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(
929 ar->wmi, vif->fw_vif_idx,
930 (test_bit(CONNECTED, &vif->flags) ?
931 ALL_BUT_BSS_FILTER : ALL_BSS_FILTER), 0);
933 ath6kl_err("couldn't set bss filtering\n");
938 ret = ath6kl_set_probed_ssids(ar, vif, request->ssids,
943 /* this also clears IE in fw if it's not set */
944 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
946 request->ie, request->ie_len);
948 ath6kl_err("failed to set Probe Request appie for scan");
953 * Scan only the requested channels if the request specifies a set of
954 * channels. If the list is longer than the target supports, do not
955 * configure the list and instead, scan all available channels.
957 if (request->n_channels > 0 &&
958 request->n_channels <= WMI_MAX_CHANNELS) {
961 n_channels = request->n_channels;
963 channels = kzalloc(n_channels * sizeof(u16), GFP_KERNEL);
964 if (channels == NULL) {
965 ath6kl_warn("failed to set scan channels, scan all channels");
969 for (i = 0; i < n_channels; i++)
970 channels[i] = request->channels[i]->center_freq;
973 if (test_bit(CONNECTED, &vif->flags))
976 vif->scan_req = request;
978 if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
979 ar->fw_capabilities)) {
981 * If capable of doing P2P mgmt operations using
982 * station interface, send additional information like
983 * supported rates to advertise and xmit rates for
986 ret = ath6kl_wmi_beginscan_cmd(ar->wmi, vif->fw_vif_idx,
987 WMI_LONG_SCAN, force_fg_scan,
989 ATH6KL_FG_SCAN_INTERVAL,
990 n_channels, channels,
994 ret = ath6kl_wmi_startscan_cmd(ar->wmi, vif->fw_vif_idx,
995 WMI_LONG_SCAN, force_fg_scan,
997 ATH6KL_FG_SCAN_INTERVAL,
998 n_channels, channels);
1001 ath6kl_err("wmi_startscan_cmd failed\n");
1002 vif->scan_req = NULL;
1010 void ath6kl_cfg80211_scan_complete_event(struct ath6kl_vif *vif, bool aborted)
1012 struct ath6kl *ar = vif->ar;
1015 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: status%s\n", __func__,
1016 aborted ? " aborted" : "");
1024 if (vif->scan_req->n_ssids && vif->scan_req->ssids[0].ssid_len) {
1025 for (i = 0; i < vif->scan_req->n_ssids; i++) {
1026 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx,
1027 i + 1, DISABLE_SSID_FLAG,
1033 cfg80211_scan_done(vif->scan_req, aborted);
1034 vif->scan_req = NULL;
1037 void ath6kl_cfg80211_ch_switch_notify(struct ath6kl_vif *vif, int freq,
1038 enum wmi_phy_mode mode)
1040 enum nl80211_channel_type type;
1042 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1043 "channel switch notify nw_type %d freq %d mode %d\n",
1044 vif->nw_type, freq, mode);
1046 type = (mode == WMI_11G_HT20) ? NL80211_CHAN_HT20 : NL80211_CHAN_NO_HT;
1048 cfg80211_ch_switch_notify(vif->ndev, freq, type);
1051 static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
1052 u8 key_index, bool pairwise,
1054 struct key_params *params)
1056 struct ath6kl *ar = ath6kl_priv(ndev);
1057 struct ath6kl_vif *vif = netdev_priv(ndev);
1058 struct ath6kl_key *key = NULL;
1063 if (!ath6kl_cfg80211_ready(vif))
1066 if (params->cipher == CCKM_KRK_CIPHER_SUITE) {
1067 if (params->key_len != WMI_KRK_LEN)
1069 return ath6kl_wmi_add_krk_cmd(ar->wmi, vif->fw_vif_idx,
1073 if (key_index > WMI_MAX_KEY_INDEX) {
1074 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1075 "%s: key index %d out of bounds\n", __func__,
1080 key = &vif->keys[key_index];
1081 memset(key, 0, sizeof(struct ath6kl_key));
1084 key_usage = PAIRWISE_USAGE;
1086 key_usage = GROUP_USAGE;
1088 seq_len = params->seq_len;
1089 if (params->cipher == WLAN_CIPHER_SUITE_SMS4 &&
1090 seq_len > ATH6KL_KEY_SEQ_LEN) {
1091 /* Only first half of the WPI PN is configured */
1092 seq_len = ATH6KL_KEY_SEQ_LEN;
1094 if (params->key_len > WLAN_MAX_KEY_LEN ||
1095 seq_len > sizeof(key->seq))
1098 key->key_len = params->key_len;
1099 memcpy(key->key, params->key, key->key_len);
1100 key->seq_len = seq_len;
1101 memcpy(key->seq, params->seq, key->seq_len);
1102 key->cipher = params->cipher;
1104 switch (key->cipher) {
1105 case WLAN_CIPHER_SUITE_WEP40:
1106 case WLAN_CIPHER_SUITE_WEP104:
1107 key_type = WEP_CRYPT;
1110 case WLAN_CIPHER_SUITE_TKIP:
1111 key_type = TKIP_CRYPT;
1114 case WLAN_CIPHER_SUITE_CCMP:
1115 key_type = AES_CRYPT;
1117 case WLAN_CIPHER_SUITE_SMS4:
1118 key_type = WAPI_CRYPT;
1125 if (((vif->auth_mode == WPA_PSK_AUTH) ||
1126 (vif->auth_mode == WPA2_PSK_AUTH)) &&
1127 (key_usage & GROUP_USAGE))
1128 del_timer(&vif->disconnect_timer);
1130 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1131 "%s: index %d, key_len %d, key_type 0x%x, key_usage 0x%x, seq_len %d\n",
1132 __func__, key_index, key->key_len, key_type,
1133 key_usage, key->seq_len);
1135 if (vif->nw_type == AP_NETWORK && !pairwise &&
1136 (key_type == TKIP_CRYPT || key_type == AES_CRYPT ||
1137 key_type == WAPI_CRYPT)) {
1138 ar->ap_mode_bkey.valid = true;
1139 ar->ap_mode_bkey.key_index = key_index;
1140 ar->ap_mode_bkey.key_type = key_type;
1141 ar->ap_mode_bkey.key_len = key->key_len;
1142 memcpy(ar->ap_mode_bkey.key, key->key, key->key_len);
1143 if (!test_bit(CONNECTED, &vif->flags)) {
1144 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1145 "Delay initial group key configuration until AP mode has been started\n");
1147 * The key will be set in ath6kl_connect_ap_mode() once
1148 * the connected event is received from the target.
1154 if (vif->next_mode == AP_NETWORK && key_type == WEP_CRYPT &&
1155 !test_bit(CONNECTED, &vif->flags)) {
1157 * Store the key locally so that it can be re-configured after
1158 * the AP mode has properly started
1159 * (ath6kl_install_statioc_wep_keys).
1161 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1162 "Delay WEP key configuration until AP mode has been started\n");
1163 vif->wep_key_list[key_index].key_len = key->key_len;
1164 memcpy(vif->wep_key_list[key_index].key, key->key,
1169 return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, key_index,
1170 key_type, key_usage, key->key_len,
1171 key->seq, key->seq_len, key->key,
1173 (u8 *) mac_addr, SYNC_BOTH_WMIFLAG);
1176 static int ath6kl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
1177 u8 key_index, bool pairwise,
1180 struct ath6kl *ar = ath6kl_priv(ndev);
1181 struct ath6kl_vif *vif = netdev_priv(ndev);
1183 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1185 if (!ath6kl_cfg80211_ready(vif))
1188 if (key_index > WMI_MAX_KEY_INDEX) {
1189 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1190 "%s: key index %d out of bounds\n", __func__,
1195 if (!vif->keys[key_index].key_len) {
1196 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1197 "%s: index %d is empty\n", __func__, key_index);
1201 vif->keys[key_index].key_len = 0;
1203 return ath6kl_wmi_deletekey_cmd(ar->wmi, vif->fw_vif_idx, key_index);
1206 static int ath6kl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
1207 u8 key_index, bool pairwise,
1208 const u8 *mac_addr, void *cookie,
1209 void (*callback) (void *cookie,
1210 struct key_params *))
1212 struct ath6kl_vif *vif = netdev_priv(ndev);
1213 struct ath6kl_key *key = NULL;
1214 struct key_params params;
1216 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1218 if (!ath6kl_cfg80211_ready(vif))
1221 if (key_index > WMI_MAX_KEY_INDEX) {
1222 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1223 "%s: key index %d out of bounds\n", __func__,
1228 key = &vif->keys[key_index];
1229 memset(¶ms, 0, sizeof(params));
1230 params.cipher = key->cipher;
1231 params.key_len = key->key_len;
1232 params.seq_len = key->seq_len;
1233 params.seq = key->seq;
1234 params.key = key->key;
1236 callback(cookie, ¶ms);
1238 return key->key_len ? 0 : -ENOENT;
1241 static int ath6kl_cfg80211_set_default_key(struct wiphy *wiphy,
1242 struct net_device *ndev,
1243 u8 key_index, bool unicast,
1246 struct ath6kl *ar = ath6kl_priv(ndev);
1247 struct ath6kl_vif *vif = netdev_priv(ndev);
1248 struct ath6kl_key *key = NULL;
1250 enum crypto_type key_type = NONE_CRYPT;
1252 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1254 if (!ath6kl_cfg80211_ready(vif))
1257 if (key_index > WMI_MAX_KEY_INDEX) {
1258 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1259 "%s: key index %d out of bounds\n",
1260 __func__, key_index);
1264 if (!vif->keys[key_index].key_len) {
1265 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: invalid key index %d\n",
1266 __func__, key_index);
1270 vif->def_txkey_index = key_index;
1271 key = &vif->keys[vif->def_txkey_index];
1272 key_usage = GROUP_USAGE;
1273 if (vif->prwise_crypto == WEP_CRYPT)
1274 key_usage |= TX_USAGE;
1276 key_type = vif->prwise_crypto;
1278 key_type = vif->grp_crypto;
1280 if (vif->next_mode == AP_NETWORK && !test_bit(CONNECTED, &vif->flags))
1281 return 0; /* Delay until AP mode has been started */
1283 return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx,
1284 vif->def_txkey_index,
1285 key_type, key_usage,
1286 key->key_len, key->seq, key->seq_len,
1288 KEY_OP_INIT_VAL, NULL,
1292 void ath6kl_cfg80211_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid,
1295 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1296 "%s: keyid %d, ismcast %d\n", __func__, keyid, ismcast);
1298 cfg80211_michael_mic_failure(vif->ndev, vif->bssid,
1299 (ismcast ? NL80211_KEYTYPE_GROUP :
1300 NL80211_KEYTYPE_PAIRWISE), keyid, NULL,
1304 static int ath6kl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1306 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
1307 struct ath6kl_vif *vif;
1310 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: changed 0x%x\n", __func__,
1313 vif = ath6kl_vif_first(ar);
1317 if (!ath6kl_cfg80211_ready(vif))
1320 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1321 ret = ath6kl_wmi_set_rts_cmd(ar->wmi, wiphy->rts_threshold);
1323 ath6kl_err("ath6kl_wmi_set_rts_cmd failed\n");
1332 * The type nl80211_tx_power_setting replaces the following
1333 * data type from 2.6.36 onwards
1335 static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy,
1336 enum nl80211_tx_power_setting type,
1339 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
1340 struct ath6kl_vif *vif;
1341 int dbm = MBM_TO_DBM(mbm);
1343 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x, dbm %d\n", __func__,
1346 vif = ath6kl_vif_first(ar);
1350 if (!ath6kl_cfg80211_ready(vif))
1354 case NL80211_TX_POWER_AUTOMATIC:
1356 case NL80211_TX_POWER_LIMITED:
1360 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x not supported\n",
1365 ath6kl_wmi_set_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx, dbm);
1370 static int ath6kl_cfg80211_get_txpower(struct wiphy *wiphy, int *dbm)
1372 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
1373 struct ath6kl_vif *vif;
1375 vif = ath6kl_vif_first(ar);
1379 if (!ath6kl_cfg80211_ready(vif))
1382 if (test_bit(CONNECTED, &vif->flags)) {
1385 if (ath6kl_wmi_get_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx) != 0) {
1386 ath6kl_err("ath6kl_wmi_get_tx_pwr_cmd failed\n");
1390 wait_event_interruptible_timeout(ar->event_wq, ar->tx_pwr != 0,
1393 if (signal_pending(current)) {
1394 ath6kl_err("target did not respond\n");
1403 static int ath6kl_cfg80211_set_power_mgmt(struct wiphy *wiphy,
1404 struct net_device *dev,
1405 bool pmgmt, int timeout)
1407 struct ath6kl *ar = ath6kl_priv(dev);
1408 struct wmi_power_mode_cmd mode;
1409 struct ath6kl_vif *vif = netdev_priv(dev);
1411 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: pmgmt %d, timeout %d\n",
1412 __func__, pmgmt, timeout);
1414 if (!ath6kl_cfg80211_ready(vif))
1418 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: max perf\n", __func__);
1419 mode.pwr_mode = REC_POWER;
1421 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: rec power\n", __func__);
1422 mode.pwr_mode = MAX_PERF_POWER;
1425 if (ath6kl_wmi_powermode_cmd(ar->wmi, vif->fw_vif_idx,
1426 mode.pwr_mode) != 0) {
1427 ath6kl_err("wmi_powermode_cmd failed\n");
1434 static struct net_device *ath6kl_cfg80211_add_iface(struct wiphy *wiphy,
1436 enum nl80211_iftype type,
1438 struct vif_params *params)
1440 struct ath6kl *ar = wiphy_priv(wiphy);
1441 struct net_device *ndev;
1444 if (ar->num_vif == ar->vif_max) {
1445 ath6kl_err("Reached maximum number of supported vif\n");
1446 return ERR_PTR(-EINVAL);
1449 if (!ath6kl_is_valid_iftype(ar, type, &if_idx, &nw_type)) {
1450 ath6kl_err("Not a supported interface type\n");
1451 return ERR_PTR(-EINVAL);
1454 ndev = ath6kl_interface_add(ar, name, type, if_idx, nw_type);
1456 return ERR_PTR(-ENOMEM);
1463 static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy,
1464 struct net_device *ndev)
1466 struct ath6kl *ar = wiphy_priv(wiphy);
1467 struct ath6kl_vif *vif = netdev_priv(ndev);
1469 spin_lock_bh(&ar->list_lock);
1470 list_del(&vif->list);
1471 spin_unlock_bh(&ar->list_lock);
1473 ath6kl_cleanup_vif(vif, test_bit(WMI_READY, &ar->flag));
1475 ath6kl_cfg80211_vif_cleanup(vif);
1480 static int ath6kl_cfg80211_change_iface(struct wiphy *wiphy,
1481 struct net_device *ndev,
1482 enum nl80211_iftype type, u32 *flags,
1483 struct vif_params *params)
1485 struct ath6kl_vif *vif = netdev_priv(ndev);
1488 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type %u\n", __func__, type);
1491 * Don't bring up p2p on an interface which is not initialized
1492 * for p2p operation where fw does not have capability to switch
1493 * dynamically between non-p2p and p2p type interface.
1495 if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
1496 vif->ar->fw_capabilities) &&
1497 (type == NL80211_IFTYPE_P2P_CLIENT ||
1498 type == NL80211_IFTYPE_P2P_GO)) {
1499 if (vif->ar->vif_max == 1) {
1500 if (vif->fw_vif_idx != 0)
1503 goto set_iface_type;
1506 for (i = vif->ar->max_norm_iface; i < vif->ar->vif_max; i++) {
1507 if (i == vif->fw_vif_idx)
1511 if (i == vif->ar->vif_max) {
1512 ath6kl_err("Invalid interface to bring up P2P\n");
1519 case NL80211_IFTYPE_STATION:
1520 vif->next_mode = INFRA_NETWORK;
1522 case NL80211_IFTYPE_ADHOC:
1523 vif->next_mode = ADHOC_NETWORK;
1525 case NL80211_IFTYPE_AP:
1526 vif->next_mode = AP_NETWORK;
1528 case NL80211_IFTYPE_P2P_CLIENT:
1529 vif->next_mode = INFRA_NETWORK;
1531 case NL80211_IFTYPE_P2P_GO:
1532 vif->next_mode = AP_NETWORK;
1535 ath6kl_err("invalid interface type %u\n", type);
1539 vif->wdev.iftype = type;
1544 static int ath6kl_cfg80211_join_ibss(struct wiphy *wiphy,
1545 struct net_device *dev,
1546 struct cfg80211_ibss_params *ibss_param)
1548 struct ath6kl *ar = ath6kl_priv(dev);
1549 struct ath6kl_vif *vif = netdev_priv(dev);
1552 if (!ath6kl_cfg80211_ready(vif))
1555 vif->ssid_len = ibss_param->ssid_len;
1556 memcpy(vif->ssid, ibss_param->ssid, vif->ssid_len);
1558 if (ibss_param->channel)
1559 vif->ch_hint = ibss_param->channel->center_freq;
1561 if (ibss_param->channel_fixed) {
1563 * TODO: channel_fixed: The channel should be fixed, do not
1564 * search for IBSSs to join on other channels. Target
1565 * firmware does not support this feature, needs to be
1571 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
1572 if (ibss_param->bssid && !is_broadcast_ether_addr(ibss_param->bssid))
1573 memcpy(vif->req_bssid, ibss_param->bssid,
1574 sizeof(vif->req_bssid));
1576 ath6kl_set_wpa_version(vif, 0);
1578 status = ath6kl_set_auth_type(vif, NL80211_AUTHTYPE_OPEN_SYSTEM);
1582 if (ibss_param->privacy) {
1583 ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, true);
1584 ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, false);
1586 ath6kl_set_cipher(vif, 0, true);
1587 ath6kl_set_cipher(vif, 0, false);
1590 vif->nw_type = vif->next_mode;
1592 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1593 "%s: connect called with authmode %d dot11 auth %d"
1594 " PW crypto %d PW crypto len %d GRP crypto %d"
1595 " GRP crypto len %d channel hint %u\n",
1597 vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto,
1598 vif->prwise_crypto_len, vif->grp_crypto,
1599 vif->grp_crypto_len, vif->ch_hint);
1601 status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type,
1602 vif->dot11_auth_mode, vif->auth_mode,
1604 vif->prwise_crypto_len,
1605 vif->grp_crypto, vif->grp_crypto_len,
1606 vif->ssid_len, vif->ssid,
1607 vif->req_bssid, vif->ch_hint,
1608 ar->connect_ctrl_flags, SUBTYPE_NONE);
1609 set_bit(CONNECT_PEND, &vif->flags);
1614 static int ath6kl_cfg80211_leave_ibss(struct wiphy *wiphy,
1615 struct net_device *dev)
1617 struct ath6kl_vif *vif = netdev_priv(dev);
1619 if (!ath6kl_cfg80211_ready(vif))
1622 ath6kl_disconnect(vif);
1623 memset(vif->ssid, 0, sizeof(vif->ssid));
1629 static const u32 cipher_suites[] = {
1630 WLAN_CIPHER_SUITE_WEP40,
1631 WLAN_CIPHER_SUITE_WEP104,
1632 WLAN_CIPHER_SUITE_TKIP,
1633 WLAN_CIPHER_SUITE_CCMP,
1634 CCKM_KRK_CIPHER_SUITE,
1635 WLAN_CIPHER_SUITE_SMS4,
1638 static bool is_rate_legacy(s32 rate)
1640 static const s32 legacy[] = { 1000, 2000, 5500, 11000,
1641 6000, 9000, 12000, 18000, 24000,
1646 for (i = 0; i < ARRAY_SIZE(legacy); i++)
1647 if (rate == legacy[i])
1653 static bool is_rate_ht20(s32 rate, u8 *mcs, bool *sgi)
1655 static const s32 ht20[] = { 6500, 13000, 19500, 26000, 39000,
1656 52000, 58500, 65000, 72200
1660 for (i = 0; i < ARRAY_SIZE(ht20); i++) {
1661 if (rate == ht20[i]) {
1662 if (i == ARRAY_SIZE(ht20) - 1)
1663 /* last rate uses sgi */
1675 static bool is_rate_ht40(s32 rate, u8 *mcs, bool *sgi)
1677 static const s32 ht40[] = { 13500, 27000, 40500, 54000,
1678 81000, 108000, 121500, 135000,
1683 for (i = 0; i < ARRAY_SIZE(ht40); i++) {
1684 if (rate == ht40[i]) {
1685 if (i == ARRAY_SIZE(ht40) - 1)
1686 /* last rate uses sgi */
1699 static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev,
1700 u8 *mac, struct station_info *sinfo)
1702 struct ath6kl *ar = ath6kl_priv(dev);
1703 struct ath6kl_vif *vif = netdev_priv(dev);
1710 if (memcmp(mac, vif->bssid, ETH_ALEN) != 0)
1713 if (down_interruptible(&ar->sem))
1716 set_bit(STATS_UPDATE_PEND, &vif->flags);
1718 ret = ath6kl_wmi_get_stats_cmd(ar->wmi, vif->fw_vif_idx);
1725 left = wait_event_interruptible_timeout(ar->event_wq,
1726 !test_bit(STATS_UPDATE_PEND,
1737 if (vif->target_stats.rx_byte) {
1738 sinfo->rx_bytes = vif->target_stats.rx_byte;
1739 sinfo->filled |= STATION_INFO_RX_BYTES;
1740 sinfo->rx_packets = vif->target_stats.rx_pkt;
1741 sinfo->filled |= STATION_INFO_RX_PACKETS;
1744 if (vif->target_stats.tx_byte) {
1745 sinfo->tx_bytes = vif->target_stats.tx_byte;
1746 sinfo->filled |= STATION_INFO_TX_BYTES;
1747 sinfo->tx_packets = vif->target_stats.tx_pkt;
1748 sinfo->filled |= STATION_INFO_TX_PACKETS;
1751 sinfo->signal = vif->target_stats.cs_rssi;
1752 sinfo->filled |= STATION_INFO_SIGNAL;
1754 rate = vif->target_stats.tx_ucast_rate;
1756 if (is_rate_legacy(rate)) {
1757 sinfo->txrate.legacy = rate / 100;
1758 } else if (is_rate_ht20(rate, &mcs, &sgi)) {
1760 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
1761 sinfo->txrate.mcs = mcs - 1;
1763 sinfo->txrate.mcs = mcs;
1766 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
1767 } else if (is_rate_ht40(rate, &mcs, &sgi)) {
1769 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
1770 sinfo->txrate.mcs = mcs - 1;
1772 sinfo->txrate.mcs = mcs;
1775 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
1776 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
1778 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1779 "invalid rate from stats: %d\n", rate);
1780 ath6kl_debug_war(ar, ATH6KL_WAR_INVALID_RATE);
1784 sinfo->filled |= STATION_INFO_TX_BITRATE;
1786 if (test_bit(CONNECTED, &vif->flags) &&
1787 test_bit(DTIM_PERIOD_AVAIL, &vif->flags) &&
1788 vif->nw_type == INFRA_NETWORK) {
1789 sinfo->filled |= STATION_INFO_BSS_PARAM;
1790 sinfo->bss_param.flags = 0;
1791 sinfo->bss_param.dtim_period = vif->assoc_bss_dtim_period;
1792 sinfo->bss_param.beacon_interval = vif->assoc_bss_beacon_int;
1798 static int ath6kl_set_pmksa(struct wiphy *wiphy, struct net_device *netdev,
1799 struct cfg80211_pmksa *pmksa)
1801 struct ath6kl *ar = ath6kl_priv(netdev);
1802 struct ath6kl_vif *vif = netdev_priv(netdev);
1804 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid,
1805 pmksa->pmkid, true);
1808 static int ath6kl_del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
1809 struct cfg80211_pmksa *pmksa)
1811 struct ath6kl *ar = ath6kl_priv(netdev);
1812 struct ath6kl_vif *vif = netdev_priv(netdev);
1814 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid,
1815 pmksa->pmkid, false);
1818 static int ath6kl_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev)
1820 struct ath6kl *ar = ath6kl_priv(netdev);
1821 struct ath6kl_vif *vif = netdev_priv(netdev);
1823 if (test_bit(CONNECTED, &vif->flags))
1824 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx,
1825 vif->bssid, NULL, false);
1829 static int ath6kl_wow_usr(struct ath6kl *ar, struct ath6kl_vif *vif,
1830 struct cfg80211_wowlan *wow, u32 *filter)
1833 u8 mask[WOW_MASK_SIZE];
1836 /* Configure the patterns that we received from the user. */
1837 for (i = 0; i < wow->n_patterns; i++) {
1840 * Convert given nl80211 specific mask value to equivalent
1841 * driver specific mask value and send it to the chip along
1842 * with patterns. For example, If the mask value defined in
1843 * struct cfg80211_wowlan is 0xA (equivalent binary is 1010),
1844 * then equivalent driver specific mask value is
1845 * "0xFF 0x00 0xFF 0x00".
1847 memset(&mask, 0, sizeof(mask));
1848 for (pos = 0; pos < wow->patterns[i].pattern_len; pos++) {
1849 if (wow->patterns[i].mask[pos / 8] & (0x1 << (pos % 8)))
1853 * Note: Pattern's offset is not passed as part of wowlan
1854 * parameter from CFG layer. So it's always passed as ZERO
1855 * to the firmware. It means, given WOW patterns are always
1856 * matched from the first byte of received pkt in the firmware.
1858 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1859 vif->fw_vif_idx, WOW_LIST_ID,
1860 wow->patterns[i].pattern_len,
1861 0 /* pattern offset */,
1862 wow->patterns[i].pattern, mask);
1867 if (wow->disconnect)
1868 *filter |= WOW_FILTER_OPTION_NWK_DISASSOC;
1871 *filter |= WOW_FILTER_OPTION_MAGIC_PACKET;
1873 if (wow->gtk_rekey_failure)
1874 *filter |= WOW_FILTER_OPTION_GTK_ERROR;
1876 if (wow->eap_identity_req)
1877 *filter |= WOW_FILTER_OPTION_EAP_REQ;
1879 if (wow->four_way_handshake)
1880 *filter |= WOW_FILTER_OPTION_8021X_4WAYHS;
1885 static int ath6kl_wow_ap(struct ath6kl *ar, struct ath6kl_vif *vif)
1887 static const u8 unicst_pattern[] = { 0x00, 0x00, 0x00,
1888 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1889 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1891 static const u8 unicst_mask[] = { 0x01, 0x00, 0x00,
1892 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1893 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1895 u8 unicst_offset = 0;
1896 static const u8 arp_pattern[] = { 0x08, 0x06 };
1897 static const u8 arp_mask[] = { 0xff, 0xff };
1899 static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 };
1900 static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 };
1901 u8 discvr_offset = 38;
1902 static const u8 dhcp_pattern[] = { 0xff, 0xff, 0xff, 0xff,
1903 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1904 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00,
1905 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1906 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1907 0x00, 0x00, 0x00, 0x00, 0x00, 0x43 /* port 67 */ };
1908 static const u8 dhcp_mask[] = { 0xff, 0xff, 0xff, 0xff,
1909 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1910 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff,
1911 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1912 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1913 0x00, 0x00, 0x00, 0x00, 0xff, 0xff /* port 67 */ };
1917 /* Setup unicast IP, EAPOL-like and ARP pkt pattern */
1918 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1919 vif->fw_vif_idx, WOW_LIST_ID,
1920 sizeof(unicst_pattern), unicst_offset,
1921 unicst_pattern, unicst_mask);
1923 ath6kl_err("failed to add WOW unicast IP pattern\n");
1927 /* Setup all ARP pkt pattern */
1928 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1929 vif->fw_vif_idx, WOW_LIST_ID,
1930 sizeof(arp_pattern), arp_offset,
1931 arp_pattern, arp_mask);
1933 ath6kl_err("failed to add WOW ARP pattern\n");
1938 * Setup multicast pattern for mDNS 224.0.0.251,
1939 * SSDP 239.255.255.250 and LLMNR 224.0.0.252
1941 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1942 vif->fw_vif_idx, WOW_LIST_ID,
1943 sizeof(discvr_pattern), discvr_offset,
1944 discvr_pattern, discvr_mask);
1946 ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n");
1950 /* Setup all DHCP broadcast pkt pattern */
1951 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1952 vif->fw_vif_idx, WOW_LIST_ID,
1953 sizeof(dhcp_pattern), dhcp_offset,
1954 dhcp_pattern, dhcp_mask);
1956 ath6kl_err("failed to add WOW DHCP broadcast pattern\n");
1963 static int ath6kl_wow_sta(struct ath6kl *ar, struct ath6kl_vif *vif)
1965 struct net_device *ndev = vif->ndev;
1966 static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 };
1967 static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 };
1968 u8 discvr_offset = 38;
1969 u8 mac_mask[ETH_ALEN];
1972 /* Setup unicast pkt pattern */
1973 memset(mac_mask, 0xff, ETH_ALEN);
1974 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1975 vif->fw_vif_idx, WOW_LIST_ID,
1976 ETH_ALEN, 0, ndev->dev_addr,
1979 ath6kl_err("failed to add WOW unicast pattern\n");
1984 * Setup multicast pattern for mDNS 224.0.0.251,
1985 * SSDP 239.255.255.250 and LLMNR 224.0.0.252
1987 if ((ndev->flags & IFF_ALLMULTI) ||
1988 (ndev->flags & IFF_MULTICAST && netdev_mc_count(ndev) > 0)) {
1989 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1990 vif->fw_vif_idx, WOW_LIST_ID,
1991 sizeof(discvr_pattern), discvr_offset,
1992 discvr_pattern, discvr_mask);
1994 ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n");
2002 static int is_hsleep_mode_procsed(struct ath6kl_vif *vif)
2004 return test_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2007 static bool is_ctrl_ep_empty(struct ath6kl *ar)
2009 return !ar->tx_pending[ar->ctrl_ep];
2012 static int ath6kl_cfg80211_host_sleep(struct ath6kl *ar, struct ath6kl_vif *vif)
2016 clear_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2018 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2019 ATH6KL_HOST_MODE_ASLEEP);
2023 left = wait_event_interruptible_timeout(ar->event_wq,
2024 is_hsleep_mode_procsed(vif),
2027 ath6kl_warn("timeout, didn't get host sleep cmd processed event\n");
2029 } else if (left < 0) {
2030 ath6kl_warn("error while waiting for host sleep cmd processed event %d\n",
2035 if (ar->tx_pending[ar->ctrl_ep]) {
2036 left = wait_event_interruptible_timeout(ar->event_wq,
2037 is_ctrl_ep_empty(ar),
2040 ath6kl_warn("clear wmi ctrl data timeout\n");
2042 } else if (left < 0) {
2043 ath6kl_warn("clear wmi ctrl data failed: %d\n", left);
2051 static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow)
2053 struct in_device *in_dev;
2054 struct in_ifaddr *ifa;
2055 struct ath6kl_vif *vif;
2060 __be32 ips[MAX_IP_ADDRS];
2062 /* The FW currently can't support multi-vif WoW properly. */
2063 if (ar->num_vif > 1)
2066 vif = ath6kl_vif_first(ar);
2070 if (!ath6kl_cfg80211_ready(vif))
2073 if (!test_bit(CONNECTED, &vif->flags))
2076 if (wow && (wow->n_patterns > WOW_MAX_FILTERS_PER_LIST))
2079 /* Clear existing WOW patterns */
2080 for (i = 0; i < WOW_MAX_FILTERS_PER_LIST; i++)
2081 ath6kl_wmi_del_wow_pattern_cmd(ar->wmi, vif->fw_vif_idx,
2085 * Skip the default WOW pattern configuration
2086 * if the driver receives any WOW patterns from
2090 ret = ath6kl_wow_usr(ar, vif, wow, &filter);
2091 else if (vif->nw_type == AP_NETWORK)
2092 ret = ath6kl_wow_ap(ar, vif);
2094 ret = ath6kl_wow_sta(ar, vif);
2099 netif_stop_queue(vif->ndev);
2101 if (vif->nw_type != AP_NETWORK) {
2102 ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
2103 ATH6KL_MAX_WOW_LISTEN_INTL,
2108 /* Set listen interval x 15 times as bmiss time */
2109 bmiss_time = ATH6KL_MAX_WOW_LISTEN_INTL * 15;
2110 if (bmiss_time > ATH6KL_MAX_BMISS_TIME)
2111 bmiss_time = ATH6KL_MAX_BMISS_TIME;
2113 ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx,
2118 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2119 0xFFFF, 0, 0xFFFF, 0, 0, 0,
2125 ar->state = ATH6KL_STATE_SUSPENDING;
2127 /* Setup own IP addr for ARP agent. */
2128 in_dev = __in_dev_get_rtnl(vif->ndev);
2132 ifa = in_dev->ifa_list;
2133 memset(&ips, 0, sizeof(ips));
2135 /* Configure IP addr only if IP address count < MAX_IP_ADDRS */
2136 while (index < MAX_IP_ADDRS && ifa) {
2137 ips[index] = ifa->ifa_local;
2138 ifa = ifa->ifa_next;
2143 ath6kl_err("total IP addr count is exceeding fw limit\n");
2147 ret = ath6kl_wmi_set_ip_cmd(ar->wmi, vif->fw_vif_idx, ips[0], ips[1]);
2149 ath6kl_err("fail to setup ip for arp agent\n");
2154 ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx,
2155 ATH6KL_WOW_MODE_ENABLE,
2157 WOW_HOST_REQ_DELAY);
2161 ret = ath6kl_cfg80211_host_sleep(ar, vif);
2168 static int ath6kl_wow_resume(struct ath6kl *ar)
2170 struct ath6kl_vif *vif;
2173 vif = ath6kl_vif_first(ar);
2177 ar->state = ATH6KL_STATE_RESUMING;
2179 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2180 ATH6KL_HOST_MODE_AWAKE);
2182 ath6kl_warn("Failed to configure host sleep mode for wow resume: %d\n",
2184 ar->state = ATH6KL_STATE_WOW;
2188 if (vif->nw_type != AP_NETWORK) {
2189 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2190 0, 0, 0, 0, 0, 0, 3, 0, 0, 0);
2194 ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
2195 vif->listen_intvl_t, 0);
2199 ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx,
2200 vif->bmiss_time_t, 0);
2205 ar->state = ATH6KL_STATE_ON;
2207 netif_wake_queue(vif->ndev);
2212 static int ath6kl_cfg80211_deepsleep_suspend(struct ath6kl *ar)
2214 struct ath6kl_vif *vif;
2217 vif = ath6kl_vif_first(ar);
2221 if (!test_bit(WMI_READY, &ar->flag)) {
2222 ath6kl_err("deepsleep failed as wmi is not ready\n");
2226 ath6kl_cfg80211_stop_all(ar);
2228 /* Save the current power mode before enabling power save */
2229 ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode;
2231 ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER);
2235 /* Disable WOW mode */
2236 ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx,
2237 ATH6KL_WOW_MODE_DISABLE,
2242 /* Flush all non control pkts in TX path */
2243 ath6kl_tx_data_cleanup(ar);
2245 ret = ath6kl_cfg80211_host_sleep(ar, vif);
2252 static int ath6kl_cfg80211_deepsleep_resume(struct ath6kl *ar)
2254 struct ath6kl_vif *vif;
2257 vif = ath6kl_vif_first(ar);
2262 if (ar->wmi->pwr_mode != ar->wmi->saved_pwr_mode) {
2263 ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0,
2264 ar->wmi->saved_pwr_mode);
2269 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2270 ATH6KL_HOST_MODE_AWAKE);
2274 ar->state = ATH6KL_STATE_ON;
2276 /* Reset scan parameter to default values */
2277 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2278 0, 0, 0, 0, 0, 0, 3, 0, 0, 0);
2285 int ath6kl_cfg80211_suspend(struct ath6kl *ar,
2286 enum ath6kl_cfg_suspend_mode mode,
2287 struct cfg80211_wowlan *wow)
2289 struct ath6kl_vif *vif;
2290 enum ath6kl_state prev_state;
2294 case ATH6KL_CFG_SUSPEND_WOW:
2296 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode suspend\n");
2298 /* Flush all non control pkts in TX path */
2299 ath6kl_tx_data_cleanup(ar);
2301 prev_state = ar->state;
2303 ret = ath6kl_wow_suspend(ar, wow);
2305 ar->state = prev_state;
2309 ar->state = ATH6KL_STATE_WOW;
2312 case ATH6KL_CFG_SUSPEND_DEEPSLEEP:
2314 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep suspend\n");
2316 ret = ath6kl_cfg80211_deepsleep_suspend(ar);
2318 ath6kl_err("deepsleep suspend failed: %d\n", ret);
2322 ar->state = ATH6KL_STATE_DEEPSLEEP;
2326 case ATH6KL_CFG_SUSPEND_CUTPOWER:
2328 ath6kl_cfg80211_stop_all(ar);
2330 if (ar->state == ATH6KL_STATE_OFF) {
2331 ath6kl_dbg(ATH6KL_DBG_SUSPEND,
2332 "suspend hw off, no action for cutpower\n");
2336 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "suspend cutting power\n");
2338 ret = ath6kl_init_hw_stop(ar);
2340 ath6kl_warn("failed to stop hw during suspend: %d\n",
2344 ar->state = ATH6KL_STATE_CUTPOWER;
2348 case ATH6KL_CFG_SUSPEND_SCHED_SCAN:
2350 * Nothing needed for schedule scan, firmware is already in
2351 * wow mode and sleeping most of the time.
2359 list_for_each_entry(vif, &ar->vif_list, list)
2360 ath6kl_cfg80211_scan_complete_event(vif, true);
2364 EXPORT_SYMBOL(ath6kl_cfg80211_suspend);
2366 int ath6kl_cfg80211_resume(struct ath6kl *ar)
2370 switch (ar->state) {
2371 case ATH6KL_STATE_WOW:
2372 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode resume\n");
2374 ret = ath6kl_wow_resume(ar);
2376 ath6kl_warn("wow mode resume failed: %d\n", ret);
2382 case ATH6KL_STATE_DEEPSLEEP:
2383 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep resume\n");
2385 ret = ath6kl_cfg80211_deepsleep_resume(ar);
2387 ath6kl_warn("deep sleep resume failed: %d\n", ret);
2392 case ATH6KL_STATE_CUTPOWER:
2393 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "resume restoring power\n");
2395 ret = ath6kl_init_hw_start(ar);
2397 ath6kl_warn("Failed to boot hw in resume: %d\n", ret);
2402 case ATH6KL_STATE_SCHED_SCAN:
2411 EXPORT_SYMBOL(ath6kl_cfg80211_resume);
2415 /* hif layer decides what suspend mode to use */
2416 static int __ath6kl_cfg80211_suspend(struct wiphy *wiphy,
2417 struct cfg80211_wowlan *wow)
2419 struct ath6kl *ar = wiphy_priv(wiphy);
2421 return ath6kl_hif_suspend(ar, wow);
2424 static int __ath6kl_cfg80211_resume(struct wiphy *wiphy)
2426 struct ath6kl *ar = wiphy_priv(wiphy);
2428 return ath6kl_hif_resume(ar);
2432 * FIXME: WOW suspend mode is selected if the host sdio controller supports
2433 * both sdio irq wake up and keep power. The target pulls sdio data line to
2434 * wake up the host when WOW pattern matches. This causes sdio irq handler
2435 * is being called in the host side which internally hits ath6kl's RX path.
2437 * Since sdio interrupt is not disabled, RX path executes even before
2438 * the host executes the actual resume operation from PM module.
2440 * In the current scenario, WOW resume should happen before start processing
2441 * any data from the target. So It's required to perform WOW resume in RX path.
2442 * Ideally we should perform WOW resume only in the actual platform
2443 * resume path. This area needs bit rework to avoid WOW resume in RX path.
2445 * ath6kl_check_wow_status() is called from ath6kl_rx().
2447 void ath6kl_check_wow_status(struct ath6kl *ar)
2449 if (ar->state == ATH6KL_STATE_SUSPENDING)
2452 if (ar->state == ATH6KL_STATE_WOW)
2453 ath6kl_cfg80211_resume(ar);
2458 void ath6kl_check_wow_status(struct ath6kl *ar)
2463 static int ath6kl_set_htcap(struct ath6kl_vif *vif, enum ieee80211_band band,
2466 struct ath6kl_htcap *htcap = &vif->htcap;
2468 if (htcap->ht_enable == ht_enable)
2472 /* Set default ht capabilities */
2473 htcap->ht_enable = true;
2474 htcap->cap_info = (band == IEEE80211_BAND_2GHZ) ?
2475 ath6kl_g_htcap : ath6kl_a_htcap;
2476 htcap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K;
2477 } else /* Disable ht */
2478 memset(htcap, 0, sizeof(*htcap));
2480 return ath6kl_wmi_set_htcap_cmd(vif->ar->wmi, vif->fw_vif_idx,
2484 static int ath6kl_restore_htcap(struct ath6kl_vif *vif)
2486 struct wiphy *wiphy = vif->ar->wiphy;
2489 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2490 if (!wiphy->bands[band])
2493 ret = ath6kl_set_htcap(vif, band,
2494 wiphy->bands[band]->ht_cap.ht_supported);
2502 static bool ath6kl_is_p2p_ie(const u8 *pos)
2504 return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 &&
2505 pos[2] == 0x50 && pos[3] == 0x6f &&
2506 pos[4] == 0x9a && pos[5] == 0x09;
2509 static int ath6kl_set_ap_probe_resp_ies(struct ath6kl_vif *vif,
2510 const u8 *ies, size_t ies_len)
2512 struct ath6kl *ar = vif->ar;
2519 * Filter out P2P IE(s) since they will be included depending on
2520 * the Probe Request frame in ath6kl_send_go_probe_resp().
2523 if (ies && ies_len) {
2524 buf = kmalloc(ies_len, GFP_KERNEL);
2528 while (pos + 1 < ies + ies_len) {
2529 if (pos + 2 + pos[1] > ies + ies_len)
2531 if (!ath6kl_is_p2p_ie(pos)) {
2532 memcpy(buf + len, pos, 2 + pos[1]);
2539 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2540 WMI_FRAME_PROBE_RESP, buf, len);
2545 static int ath6kl_set_ies(struct ath6kl_vif *vif,
2546 struct cfg80211_beacon_data *info)
2548 struct ath6kl *ar = vif->ar;
2551 /* this also clears IE in fw if it's not set */
2552 res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2555 info->beacon_ies_len);
2559 /* this also clears IE in fw if it's not set */
2560 res = ath6kl_set_ap_probe_resp_ies(vif, info->proberesp_ies,
2561 info->proberesp_ies_len);
2565 /* this also clears IE in fw if it's not set */
2566 res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2567 WMI_FRAME_ASSOC_RESP,
2568 info->assocresp_ies,
2569 info->assocresp_ies_len);
2576 static int ath6kl_set_channel(struct wiphy *wiphy, struct net_device *dev,
2577 struct ieee80211_channel *chan,
2578 enum nl80211_channel_type channel_type)
2580 struct ath6kl_vif *vif;
2583 * 'dev' could be NULL if a channel change is required for the hardware
2584 * device itself, instead of a particular VIF.
2586 * FIXME: To be handled properly when monitor mode is supported.
2591 vif = netdev_priv(dev);
2593 if (!ath6kl_cfg80211_ready(vif))
2596 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: center_freq=%u hw_value=%u\n",
2597 __func__, chan->center_freq, chan->hw_value);
2598 vif->next_chan = chan->center_freq;
2599 vif->next_ch_type = channel_type;
2600 vif->next_ch_band = chan->band;
2605 static int ath6kl_get_rsn_capab(struct cfg80211_beacon_data *beacon,
2615 rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, beacon->tail, beacon->tail_len);
2619 rsn_ie_len = *(rsn_ie + 1);
2620 /* skip element id and length */
2629 /* skip group cipher suite */
2635 /* skip pairwise cipher suite */
2638 cnt = get_unaligned_le16(rsn_ie);
2639 rsn_ie += (2 + cnt * 4);
2640 rsn_ie_len -= (2 + cnt * 4);
2642 /* skip akm suite */
2645 cnt = get_unaligned_le16(rsn_ie);
2646 rsn_ie += (2 + cnt * 4);
2647 rsn_ie_len -= (2 + cnt * 4);
2652 memcpy(rsn_capab, rsn_ie, 2);
2657 static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev,
2658 struct cfg80211_ap_settings *info)
2660 struct ath6kl *ar = ath6kl_priv(dev);
2661 struct ath6kl_vif *vif = netdev_priv(dev);
2662 struct ieee80211_mgmt *mgmt;
2663 bool hidden = false;
2666 struct wmi_connect_cmd p;
2671 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s:\n", __func__);
2673 if (!ath6kl_cfg80211_ready(vif))
2676 if (vif->next_mode != AP_NETWORK)
2679 res = ath6kl_set_ies(vif, &info->beacon);
2681 ar->ap_mode_bkey.valid = false;
2688 if (info->beacon.head == NULL)
2690 mgmt = (struct ieee80211_mgmt *) info->beacon.head;
2691 ies = mgmt->u.beacon.variable;
2692 if (ies > info->beacon.head + info->beacon.head_len)
2694 ies_len = info->beacon.head + info->beacon.head_len - ies;
2696 if (info->ssid == NULL)
2698 memcpy(vif->ssid, info->ssid, info->ssid_len);
2699 vif->ssid_len = info->ssid_len;
2700 if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE)
2703 res = ath6kl_wmi_ap_hidden_ssid(ar->wmi, vif->fw_vif_idx, hidden);
2707 ret = ath6kl_set_auth_type(vif, info->auth_type);
2711 memset(&p, 0, sizeof(p));
2713 for (i = 0; i < info->crypto.n_akm_suites; i++) {
2714 switch (info->crypto.akm_suites[i]) {
2715 case WLAN_AKM_SUITE_8021X:
2716 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1)
2717 p.auth_mode |= WPA_AUTH;
2718 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2)
2719 p.auth_mode |= WPA2_AUTH;
2721 case WLAN_AKM_SUITE_PSK:
2722 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1)
2723 p.auth_mode |= WPA_PSK_AUTH;
2724 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2)
2725 p.auth_mode |= WPA2_PSK_AUTH;
2729 if (p.auth_mode == 0)
2730 p.auth_mode = NONE_AUTH;
2731 vif->auth_mode = p.auth_mode;
2733 for (i = 0; i < info->crypto.n_ciphers_pairwise; i++) {
2734 switch (info->crypto.ciphers_pairwise[i]) {
2735 case WLAN_CIPHER_SUITE_WEP40:
2736 case WLAN_CIPHER_SUITE_WEP104:
2737 p.prwise_crypto_type |= WEP_CRYPT;
2739 case WLAN_CIPHER_SUITE_TKIP:
2740 p.prwise_crypto_type |= TKIP_CRYPT;
2742 case WLAN_CIPHER_SUITE_CCMP:
2743 p.prwise_crypto_type |= AES_CRYPT;
2745 case WLAN_CIPHER_SUITE_SMS4:
2746 p.prwise_crypto_type |= WAPI_CRYPT;
2750 if (p.prwise_crypto_type == 0) {
2751 p.prwise_crypto_type = NONE_CRYPT;
2752 ath6kl_set_cipher(vif, 0, true);
2753 } else if (info->crypto.n_ciphers_pairwise == 1)
2754 ath6kl_set_cipher(vif, info->crypto.ciphers_pairwise[0], true);
2756 switch (info->crypto.cipher_group) {
2757 case WLAN_CIPHER_SUITE_WEP40:
2758 case WLAN_CIPHER_SUITE_WEP104:
2759 p.grp_crypto_type = WEP_CRYPT;
2761 case WLAN_CIPHER_SUITE_TKIP:
2762 p.grp_crypto_type = TKIP_CRYPT;
2764 case WLAN_CIPHER_SUITE_CCMP:
2765 p.grp_crypto_type = AES_CRYPT;
2767 case WLAN_CIPHER_SUITE_SMS4:
2768 p.grp_crypto_type = WAPI_CRYPT;
2771 p.grp_crypto_type = NONE_CRYPT;
2774 ath6kl_set_cipher(vif, info->crypto.cipher_group, false);
2776 p.nw_type = AP_NETWORK;
2777 vif->nw_type = vif->next_mode;
2779 p.ssid_len = vif->ssid_len;
2780 memcpy(p.ssid, vif->ssid, vif->ssid_len);
2781 p.dot11_auth_mode = vif->dot11_auth_mode;
2782 p.ch = cpu_to_le16(vif->next_chan);
2784 /* Enable uAPSD support by default */
2785 res = ath6kl_wmi_ap_set_apsd(ar->wmi, vif->fw_vif_idx, true);
2789 if (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) {
2790 p.nw_subtype = SUBTYPE_P2PGO;
2793 * Due to firmware limitation, it is not possible to
2794 * do P2P mgmt operations in AP mode
2796 p.nw_subtype = SUBTYPE_NONE;
2799 if (info->inactivity_timeout) {
2800 res = ath6kl_wmi_set_inact_period(ar->wmi, vif->fw_vif_idx,
2801 info->inactivity_timeout);
2806 if (ath6kl_set_htcap(vif, vif->next_ch_band,
2807 vif->next_ch_type != NL80211_CHAN_NO_HT))
2811 * Get the PTKSA replay counter in the RSN IE. Supplicant
2812 * will use the RSN IE in M3 message and firmware has to
2813 * advertise the same in beacon/probe response. Send
2814 * the complete RSN IE capability field to firmware
2816 if (!ath6kl_get_rsn_capab(&info->beacon, (u8 *) &rsn_capab) &&
2817 test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE,
2818 ar->fw_capabilities)) {
2819 res = ath6kl_wmi_set_ie_cmd(ar->wmi, vif->fw_vif_idx,
2820 WLAN_EID_RSN, WMI_RSN_IE_CAPB,
2821 (const u8 *) &rsn_capab,
2827 memcpy(&vif->profile, &p, sizeof(p));
2828 res = ath6kl_wmi_ap_profile_commit(ar->wmi, vif->fw_vif_idx, &p);
2835 static int ath6kl_change_beacon(struct wiphy *wiphy, struct net_device *dev,
2836 struct cfg80211_beacon_data *beacon)
2838 struct ath6kl_vif *vif = netdev_priv(dev);
2840 if (!ath6kl_cfg80211_ready(vif))
2843 if (vif->next_mode != AP_NETWORK)
2846 return ath6kl_set_ies(vif, beacon);
2849 static int ath6kl_stop_ap(struct wiphy *wiphy, struct net_device *dev)
2851 struct ath6kl *ar = ath6kl_priv(dev);
2852 struct ath6kl_vif *vif = netdev_priv(dev);
2854 if (vif->nw_type != AP_NETWORK)
2856 if (!test_bit(CONNECTED, &vif->flags))
2859 ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx);
2860 clear_bit(CONNECTED, &vif->flags);
2862 /* Restore ht setting in firmware */
2863 return ath6kl_restore_htcap(vif);
2866 static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
2868 static int ath6kl_del_station(struct wiphy *wiphy, struct net_device *dev,
2871 struct ath6kl *ar = ath6kl_priv(dev);
2872 struct ath6kl_vif *vif = netdev_priv(dev);
2873 const u8 *addr = mac ? mac : bcast_addr;
2875 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, WMI_AP_DEAUTH,
2876 addr, WLAN_REASON_PREV_AUTH_NOT_VALID);
2879 static int ath6kl_change_station(struct wiphy *wiphy, struct net_device *dev,
2880 u8 *mac, struct station_parameters *params)
2882 struct ath6kl *ar = ath6kl_priv(dev);
2883 struct ath6kl_vif *vif = netdev_priv(dev);
2885 if (vif->nw_type != AP_NETWORK)
2888 /* Use this only for authorizing/unauthorizing a station */
2889 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
2892 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED))
2893 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx,
2894 WMI_AP_MLME_AUTHORIZE, mac, 0);
2895 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx,
2896 WMI_AP_MLME_UNAUTHORIZE, mac, 0);
2899 static int ath6kl_remain_on_channel(struct wiphy *wiphy,
2900 struct net_device *dev,
2901 struct ieee80211_channel *chan,
2902 enum nl80211_channel_type channel_type,
2903 unsigned int duration,
2906 struct ath6kl *ar = ath6kl_priv(dev);
2907 struct ath6kl_vif *vif = netdev_priv(dev);
2910 /* TODO: if already pending or ongoing remain-on-channel,
2912 id = ++vif->last_roc_id;
2914 /* Do not use 0 as the cookie value */
2915 id = ++vif->last_roc_id;
2919 return ath6kl_wmi_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx,
2920 chan->center_freq, duration);
2923 static int ath6kl_cancel_remain_on_channel(struct wiphy *wiphy,
2924 struct net_device *dev,
2927 struct ath6kl *ar = ath6kl_priv(dev);
2928 struct ath6kl_vif *vif = netdev_priv(dev);
2930 if (cookie != vif->last_roc_id)
2932 vif->last_cancel_roc_id = cookie;
2934 return ath6kl_wmi_cancel_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx);
2937 static int ath6kl_send_go_probe_resp(struct ath6kl_vif *vif,
2938 const u8 *buf, size_t len,
2941 struct ath6kl *ar = vif->ar;
2946 const struct ieee80211_mgmt *mgmt;
2948 mgmt = (const struct ieee80211_mgmt *) buf;
2950 /* Include P2P IE(s) from the frame generated in user space. */
2952 p2p = kmalloc(len, GFP_KERNEL);
2957 pos = mgmt->u.probe_resp.variable;
2958 while (pos + 1 < buf + len) {
2959 if (pos + 2 + pos[1] > buf + len)
2961 if (ath6kl_is_p2p_ie(pos)) {
2962 memcpy(p2p + p2p_len, pos, 2 + pos[1]);
2963 p2p_len += 2 + pos[1];
2968 ret = ath6kl_wmi_send_probe_response_cmd(ar->wmi, vif->fw_vif_idx, freq,
2969 mgmt->da, p2p, p2p_len);
2974 static bool ath6kl_mgmt_powersave_ap(struct ath6kl_vif *vif,
2983 struct ieee80211_mgmt *mgmt;
2984 struct ath6kl_sta *conn;
2985 bool is_psq_empty = false;
2986 struct ath6kl_mgmt_buff *mgmt_buf;
2987 size_t mgmt_buf_size;
2988 struct ath6kl *ar = vif->ar;
2990 mgmt = (struct ieee80211_mgmt *) buf;
2991 if (is_multicast_ether_addr(mgmt->da))
2994 conn = ath6kl_find_sta(vif, mgmt->da);
2998 if (conn->sta_flags & STA_PS_SLEEP) {
2999 if (!(conn->sta_flags & STA_PS_POLLED)) {
3000 /* Queue the frames if the STA is sleeping */
3001 mgmt_buf_size = len + sizeof(struct ath6kl_mgmt_buff);
3002 mgmt_buf = kmalloc(mgmt_buf_size, GFP_KERNEL);
3006 INIT_LIST_HEAD(&mgmt_buf->list);
3008 mgmt_buf->freq = freq;
3009 mgmt_buf->wait = wait;
3010 mgmt_buf->len = len;
3011 mgmt_buf->no_cck = no_cck;
3012 memcpy(mgmt_buf->buf, buf, len);
3013 spin_lock_bh(&conn->psq_lock);
3014 is_psq_empty = skb_queue_empty(&conn->psq) &&
3015 (conn->mgmt_psq_len == 0);
3016 list_add_tail(&mgmt_buf->list, &conn->mgmt_psq);
3017 conn->mgmt_psq_len++;
3018 spin_unlock_bh(&conn->psq_lock);
3021 * If this is the first pkt getting queued
3022 * for this STA, update the PVB for this
3026 ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx,
3032 * This tx is because of a PsPoll.
3033 * Determine if MoreData bit has to be set.
3035 spin_lock_bh(&conn->psq_lock);
3036 if (!skb_queue_empty(&conn->psq) || (conn->mgmt_psq_len != 0))
3038 spin_unlock_bh(&conn->psq_lock);
3044 /* Check if SSID length is greater than DIRECT- */
3045 static bool ath6kl_is_p2p_go_ssid(const u8 *buf, size_t len)
3047 const struct ieee80211_mgmt *mgmt;
3048 mgmt = (const struct ieee80211_mgmt *) buf;
3050 /* variable[1] contains the SSID tag length */
3051 if (buf + len >= &mgmt->u.probe_resp.variable[1] &&
3052 (mgmt->u.probe_resp.variable[1] > P2P_WILDCARD_SSID_LEN)) {
3059 static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
3060 struct ieee80211_channel *chan, bool offchan,
3061 enum nl80211_channel_type channel_type,
3062 bool channel_type_valid, unsigned int wait,
3063 const u8 *buf, size_t len, bool no_cck,
3064 bool dont_wait_for_ack, u64 *cookie)
3066 struct ath6kl *ar = ath6kl_priv(dev);
3067 struct ath6kl_vif *vif = netdev_priv(dev);
3069 const struct ieee80211_mgmt *mgmt;
3070 bool more_data, queued;
3072 mgmt = (const struct ieee80211_mgmt *) buf;
3073 if (vif->nw_type == AP_NETWORK && test_bit(CONNECTED, &vif->flags) &&
3074 ieee80211_is_probe_resp(mgmt->frame_control) &&
3075 ath6kl_is_p2p_go_ssid(buf, len)) {
3077 * Send Probe Response frame in GO mode using a separate WMI
3078 * command to allow the target to fill in the generic IEs.
3080 *cookie = 0; /* TX status not supported */
3081 return ath6kl_send_go_probe_resp(vif, buf, len,
3085 id = vif->send_action_id++;
3088 * 0 is a reserved value in the WMI command and shall not be
3089 * used for the command.
3091 id = vif->send_action_id++;
3096 /* AP mode Power saving processing */
3097 if (vif->nw_type == AP_NETWORK) {
3098 queued = ath6kl_mgmt_powersave_ap(vif,
3099 id, chan->center_freq,
3101 len, &more_data, no_cck);
3106 return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id,
3107 chan->center_freq, wait,
3111 static void ath6kl_mgmt_frame_register(struct wiphy *wiphy,
3112 struct net_device *dev,
3113 u16 frame_type, bool reg)
3115 struct ath6kl_vif *vif = netdev_priv(dev);
3117 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: frame_type=0x%x reg=%d\n",
3118 __func__, frame_type, reg);
3119 if (frame_type == IEEE80211_STYPE_PROBE_REQ) {
3121 * Note: This notification callback is not allowed to sleep, so
3122 * we cannot send WMI_PROBE_REQ_REPORT_CMD here. Instead, we
3123 * hardcode target to report Probe Request frames all the time.
3125 vif->probe_req_report = reg;
3129 static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy,
3130 struct net_device *dev,
3131 struct cfg80211_sched_scan_request *request)
3133 struct ath6kl *ar = ath6kl_priv(dev);
3134 struct ath6kl_vif *vif = netdev_priv(dev);
3138 if (ar->state != ATH6KL_STATE_ON)
3141 if (vif->sme_state != SME_DISCONNECTED)
3144 /* The FW currently can't support multi-vif WoW properly. */
3145 if (ar->num_vif > 1)
3148 ath6kl_cfg80211_scan_complete_event(vif, true);
3150 ret = ath6kl_set_probed_ssids(ar, vif, request->ssids,
3155 /* fw uses seconds, also make sure that it's >0 */
3156 interval = max_t(u16, 1, request->interval / 1000);
3158 ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
3160 vif->bg_scan_period, 0, 0, 0, 3, 0, 0, 0);
3162 ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx,
3163 ATH6KL_WOW_MODE_ENABLE,
3165 WOW_HOST_REQ_DELAY);
3167 ath6kl_warn("Failed to enable wow with ssid filter: %d\n", ret);
3171 /* this also clears IE in fw if it's not set */
3172 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
3173 WMI_FRAME_PROBE_REQ,
3174 request->ie, request->ie_len);
3176 ath6kl_warn("Failed to set probe request IE for scheduled scan: %d",
3181 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
3182 ATH6KL_HOST_MODE_ASLEEP);
3184 ath6kl_warn("Failed to enable host sleep mode for sched scan: %d\n",
3189 ar->state = ATH6KL_STATE_SCHED_SCAN;
3194 static int ath6kl_cfg80211_sscan_stop(struct wiphy *wiphy,
3195 struct net_device *dev)
3197 struct ath6kl_vif *vif = netdev_priv(dev);
3200 stopped = __ath6kl_cfg80211_sscan_stop(vif);
3208 static const struct ieee80211_txrx_stypes
3209 ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = {
3210 [NL80211_IFTYPE_STATION] = {
3211 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3212 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3213 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3214 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3216 [NL80211_IFTYPE_AP] = {
3217 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3218 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3219 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3220 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3222 [NL80211_IFTYPE_P2P_CLIENT] = {
3223 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3224 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3225 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3226 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3228 [NL80211_IFTYPE_P2P_GO] = {
3229 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3230 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3231 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3232 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3236 static struct cfg80211_ops ath6kl_cfg80211_ops = {
3237 .add_virtual_intf = ath6kl_cfg80211_add_iface,
3238 .del_virtual_intf = ath6kl_cfg80211_del_iface,
3239 .change_virtual_intf = ath6kl_cfg80211_change_iface,
3240 .scan = ath6kl_cfg80211_scan,
3241 .connect = ath6kl_cfg80211_connect,
3242 .disconnect = ath6kl_cfg80211_disconnect,
3243 .add_key = ath6kl_cfg80211_add_key,
3244 .get_key = ath6kl_cfg80211_get_key,
3245 .del_key = ath6kl_cfg80211_del_key,
3246 .set_default_key = ath6kl_cfg80211_set_default_key,
3247 .set_wiphy_params = ath6kl_cfg80211_set_wiphy_params,
3248 .set_tx_power = ath6kl_cfg80211_set_txpower,
3249 .get_tx_power = ath6kl_cfg80211_get_txpower,
3250 .set_power_mgmt = ath6kl_cfg80211_set_power_mgmt,
3251 .join_ibss = ath6kl_cfg80211_join_ibss,
3252 .leave_ibss = ath6kl_cfg80211_leave_ibss,
3253 .get_station = ath6kl_get_station,
3254 .set_pmksa = ath6kl_set_pmksa,
3255 .del_pmksa = ath6kl_del_pmksa,
3256 .flush_pmksa = ath6kl_flush_pmksa,
3257 CFG80211_TESTMODE_CMD(ath6kl_tm_cmd)
3259 .suspend = __ath6kl_cfg80211_suspend,
3260 .resume = __ath6kl_cfg80211_resume,
3262 .set_channel = ath6kl_set_channel,
3263 .start_ap = ath6kl_start_ap,
3264 .change_beacon = ath6kl_change_beacon,
3265 .stop_ap = ath6kl_stop_ap,
3266 .del_station = ath6kl_del_station,
3267 .change_station = ath6kl_change_station,
3268 .remain_on_channel = ath6kl_remain_on_channel,
3269 .cancel_remain_on_channel = ath6kl_cancel_remain_on_channel,
3270 .mgmt_tx = ath6kl_mgmt_tx,
3271 .mgmt_frame_register = ath6kl_mgmt_frame_register,
3272 .sched_scan_start = ath6kl_cfg80211_sscan_start,
3273 .sched_scan_stop = ath6kl_cfg80211_sscan_stop,
3276 void ath6kl_cfg80211_stop(struct ath6kl_vif *vif)
3278 ath6kl_cfg80211_sscan_disable(vif);
3280 switch (vif->sme_state) {
3281 case SME_DISCONNECTED:
3283 case SME_CONNECTING:
3284 cfg80211_connect_result(vif->ndev, vif->bssid, NULL, 0,
3286 WLAN_STATUS_UNSPECIFIED_FAILURE,
3290 cfg80211_disconnected(vif->ndev, 0, NULL, 0, GFP_KERNEL);
3294 if (test_bit(CONNECTED, &vif->flags) ||
3295 test_bit(CONNECT_PEND, &vif->flags))
3296 ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx);
3298 vif->sme_state = SME_DISCONNECTED;
3299 clear_bit(CONNECTED, &vif->flags);
3300 clear_bit(CONNECT_PEND, &vif->flags);
3302 /* disable scanning */
3303 if (ath6kl_wmi_scanparams_cmd(vif->ar->wmi, vif->fw_vif_idx, 0xFFFF,
3304 0, 0, 0, 0, 0, 0, 0, 0, 0) != 0)
3305 ath6kl_warn("failed to disable scan during stop\n");
3307 ath6kl_cfg80211_scan_complete_event(vif, true);
3310 void ath6kl_cfg80211_stop_all(struct ath6kl *ar)
3312 struct ath6kl_vif *vif;
3314 vif = ath6kl_vif_first(ar);
3316 /* save the current power mode before enabling power save */
3317 ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode;
3319 if (ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER) != 0)
3320 ath6kl_warn("ath6kl_deep_sleep_enable: wmi_powermode_cmd failed\n");
3325 * FIXME: we should take ar->list_lock to protect changes in the
3326 * vif_list, but that's not trivial to do as ath6kl_cfg80211_stop()
3329 list_for_each_entry(vif, &ar->vif_list, list)
3330 ath6kl_cfg80211_stop(vif);
3333 static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif)
3335 vif->aggr_cntxt = aggr_init(vif);
3336 if (!vif->aggr_cntxt) {
3337 ath6kl_err("failed to initialize aggr\n");
3341 setup_timer(&vif->disconnect_timer, disconnect_timer_handler,
3342 (unsigned long) vif->ndev);
3343 setup_timer(&vif->sched_scan_timer, ath6kl_wmi_sscan_timer,
3344 (unsigned long) vif);
3346 set_bit(WMM_ENABLED, &vif->flags);
3347 spin_lock_init(&vif->if_lock);
3349 INIT_LIST_HEAD(&vif->mc_filter);
3354 void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif *vif)
3356 struct ath6kl *ar = vif->ar;
3357 struct ath6kl_mc_filter *mc_filter, *tmp;
3359 aggr_module_destroy(vif->aggr_cntxt);
3361 ar->avail_idx_map |= BIT(vif->fw_vif_idx);
3363 if (vif->nw_type == ADHOC_NETWORK)
3364 ar->ibss_if_active = false;
3366 list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) {
3367 list_del(&mc_filter->list);
3371 unregister_netdevice(vif->ndev);
3376 struct net_device *ath6kl_interface_add(struct ath6kl *ar, char *name,
3377 enum nl80211_iftype type, u8 fw_vif_idx,
3380 struct net_device *ndev;
3381 struct ath6kl_vif *vif;
3383 ndev = alloc_netdev(sizeof(*vif), name, ether_setup);
3387 vif = netdev_priv(ndev);
3388 ndev->ieee80211_ptr = &vif->wdev;
3389 vif->wdev.wiphy = ar->wiphy;
3392 SET_NETDEV_DEV(ndev, wiphy_dev(vif->wdev.wiphy));
3393 vif->wdev.netdev = ndev;
3394 vif->wdev.iftype = type;
3395 vif->fw_vif_idx = fw_vif_idx;
3396 vif->nw_type = nw_type;
3397 vif->next_mode = nw_type;
3398 vif->listen_intvl_t = ATH6KL_DEFAULT_LISTEN_INTVAL;
3399 vif->bmiss_time_t = ATH6KL_DEFAULT_BMISS_TIME;
3400 vif->bg_scan_period = 0;
3401 vif->htcap.ht_enable = true;
3403 memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN);
3404 if (fw_vif_idx != 0)
3405 ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << fw_vif_idx)) |
3410 ath6kl_init_control_info(vif);
3412 if (ath6kl_cfg80211_vif_init(vif))
3415 if (register_netdevice(ndev))
3418 ar->avail_idx_map &= ~BIT(fw_vif_idx);
3419 vif->sme_state = SME_DISCONNECTED;
3420 set_bit(WLAN_ENABLED, &vif->flags);
3421 ar->wlan_pwr_state = WLAN_POWER_STATE_ON;
3422 set_bit(NETDEV_REGISTERED, &vif->flags);
3424 if (type == NL80211_IFTYPE_ADHOC)
3425 ar->ibss_if_active = true;
3427 spin_lock_bh(&ar->list_lock);
3428 list_add_tail(&vif->list, &ar->vif_list);
3429 spin_unlock_bh(&ar->list_lock);
3434 aggr_module_destroy(vif->aggr_cntxt);
3439 int ath6kl_cfg80211_init(struct ath6kl *ar)
3441 struct wiphy *wiphy = ar->wiphy;
3442 bool band_2gig = false, band_5gig = false, ht = false;
3445 wiphy->mgmt_stypes = ath6kl_mgmt_stypes;
3447 wiphy->max_remain_on_channel_duration = 5000;
3449 /* set device pointer for wiphy */
3450 set_wiphy_dev(wiphy, ar->dev);
3452 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
3453 BIT(NL80211_IFTYPE_ADHOC) |
3454 BIT(NL80211_IFTYPE_AP);
3456 wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) |
3457 BIT(NL80211_IFTYPE_P2P_CLIENT);
3460 /* max num of ssids that can be probed during scanning */
3461 wiphy->max_scan_ssids = MAX_PROBED_SSID_INDEX;
3462 wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */
3463 switch (ar->hw.cap) {
3481 ath6kl_err("invalid phy capability!\n");
3486 ath6kl_band_2ghz.ht_cap.cap = 0;
3487 ath6kl_band_2ghz.ht_cap.ht_supported = false;
3488 ath6kl_band_5ghz.ht_cap.cap = 0;
3489 ath6kl_band_5ghz.ht_cap.ht_supported = false;
3492 wiphy->bands[IEEE80211_BAND_2GHZ] = &ath6kl_band_2ghz;
3494 wiphy->bands[IEEE80211_BAND_5GHZ] = &ath6kl_band_5ghz;
3496 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
3498 wiphy->cipher_suites = cipher_suites;
3499 wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
3501 wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT |
3502 WIPHY_WOWLAN_DISCONNECT |
3503 WIPHY_WOWLAN_GTK_REKEY_FAILURE |
3504 WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
3505 WIPHY_WOWLAN_EAP_IDENTITY_REQ |
3506 WIPHY_WOWLAN_4WAY_HANDSHAKE;
3507 wiphy->wowlan.n_patterns = WOW_MAX_FILTERS_PER_LIST;
3508 wiphy->wowlan.pattern_min_len = 1;
3509 wiphy->wowlan.pattern_max_len = WOW_PATTERN_SIZE;
3511 wiphy->max_sched_scan_ssids = MAX_PROBED_SSID_INDEX;
3513 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM |
3514 WIPHY_FLAG_HAVE_AP_SME |
3515 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
3516 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
3518 if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN, ar->fw_capabilities))
3519 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
3521 if (test_bit(ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT,
3522 ar->fw_capabilities))
3523 ar->wiphy->features = NL80211_FEATURE_INACTIVITY_TIMER;
3525 ar->wiphy->probe_resp_offload =
3526 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
3527 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
3528 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
3530 ret = wiphy_register(wiphy);
3532 ath6kl_err("couldn't register wiphy device\n");
3536 ar->wiphy_registered = true;
3541 void ath6kl_cfg80211_cleanup(struct ath6kl *ar)
3543 wiphy_unregister(ar->wiphy);
3545 ar->wiphy_registered = false;
3548 struct ath6kl *ath6kl_cfg80211_create(void)
3551 struct wiphy *wiphy;
3553 /* create a new wiphy for use with cfg80211 */
3554 wiphy = wiphy_new(&ath6kl_cfg80211_ops, sizeof(struct ath6kl));
3557 ath6kl_err("couldn't allocate wiphy device\n");
3561 ar = wiphy_priv(wiphy);
3567 /* Note: ar variable must not be accessed after calling this! */
3568 void ath6kl_cfg80211_destroy(struct ath6kl *ar)
3572 for (i = 0; i < AP_MAX_NUM_STA; i++)
3573 kfree(ar->sta_list[i].aggr_conn);
3575 wiphy_free(ar->wiphy);