_pending(struct ath6kl *ar)
426 return ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)] == 0;
430 static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
431 struct cfg80211_connect_params *sme)
433 struct ath6kl *ar = ath6kl_priv(dev);
434 struct ath6kl_vif *vif = netdev_priv(dev);
436 u8 nw_subtype = (ar->p2p) ? SUBTYPE_P2PDEV : SUBTYPE_NONE;
439 ath6kl_cfg80211_sscan_disable(vif);
441 vif->sme_state = SME_CONNECTING;
443 if (!ath6kl_cfg80211_ready(vif))
446 if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
447 ath6kl_err("destroy in progress\n");
451 if (test_bit(SKIP_SCAN, &ar->flag) &&
452 ((sme->channel && sme->channel->center_freq == 0) ||
453 (sme->bssid && is_zero_ether_addr(sme->bssid)))) {
454 ath6kl_err("SkipScan: channel or bssid invalid\n");
458 if (down_interruptible(&ar->sem)) {
459 ath6kl_err("busy, couldn't get access\n");
463 if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
464 ath6kl_err("busy, destroy in progress\n");
469 if (ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)]) {
471 * sleep until the command queue drains
473 wait_event_interruptible_timeout(ar->event_wq,
474 ath6kl_is_tx_pending(ar),
476 if (signal_pending(current)) {
477 ath6kl_err("cmd queue drain timeout\n");
483 status = ath6kl_set_assoc_req_ies(vif, sme->ie, sme->ie_len);
489 if (sme->ie == NULL || sme->ie_len == 0)
490 ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG;
492 if (test_bit(CONNECTED, &vif->flags) &&
493 vif->ssid_len == sme->ssid_len &&
494 !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) {
495 vif->reconnect_flag = true;
496 status = ath6kl_wmi_reconnect_cmd(ar->wmi, vif->fw_vif_idx,
502 ath6kl_err("wmi_reconnect_cmd failed\n");
506 } else if (vif->ssid_len == sme->ssid_len &&
507 !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) {
508 ath6kl_disconnect(vif);
511 memset(vif->ssid, 0, sizeof(vif->ssid));
512 vif->ssid_len = sme->ssid_len;
513 memcpy(vif->ssid, sme->ssid, sme->ssid_len);
516 vif->ch_hint = sme->channel->center_freq;
518 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
519 if (sme->bssid && !is_broadcast_ether_addr(sme->bssid))
520 memcpy(vif->req_bssid, sme->bssid, sizeof(vif->req_bssid));
522 ath6kl_set_wpa_version(vif, sme->crypto.wpa_versions);
524 status = ath6kl_set_auth_type(vif, sme->auth_type);
530 if (sme->crypto.n_ciphers_pairwise)
531 ath6kl_set_cipher(vif, sme->crypto.ciphers_pairwise[0], true);
533 ath6kl_set_cipher(vif, 0, true);
535 ath6kl_set_cipher(vif, sme->crypto.cipher_group, false);
537 if (sme->crypto.n_akm_suites)
538 ath6kl_set_key_mgmt(vif, sme->crypto.akm_suites[0]);
540 if ((sme->key_len) &&
541 (vif->auth_mode == NONE_AUTH) &&
542 (vif->prwise_crypto == WEP_CRYPT)) {
543 struct ath6kl_key *key = NULL;
545 if (sme->key_idx > WMI_MAX_KEY_INDEX) {
546 ath6kl_err("key index %d out of bounds\n",
552 key = &vif->keys[sme->key_idx];
553 key->key_len = sme->key_len;
554 memcpy(key->key, sme->key, key->key_len);
555 key->cipher = vif->prwise_crypto;
556 vif->def_txkey_index = sme->key_idx;
558 ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, sme->key_idx,
560 GROUP_USAGE | TX_USAGE,
563 key->key, KEY_OP_INIT_VAL, NULL,
567 if (!ar->usr_bss_filter) {
568 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
569 if (ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
570 ALL_BSS_FILTER, 0) != 0) {
571 ath6kl_err("couldn't set bss filtering\n");
577 vif->nw_type = vif->next_mode;
579 if (vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT)
580 nw_subtype = SUBTYPE_P2PCLIENT;
582 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
583 "%s: connect called with authmode %d dot11 auth %d"
584 " PW crypto %d PW crypto len %d GRP crypto %d"
585 " GRP crypto len %d channel hint %u\n",
587 vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto,
588 vif->prwise_crypto_len, vif->grp_crypto,
589 vif->grp_crypto_len, vif->ch_hint);
591 vif->reconnect_flag = 0;
593 if (vif->nw_type == INFRA_NETWORK) {
594 interval = max_t(u16, vif->listen_intvl_t,
595 ATH6KL_MAX_WOW_LISTEN_INTL);
596 status = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
600 ath6kl_err("couldn't set listen intervel\n");
606 status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type,
607 vif->dot11_auth_mode, vif->auth_mode,
609 vif->prwise_crypto_len,
610 vif->grp_crypto, vif->grp_crypto_len,
611 vif->ssid_len, vif->ssid,
612 vif->req_bssid, vif->ch_hint,
613 ar->connect_ctrl_flags, nw_subtype);
615 /* disable background scan if period is 0 */
616 if (sme->bg_scan_period == 0)
617 sme->bg_scan_period = 0xffff;
619 /* configure default value if not specified */
620 if (sme->bg_scan_period == -1)
621 sme->bg_scan_period = DEFAULT_BG_SCAN_PERIOD;
623 ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 0, 0,
624 sme->bg_scan_period, 0, 0, 0, 3, 0, 0, 0);
628 if (status == -EINVAL) {
629 memset(vif->ssid, 0, sizeof(vif->ssid));
631 ath6kl_err("invalid request\n");
634 ath6kl_err("ath6kl_wmi_connect_cmd failed\n");
638 if ((!(ar->connect_ctrl_flags & CONNECT_DO_WPA_OFFLOAD)) &&
639 ((vif->auth_mode == WPA_PSK_AUTH) ||
640 (vif->auth_mode == WPA2_PSK_AUTH))) {
641 mod_timer(&vif->disconnect_timer,
642 jiffies + msecs_to_jiffies(DISCON_TIMER_INTVAL));
645 ar->connect_ctrl_flags &= ~CONNECT_DO_WPA_OFFLOAD;
646 set_bit(CONNECT_PEND, &vif->flags);
651 static struct cfg80211_bss *
652 ath6kl_add_bss_if_needed(struct ath6kl_vif *vif,
653 enum network_type nw_type,
655 struct ieee80211_channel *chan,
657 size_t beacon_ie_len)
659 struct ath6kl *ar = vif->ar;
660 struct cfg80211_bss *bss;
661 u16 cap_mask, cap_val;
664 if (nw_type & ADHOC_NETWORK) {
665 cap_mask = WLAN_CAPABILITY_IBSS;
666 cap_val = WLAN_CAPABILITY_IBSS;
668 cap_mask = WLAN_CAPABILITY_ESS;
669 cap_val = WLAN_CAPABILITY_ESS;
672 bss = cfg80211_get_bss(ar->wiphy, chan, bssid,
673 vif->ssid, vif->ssid_len,
677 * Since cfg80211 may not yet know about the BSS,
678 * generate a partial entry until the first BSS info
679 * event becomes available.
681 * Prepend SSID element since it is not included in the Beacon
682 * IEs from the target.
684 ie = kmalloc(2 + vif->ssid_len + beacon_ie_len, GFP_KERNEL);
687 ie[0] = WLAN_EID_SSID;
688 ie[1] = vif->ssid_len;
689 memcpy(ie + 2, vif->ssid, vif->ssid_len);
690 memcpy(ie + 2 + vif->ssid_len, beacon_ie, beacon_ie_len);
691 bss = cfg80211_inform_bss(ar->wiphy, chan,
692 bssid, 0, cap_val, 100,
693 ie, 2 + vif->ssid_len + beacon_ie_len,
696 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
697 "added bss %pM to cfg80211\n", bssid);
700 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "cfg80211 already has a bss\n");
705 void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel,
706 u8 *bssid, u16 listen_intvl,
708 enum network_type nw_type,
709 u8 beacon_ie_len, u8 assoc_req_len,
710 u8 assoc_resp_len, u8 *assoc_info)
712 struct ieee80211_channel *chan;
713 struct ath6kl *ar = vif->ar;
714 struct cfg80211_bss *bss;
716 /* capinfo + listen interval */
717 u8 assoc_req_ie_offset = sizeof(u16) + sizeof(u16);
719 /* capinfo + status code + associd */
720 u8 assoc_resp_ie_offset = sizeof(u16) + sizeof(u16) + sizeof(u16);
722 u8 *assoc_req_ie = assoc_info + beacon_ie_len + assoc_req_ie_offset;
723 u8 *assoc_resp_ie = assoc_info + beacon_ie_len + assoc_req_len +
724 assoc_resp_ie_offset;
726 assoc_req_len -= assoc_req_ie_offset;
727 assoc_resp_len -= assoc_resp_ie_offset;
730 * Store Beacon interval here; DTIM period will be available only once
731 * a Beacon frame from the AP is seen.
733 vif->assoc_bss_beacon_int = beacon_intvl;
734 clear_bit(DTIM_PERIOD_AVAIL, &vif->flags);
736 if (nw_type & ADHOC_NETWORK) {
737 if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) {
738 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
739 "%s: ath6k not in ibss mode\n", __func__);
744 if (nw_type & INFRA_NETWORK) {
745 if (vif->wdev.iftype != NL80211_IFTYPE_STATION &&
746 vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) {
747 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
748 "%s: ath6k not in station mode\n", __func__);
753 chan = ieee80211_get_channel(ar->wiphy, (int) channel);
755 bss = ath6kl_add_bss_if_needed(vif, nw_type, bssid, chan,
756 assoc_info, beacon_ie_len);
758 ath6kl_err("could not add cfg80211 bss entry\n");
762 if (nw_type & ADHOC_NETWORK) {
763 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "ad-hoc %s selected\n",
764 nw_type & ADHOC_CREATOR ? "creator" : "joiner");
765 cfg80211_ibss_joined(vif->ndev, bssid, GFP_KERNEL);
766 cfg80211_put_bss(bss);
770 if (vif->sme_state == SME_CONNECTING) {
771 /* inform connect result to cfg80211 */
772 vif->sme_state = SME_CONNECTED;
773 cfg80211_connect_result(vif->ndev, bssid,
774 assoc_req_ie, assoc_req_len,
775 assoc_resp_ie, assoc_resp_len,
776 WLAN_STATUS_SUCCESS, GFP_KERNEL);
777 cfg80211_put_bss(bss);
778 } else if (vif->sme_state == SME_CONNECTED) {
779 /* inform roam event to cfg80211 */
780 cfg80211_roamed_bss(vif->ndev, bss, assoc_req_ie, assoc_req_len,
781 assoc_resp_ie, assoc_resp_len, GFP_KERNEL);
785 static int ath6kl_cfg80211_disconnect(struct wiphy *wiphy,
786 struct net_device *dev, u16 reason_code)
788 struct ath6kl *ar = ath6kl_priv(dev);
789 struct ath6kl_vif *vif = netdev_priv(dev);
791 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: reason=%u\n", __func__,
794 ath6kl_cfg80211_sscan_disable(vif);
796 if (!ath6kl_cfg80211_ready(vif))
799 if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
800 ath6kl_err("busy, destroy in progress\n");
804 if (down_interruptible(&ar->sem)) {
805 ath6kl_err("busy, couldn't get access\n");
809 vif->reconnect_flag = 0;
810 ath6kl_disconnect(vif);
811 memset(vif->ssid, 0, sizeof(vif->ssid));
814 if (!test_bit(SKIP_SCAN, &ar->flag))
815 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
819 vif->sme_state = SME_DISCONNECTED;
824 void ath6kl_cfg80211_disconnect_event(struct ath6kl_vif *vif, u8 reason,
825 u8 *bssid, u8 assoc_resp_len,
826 u8 *assoc_info, u16 proto_reason)
828 struct ath6kl *ar = vif->ar;
831 cfg80211_scan_done(vif->scan_req, true);
832 vif->scan_req = NULL;
835 if (vif->nw_type & ADHOC_NETWORK) {
836 if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) {
837 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
838 "%s: ath6k not in ibss mode\n", __func__);
841 memset(bssid, 0, ETH_ALEN);
842 cfg80211_ibss_joined(vif->ndev, bssid, GFP_KERNEL);
846 if (vif->nw_type & INFRA_NETWORK) {
847 if (vif->wdev.iftype != NL80211_IFTYPE_STATION &&
848 vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) {
849 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
850 "%s: ath6k not in station mode\n", __func__);
856 * Send a disconnect command to target when a disconnect event is
857 * received with reason code other than 3 (DISCONNECT_CMD - disconnect
858 * request from host) to make the firmware stop trying to connect even
859 * after giving disconnect event. There will be one more disconnect
860 * event for this disconnect command with reason code DISCONNECT_CMD
861 * which will be notified to cfg80211.
864 if (reason != DISCONNECT_CMD) {
865 ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx);
869 clear_bit(CONNECT_PEND, &vif->flags);
871 if (vif->sme_state == SME_CONNECTING) {
872 cfg80211_connect_result(vif->ndev,
875 WLAN_STATUS_UNSPECIFIED_FAILURE,
877 } else if (vif->sme_state == SME_CONNECTED) {
878 cfg80211_disconnected(vif->ndev, reason,
879 NULL, 0, GFP_KERNEL);
882 vif->sme_state = SME_DISCONNECTED;
885 static int ath6kl_set_probed_ssids(struct ath6kl *ar,
886 struct ath6kl_vif *vif,
887 struct cfg80211_ssid *ssids, int n_ssids)
891 if (n_ssids > MAX_PROBED_SSID_INDEX)
894 for (i = 0; i < n_ssids; i++) {
895 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i,
897 SPECIFIC_SSID_FLAG : ANY_SSID_FLAG,
902 /* Make sure no old entries are left behind */
903 for (i = n_ssids; i < MAX_PROBED_SSID_INDEX; i++) {
904 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i,
905 DISABLE_SSID_FLAG, 0, NULL);
911 static int ath6kl_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev,
912 struct cfg80211_scan_request *request)
914 struct ath6kl *ar = ath6kl_priv(ndev);
915 struct ath6kl_vif *vif = netdev_priv(ndev);
917 u16 *channels = NULL;
919 u32 force_fg_scan = 0;
921 if (!ath6kl_cfg80211_ready(vif))
924 ath6kl_cfg80211_sscan_disable(vif);
926 if (!ar->usr_bss_filter) {
927 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
928 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
931 ath6kl_err("couldn't set bss filtering\n");
936 ret = ath6kl_set_probed_ssids(ar, vif, request->ssids,
941 /* this also clears IE in fw if it's not set */
942 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
944 request->ie, request->ie_len);
946 ath6kl_err("failed to set Probe Request appie for scan");
951 * Scan only the requested channels if the request specifies a set of
952 * channels. If the list is longer than the target supports, do not
953 * configure the list and instead, scan all available channels.
955 if (request->n_channels > 0 &&
956 request->n_channels <= WMI_MAX_CHANNELS) {
959 n_channels = request->n_channels;
961 channels = kzalloc(n_channels * sizeof(u16), GFP_KERNEL);
962 if (channels == NULL) {
963 ath6kl_warn("failed to set scan channels, scan all channels");
967 for (i = 0; i < n_channels; i++)
968 channels[i] = request->channels[i]->center_freq;
971 if (test_bit(CONNECTED, &vif->flags))
974 vif->scan_req = request;
976 if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
977 ar->fw_capabilities)) {
979 * If capable of doing P2P mgmt operations using
980 * station interface, send additional information like
981 * supported rates to advertise and xmit rates for
984 ret = ath6kl_wmi_beginscan_cmd(ar->wmi, vif->fw_vif_idx,
985 WMI_LONG_SCAN, force_fg_scan,
987 ATH6KL_FG_SCAN_INTERVAL,
988 n_channels, channels,
992 ret = ath6kl_wmi_startscan_cmd(ar->wmi, vif->fw_vif_idx,
993 WMI_LONG_SCAN, force_fg_scan,
995 ATH6KL_FG_SCAN_INTERVAL,
996 n_channels, channels);
999 ath6kl_err("wmi_startscan_cmd failed\n");
1000 vif->scan_req = NULL;
1008 void ath6kl_cfg80211_scan_complete_event(struct ath6kl_vif *vif, bool aborted)
1010 struct ath6kl *ar = vif->ar;
1013 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: status%s\n", __func__,
1014 aborted ? " aborted" : "");
1022 if (vif->scan_req->n_ssids && vif->scan_req->ssids[0].ssid_len) {
1023 for (i = 0; i < vif->scan_req->n_ssids; i++) {
1024 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx,
1025 i + 1, DISABLE_SSID_FLAG,
1031 cfg80211_scan_done(vif->scan_req, aborted);
1032 vif->scan_req = NULL;
1035 void ath6kl_cfg80211_ch_switch_notify(struct ath6kl_vif *vif, int freq,
1036 enum wmi_phy_mode mode)
1038 enum nl80211_channel_type type;
1040 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1041 "channel switch notify nw_type %d freq %d mode %d\n",
1042 vif->nw_type, freq, mode);
1044 type = (mode == WMI_11G_HT20) ? NL80211_CHAN_HT20 : NL80211_CHAN_NO_HT;
1046 cfg80211_ch_switch_notify(vif->ndev, freq, type);
1049 static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
1050 u8 key_index, bool pairwise,
1052 struct key_params *params)
1054 struct ath6kl *ar = ath6kl_priv(ndev);
1055 struct ath6kl_vif *vif = netdev_priv(ndev);
1056 struct ath6kl_key *key = NULL;
1061 if (!ath6kl_cfg80211_ready(vif))
1064 if (params->cipher == CCKM_KRK_CIPHER_SUITE) {
1065 if (params->key_len != WMI_KRK_LEN)
1067 return ath6kl_wmi_add_krk_cmd(ar->wmi, vif->fw_vif_idx,
1071 if (key_index > WMI_MAX_KEY_INDEX) {
1072 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1073 "%s: key index %d out of bounds\n", __func__,
1078 key = &vif->keys[key_index];
1079 memset(key, 0, sizeof(struct ath6kl_key));
1082 key_usage = PAIRWISE_USAGE;
1084 key_usage = GROUP_USAGE;
1086 seq_len = params->seq_len;
1087 if (params->cipher == WLAN_CIPHER_SUITE_SMS4 &&
1088 seq_len > ATH6KL_KEY_SEQ_LEN) {
1089 /* Only first half of the WPI PN is configured */
1090 seq_len = ATH6KL_KEY_SEQ_LEN;
1092 if (params->key_len > WLAN_MAX_KEY_LEN ||
1093 seq_len > sizeof(key->seq))
1096 key->key_len = params->key_len;
1097 memcpy(key->key, params->key, key->key_len);
1098 key->seq_len = seq_len;
1099 memcpy(key->seq, params->seq, key->seq_len);
1100 key->cipher = params->cipher;
1102 switch (key->cipher) {
1103 case WLAN_CIPHER_SUITE_WEP40:
1104 case WLAN_CIPHER_SUITE_WEP104:
1105 key_type = WEP_CRYPT;
1108 case WLAN_CIPHER_SUITE_TKIP:
1109 key_type = TKIP_CRYPT;
1112 case WLAN_CIPHER_SUITE_CCMP:
1113 key_type = AES_CRYPT;
1115 case WLAN_CIPHER_SUITE_SMS4:
1116 key_type = WAPI_CRYPT;
1123 if (((vif->auth_mode == WPA_PSK_AUTH) ||
1124 (vif->auth_mode == WPA2_PSK_AUTH)) &&
1125 (key_usage & GROUP_USAGE))
1126 del_timer(&vif->disconnect_timer);
1128 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1129 "%s: index %d, key_len %d, key_type 0x%x, key_usage 0x%x, seq_len %d\n",
1130 __func__, key_index, key->key_len, key_type,
1131 key_usage, key->seq_len);
1133 if (vif->nw_type == AP_NETWORK && !pairwise &&
1134 (key_type == TKIP_CRYPT || key_type == AES_CRYPT ||
1135 key_type == WAPI_CRYPT)) {
1136 ar->ap_mode_bkey.valid = true;
1137 ar->ap_mode_bkey.key_index = key_index;
1138 ar->ap_mode_bkey.key_type = key_type;
1139 ar->ap_mode_bkey.key_len = key->key_len;
1140 memcpy(ar->ap_mode_bkey.key, key->key, key->key_len);
1141 if (!test_bit(CONNECTED, &vif->flags)) {
1142 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1143 "Delay initial group key configuration until AP mode has been started\n");
1145 * The key will be set in ath6kl_connect_ap_mode() once
1146 * the connected event is received from the target.
1152 if (vif->next_mode == AP_NETWORK && key_type == WEP_CRYPT &&
1153 !test_bit(CONNECTED, &vif->flags)) {
1155 * Store the key locally so that it can be re-configured after
1156 * the AP mode has properly started
1157 * (ath6kl_install_statioc_wep_keys).
1159 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1160 "Delay WEP key configuration until AP mode has been started\n");
1161 vif->wep_key_list[key_index].key_len = key->key_len;
1162 memcpy(vif->wep_key_list[key_index].key, key->key,
1167 return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, key_index,
1168 key_type, key_usage, key->key_len,
1169 key->seq, key->seq_len, key->key,
1171 (u8 *) mac_addr, SYNC_BOTH_WMIFLAG);
1174 static int ath6kl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
1175 u8 key_index, bool pairwise,
1178 struct ath6kl *ar = ath6kl_priv(ndev);
1179 struct ath6kl_vif *vif = netdev_priv(ndev);
1181 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1183 if (!ath6kl_cfg80211_ready(vif))
1186 if (key_index > WMI_MAX_KEY_INDEX) {
1187 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1188 "%s: key index %d out of bounds\n", __func__,
1193 if (!vif->keys[key_index].key_len) {
1194 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1195 "%s: index %d is empty\n", __func__, key_index);
1199 vif->keys[key_index].key_len = 0;
1201 return ath6kl_wmi_deletekey_cmd(ar->wmi, vif->fw_vif_idx, key_index);
1204 static int ath6kl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
1205 u8 key_index, bool pairwise,
1206 const u8 *mac_addr, void *cookie,
1207 void (*callback) (void *cookie,
1208 struct key_params *))
1210 struct ath6kl_vif *vif = netdev_priv(ndev);
1211 struct ath6kl_key *key = NULL;
1212 struct key_params params;
1214 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1216 if (!ath6kl_cfg80211_ready(vif))
1219 if (key_index > WMI_MAX_KEY_INDEX) {
1220 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1221 "%s: key index %d out of bounds\n", __func__,
1226 key = &vif->keys[key_index];
1227 memset(¶ms, 0, sizeof(params));
1228 params.cipher = key->cipher;
1229 params.key_len = key->key_len;
1230 params.seq_len = key->seq_len;
1231 params.seq = key->seq;
1232 params.key = key->key;
1234 callback(cookie, ¶ms);
1236 return key->key_len ? 0 : -ENOENT;
1239 static int ath6kl_cfg80211_set_default_key(struct wiphy *wiphy,
1240 struct net_device *ndev,
1241 u8 key_index, bool unicast,
1244 struct ath6kl *ar = ath6kl_priv(ndev);
1245 struct ath6kl_vif *vif = netdev_priv(ndev);
1246 struct ath6kl_key *key = NULL;
1248 enum crypto_type key_type = NONE_CRYPT;
1250 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1252 if (!ath6kl_cfg80211_ready(vif))
1255 if (key_index > WMI_MAX_KEY_INDEX) {
1256 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1257 "%s: key index %d out of bounds\n",
1258 __func__, key_index);
1262 if (!vif->keys[key_index].key_len) {
1263 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: invalid key index %d\n",
1264 __func__, key_index);
1268 vif->def_txkey_index = key_index;
1269 key = &vif->keys[vif->def_txkey_index];
1270 key_usage = GROUP_USAGE;
1271 if (vif->prwise_crypto == WEP_CRYPT)
1272 key_usage |= TX_USAGE;
1274 key_type = vif->prwise_crypto;
1276 key_type = vif->grp_crypto;
1278 if (vif->next_mode == AP_NETWORK && !test_bit(CONNECTED, &vif->flags))
1279 return 0; /* Delay until AP mode has been started */
1281 return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx,
1282 vif->def_txkey_index,
1283 key_type, key_usage,
1284 key->key_len, key->seq, key->seq_len,
1286 KEY_OP_INIT_VAL, NULL,
1290 void ath6kl_cfg80211_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid,
1293 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1294 "%s: keyid %d, ismcast %d\n", __func__, keyid, ismcast);
1296 cfg80211_michael_mic_failure(vif->ndev, vif->bssid,
1297 (ismcast ? NL80211_KEYTYPE_GROUP :
1298 NL80211_KEYTYPE_PAIRWISE), keyid, NULL,
1302 static int ath6kl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1304 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
1305 struct ath6kl_vif *vif;
1308 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: changed 0x%x\n", __func__,
1311 vif = ath6kl_vif_first(ar);
1315 if (!ath6kl_cfg80211_ready(vif))
1318 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1319 ret = ath6kl_wmi_set_rts_cmd(ar->wmi, wiphy->rts_threshold);
1321 ath6kl_err("ath6kl_wmi_set_rts_cmd failed\n");
1330 * The type nl80211_tx_power_setting replaces the following
1331 * data type from 2.6.36 onwards
1333 static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy,
1334 enum nl80211_tx_power_setting type,
1337 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
1338 struct ath6kl_vif *vif;
1339 int dbm = MBM_TO_DBM(mbm);
1341 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x, dbm %d\n", __func__,
1344 vif = ath6kl_vif_first(ar);
1348 if (!ath6kl_cfg80211_ready(vif))
1352 case NL80211_TX_POWER_AUTOMATIC:
1354 case NL80211_TX_POWER_LIMITED:
1358 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x not supported\n",
1363 ath6kl_wmi_set_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx, dbm);
1368 static int ath6kl_cfg80211_get_txpower(struct wiphy *wiphy, int *dbm)
1370 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
1371 struct ath6kl_vif *vif;
1373 vif = ath6kl_vif_first(ar);
1377 if (!ath6kl_cfg80211_ready(vif))
1380 if (test_bit(CONNECTED, &vif->flags)) {
1383 if (ath6kl_wmi_get_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx) != 0) {
1384 ath6kl_err("ath6kl_wmi_get_tx_pwr_cmd failed\n");
1388 wait_event_interruptible_timeout(ar->event_wq, ar->tx_pwr != 0,
1391 if (signal_pending(current)) {
1392 ath6kl_err("target did not respond\n");
1401 static int ath6kl_cfg80211_set_power_mgmt(struct wiphy *wiphy,
1402 struct net_device *dev,
1403 bool pmgmt, int timeout)
1405 struct ath6kl *ar = ath6kl_priv(dev);
1406 struct wmi_power_mode_cmd mode;
1407 struct ath6kl_vif *vif = netdev_priv(dev);
1409 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: pmgmt %d, timeout %d\n",
1410 __func__, pmgmt, timeout);
1412 if (!ath6kl_cfg80211_ready(vif))
1416 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: max perf\n", __func__);
1417 mode.pwr_mode = REC_POWER;
1419 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: rec power\n", __func__);
1420 mode.pwr_mode = MAX_PERF_POWER;
1423 if (ath6kl_wmi_powermode_cmd(ar->wmi, vif->fw_vif_idx,
1424 mode.pwr_mode) != 0) {
1425 ath6kl_err("wmi_powermode_cmd failed\n");
1432 static struct net_device *ath6kl_cfg80211_add_iface(struct wiphy *wiphy,
1434 enum nl80211_iftype type,
1436 struct vif_params *params)
1438 struct ath6kl *ar = wiphy_priv(wiphy);
1439 struct net_device *ndev;
1442 if (ar->num_vif == ar->vif_max) {
1443 ath6kl_err("Reached maximum number of supported vif\n");
1444 return ERR_PTR(-EINVAL);
1447 if (!ath6kl_is_valid_iftype(ar, type, &if_idx, &nw_type)) {
1448 ath6kl_err("Not a supported interface type\n");
1449 return ERR_PTR(-EINVAL);
1452 ndev = ath6kl_interface_add(ar, name, type, if_idx, nw_type);
1454 return ERR_PTR(-ENOMEM);
1461 static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy,
1462 struct net_device *ndev)
1464 struct ath6kl *ar = wiphy_priv(wiphy);
1465 struct ath6kl_vif *vif = netdev_priv(ndev);
1467 spin_lock_bh(&ar->list_lock);
1468 list_del(&vif->list);
1469 spin_unlock_bh(&ar->list_lock);
1471 ath6kl_cleanup_vif(vif, test_bit(WMI_READY, &ar->flag));
1473 ath6kl_cfg80211_vif_cleanup(vif);
1478 static int ath6kl_cfg80211_change_iface(struct wiphy *wiphy,
1479 struct net_device *ndev,
1480 enum nl80211_iftype type, u32 *flags,
1481 struct vif_params *params)
1483 struct ath6kl_vif *vif = netdev_priv(ndev);
1486 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type %u\n", __func__, type);
1489 * Don't bring up p2p on an interface which is not initialized
1490 * for p2p operation where fw does not have capability to switch
1491 * dynamically between non-p2p and p2p type interface.
1493 if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
1494 vif->ar->fw_capabilities) &&
1495 (type == NL80211_IFTYPE_P2P_CLIENT ||
1496 type == NL80211_IFTYPE_P2P_GO)) {
1497 if (vif->ar->vif_max == 1) {
1498 if (vif->fw_vif_idx != 0)
1501 goto set_iface_type;
1504 for (i = vif->ar->max_norm_iface; i < vif->ar->vif_max; i++) {
1505 if (i == vif->fw_vif_idx)
1509 if (i == vif->ar->vif_max) {
1510 ath6kl_err("Invalid interface to bring up P2P\n");
1517 case NL80211_IFTYPE_STATION:
1518 vif->next_mode = INFRA_NETWORK;
1520 case NL80211_IFTYPE_ADHOC:
1521 vif->next_mode = ADHOC_NETWORK;
1523 case NL80211_IFTYPE_AP:
1524 vif->next_mode = AP_NETWORK;
1526 case NL80211_IFTYPE_P2P_CLIENT:
1527 vif->next_mode = INFRA_NETWORK;
1529 case NL80211_IFTYPE_P2P_GO:
1530 vif->next_mode = AP_NETWORK;
1533 ath6kl_err("invalid interface type %u\n", type);
1537 vif->wdev.iftype = type;
1542 static int ath6kl_cfg80211_join_ibss(struct wiphy *wiphy,
1543 struct net_device *dev,
1544 struct cfg80211_ibss_params *ibss_param)
1546 struct ath6kl *ar = ath6kl_priv(dev);
1547 struct ath6kl_vif *vif = netdev_priv(dev);
1550 if (!ath6kl_cfg80211_ready(vif))
1553 vif->ssid_len = ibss_param->ssid_len;
1554 memcpy(vif->ssid, ibss_param->ssid, vif->ssid_len);
1556 if (ibss_param->channel)
1557 vif->ch_hint = ibss_param->channel->center_freq;
1559 if (ibss_param->channel_fixed) {
1561 * TODO: channel_fixed: The channel should be fixed, do not
1562 * search for IBSSs to join on other channels. Target
1563 * firmware does not support this feature, needs to be
1569 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
1570 if (ibss_param->bssid && !is_broadcast_ether_addr(ibss_param->bssid))
1571 memcpy(vif->req_bssid, ibss_param->bssid,
1572 sizeof(vif->req_bssid));
1574 ath6kl_set_wpa_version(vif, 0);
1576 status = ath6kl_set_auth_type(vif, NL80211_AUTHTYPE_OPEN_SYSTEM);
1580 if (ibss_param->privacy) {
1581 ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, true);
1582 ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, false);
1584 ath6kl_set_cipher(vif, 0, true);
1585 ath6kl_set_cipher(vif, 0, false);
1588 vif->nw_type = vif->next_mode;
1590 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1591 "%s: connect called with authmode %d dot11 auth %d"
1592 " PW crypto %d PW crypto len %d GRP crypto %d"
1593 " GRP crypto len %d channel hint %u\n",
1595 vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto,
1596 vif->prwise_crypto_len, vif->grp_crypto,
1597 vif->grp_crypto_len, vif->ch_hint);
1599 status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type,
1600 vif->dot11_auth_mode, vif->auth_mode,
1602 vif->prwise_crypto_len,
1603 vif->grp_crypto, vif->grp_crypto_len,
1604 vif->ssid_len, vif->ssid,
1605 vif->req_bssid, vif->ch_hint,
1606 ar->connect_ctrl_flags, SUBTYPE_NONE);
1607 set_bit(CONNECT_PEND, &vif->flags);
1612 static int ath6kl_cfg80211_leave_ibss(struct wiphy *wiphy,
1613 struct net_device *dev)
1615 struct ath6kl_vif *vif = netdev_priv(dev);
1617 if (!ath6kl_cfg80211_ready(vif))
1620 ath6kl_disconnect(vif);
1621 memset(vif->ssid, 0, sizeof(vif->ssid));
1627 static const u32 cipher_suites[] = {
1628 WLAN_CIPHER_SUITE_WEP40,
1629 WLAN_CIPHER_SUITE_WEP104,
1630 WLAN_CIPHER_SUITE_TKIP,
1631 WLAN_CIPHER_SUITE_CCMP,
1632 CCKM_KRK_CIPHER_SUITE,
1633 WLAN_CIPHER_SUITE_SMS4,
1636 static bool is_rate_legacy(s32 rate)
1638 static const s32 legacy[] = { 1000, 2000, 5500, 11000,
1639 6000, 9000, 12000, 18000, 24000,
1644 for (i = 0; i < ARRAY_SIZE(legacy); i++)
1645 if (rate == legacy[i])
1651 static bool is_rate_ht20(s32 rate, u8 *mcs, bool *sgi)
1653 static const s32 ht20[] = { 6500, 13000, 19500, 26000, 39000,
1654 52000, 58500, 65000, 72200
1658 for (i = 0; i < ARRAY_SIZE(ht20); i++) {
1659 if (rate == ht20[i]) {
1660 if (i == ARRAY_SIZE(ht20) - 1)
1661 /* last rate uses sgi */
1673 static bool is_rate_ht40(s32 rate, u8 *mcs, bool *sgi)
1675 static const s32 ht40[] = { 13500, 27000, 40500, 54000,
1676 81000, 108000, 121500, 135000,
1681 for (i = 0; i < ARRAY_SIZE(ht40); i++) {
1682 if (rate == ht40[i]) {
1683 if (i == ARRAY_SIZE(ht40) - 1)
1684 /* last rate uses sgi */
1697 static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev,
1698 u8 *mac, struct station_info *sinfo)
1700 struct ath6kl *ar = ath6kl_priv(dev);
1701 struct ath6kl_vif *vif = netdev_priv(dev);
1708 if (memcmp(mac, vif->bssid, ETH_ALEN) != 0)
1711 if (down_interruptible(&ar->sem))
1714 set_bit(STATS_UPDATE_PEND, &vif->flags);
1716 ret = ath6kl_wmi_get_stats_cmd(ar->wmi, vif->fw_vif_idx);
1723 left = wait_event_interruptible_timeout(ar->event_wq,
1724 !test_bit(STATS_UPDATE_PEND,
1735 if (vif->target_stats.rx_byte) {
1736 sinfo->rx_bytes = vif->target_stats.rx_byte;
1737 sinfo->filled |= STATION_INFO_RX_BYTES;
1738 sinfo->rx_packets = vif->target_stats.rx_pkt;
1739 sinfo->filled |= STATION_INFO_RX_PACKETS;
1742 if (vif->target_stats.tx_byte) {
1743 sinfo->tx_bytes = vif->target_stats.tx_byte;
1744 sinfo->filled |= STATION_INFO_TX_BYTES;
1745 sinfo->tx_packets = vif->target_stats.tx_pkt;
1746 sinfo->filled |= STATION_INFO_TX_PACKETS;
1749 sinfo->signal = vif->target_stats.cs_rssi;
1750 sinfo->filled |= STATION_INFO_SIGNAL;
1752 rate = vif->target_stats.tx_ucast_rate;
1754 if (is_rate_legacy(rate)) {
1755 sinfo->txrate.legacy = rate / 100;
1756 } else if (is_rate_ht20(rate, &mcs, &sgi)) {
1758 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
1759 sinfo->txrate.mcs = mcs - 1;
1761 sinfo->txrate.mcs = mcs;
1764 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
1765 } else if (is_rate_ht40(rate, &mcs, &sgi)) {
1767 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
1768 sinfo->txrate.mcs = mcs - 1;
1770 sinfo->txrate.mcs = mcs;
1773 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
1774 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
1776 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1777 "invalid rate from stats: %d\n", rate);
1778 ath6kl_debug_war(ar, ATH6KL_WAR_INVALID_RATE);
1782 sinfo->filled |= STATION_INFO_TX_BITRATE;
1784 if (test_bit(CONNECTED, &vif->flags) &&
1785 test_bit(DTIM_PERIOD_AVAIL, &vif->flags) &&
1786 vif->nw_type == INFRA_NETWORK) {
1787 sinfo->filled |= STATION_INFO_BSS_PARAM;
1788 sinfo->bss_param.flags = 0;
1789 sinfo->bss_param.dtim_period = vif->assoc_bss_dtim_period;
1790 sinfo->bss_param.beacon_interval = vif->assoc_bss_beacon_int;
1796 static int ath6kl_set_pmksa(struct wiphy *wiphy, struct net_device *netdev,
1797 struct cfg80211_pmksa *pmksa)
1799 struct ath6kl *ar = ath6kl_priv(netdev);
1800 struct ath6kl_vif *vif = netdev_priv(netdev);
1802 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid,
1803 pmksa->pmkid, true);
1806 static int ath6kl_del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
1807 struct cfg80211_pmksa *pmksa)
1809 struct ath6kl *ar = ath6kl_priv(netdev);
1810 struct ath6kl_vif *vif = netdev_priv(netdev);
1812 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid,
1813 pmksa->pmkid, false);
1816 static int ath6kl_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev)
1818 struct ath6kl *ar = ath6kl_priv(netdev);
1819 struct ath6kl_vif *vif = netdev_priv(netdev);
1821 if (test_bit(CONNECTED, &vif->flags))
1822 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx,
1823 vif->bssid, NULL, false);
1827 static int ath6kl_wow_usr(struct ath6kl *ar, struct ath6kl_vif *vif,
1828 struct cfg80211_wowlan *wow, u32 *filter)
1831 u8 mask[WOW_MASK_SIZE];
1834 /* Configure the patterns that we received from the user. */
1835 for (i = 0; i < wow->n_patterns; i++) {
1838 * Convert given nl80211 specific mask value to equivalent
1839 * driver specific mask value and send it to the chip along
1840 * with patterns. For example, If the mask value defined in
1841 * struct cfg80211_wowlan is 0xA (equivalent binary is 1010),
1842 * then equivalent driver specific mask value is
1843 * "0xFF 0x00 0xFF 0x00".
1845 memset(&mask, 0, sizeof(mask));
1846 for (pos = 0; pos < wow->patterns[i].pattern_len; pos++) {
1847 if (wow->patterns[i].mask[pos / 8] & (0x1 << (pos % 8)))
1851 * Note: Pattern's offset is not passed as part of wowlan
1852 * parameter from CFG layer. So it's always passed as ZERO
1853 * to the firmware. It means, given WOW patterns are always
1854 * matched from the first byte of received pkt in the firmware.
1856 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1857 vif->fw_vif_idx, WOW_LIST_ID,
1858 wow->patterns[i].pattern_len,
1859 0 /* pattern offset */,
1860 wow->patterns[i].pattern, mask);
1865 if (wow->disconnect)
1866 *filter |= WOW_FILTER_OPTION_NWK_DISASSOC;
1869 *filter |= WOW_FILTER_OPTION_MAGIC_PACKET;
1871 if (wow->gtk_rekey_failure)
1872 *filter |= WOW_FILTER_OPTION_GTK_ERROR;
1874 if (wow->eap_identity_req)
1875 *filter |= WOW_FILTER_OPTION_EAP_REQ;
1877 if (wow->four_way_handshake)
1878 *filter |= WOW_FILTER_OPTION_8021X_4WAYHS;
1883 static int ath6kl_wow_ap(struct ath6kl *ar, struct ath6kl_vif *vif)
1885 static const u8 unicst_pattern[] = { 0x00, 0x00, 0x00,
1886 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1887 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1889 static const u8 unicst_mask[] = { 0x01, 0x00, 0x00,
1890 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1891 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1893 u8 unicst_offset = 0;
1894 static const u8 arp_pattern[] = { 0x08, 0x06 };
1895 static const u8 arp_mask[] = { 0xff, 0xff };
1897 static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 };
1898 static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 };
1899 u8 discvr_offset = 38;
1900 static const u8 dhcp_pattern[] = { 0xff, 0xff, 0xff, 0xff,
1901 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1902 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00,
1903 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1904 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1905 0x00, 0x00, 0x00, 0x00, 0x00, 0x43 /* port 67 */ };
1906 static const u8 dhcp_mask[] = { 0xff, 0xff, 0xff, 0xff,
1907 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1908 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff,
1909 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1910 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1911 0x00, 0x00, 0x00, 0x00, 0xff, 0xff /* port 67 */ };
1915 /* Setup unicast IP, EAPOL-like and ARP pkt pattern */
1916 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1917 vif->fw_vif_idx, WOW_LIST_ID,
1918 sizeof(unicst_pattern), unicst_offset,
1919 unicst_pattern, unicst_mask);
1921 ath6kl_err("failed to add WOW unicast IP pattern\n");
1925 /* Setup all ARP pkt pattern */
1926 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1927 vif->fw_vif_idx, WOW_LIST_ID,
1928 sizeof(arp_pattern), arp_offset,
1929 arp_pattern, arp_mask);
1931 ath6kl_err("failed to add WOW ARP pattern\n");
1936 * Setup multicast pattern for mDNS 224.0.0.251,
1937 * SSDP 239.255.255.250 and LLMNR 224.0.0.252
1939 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1940 vif->fw_vif_idx, WOW_LIST_ID,
1941 sizeof(discvr_pattern), discvr_offset,
1942 discvr_pattern, discvr_mask);
1944 ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n");
1948 /* Setup all DHCP broadcast pkt pattern */
1949 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1950 vif->fw_vif_idx, WOW_LIST_ID,
1951 sizeof(dhcp_pattern), dhcp_offset,
1952 dhcp_pattern, dhcp_mask);
1954 ath6kl_err("failed to add WOW DHCP broadcast pattern\n");
1961 static int ath6kl_wow_sta(struct ath6kl *ar, struct ath6kl_vif *vif)
1963 struct net_device *ndev = vif->ndev;
1964 static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 };
1965 static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 };
1966 u8 discvr_offset = 38;
1967 u8 mac_mask[ETH_ALEN];
1970 /* Setup unicast pkt pattern */
1971 memset(mac_mask, 0xff, ETH_ALEN);
1972 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1973 vif->fw_vif_idx, WOW_LIST_ID,
1974 ETH_ALEN, 0, ndev->dev_addr,
1977 ath6kl_err("failed to add WOW unicast pattern\n");
1982 * Setup multicast pattern for mDNS 224.0.0.251,
1983 * SSDP 239.255.255.250 and LLMNR 224.0.0.252
1985 if ((ndev->flags & IFF_ALLMULTI) ||
1986 (ndev->flags & IFF_MULTICAST && netdev_mc_count(ndev) > 0)) {
1987 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1988 vif->fw_vif_idx, WOW_LIST_ID,
1989 sizeof(discvr_pattern), discvr_offset,
1990 discvr_pattern, discvr_mask);
1992 ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n");
2000 static int is_hsleep_mode_procsed(struct ath6kl_vif *vif)
2002 return test_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2005 static bool is_ctrl_ep_empty(struct ath6kl *ar)
2007 return !ar->tx_pending[ar->ctrl_ep];
2010 static int ath6kl_cfg80211_host_sleep(struct ath6kl *ar, struct ath6kl_vif *vif)
2014 clear_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2016 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2017 ATH6KL_HOST_MODE_ASLEEP);
2021 left = wait_event_interruptible_timeout(ar->event_wq,
2022 is_hsleep_mode_procsed(vif),
2025 ath6kl_warn("timeout, didn't get host sleep cmd processed event\n");
2027 } else if (left < 0) {
2028 ath6kl_warn("error while waiting for host sleep cmd processed event %d\n",
2033 if (ar->tx_pending[ar->ctrl_ep]) {
2034 left = wait_event_interruptible_timeout(ar->event_wq,
2035 is_ctrl_ep_empty(ar),
2038 ath6kl_warn("clear wmi ctrl data timeout\n");
2040 } else if (left < 0) {
2041 ath6kl_warn("clear wmi ctrl data failed: %d\n", left);
2049 static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow)
2051 struct in_device *in_dev;
2052 struct in_ifaddr *ifa;
2053 struct ath6kl_vif *vif;
2058 __be32 ips[MAX_IP_ADDRS];
2060 /* The FW currently can't support multi-vif WoW properly. */
2061 if (ar->num_vif > 1)
2064 vif = ath6kl_vif_first(ar);
2068 if (!ath6kl_cfg80211_ready(vif))
2071 if (!test_bit(CONNECTED, &vif->flags))
2074 if (wow && (wow->n_patterns > WOW_MAX_FILTERS_PER_LIST))
2077 if (!test_bit(NETDEV_MCAST_ALL_ON, &vif->flags)) {
2078 ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi,
2079 vif->fw_vif_idx, false);
2084 /* Clear existing WOW patterns */
2085 for (i = 0; i < WOW_MAX_FILTERS_PER_LIST; i++)
2086 ath6kl_wmi_del_wow_pattern_cmd(ar->wmi, vif->fw_vif_idx,
2090 * Skip the default WOW pattern configuration
2091 * if the driver receives any WOW patterns from
2095 ret = ath6kl_wow_usr(ar, vif, wow, &filter);
2096 else if (vif->nw_type == AP_NETWORK)
2097 ret = ath6kl_wow_ap(ar, vif);
2099 ret = ath6kl_wow_sta(ar, vif);
2104 netif_stop_queue(vif->ndev);
2106 if (vif->nw_type != AP_NETWORK) {
2107 ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
2108 ATH6KL_MAX_WOW_LISTEN_INTL,
2113 /* Set listen interval x 15 times as bmiss time */
2114 bmiss_time = ATH6KL_MAX_WOW_LISTEN_INTL * 15;
2115 if (bmiss_time > ATH6KL_MAX_BMISS_TIME)
2116 bmiss_time = ATH6KL_MAX_BMISS_TIME;
2118 ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx,
2123 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2124 0xFFFF, 0, 0xFFFF, 0, 0, 0,
2130 ar->state = ATH6KL_STATE_SUSPENDING;
2132 /* Setup own IP addr for ARP agent. */
2133 in_dev = __in_dev_get_rtnl(vif->ndev);
2137 ifa = in_dev->ifa_list;
2138 memset(&ips, 0, sizeof(ips));
2140 /* Configure IP addr only if IP address count < MAX_IP_ADDRS */
2141 while (index < MAX_IP_ADDRS && ifa) {
2142 ips[index] = ifa->ifa_local;
2143 ifa = ifa->ifa_next;
2148 ath6kl_err("total IP addr count is exceeding fw limit\n");
2152 ret = ath6kl_wmi_set_ip_cmd(ar->wmi, vif->fw_vif_idx, ips[0], ips[1]);
2154 ath6kl_err("fail to setup ip for arp agent\n");
2159 ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx,
2160 ATH6KL_WOW_MODE_ENABLE,
2162 WOW_HOST_REQ_DELAY);
2166 ret = ath6kl_cfg80211_host_sleep(ar, vif);
2173 static int ath6kl_wow_resume(struct ath6kl *ar)
2175 struct ath6kl_vif *vif;
2178 vif = ath6kl_vif_first(ar);
2182 ar->state = ATH6KL_STATE_RESUMING;
2184 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2185 ATH6KL_HOST_MODE_AWAKE);
2187 ath6kl_warn("Failed to configure host sleep mode for wow resume: %d\n",
2189 ar->state = ATH6KL_STATE_WOW;
2193 if (vif->nw_type != AP_NETWORK) {
2194 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2195 0, 0, 0, 0, 0, 0, 3, 0, 0, 0);
2199 ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
2200 vif->listen_intvl_t, 0);
2204 ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx,
2205 vif->bmiss_time_t, 0);
2210 ar->state = ATH6KL_STATE_ON;
2212 if (!test_bit(NETDEV_MCAST_ALL_OFF, &vif->flags)) {
2213 ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi,
2214 vif->fw_vif_idx, true);
2219 netif_wake_queue(vif->ndev);
2224 static int ath6kl_cfg80211_deepsleep_suspend(struct ath6kl *ar)
2226 struct ath6kl_vif *vif;
2229 vif = ath6kl_vif_first(ar);
2233 if (!test_bit(WMI_READY, &ar->flag)) {
2234 ath6kl_err("deepsleep failed as wmi is not ready\n");
2238 ath6kl_cfg80211_stop_all(ar);
2240 /* Save the current power mode before enabling power save */
2241 ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode;
2243 ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER);
2247 /* Disable WOW mode */
2248 ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx,
2249 ATH6KL_WOW_MODE_DISABLE,
2254 /* Flush all non control pkts in TX path */
2255 ath6kl_tx_data_cleanup(ar);
2257 ret = ath6kl_cfg80211_host_sleep(ar, vif);
2264 static int ath6kl_cfg80211_deepsleep_resume(struct ath6kl *ar)
2266 struct ath6kl_vif *vif;
2269 vif = ath6kl_vif_first(ar);
2274 if (ar->wmi->pwr_mode != ar->wmi->saved_pwr_mode) {
2275 ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0,
2276 ar->wmi->saved_pwr_mode);
2281 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2282 ATH6KL_HOST_MODE_AWAKE);
2286 ar->state = ATH6KL_STATE_ON;
2288 /* Reset scan parameter to default values */
2289 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2290 0, 0, 0, 0, 0, 0, 3, 0, 0, 0);
2297 int ath6kl_cfg80211_suspend(struct ath6kl *ar,
2298 enum ath6kl_cfg_suspend_mode mode,
2299 struct cfg80211_wowlan *wow)
2301 struct ath6kl_vif *vif;
2302 enum ath6kl_state prev_state;
2306 case ATH6KL_CFG_SUSPEND_WOW:
2308 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode suspend\n");
2310 /* Flush all non control pkts in TX path */
2311 ath6kl_tx_data_cleanup(ar);
2313 prev_state = ar->state;
2315 ret = ath6kl_wow_suspend(ar, wow);
2317 ar->state = prev_state;
2321 ar->state = ATH6KL_STATE_WOW;
2324 case ATH6KL_CFG_SUSPEND_DEEPSLEEP:
2326 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep suspend\n");
2328 ret = ath6kl_cfg80211_deepsleep_suspend(ar);
2330 ath6kl_err("deepsleep suspend failed: %d\n", ret);
2334 ar->state = ATH6KL_STATE_DEEPSLEEP;
2338 case ATH6KL_CFG_SUSPEND_CUTPOWER:
2340 ath6kl_cfg80211_stop_all(ar);
2342 if (ar->state == ATH6KL_STATE_OFF) {
2343 ath6kl_dbg(ATH6KL_DBG_SUSPEND,
2344 "suspend hw off, no action for cutpower\n");
2348 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "suspend cutting power\n");
2350 ret = ath6kl_init_hw_stop(ar);
2352 ath6kl_warn("failed to stop hw during suspend: %d\n",
2356 ar->state = ATH6KL_STATE_CUTPOWER;
2360 case ATH6KL_CFG_SUSPEND_SCHED_SCAN:
2362 * Nothing needed for schedule scan, firmware is already in
2363 * wow mode and sleeping most of the time.
2371 list_for_each_entry(vif, &ar->vif_list, list)
2372 ath6kl_cfg80211_scan_complete_event(vif, true);
2376 EXPORT_SYMBOL(ath6kl_cfg80211_suspend);
2378 int ath6kl_cfg80211_resume(struct ath6kl *ar)
2382 switch (ar->state) {
2383 case ATH6KL_STATE_WOW:
2384 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode resume\n");
2386 ret = ath6kl_wow_resume(ar);
2388 ath6kl_warn("wow mode resume failed: %d\n", ret);
2394 case ATH6KL_STATE_DEEPSLEEP:
2395 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep resume\n");
2397 ret = ath6kl_cfg80211_deepsleep_resume(ar);
2399 ath6kl_warn("deep sleep resume failed: %d\n", ret);
2404 case ATH6KL_STATE_CUTPOWER:
2405 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "resume restoring power\n");
2407 ret = ath6kl_init_hw_start(ar);
2409 ath6kl_warn("Failed to boot hw in resume: %d\n", ret);
2414 case ATH6KL_STATE_SCHED_SCAN:
2423 EXPORT_SYMBOL(ath6kl_cfg80211_resume);
2427 /* hif layer decides what suspend mode to use */
2428 static int __ath6kl_cfg80211_suspend(struct wiphy *wiphy,
2429 struct cfg80211_wowlan *wow)
2431 struct ath6kl *ar = wiphy_priv(wiphy);
2433 return ath6kl_hif_suspend(ar, wow);
2436 static int __ath6kl_cfg80211_resume(struct wiphy *wiphy)
2438 struct ath6kl *ar = wiphy_priv(wiphy);
2440 return ath6kl_hif_resume(ar);
2444 * FIXME: WOW suspend mode is selected if the host sdio controller supports
2445 * both sdio irq wake up and keep power. The target pulls sdio data line to
2446 * wake up the host when WOW pattern matches. This causes sdio irq handler
2447 * is being called in the host side which internally hits ath6kl's RX path.
2449 * Since sdio interrupt is not disabled, RX path executes even before
2450 * the host executes the actual resume operation from PM module.
2452 * In the current scenario, WOW resume should happen before start processing
2453 * any data from the target. So It's required to perform WOW resume in RX path.
2454 * Ideally we should perform WOW resume only in the actual platform
2455 * resume path. This area needs bit rework to avoid WOW resume in RX path.
2457 * ath6kl_check_wow_status() is called from ath6kl_rx().
2459 void ath6kl_check_wow_status(struct ath6kl *ar)
2461 if (ar->state == ATH6KL_STATE_SUSPENDING)
2464 if (ar->state == ATH6KL_STATE_WOW)
2465 ath6kl_cfg80211_resume(ar);
2470 void ath6kl_check_wow_status(struct ath6kl *ar)
2475 static int ath6kl_set_htcap(struct ath6kl_vif *vif, enum ieee80211_band band,
2478 struct ath6kl_htcap *htcap = &vif->htcap;
2480 if (htcap->ht_enable == ht_enable)
2484 /* Set default ht capabilities */
2485 htcap->ht_enable = true;
2486 htcap->cap_info = (band == IEEE80211_BAND_2GHZ) ?
2487 ath6kl_g_htcap : ath6kl_a_htcap;
2488 htcap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K;
2489 } else /* Disable ht */
2490 memset(htcap, 0, sizeof(*htcap));
2492 return ath6kl_wmi_set_htcap_cmd(vif->ar->wmi, vif->fw_vif_idx,
2496 static int ath6kl_restore_htcap(struct ath6kl_vif *vif)
2498 struct wiphy *wiphy = vif->ar->wiphy;
2501 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2502 if (!wiphy->bands[band])
2505 ret = ath6kl_set_htcap(vif, band,
2506 wiphy->bands[band]->ht_cap.ht_supported);
2514 static bool ath6kl_is_p2p_ie(const u8 *pos)
2516 return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 &&
2517 pos[2] == 0x50 && pos[3] == 0x6f &&
2518 pos[4] == 0x9a && pos[5] == 0x09;
2521 static int ath6kl_set_ap_probe_resp_ies(struct ath6kl_vif *vif,
2522 const u8 *ies, size_t ies_len)
2524 struct ath6kl *ar = vif->ar;
2531 * Filter out P2P IE(s) since they will be included depending on
2532 * the Probe Request frame in ath6kl_send_go_probe_resp().
2535 if (ies && ies_len) {
2536 buf = kmalloc(ies_len, GFP_KERNEL);
2540 while (pos + 1 < ies + ies_len) {
2541 if (pos + 2 + pos[1] > ies + ies_len)
2543 if (!ath6kl_is_p2p_ie(pos)) {
2544 memcpy(buf + len, pos, 2 + pos[1]);
2551 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2552 WMI_FRAME_PROBE_RESP, buf, len);
2557 static int ath6kl_set_ies(struct ath6kl_vif *vif,
2558 struct cfg80211_beacon_data *info)
2560 struct ath6kl *ar = vif->ar;
2563 /* this also clears IE in fw if it's not set */
2564 res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2567 info->beacon_ies_len);
2571 /* this also clears IE in fw if it's not set */
2572 res = ath6kl_set_ap_probe_resp_ies(vif, info->proberesp_ies,
2573 info->proberesp_ies_len);
2577 /* this also clears IE in fw if it's not set */
2578 res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2579 WMI_FRAME_ASSOC_RESP,
2580 info->assocresp_ies,
2581 info->assocresp_ies_len);
2588 static int ath6kl_get_rsn_capab(struct cfg80211_beacon_data *beacon,
2598 rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, beacon->tail, beacon->tail_len);
2602 rsn_ie_len = *(rsn_ie + 1);
2603 /* skip element id and length */
2612 /* skip group cipher suite */
2618 /* skip pairwise cipher suite */
2621 cnt = get_unaligned_le16(rsn_ie);
2622 rsn_ie += (2 + cnt * 4);
2623 rsn_ie_len -= (2 + cnt * 4);
2625 /* skip akm suite */
2628 cnt = get_unaligned_le16(rsn_ie);
2629 rsn_ie += (2 + cnt * 4);
2630 rsn_ie_len -= (2 + cnt * 4);
2635 memcpy(rsn_capab, rsn_ie, 2);
2640 static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev,
2641 struct cfg80211_ap_settings *info)
2643 struct ath6kl *ar = ath6kl_priv(dev);
2644 struct ath6kl_vif *vif = netdev_priv(dev);
2645 struct ieee80211_mgmt *mgmt;
2646 bool hidden = false;
2649 struct wmi_connect_cmd p;
2654 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s:\n", __func__);
2656 if (!ath6kl_cfg80211_ready(vif))
2659 if (vif->next_mode != AP_NETWORK)
2662 res = ath6kl_set_ies(vif, &info->beacon);
2664 ar->ap_mode_bkey.valid = false;
2671 if (info->beacon.head == NULL)
2673 mgmt = (struct ieee80211_mgmt *) info->beacon.head;
2674 ies = mgmt->u.beacon.variable;
2675 if (ies > info->beacon.head + info->beacon.head_len)
2677 ies_len = info->beacon.head + info->beacon.head_len - ies;
2679 if (info->ssid == NULL)
2681 memcpy(vif->ssid, info->ssid, info->ssid_len);
2682 vif->ssid_len = info->ssid_len;
2683 if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE)
2686 res = ath6kl_wmi_ap_hidden_ssid(ar->wmi, vif->fw_vif_idx, hidden);
2690 ret = ath6kl_set_auth_type(vif, info->auth_type);
2694 memset(&p, 0, sizeof(p));
2696 for (i = 0; i < info->crypto.n_akm_suites; i++) {
2697 switch (info->crypto.akm_suites[i]) {
2698 case WLAN_AKM_SUITE_8021X:
2699 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1)
2700 p.auth_mode |= WPA_AUTH;
2701 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2)
2702 p.auth_mode |= WPA2_AUTH;
2704 case WLAN_AKM_SUITE_PSK:
2705 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1)
2706 p.auth_mode |= WPA_PSK_AUTH;
2707 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2)
2708 p.auth_mode |= WPA2_PSK_AUTH;
2712 if (p.auth_mode == 0)
2713 p.auth_mode = NONE_AUTH;
2714 vif->auth_mode = p.auth_mode;
2716 for (i = 0; i < info->crypto.n_ciphers_pairwise; i++) {
2717 switch (info->crypto.ciphers_pairwise[i]) {
2718 case WLAN_CIPHER_SUITE_WEP40:
2719 case WLAN_CIPHER_SUITE_WEP104:
2720 p.prwise_crypto_type |= WEP_CRYPT;
2722 case WLAN_CIPHER_SUITE_TKIP:
2723 p.prwise_crypto_type |= TKIP_CRYPT;
2725 case WLAN_CIPHER_SUITE_CCMP:
2726 p.prwise_crypto_type |= AES_CRYPT;
2728 case WLAN_CIPHER_SUITE_SMS4:
2729 p.prwise_crypto_type |= WAPI_CRYPT;
2733 if (p.prwise_crypto_type == 0) {
2734 p.prwise_crypto_type = NONE_CRYPT;
2735 ath6kl_set_cipher(vif, 0, true);
2736 } else if (info->crypto.n_ciphers_pairwise == 1)
2737 ath6kl_set_cipher(vif, info->crypto.ciphers_pairwise[0], true);
2739 switch (info->crypto.cipher_group) {
2740 case WLAN_CIPHER_SUITE_WEP40:
2741 case WLAN_CIPHER_SUITE_WEP104:
2742 p.grp_crypto_type = WEP_CRYPT;
2744 case WLAN_CIPHER_SUITE_TKIP:
2745 p.grp_crypto_type = TKIP_CRYPT;
2747 case WLAN_CIPHER_SUITE_CCMP:
2748 p.grp_crypto_type = AES_CRYPT;
2750 case WLAN_CIPHER_SUITE_SMS4:
2751 p.grp_crypto_type = WAPI_CRYPT;
2754 p.grp_crypto_type = NONE_CRYPT;
2757 ath6kl_set_cipher(vif, info->crypto.cipher_group, false);
2759 p.nw_type = AP_NETWORK;
2760 vif->nw_type = vif->next_mode;
2762 p.ssid_len = vif->ssid_len;
2763 memcpy(p.ssid, vif->ssid, vif->ssid_len);
2764 p.dot11_auth_mode = vif->dot11_auth_mode;
2765 p.ch = cpu_to_le16(info->channel->center_freq);
2767 /* Enable uAPSD support by default */
2768 res = ath6kl_wmi_ap_set_apsd(ar->wmi, vif->fw_vif_idx, true);
2772 if (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) {
2773 p.nw_subtype = SUBTYPE_P2PGO;
2776 * Due to firmware limitation, it is not possible to
2777 * do P2P mgmt operations in AP mode
2779 p.nw_subtype = SUBTYPE_NONE;
2782 if (info->inactivity_timeout) {
2783 res = ath6kl_wmi_set_inact_period(ar->wmi, vif->fw_vif_idx,
2784 info->inactivity_timeout);
2789 if (ath6kl_set_htcap(vif, info->channel->band,
2790 info->channel_type != NL80211_CHAN_NO_HT))
2794 * Get the PTKSA replay counter in the RSN IE. Supplicant
2795 * will use the RSN IE in M3 message and firmware has to
2796 * advertise the same in beacon/probe response. Send
2797 * the complete RSN IE capability field to firmware
2799 if (!ath6kl_get_rsn_capab(&info->beacon, (u8 *) &rsn_capab) &&
2800 test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE,
2801 ar->fw_capabilities)) {
2802 res = ath6kl_wmi_set_ie_cmd(ar->wmi, vif->fw_vif_idx,
2803 WLAN_EID_RSN, WMI_RSN_IE_CAPB,
2804 (const u8 *) &rsn_capab,
2810 memcpy(&vif->profile, &p, sizeof(p));
2811 res = ath6kl_wmi_ap_profile_commit(ar->wmi, vif->fw_vif_idx, &p);
2818 static int ath6kl_change_beacon(struct wiphy *wiphy, struct net_device *dev,
2819 struct cfg80211_beacon_data *beacon)
2821 struct ath6kl_vif *vif = netdev_priv(dev);
2823 if (!ath6kl_cfg80211_ready(vif))
2826 if (vif->next_mode != AP_NETWORK)
2829 return ath6kl_set_ies(vif, beacon);
2832 static int ath6kl_stop_ap(struct wiphy *wiphy, struct net_device *dev)
2834 struct ath6kl *ar = ath6kl_priv(dev);
2835 struct ath6kl_vif *vif = netdev_priv(dev);
2837 if (vif->nw_type != AP_NETWORK)
2839 if (!test_bit(CONNECTED, &vif->flags))
2842 ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx);
2843 clear_bit(CONNECTED, &vif->flags);
2845 /* Restore ht setting in firmware */
2846 return ath6kl_restore_htcap(vif);
2849 static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
2851 static int ath6kl_del_station(struct wiphy *wiphy, struct net_device *dev,
2854 struct ath6kl *ar = ath6kl_priv(dev);
2855 struct ath6kl_vif *vif = netdev_priv(dev);
2856 const u8 *addr = mac ? mac : bcast_addr;
2858 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, WMI_AP_DEAUTH,
2859 addr, WLAN_REASON_PREV_AUTH_NOT_VALID);
2862 static int ath6kl_change_station(struct wiphy *wiphy, struct net_device *dev,
2863 u8 *mac, struct station_parameters *params)
2865 struct ath6kl *ar = ath6kl_priv(dev);
2866 struct ath6kl_vif *vif = netdev_priv(dev);
2868 if (vif->nw_type != AP_NETWORK)
2871 /* Use this only for authorizing/unauthorizing a station */
2872 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
2875 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED))
2876 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx,
2877 WMI_AP_MLME_AUTHORIZE, mac, 0);
2878 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx,
2879 WMI_AP_MLME_UNAUTHORIZE, mac, 0);
2882 static int ath6kl_remain_on_channel(struct wiphy *wiphy,
2883 struct net_device *dev,
2884 struct ieee80211_channel *chan,
2885 enum nl80211_channel_type channel_type,
2886 unsigned int duration,
2889 struct ath6kl *ar = ath6kl_priv(dev);
2890 struct ath6kl_vif *vif = netdev_priv(dev);
2893 /* TODO: if already pending or ongoing remain-on-channel,
2895 id = ++vif->last_roc_id;
2897 /* Do not use 0 as the cookie value */
2898 id = ++vif->last_roc_id;
2902 return ath6kl_wmi_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx,
2903 chan->center_freq, duration);
2906 static int ath6kl_cancel_remain_on_channel(struct wiphy *wiphy,
2907 struct net_device *dev,
2910 struct ath6kl *ar = ath6kl_priv(dev);
2911 struct ath6kl_vif *vif = netdev_priv(dev);
2913 if (cookie != vif->last_roc_id)
2915 vif->last_cancel_roc_id = cookie;
2917 return ath6kl_wmi_cancel_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx);
2920 static int ath6kl_send_go_probe_resp(struct ath6kl_vif *vif,
2921 const u8 *buf, size_t len,
2924 struct ath6kl *ar = vif->ar;
2929 const struct ieee80211_mgmt *mgmt;
2931 mgmt = (const struct ieee80211_mgmt *) buf;
2933 /* Include P2P IE(s) from the frame generated in user space. */
2935 p2p = kmalloc(len, GFP_KERNEL);
2940 pos = mgmt->u.probe_resp.variable;
2941 while (pos + 1 < buf + len) {
2942 if (pos + 2 + pos[1] > buf + len)
2944 if (ath6kl_is_p2p_ie(pos)) {
2945 memcpy(p2p + p2p_len, pos, 2 + pos[1]);
2946 p2p_len += 2 + pos[1];
2951 ret = ath6kl_wmi_send_probe_response_cmd(ar->wmi, vif->fw_vif_idx, freq,
2952 mgmt->da, p2p, p2p_len);
2957 static bool ath6kl_mgmt_powersave_ap(struct ath6kl_vif *vif,
2966 struct ieee80211_mgmt *mgmt;
2967 struct ath6kl_sta *conn;
2968 bool is_psq_empty = false;
2969 struct ath6kl_mgmt_buff *mgmt_buf;
2970 size_t mgmt_buf_size;
2971 struct ath6kl *ar = vif->ar;
2973 mgmt = (struct ieee80211_mgmt *) buf;
2974 if (is_multicast_ether_addr(mgmt->da))
2977 conn = ath6kl_find_sta(vif, mgmt->da);
2981 if (conn->sta_flags & STA_PS_SLEEP) {
2982 if (!(conn->sta_flags & STA_PS_POLLED)) {
2983 /* Queue the frames if the STA is sleeping */
2984 mgmt_buf_size = len + sizeof(struct ath6kl_mgmt_buff);
2985 mgmt_buf = kmalloc(mgmt_buf_size, GFP_KERNEL);
2989 INIT_LIST_HEAD(&mgmt_buf->list);
2991 mgmt_buf->freq = freq;
2992 mgmt_buf->wait = wait;
2993 mgmt_buf->len = len;
2994 mgmt_buf->no_cck = no_cck;
2995 memcpy(mgmt_buf->buf, buf, len);
2996 spin_lock_bh(&conn->psq_lock);
2997 is_psq_empty = skb_queue_empty(&conn->psq) &&
2998 (conn->mgmt_psq_len == 0);
2999 list_add_tail(&mgmt_buf->list, &conn->mgmt_psq);
3000 conn->mgmt_psq_len++;
3001 spin_unlock_bh(&conn->psq_lock);
3004 * If this is the first pkt getting queued
3005 * for this STA, update the PVB for this
3009 ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx,
3015 * This tx is because of a PsPoll.
3016 * Determine if MoreData bit has to be set.
3018 spin_lock_bh(&conn->psq_lock);
3019 if (!skb_queue_empty(&conn->psq) || (conn->mgmt_psq_len != 0))
3021 spin_unlock_bh(&conn->psq_lock);
3027 /* Check if SSID length is greater than DIRECT- */
3028 static bool ath6kl_is_p2p_go_ssid(const u8 *buf, size_t len)
3030 const struct ieee80211_mgmt *mgmt;
3031 mgmt = (const struct ieee80211_mgmt *) buf;
3033 /* variable[1] contains the SSID tag length */
3034 if (buf + len >= &mgmt->u.probe_resp.variable[1] &&
3035 (mgmt->u.probe_resp.variable[1] > P2P_WILDCARD_SSID_LEN)) {
3042 static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
3043 struct ieee80211_channel *chan, bool offchan,
3044 enum nl80211_channel_type channel_type,
3045 bool channel_type_valid, unsigned int wait,
3046 const u8 *buf, size_t len, bool no_cck,
3047 bool dont_wait_for_ack, u64 *cookie)
3049 struct ath6kl *ar = ath6kl_priv(dev);
3050 struct ath6kl_vif *vif = netdev_priv(dev);
3052 const struct ieee80211_mgmt *mgmt;
3053 bool more_data, queued;
3055 mgmt = (const struct ieee80211_mgmt *) buf;
3056 if (vif->nw_type == AP_NETWORK && test_bit(CONNECTED, &vif->flags) &&
3057 ieee80211_is_probe_resp(mgmt->frame_control) &&
3058 ath6kl_is_p2p_go_ssid(buf, len)) {
3060 * Send Probe Response frame in GO mode using a separate WMI
3061 * command to allow the target to fill in the generic IEs.
3063 *cookie = 0; /* TX status not supported */
3064 return ath6kl_send_go_probe_resp(vif, buf, len,
3068 id = vif->send_action_id++;
3071 * 0 is a reserved value in the WMI command and shall not be
3072 * used for the command.
3074 id = vif->send_action_id++;
3079 /* AP mode Power saving processing */
3080 if (vif->nw_type == AP_NETWORK) {
3081 queued = ath6kl_mgmt_powersave_ap(vif,
3082 id, chan->center_freq,
3084 len, &more_data, no_cck);
3089 return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id,
3090 chan->center_freq, wait,
3094 static void ath6kl_mgmt_frame_register(struct wiphy *wiphy,
3095 struct net_device *dev,
3096 u16 frame_type, bool reg)
3098 struct ath6kl_vif *vif = netdev_priv(dev);
3100 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: frame_type=0x%x reg=%d\n",
3101 __func__, frame_type, reg);
3102 if (frame_type == IEEE80211_STYPE_PROBE_REQ) {
3104 * Note: This notification callback is not allowed to sleep, so
3105 * we cannot send WMI_PROBE_REQ_REPORT_CMD here. Instead, we
3106 * hardcode target to report Probe Request frames all the time.
3108 vif->probe_req_report = reg;
3112 static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy,
3113 struct net_device *dev,
3114 struct cfg80211_sched_scan_request *request)
3116 struct ath6kl *ar = ath6kl_priv(dev);
3117 struct ath6kl_vif *vif = netdev_priv(dev);
3121 if (ar->state != ATH6KL_STATE_ON)
3124 if (vif->sme_state != SME_DISCONNECTED)
3127 /* The FW currently can't support multi-vif WoW properly. */
3128 if (ar->num_vif > 1)
3131 ath6kl_cfg80211_scan_complete_event(vif, true);
3133 ret = ath6kl_set_probed_ssids(ar, vif, request->ssids,
3138 /* fw uses seconds, also make sure that it's >0 */
3139 interval = max_t(u16, 1, request->interval / 1000);
3141 ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
3143 vif->bg_scan_period, 0, 0, 0, 3, 0, 0, 0);
3145 ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx,
3146 ATH6KL_WOW_MODE_ENABLE,
3148 WOW_HOST_REQ_DELAY);
3150 ath6kl_warn("Failed to enable wow with ssid filter: %d\n", ret);
3154 /* this also clears IE in fw if it's not set */
3155 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
3156 WMI_FRAME_PROBE_REQ,
3157 request->ie, request->ie_len);
3159 ath6kl_warn("Failed to set probe request IE for scheduled scan: %d",
3164 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
3165 ATH6KL_HOST_MODE_ASLEEP);
3167 ath6kl_warn("Failed to enable host sleep mode for sched scan: %d\n",
3172 ar->state = ATH6KL_STATE_SCHED_SCAN;
3177 static int ath6kl_cfg80211_sscan_stop(struct wiphy *wiphy,
3178 struct net_device *dev)
3180 struct ath6kl_vif *vif = netdev_priv(dev);
3183 stopped = __ath6kl_cfg80211_sscan_stop(vif);
3191 static const struct ieee80211_txrx_stypes
3192 ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = {
3193 [NL80211_IFTYPE_STATION] = {
3194 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3195 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3196 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3197 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3199 [NL80211_IFTYPE_AP] = {
3200 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3201 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3202 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3203 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3205 [NL80211_IFTYPE_P2P_CLIENT] = {
3206 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3207 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3208 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3209 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3211 [NL80211_IFTYPE_P2P_GO] = {
3212 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3213 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3214 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3215 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3219 static struct cfg80211_ops ath6kl_cfg80211_ops = {
3220 .add_virtual_intf = ath6kl_cfg80211_add_iface,
3221 .del_virtual_intf = ath6kl_cfg80211_del_iface,
3222 .change_virtual_intf = ath6kl_cfg80211_change_iface,
3223 .scan = ath6kl_cfg80211_scan,
3224 .connect = ath6kl_cfg80211_connect,
3225 .disconnect = ath6kl_cfg80211_disconnect,
3226 .add_key = ath6kl_cfg80211_add_key,
3227 .get_key = ath6kl_cfg80211_get_key,
3228 .del_key = ath6kl_cfg80211_del_key,
3229 .set_default_key = ath6kl_cfg80211_set_default_key,
3230 .set_wiphy_params = ath6kl_cfg80211_set_wiphy_params,
3231 .set_tx_power = ath6kl_cfg80211_set_txpower,
3232 .get_tx_power = ath6kl_cfg80211_get_txpower,
3233 .set_power_mgmt = ath6kl_cfg80211_set_power_mgmt,
3234 .join_ibss = ath6kl_cfg80211_join_ibss,
3235 .leave_ibss = ath6kl_cfg80211_leave_ibss,
3236 .get_station = ath6kl_get_station,
3237 .set_pmksa = ath6kl_set_pmksa,
3238 .del_pmksa = ath6kl_del_pmksa,
3239 .flush_pmksa = ath6kl_flush_pmksa,
3240 CFG80211_TESTMODE_CMD(ath6kl_tm_cmd)
3242 .suspend = __ath6kl_cfg80211_suspend,
3243 .resume = __ath6kl_cfg80211_resume,
3245 .start_ap = ath6kl_start_ap,
3246 .change_beacon = ath6kl_change_beacon,
3247 .stop_ap = ath6kl_stop_ap,
3248 .del_station = ath6kl_del_station,
3249 .change_station = ath6kl_change_station,
3250 .remain_on_channel = ath6kl_remain_on_channel,
3251 .cancel_remain_on_channel = ath6kl_cancel_remain_on_channel,
3252 .mgmt_tx = ath6kl_mgmt_tx,
3253 .mgmt_frame_register = ath6kl_mgmt_frame_register,
3254 .sched_scan_start = ath6kl_cfg80211_sscan_start,
3255 .sched_scan_stop = ath6kl_cfg80211_sscan_stop,
3258 void ath6kl_cfg80211_stop(struct ath6kl_vif *vif)
3260 ath6kl_cfg80211_sscan_disable(vif);
3262 switch (vif->sme_state) {
3263 case SME_DISCONNECTED:
3265 case SME_CONNECTING:
3266 cfg80211_connect_result(vif->ndev, vif->bssid, NULL, 0,
3268 WLAN_STATUS_UNSPECIFIED_FAILURE,
3272 cfg80211_disconnected(vif->ndev, 0, NULL, 0, GFP_KERNEL);
3276 if (test_bit(CONNECTED, &vif->flags) ||
3277 test_bit(CONNECT_PEND, &vif->flags))
3278 ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx);
3280 vif->sme_state = SME_DISCONNECTED;
3281 clear_bit(CONNECTED, &vif->flags);
3282 clear_bit(CONNECT_PEND, &vif->flags);
3284 /* disable scanning */
3285 if (ath6kl_wmi_scanparams_cmd(vif->ar->wmi, vif->fw_vif_idx, 0xFFFF,
3286 0, 0, 0, 0, 0, 0, 0, 0, 0) != 0)
3287 ath6kl_warn("failed to disable scan during stop\n");
3289 ath6kl_cfg80211_scan_complete_event(vif, true);
3292 void ath6kl_cfg80211_stop_all(struct ath6kl *ar)
3294 struct ath6kl_vif *vif;
3296 vif = ath6kl_vif_first(ar);
3298 /* save the current power mode before enabling power save */
3299 ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode;
3301 if (ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER) != 0)
3302 ath6kl_warn("ath6kl_deep_sleep_enable: wmi_powermode_cmd failed\n");
3307 * FIXME: we should take ar->list_lock to protect changes in the
3308 * vif_list, but that's not trivial to do as ath6kl_cfg80211_stop()
3311 list_for_each_entry(vif, &ar->vif_list, list)
3312 ath6kl_cfg80211_stop(vif);
3315 static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif)
3317 vif->aggr_cntxt = aggr_init(vif);
3318 if (!vif->aggr_cntxt) {
3319 ath6kl_err("failed to initialize aggr\n");
3323 setup_timer(&vif->disconnect_timer, disconnect_timer_handler,
3324 (unsigned long) vif->ndev);
3325 setup_timer(&vif->sched_scan_timer, ath6kl_wmi_sscan_timer,
3326 (unsigned long) vif);
3328 set_bit(WMM_ENABLED, &vif->flags);
3329 spin_lock_init(&vif->if_lock);
3331 INIT_LIST_HEAD(&vif->mc_filter);
3336 void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif *vif)
3338 struct ath6kl *ar = vif->ar;
3339 struct ath6kl_mc_filter *mc_filter, *tmp;
3341 aggr_module_destroy(vif->aggr_cntxt);
3343 ar->avail_idx_map |= BIT(vif->fw_vif_idx);
3345 if (vif->nw_type == ADHOC_NETWORK)
3346 ar->ibss_if_active = false;
3348 list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) {
3349 list_del(&mc_filter->list);
3353 unregister_netdevice(vif->ndev);
3358 struct net_device *ath6kl_interface_add(struct ath6kl *ar, char *name,
3359 enum nl80211_iftype type, u8 fw_vif_idx,
3362 struct net_device *ndev;
3363 struct ath6kl_vif *vif;
3365 ndev = alloc_netdev(sizeof(*vif), name, ether_setup);
3369 vif = netdev_priv(ndev);
3370 ndev->ieee80211_ptr = &vif->wdev;
3371 vif->wdev.wiphy = ar->wiphy;
3374 SET_NETDEV_DEV(ndev, wiphy_dev(vif->wdev.wiphy));
3375 vif->wdev.netdev = ndev;
3376 vif->wdev.iftype = type;
3377 vif->fw_vif_idx = fw_vif_idx;
3378 vif->nw_type = nw_type;
3379 vif->next_mode = nw_type;
3380 vif->listen_intvl_t = ATH6KL_DEFAULT_LISTEN_INTVAL;
3381 vif->bmiss_time_t = ATH6KL_DEFAULT_BMISS_TIME;
3382 vif->bg_scan_period = 0;
3383 vif->htcap.ht_enable = true;
3385 memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN);
3386 if (fw_vif_idx != 0)
3387 ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << fw_vif_idx)) |
3392 ath6kl_init_control_info(vif);
3394 if (ath6kl_cfg80211_vif_init(vif))
3397 if (register_netdevice(ndev))
3400 ar->avail_idx_map &= ~BIT(fw_vif_idx);
3401 vif->sme_state = SME_DISCONNECTED;
3402 set_bit(WLAN_ENABLED, &vif->flags);
3403 ar->wlan_pwr_state = WLAN_POWER_STATE_ON;
3404 set_bit(NETDEV_REGISTERED, &vif->flags);
3406 if (type == NL80211_IFTYPE_ADHOC)
3407 ar->ibss_if_active = true;
3409 spin_lock_bh(&ar->list_lock);
3410 list_add_tail(&vif->list, &ar->vif_list);
3411 spin_unlock_bh(&ar->list_lock);
3416 aggr_module_destroy(vif->aggr_cntxt);
3421 int ath6kl_cfg80211_init(struct ath6kl *ar)
3423 struct wiphy *wiphy = ar->wiphy;
3424 bool band_2gig = false, band_5gig = false, ht = false;
3427 wiphy->mgmt_stypes = ath6kl_mgmt_stypes;
3429 wiphy->max_remain_on_channel_duration = 5000;
3431 /* set device pointer for wiphy */
3432 set_wiphy_dev(wiphy, ar->dev);
3434 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
3435 BIT(NL80211_IFTYPE_ADHOC) |
3436 BIT(NL80211_IFTYPE_AP);
3438 wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) |
3439 BIT(NL80211_IFTYPE_P2P_CLIENT);
3442 /* max num of ssids that can be probed during scanning */
3443 wiphy->max_scan_ssids = MAX_PROBED_SSID_INDEX;
3444 wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */
3445 switch (ar->hw.cap) {
3463 ath6kl_err("invalid phy capability!\n");
3468 * Even if the fw has HT support, advertise HT cap only when
3469 * the firmware has support to override RSN capability, otherwise
3470 * 4-way handshake would fail.
3473 test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE,
3474 ar->fw_capabilities))) {
3475 ath6kl_band_2ghz.ht_cap.cap = 0;
3476 ath6kl_band_2ghz.ht_cap.ht_supported = false;
3477 ath6kl_band_5ghz.ht_cap.cap = 0;
3478 ath6kl_band_5ghz.ht_cap.ht_supported = false;
3481 wiphy->bands[IEEE80211_BAND_2GHZ] = &ath6kl_band_2ghz;
3483 wiphy->bands[IEEE80211_BAND_5GHZ] = &ath6kl_band_5ghz;
3485 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
3487 wiphy->cipher_suites = cipher_suites;
3488 wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
3490 wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT |
3491 WIPHY_WOWLAN_DISCONNECT |
3492 WIPHY_WOWLAN_GTK_REKEY_FAILURE |
3493 WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
3494 WIPHY_WOWLAN_EAP_IDENTITY_REQ |
3495 WIPHY_WOWLAN_4WAY_HANDSHAKE;
3496 wiphy->wowlan.n_patterns = WOW_MAX_FILTERS_PER_LIST;
3497 wiphy->wowlan.pattern_min_len = 1;
3498 wiphy->wowlan.pattern_max_len = WOW_PATTERN_SIZE;
3500 wiphy->max_sched_scan_ssids = MAX_PROBED_SSID_INDEX;
3502 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM |
3503 WIPHY_FLAG_HAVE_AP_SME |
3504 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
3505 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
3507 if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN, ar->fw_capabilities))
3508 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
3510 if (test_bit(ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT,
3511 ar->fw_capabilities))
3512 ar->wiphy->features = NL80211_FEATURE_INACTIVITY_TIMER;
3514 ar->wiphy->probe_resp_offload =
3515 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
3516 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
3517 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
3519 ret = wiphy_register(wiphy);
3521 ath6kl_err("couldn't register wiphy device\n");
3525 ar->wiphy_registered = true;
3530 void ath6kl_cfg80211_cleanup(struct ath6kl *ar)
3532 wiphy_unregister(ar->wiphy);
3534 ar->wiphy_registered = false;
3537 struct ath6kl *ath6kl_cfg80211_create(void)
3540 struct wiphy *wiphy;
3542 /* create a new wiphy for use with cfg80211 */
3543 wiphy = wiphy_new(&ath6kl_cfg80211_ops, sizeof(struct ath6kl));
3546 ath6kl_err("couldn't allocate wiphy device\n");
3550 ar = wiphy_priv(wiphy);
3556 /* Note: ar variable must not be accessed after calling this! */
3557 void ath6kl_cfg80211_destroy(struct ath6kl *ar)
3561 for (i = 0; i < AP_MAX_NUM_STA; i++)
3562 kfree(ar->sta_list[i].aggr_conn);
3564 wiphy_free(ar->wiphy);