2 * Copyright (c) 2004-2011 Atheros Communications Inc.
3 * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
20 #include <linux/moduleparam.h>
21 #include <linux/inetdevice.h>
22 #include <linux/export.h>
30 #define RATETAB_ENT(_rate, _rateid, _flags) { \
33 .hw_value = (_rateid), \
36 #define CHAN2G(_channel, _freq, _flags) { \
37 .band = IEEE80211_BAND_2GHZ, \
38 .hw_value = (_channel), \
39 .center_freq = (_freq), \
41 .max_antenna_gain = 0, \
45 #define CHAN5G(_channel, _flags) { \
46 .band = IEEE80211_BAND_5GHZ, \
47 .hw_value = (_channel), \
48 .center_freq = 5000 + (5 * (_channel)), \
50 .max_antenna_gain = 0, \
54 #define DEFAULT_BG_SCAN_PERIOD 60
56 struct ath6kl_cfg80211_match_probe_ssid {
57 struct cfg80211_ssid ssid;
61 static struct ieee80211_rate ath6kl_rates[] = {
62 RATETAB_ENT(10, 0x1, 0),
63 RATETAB_ENT(20, 0x2, 0),
64 RATETAB_ENT(55, 0x4, 0),
65 RATETAB_ENT(110, 0x8, 0),
66 RATETAB_ENT(60, 0x10, 0),
67 RATETAB_ENT(90, 0x20, 0),
68 RATETAB_ENT(120, 0x40, 0),
69 RATETAB_ENT(180, 0x80, 0),
70 RATETAB_ENT(240, 0x100, 0),
71 RATETAB_ENT(360, 0x200, 0),
72 RATETAB_ENT(480, 0x400, 0),
73 RATETAB_ENT(540, 0x800, 0),
76 #define ath6kl_a_rates (ath6kl_rates + 4)
77 #define ath6kl_a_rates_size 8
78 #define ath6kl_g_rates (ath6kl_rates + 0)
79 #define ath6kl_g_rates_size 12
81 #define ath6kl_g_htcap IEEE80211_HT_CAP_SGI_20
82 #define ath6kl_a_htcap (IEEE80211_HT_CAP_SUP_WIDTH_20_40 | \
83 IEEE80211_HT_CAP_SGI_20 | \
84 IEEE80211_HT_CAP_SGI_40)
86 static struct ieee80211_channel ath6kl_2ghz_channels[] = {
103 static struct ieee80211_channel ath6kl_5ghz_a_channels[] = {
104 CHAN5G(34, 0), CHAN5G(36, 0),
105 CHAN5G(38, 0), CHAN5G(40, 0),
106 CHAN5G(42, 0), CHAN5G(44, 0),
107 CHAN5G(46, 0), CHAN5G(48, 0),
108 CHAN5G(52, 0), CHAN5G(56, 0),
109 CHAN5G(60, 0), CHAN5G(64, 0),
110 CHAN5G(100, 0), CHAN5G(104, 0),
111 CHAN5G(108, 0), CHAN5G(112, 0),
112 CHAN5G(116, 0), CHAN5G(120, 0),
113 CHAN5G(124, 0), CHAN5G(128, 0),
114 CHAN5G(132, 0), CHAN5G(136, 0),
115 CHAN5G(140, 0), CHAN5G(149, 0),
116 CHAN5G(153, 0), CHAN5G(157, 0),
117 CHAN5G(161, 0), CHAN5G(165, 0),
118 CHAN5G(184, 0), CHAN5G(188, 0),
119 CHAN5G(192, 0), CHAN5G(196, 0),
120 CHAN5G(200, 0), CHAN5G(204, 0),
121 CHAN5G(208, 0), CHAN5G(212, 0),
125 static struct ieee80211_supported_band ath6kl_band_2ghz = {
126 .n_channels = ARRAY_SIZE(ath6kl_2ghz_channels),
127 .channels = ath6kl_2ghz_channels,
128 .n_bitrates = ath6kl_g_rates_size,
129 .bitrates = ath6kl_g_rates,
130 .ht_cap.cap = ath6kl_g_htcap,
131 .ht_cap.ht_supported = true,
134 static struct ieee80211_supported_band ath6kl_band_5ghz = {
135 .n_channels = ARRAY_SIZE(ath6kl_5ghz_a_channels),
136 .channels = ath6kl_5ghz_a_channels,
137 .n_bitrates = ath6kl_a_rates_size,
138 .bitrates = ath6kl_a_rates,
139 .ht_cap.cap = ath6kl_a_htcap,
140 .ht_cap.ht_supported = true,
143 #define CCKM_KRK_CIPHER_SUITE 0x004096ff /* use for KRK */
145 /* returns true if scheduled scan was stopped */
146 static bool __ath6kl_cfg80211_sscan_stop(struct ath6kl_vif *vif)
148 struct ath6kl *ar = vif->ar;
150 if (ar->state != ATH6KL_STATE_SCHED_SCAN)
153 del_timer_sync(&vif->sched_scan_timer);
155 ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
156 ATH6KL_HOST_MODE_AWAKE);
158 ar->state = ATH6KL_STATE_ON;
163 static void ath6kl_cfg80211_sscan_disable(struct ath6kl_vif *vif)
165 struct ath6kl *ar = vif->ar;
168 stopped = __ath6kl_cfg80211_sscan_stop(vif);
173 cfg80211_sched_scan_stopped(ar->wiphy);
176 static int ath6kl_set_wpa_version(struct ath6kl_vif *vif,
177 enum nl80211_wpa_versions wpa_version)
179 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: %u\n", __func__, wpa_version);
182 vif->auth_mode = NONE_AUTH;
183 } else if (wpa_version & NL80211_WPA_VERSION_2) {
184 vif->auth_mode = WPA2_AUTH;
185 } else if (wpa_version & NL80211_WPA_VERSION_1) {
186 vif->auth_mode = WPA_AUTH;
188 ath6kl_err("%s: %u not supported\n", __func__, wpa_version);
195 static int ath6kl_set_auth_type(struct ath6kl_vif *vif,
196 enum nl80211_auth_type auth_type)
198 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, auth_type);
201 case NL80211_AUTHTYPE_OPEN_SYSTEM:
202 vif->dot11_auth_mode = OPEN_AUTH;
204 case NL80211_AUTHTYPE_SHARED_KEY:
205 vif->dot11_auth_mode = SHARED_AUTH;
207 case NL80211_AUTHTYPE_NETWORK_EAP:
208 vif->dot11_auth_mode = LEAP_AUTH;
211 case NL80211_AUTHTYPE_AUTOMATIC:
212 vif->dot11_auth_mode = OPEN_AUTH | SHARED_AUTH;
216 ath6kl_err("%s: 0x%x not supported\n", __func__, auth_type);
223 static int ath6kl_set_cipher(struct ath6kl_vif *vif, u32 cipher, bool ucast)
225 u8 *ar_cipher = ucast ? &vif->prwise_crypto : &vif->grp_crypto;
226 u8 *ar_cipher_len = ucast ? &vif->prwise_crypto_len :
227 &vif->grp_crypto_len;
229 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: cipher 0x%x, ucast %u\n",
230 __func__, cipher, ucast);
234 /* our own hack to use value 0 as no crypto used */
235 *ar_cipher = NONE_CRYPT;
238 case WLAN_CIPHER_SUITE_WEP40:
239 *ar_cipher = WEP_CRYPT;
242 case WLAN_CIPHER_SUITE_WEP104:
243 *ar_cipher = WEP_CRYPT;
246 case WLAN_CIPHER_SUITE_TKIP:
247 *ar_cipher = TKIP_CRYPT;
250 case WLAN_CIPHER_SUITE_CCMP:
251 *ar_cipher = AES_CRYPT;
254 case WLAN_CIPHER_SUITE_SMS4:
255 *ar_cipher = WAPI_CRYPT;
259 ath6kl_err("cipher 0x%x not supported\n", cipher);
266 static void ath6kl_set_key_mgmt(struct ath6kl_vif *vif, u32 key_mgmt)
268 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, key_mgmt);
270 if (key_mgmt == WLAN_AKM_SUITE_PSK) {
271 if (vif->auth_mode == WPA_AUTH)
272 vif->auth_mode = WPA_PSK_AUTH;
273 else if (vif->auth_mode == WPA2_AUTH)
274 vif->auth_mode = WPA2_PSK_AUTH;
275 } else if (key_mgmt == 0x00409600) {
276 if (vif->auth_mode == WPA_AUTH)
277 vif->auth_mode = WPA_AUTH_CCKM;
278 else if (vif->auth_mode == WPA2_AUTH)
279 vif->auth_mode = WPA2_AUTH_CCKM;
280 } else if (key_mgmt != WLAN_AKM_SUITE_8021X) {
281 vif->auth_mode = NONE_AUTH;
285 static bool ath6kl_cfg80211_ready(struct ath6kl_vif *vif)
287 struct ath6kl *ar = vif->ar;
289 if (!test_bit(WMI_READY, &ar->flag)) {
290 ath6kl_err("wmi is not ready\n");
294 if (!test_bit(WLAN_ENABLED, &vif->flags)) {
295 ath6kl_err("wlan disabled\n");
302 static bool ath6kl_is_wpa_ie(const u8 *pos)
304 return pos[0] == WLAN_EID_WPA && pos[1] >= 4 &&
305 pos[2] == 0x00 && pos[3] == 0x50 &&
306 pos[4] == 0xf2 && pos[5] == 0x01;
309 static bool ath6kl_is_rsn_ie(const u8 *pos)
311 return pos[0] == WLAN_EID_RSN;
314 static bool ath6kl_is_wps_ie(const u8 *pos)
316 return (pos[0] == WLAN_EID_VENDOR_SPECIFIC &&
318 pos[2] == 0x00 && pos[3] == 0x50 && pos[4] == 0xf2 &&
322 static int ath6kl_set_assoc_req_ies(struct ath6kl_vif *vif, const u8 *ies,
325 struct ath6kl *ar = vif->ar;
332 * Clear previously set flag
335 ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG;
338 * Filter out RSN/WPA IE(s)
341 if (ies && ies_len) {
342 buf = kmalloc(ies_len, GFP_KERNEL);
347 while (pos + 1 < ies + ies_len) {
348 if (pos + 2 + pos[1] > ies + ies_len)
350 if (!(ath6kl_is_wpa_ie(pos) || ath6kl_is_rsn_ie(pos))) {
351 memcpy(buf + len, pos, 2 + pos[1]);
355 if (ath6kl_is_wps_ie(pos))
356 ar->connect_ctrl_flags |= CONNECT_WPS_FLAG;
362 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
363 WMI_FRAME_ASSOC_REQ, buf, len);
368 static int ath6kl_nliftype_to_drv_iftype(enum nl80211_iftype type, u8 *nw_type)
371 case NL80211_IFTYPE_STATION:
372 *nw_type = INFRA_NETWORK;
374 case NL80211_IFTYPE_ADHOC:
375 *nw_type = ADHOC_NETWORK;
377 case NL80211_IFTYPE_AP:
378 *nw_type = AP_NETWORK;
380 case NL80211_IFTYPE_P2P_CLIENT:
381 *nw_type = INFRA_NETWORK;
383 case NL80211_IFTYPE_P2P_GO:
384 *nw_type = AP_NETWORK;
387 ath6kl_err("invalid interface type %u\n", type);
394 static bool ath6kl_is_valid_iftype(struct ath6kl *ar, enum nl80211_iftype type,
395 u8 *if_idx, u8 *nw_type)
399 if (ath6kl_nliftype_to_drv_iftype(type, nw_type))
402 if (ar->ibss_if_active || ((type == NL80211_IFTYPE_ADHOC) &&
406 if (type == NL80211_IFTYPE_STATION ||
407 type == NL80211_IFTYPE_AP || type == NL80211_IFTYPE_ADHOC) {
408 for (i = 0; i < ar->vif_max; i++) {
409 if ((ar->avail_idx_map >> i) & BIT(0)) {
416 if (type == NL80211_IFTYPE_P2P_CLIENT ||
417 type == NL80211_IFTYPE_P2P_GO) {
418 for (i = ar->max_norm_iface; i < ar->vif_max; i++) {
419 if ((ar->avail_idx_map >> i) & BIT(0)) {
429 static bool ath6kl_is_tx_pending(struct ath6kl *ar)
431 return ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)] == 0;
435 static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
436 struct cfg80211_connect_params *sme)
438 struct ath6kl *ar = ath6kl_priv(dev);
439 struct ath6kl_vif *vif = netdev_priv(dev);
441 u8 nw_subtype = (ar->p2p) ? SUBTYPE_P2PDEV : SUBTYPE_NONE;
444 ath6kl_cfg80211_sscan_disable(vif);
446 vif->sme_state = SME_CONNECTING;
448 if (!ath6kl_cfg80211_ready(vif))
451 if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
452 ath6kl_err("destroy in progress\n");
456 if (test_bit(SKIP_SCAN, &ar->flag) &&
457 ((sme->channel && sme->channel->center_freq == 0) ||
458 (sme->bssid && is_zero_ether_addr(sme->bssid)))) {
459 ath6kl_err("SkipScan: channel or bssid invalid\n");
463 if (down_interruptible(&ar->sem)) {
464 ath6kl_err("busy, couldn't get access\n");
468 if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
469 ath6kl_err("busy, destroy in progress\n");
474 if (ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)]) {
476 * sleep until the command queue drains
478 wait_event_interruptible_timeout(ar->event_wq,
479 ath6kl_is_tx_pending(ar),
481 if (signal_pending(current)) {
482 ath6kl_err("cmd queue drain timeout\n");
488 status = ath6kl_set_assoc_req_ies(vif, sme->ie, sme->ie_len);
494 if (sme->ie == NULL || sme->ie_len == 0)
495 ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG;
497 if (test_bit(CONNECTED, &vif->flags) &&
498 vif->ssid_len == sme->ssid_len &&
499 !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) {
500 vif->reconnect_flag = true;
501 status = ath6kl_wmi_reconnect_cmd(ar->wmi, vif->fw_vif_idx,
507 ath6kl_err("wmi_reconnect_cmd failed\n");
511 } else if (vif->ssid_len == sme->ssid_len &&
512 !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) {
513 ath6kl_disconnect(vif);
516 memset(vif->ssid, 0, sizeof(vif->ssid));
517 vif->ssid_len = sme->ssid_len;
518 memcpy(vif->ssid, sme->ssid, sme->ssid_len);
521 vif->ch_hint = sme->channel->center_freq;
523 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
524 if (sme->bssid && !is_broadcast_ether_addr(sme->bssid))
525 memcpy(vif->req_bssid, sme->bssid, sizeof(vif->req_bssid));
527 ath6kl_set_wpa_version(vif, sme->crypto.wpa_versions);
529 status = ath6kl_set_auth_type(vif, sme->auth_type);
535 if (sme->crypto.n_ciphers_pairwise)
536 ath6kl_set_cipher(vif, sme->crypto.ciphers_pairwise[0], true);
538 ath6kl_set_cipher(vif, 0, true);
540 ath6kl_set_cipher(vif, sme->crypto.cipher_group, false);
542 if (sme->crypto.n_akm_suites)
543 ath6kl_set_key_mgmt(vif, sme->crypto.akm_suites[0]);
545 if ((sme->key_len) &&
546 (vif->auth_mode == NONE_AUTH) &&
547 (vif->prwise_crypto == WEP_CRYPT)) {
548 struct ath6kl_key *key = NULL;
550 if (sme->key_idx > WMI_MAX_KEY_INDEX) {
551 ath6kl_err("key index %d out of bounds\n",
557 key = &vif->keys[sme->key_idx];
558 key->key_len = sme->key_len;
559 memcpy(key->key, sme->key, key->key_len);
560 key->cipher = vif->prwise_crypto;
561 vif->def_txkey_index = sme->key_idx;
563 ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, sme->key_idx,
565 GROUP_USAGE | TX_USAGE,
568 key->key, KEY_OP_INIT_VAL, NULL,
572 if (!ar->usr_bss_filter) {
573 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
574 if (ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
575 ALL_BSS_FILTER, 0) != 0) {
576 ath6kl_err("couldn't set bss filtering\n");
582 vif->nw_type = vif->next_mode;
584 /* enable enhanced bmiss detection if applicable */
585 ath6kl_cfg80211_sta_bmiss_enhance(vif, true);
587 if (vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT)
588 nw_subtype = SUBTYPE_P2PCLIENT;
590 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
591 "%s: connect called with authmode %d dot11 auth %d"
592 " PW crypto %d PW crypto len %d GRP crypto %d"
593 " GRP crypto len %d channel hint %u\n",
595 vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto,
596 vif->prwise_crypto_len, vif->grp_crypto,
597 vif->grp_crypto_len, vif->ch_hint);
599 vif->reconnect_flag = 0;
601 if (vif->nw_type == INFRA_NETWORK) {
602 interval = max_t(u16, vif->listen_intvl_t,
603 ATH6KL_MAX_WOW_LISTEN_INTL);
604 status = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
608 ath6kl_err("couldn't set listen intervel\n");
614 status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type,
615 vif->dot11_auth_mode, vif->auth_mode,
617 vif->prwise_crypto_len,
618 vif->grp_crypto, vif->grp_crypto_len,
619 vif->ssid_len, vif->ssid,
620 vif->req_bssid, vif->ch_hint,
621 ar->connect_ctrl_flags, nw_subtype);
623 /* disable background scan if period is 0 */
624 if (sme->bg_scan_period == 0)
625 sme->bg_scan_period = 0xffff;
627 /* configure default value if not specified */
628 if (sme->bg_scan_period == -1)
629 sme->bg_scan_period = DEFAULT_BG_SCAN_PERIOD;
631 ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 0, 0,
632 sme->bg_scan_period, 0, 0, 0, 3, 0, 0, 0);
636 if (status == -EINVAL) {
637 memset(vif->ssid, 0, sizeof(vif->ssid));
639 ath6kl_err("invalid request\n");
642 ath6kl_err("ath6kl_wmi_connect_cmd failed\n");
646 if ((!(ar->connect_ctrl_flags & CONNECT_DO_WPA_OFFLOAD)) &&
647 ((vif->auth_mode == WPA_PSK_AUTH) ||
648 (vif->auth_mode == WPA2_PSK_AUTH))) {
649 mod_timer(&vif->disconnect_timer,
650 jiffies + msecs_to_jiffies(DISCON_TIMER_INTVAL));
653 ar->connect_ctrl_flags &= ~CONNECT_DO_WPA_OFFLOAD;
654 set_bit(CONNECT_PEND, &vif->flags);
659 static struct cfg80211_bss *
660 ath6kl_add_bss_if_needed(struct ath6kl_vif *vif,
661 enum network_type nw_type,
663 struct ieee80211_channel *chan,
665 size_t beacon_ie_len)
667 struct ath6kl *ar = vif->ar;
668 struct cfg80211_bss *bss;
669 u16 cap_mask, cap_val;
672 if (nw_type & ADHOC_NETWORK) {
673 cap_mask = WLAN_CAPABILITY_IBSS;
674 cap_val = WLAN_CAPABILITY_IBSS;
676 cap_mask = WLAN_CAPABILITY_ESS;
677 cap_val = WLAN_CAPABILITY_ESS;
680 bss = cfg80211_get_bss(ar->wiphy, chan, bssid,
681 vif->ssid, vif->ssid_len,
685 * Since cfg80211 may not yet know about the BSS,
686 * generate a partial entry until the first BSS info
687 * event becomes available.
689 * Prepend SSID element since it is not included in the Beacon
690 * IEs from the target.
692 ie = kmalloc(2 + vif->ssid_len + beacon_ie_len, GFP_KERNEL);
695 ie[0] = WLAN_EID_SSID;
696 ie[1] = vif->ssid_len;
697 memcpy(ie + 2, vif->ssid, vif->ssid_len);
698 memcpy(ie + 2 + vif->ssid_len, beacon_ie, beacon_ie_len);
699 bss = cfg80211_inform_bss(ar->wiphy, chan,
700 bssid, 0, cap_val, 100,
701 ie, 2 + vif->ssid_len + beacon_ie_len,
704 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
705 "added bss %pM to cfg80211\n", bssid);
708 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "cfg80211 already has a bss\n");
713 void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel,
714 u8 *bssid, u16 listen_intvl,
716 enum network_type nw_type,
717 u8 beacon_ie_len, u8 assoc_req_len,
718 u8 assoc_resp_len, u8 *assoc_info)
720 struct ieee80211_channel *chan;
721 struct ath6kl *ar = vif->ar;
722 struct cfg80211_bss *bss;
724 /* capinfo + listen interval */
725 u8 assoc_req_ie_offset = sizeof(u16) + sizeof(u16);
727 /* capinfo + status code + associd */
728 u8 assoc_resp_ie_offset = sizeof(u16) + sizeof(u16) + sizeof(u16);
730 u8 *assoc_req_ie = assoc_info + beacon_ie_len + assoc_req_ie_offset;
731 u8 *assoc_resp_ie = assoc_info + beacon_ie_len + assoc_req_len +
732 assoc_resp_ie_offset;
734 assoc_req_len -= assoc_req_ie_offset;
735 assoc_resp_len -= assoc_resp_ie_offset;
738 * Store Beacon interval here; DTIM period will be available only once
739 * a Beacon frame from the AP is seen.
741 vif->assoc_bss_beacon_int = beacon_intvl;
742 clear_bit(DTIM_PERIOD_AVAIL, &vif->flags);
744 if (nw_type & ADHOC_NETWORK) {
745 if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) {
746 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
747 "%s: ath6k not in ibss mode\n", __func__);
752 if (nw_type & INFRA_NETWORK) {
753 if (vif->wdev.iftype != NL80211_IFTYPE_STATION &&
754 vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) {
755 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
756 "%s: ath6k not in station mode\n", __func__);
761 chan = ieee80211_get_channel(ar->wiphy, (int) channel);
763 bss = ath6kl_add_bss_if_needed(vif, nw_type, bssid, chan,
764 assoc_info, beacon_ie_len);
766 ath6kl_err("could not add cfg80211 bss entry\n");
770 if (nw_type & ADHOC_NETWORK) {
771 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "ad-hoc %s selected\n",
772 nw_type & ADHOC_CREATOR ? "creator" : "joiner");
773 cfg80211_ibss_joined(vif->ndev, bssid, GFP_KERNEL);
774 cfg80211_put_bss(bss);
778 if (vif->sme_state == SME_CONNECTING) {
779 /* inform connect result to cfg80211 */
780 vif->sme_state = SME_CONNECTED;
781 cfg80211_connect_result(vif->ndev, bssid,
782 assoc_req_ie, assoc_req_len,
783 assoc_resp_ie, assoc_resp_len,
784 WLAN_STATUS_SUCCESS, GFP_KERNEL);
785 cfg80211_put_bss(bss);
786 } else if (vif->sme_state == SME_CONNECTED) {
787 /* inform roam event to cfg80211 */
788 cfg80211_roamed_bss(vif->ndev, bss, assoc_req_ie, assoc_req_len,
789 assoc_resp_ie, assoc_resp_len, GFP_KERNEL);
793 static int ath6kl_cfg80211_disconnect(struct wiphy *wiphy,
794 struct net_device *dev, u16 reason_code)
796 struct ath6kl *ar = ath6kl_priv(dev);
797 struct ath6kl_vif *vif = netdev_priv(dev);
799 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: reason=%u\n", __func__,
802 ath6kl_cfg80211_sscan_disable(vif);
804 if (!ath6kl_cfg80211_ready(vif))
807 if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
808 ath6kl_err("busy, destroy in progress\n");
812 if (down_interruptible(&ar->sem)) {
813 ath6kl_err("busy, couldn't get access\n");
817 vif->reconnect_flag = 0;
818 ath6kl_disconnect(vif);
819 memset(vif->ssid, 0, sizeof(vif->ssid));
822 if (!test_bit(SKIP_SCAN, &ar->flag))
823 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
827 vif->sme_state = SME_DISCONNECTED;
832 void ath6kl_cfg80211_disconnect_event(struct ath6kl_vif *vif, u8 reason,
833 u8 *bssid, u8 assoc_resp_len,
834 u8 *assoc_info, u16 proto_reason)
836 struct ath6kl *ar = vif->ar;
839 cfg80211_scan_done(vif->scan_req, true);
840 vif->scan_req = NULL;
843 if (vif->nw_type & ADHOC_NETWORK) {
844 if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) {
845 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
846 "%s: ath6k not in ibss mode\n", __func__);
849 memset(bssid, 0, ETH_ALEN);
850 cfg80211_ibss_joined(vif->ndev, bssid, GFP_KERNEL);
854 if (vif->nw_type & INFRA_NETWORK) {
855 if (vif->wdev.iftype != NL80211_IFTYPE_STATION &&
856 vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) {
857 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
858 "%s: ath6k not in station mode\n", __func__);
863 clear_bit(CONNECT_PEND, &vif->flags);
865 if (vif->sme_state == SME_CONNECTING) {
866 cfg80211_connect_result(vif->ndev,
869 WLAN_STATUS_UNSPECIFIED_FAILURE,
871 } else if (vif->sme_state == SME_CONNECTED) {
872 cfg80211_disconnected(vif->ndev, proto_reason,
873 NULL, 0, GFP_KERNEL);
876 vif->sme_state = SME_DISCONNECTED;
879 * Send a disconnect command to target when a disconnect event is
880 * received with reason code other than 3 (DISCONNECT_CMD - disconnect
881 * request from host) to make the firmware stop trying to connect even
882 * after giving disconnect event. There will be one more disconnect
883 * event for this disconnect command with reason code DISCONNECT_CMD
884 * which won't be notified to cfg80211.
886 if (reason != DISCONNECT_CMD)
887 ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx);
890 static int ath6kl_set_probed_ssids(struct ath6kl *ar,
891 struct ath6kl_vif *vif,
892 struct cfg80211_ssid *ssids, int n_ssids,
893 struct cfg80211_match_set *match_set,
896 u8 i, j, index_to_add, ssid_found = false;
897 struct ath6kl_cfg80211_match_probe_ssid ssid_list[MAX_PROBED_SSIDS];
899 memset(ssid_list, 0, sizeof(ssid_list));
901 if (n_ssids > MAX_PROBED_SSIDS ||
902 n_match_ssid > MAX_PROBED_SSIDS)
905 for (i = 0; i < n_ssids; i++) {
906 memcpy(ssid_list[i].ssid.ssid,
909 ssid_list[i].ssid.ssid_len = ssids[i].ssid_len;
911 if (ssids[i].ssid_len)
912 ssid_list[i].flag = SPECIFIC_SSID_FLAG;
914 ssid_list[i].flag = ANY_SSID_FLAG;
916 if (n_match_ssid == 0)
917 ssid_list[i].flag |= MATCH_SSID_FLAG;
922 for (i = 0; i < n_match_ssid; i++) {
925 for (j = 0; j < n_ssids; j++) {
926 if ((match_set[i].ssid.ssid_len ==
927 ssid_list[j].ssid.ssid_len) &&
928 (!memcmp(ssid_list[j].ssid.ssid,
929 match_set[i].ssid.ssid,
930 match_set[i].ssid.ssid_len))) {
931 ssid_list[j].flag |= MATCH_SSID_FLAG;
940 if (index_to_add >= MAX_PROBED_SSIDS)
943 ssid_list[index_to_add].ssid.ssid_len =
944 match_set[i].ssid.ssid_len;
945 memcpy(ssid_list[index_to_add].ssid.ssid,
946 match_set[i].ssid.ssid,
947 match_set[i].ssid.ssid_len);
948 ssid_list[index_to_add].flag |= MATCH_SSID_FLAG;
952 for (i = 0; i < index_to_add; i++) {
953 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i,
955 ssid_list[i].ssid.ssid_len,
956 ssid_list[i].ssid.ssid);
960 /* Make sure no old entries are left behind */
961 for (i = index_to_add; i < MAX_PROBED_SSIDS; i++) {
962 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i,
963 DISABLE_SSID_FLAG, 0, NULL);
969 static int ath6kl_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev,
970 struct cfg80211_scan_request *request)
972 struct ath6kl *ar = ath6kl_priv(ndev);
973 struct ath6kl_vif *vif = netdev_priv(ndev);
975 u16 *channels = NULL;
977 u32 force_fg_scan = 0;
979 if (!ath6kl_cfg80211_ready(vif))
982 ath6kl_cfg80211_sscan_disable(vif);
984 if (!ar->usr_bss_filter) {
985 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
986 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
989 ath6kl_err("couldn't set bss filtering\n");
994 ret = ath6kl_set_probed_ssids(ar, vif, request->ssids,
995 request->n_ssids, NULL, 0);
999 /* this also clears IE in fw if it's not set */
1000 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
1001 WMI_FRAME_PROBE_REQ,
1002 request->ie, request->ie_len);
1004 ath6kl_err("failed to set Probe Request appie for scan\n");
1009 * Scan only the requested channels if the request specifies a set of
1010 * channels. If the list is longer than the target supports, do not
1011 * configure the list and instead, scan all available channels.
1013 if (request->n_channels > 0 &&
1014 request->n_channels <= WMI_MAX_CHANNELS) {
1017 n_channels = request->n_channels;
1019 channels = kzalloc(n_channels * sizeof(u16), GFP_KERNEL);
1020 if (channels == NULL) {
1021 ath6kl_warn("failed to set scan channels, scan all channels");
1025 for (i = 0; i < n_channels; i++)
1026 channels[i] = request->channels[i]->center_freq;
1029 if (test_bit(CONNECTED, &vif->flags))
1032 vif->scan_req = request;
1034 if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
1035 ar->fw_capabilities)) {
1037 * If capable of doing P2P mgmt operations using
1038 * station interface, send additional information like
1039 * supported rates to advertise and xmit rates for
1042 ret = ath6kl_wmi_beginscan_cmd(ar->wmi, vif->fw_vif_idx,
1043 WMI_LONG_SCAN, force_fg_scan,
1045 ATH6KL_FG_SCAN_INTERVAL,
1046 n_channels, channels,
1050 ret = ath6kl_wmi_startscan_cmd(ar->wmi, vif->fw_vif_idx,
1051 WMI_LONG_SCAN, force_fg_scan,
1053 ATH6KL_FG_SCAN_INTERVAL,
1054 n_channels, channels);
1057 ath6kl_err("wmi_startscan_cmd failed\n");
1058 vif->scan_req = NULL;
1066 void ath6kl_cfg80211_scan_complete_event(struct ath6kl_vif *vif, bool aborted)
1068 struct ath6kl *ar = vif->ar;
1071 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: status%s\n", __func__,
1072 aborted ? " aborted" : "");
1080 if (vif->scan_req->n_ssids && vif->scan_req->ssids[0].ssid_len) {
1081 for (i = 0; i < vif->scan_req->n_ssids; i++) {
1082 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx,
1083 i + 1, DISABLE_SSID_FLAG,
1089 cfg80211_scan_done(vif->scan_req, aborted);
1090 vif->scan_req = NULL;
1093 void ath6kl_cfg80211_ch_switch_notify(struct ath6kl_vif *vif, int freq,
1094 enum wmi_phy_mode mode)
1096 enum nl80211_channel_type type;
1098 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1099 "channel switch notify nw_type %d freq %d mode %d\n",
1100 vif->nw_type, freq, mode);
1102 type = (mode == WMI_11G_HT20) ? NL80211_CHAN_HT20 : NL80211_CHAN_NO_HT;
1104 cfg80211_ch_switch_notify(vif->ndev, freq, type);
1107 static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
1108 u8 key_index, bool pairwise,
1110 struct key_params *params)
1112 struct ath6kl *ar = ath6kl_priv(ndev);
1113 struct ath6kl_vif *vif = netdev_priv(ndev);
1114 struct ath6kl_key *key = NULL;
1119 if (!ath6kl_cfg80211_ready(vif))
1122 if (params->cipher == CCKM_KRK_CIPHER_SUITE) {
1123 if (params->key_len != WMI_KRK_LEN)
1125 return ath6kl_wmi_add_krk_cmd(ar->wmi, vif->fw_vif_idx,
1129 if (key_index > WMI_MAX_KEY_INDEX) {
1130 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1131 "%s: key index %d out of bounds\n", __func__,
1136 key = &vif->keys[key_index];
1137 memset(key, 0, sizeof(struct ath6kl_key));
1140 key_usage = PAIRWISE_USAGE;
1142 key_usage = GROUP_USAGE;
1144 seq_len = params->seq_len;
1145 if (params->cipher == WLAN_CIPHER_SUITE_SMS4 &&
1146 seq_len > ATH6KL_KEY_SEQ_LEN) {
1147 /* Only first half of the WPI PN is configured */
1148 seq_len = ATH6KL_KEY_SEQ_LEN;
1150 if (params->key_len > WLAN_MAX_KEY_LEN ||
1151 seq_len > sizeof(key->seq))
1154 key->key_len = params->key_len;
1155 memcpy(key->key, params->key, key->key_len);
1156 key->seq_len = seq_len;
1157 memcpy(key->seq, params->seq, key->seq_len);
1158 key->cipher = params->cipher;
1160 switch (key->cipher) {
1161 case WLAN_CIPHER_SUITE_WEP40:
1162 case WLAN_CIPHER_SUITE_WEP104:
1163 key_type = WEP_CRYPT;
1166 case WLAN_CIPHER_SUITE_TKIP:
1167 key_type = TKIP_CRYPT;
1170 case WLAN_CIPHER_SUITE_CCMP:
1171 key_type = AES_CRYPT;
1173 case WLAN_CIPHER_SUITE_SMS4:
1174 key_type = WAPI_CRYPT;
1181 if (((vif->auth_mode == WPA_PSK_AUTH) ||
1182 (vif->auth_mode == WPA2_PSK_AUTH)) &&
1183 (key_usage & GROUP_USAGE))
1184 del_timer(&vif->disconnect_timer);
1186 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1187 "%s: index %d, key_len %d, key_type 0x%x, key_usage 0x%x, seq_len %d\n",
1188 __func__, key_index, key->key_len, key_type,
1189 key_usage, key->seq_len);
1191 if (vif->nw_type == AP_NETWORK && !pairwise &&
1192 (key_type == TKIP_CRYPT || key_type == AES_CRYPT ||
1193 key_type == WAPI_CRYPT)) {
1194 ar->ap_mode_bkey.valid = true;
1195 ar->ap_mode_bkey.key_index = key_index;
1196 ar->ap_mode_bkey.key_type = key_type;
1197 ar->ap_mode_bkey.key_len = key->key_len;
1198 memcpy(ar->ap_mode_bkey.key, key->key, key->key_len);
1199 if (!test_bit(CONNECTED, &vif->flags)) {
1200 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1201 "Delay initial group key configuration until AP mode has been started\n");
1203 * The key will be set in ath6kl_connect_ap_mode() once
1204 * the connected event is received from the target.
1210 if (vif->next_mode == AP_NETWORK && key_type == WEP_CRYPT &&
1211 !test_bit(CONNECTED, &vif->flags)) {
1213 * Store the key locally so that it can be re-configured after
1214 * the AP mode has properly started
1215 * (ath6kl_install_statioc_wep_keys).
1217 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1218 "Delay WEP key configuration until AP mode has been started\n");
1219 vif->wep_key_list[key_index].key_len = key->key_len;
1220 memcpy(vif->wep_key_list[key_index].key, key->key,
1225 return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, key_index,
1226 key_type, key_usage, key->key_len,
1227 key->seq, key->seq_len, key->key,
1229 (u8 *) mac_addr, SYNC_BOTH_WMIFLAG);
1232 static int ath6kl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
1233 u8 key_index, bool pairwise,
1236 struct ath6kl *ar = ath6kl_priv(ndev);
1237 struct ath6kl_vif *vif = netdev_priv(ndev);
1239 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1241 if (!ath6kl_cfg80211_ready(vif))
1244 if (key_index > WMI_MAX_KEY_INDEX) {
1245 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1246 "%s: key index %d out of bounds\n", __func__,
1251 if (!vif->keys[key_index].key_len) {
1252 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1253 "%s: index %d is empty\n", __func__, key_index);
1257 vif->keys[key_index].key_len = 0;
1259 return ath6kl_wmi_deletekey_cmd(ar->wmi, vif->fw_vif_idx, key_index);
1262 static int ath6kl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
1263 u8 key_index, bool pairwise,
1264 const u8 *mac_addr, void *cookie,
1265 void (*callback) (void *cookie,
1266 struct key_params *))
1268 struct ath6kl_vif *vif = netdev_priv(ndev);
1269 struct ath6kl_key *key = NULL;
1270 struct key_params params;
1272 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1274 if (!ath6kl_cfg80211_ready(vif))
1277 if (key_index > WMI_MAX_KEY_INDEX) {
1278 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1279 "%s: key index %d out of bounds\n", __func__,
1284 key = &vif->keys[key_index];
1285 memset(¶ms, 0, sizeof(params));
1286 params.cipher = key->cipher;
1287 params.key_len = key->key_len;
1288 params.seq_len = key->seq_len;
1289 params.seq = key->seq;
1290 params.key = key->key;
1292 callback(cookie, ¶ms);
1294 return key->key_len ? 0 : -ENOENT;
1297 static int ath6kl_cfg80211_set_default_key(struct wiphy *wiphy,
1298 struct net_device *ndev,
1299 u8 key_index, bool unicast,
1302 struct ath6kl *ar = ath6kl_priv(ndev);
1303 struct ath6kl_vif *vif = netdev_priv(ndev);
1304 struct ath6kl_key *key = NULL;
1306 enum crypto_type key_type = NONE_CRYPT;
1308 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1310 if (!ath6kl_cfg80211_ready(vif))
1313 if (key_index > WMI_MAX_KEY_INDEX) {
1314 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1315 "%s: key index %d out of bounds\n",
1316 __func__, key_index);
1320 if (!vif->keys[key_index].key_len) {
1321 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: invalid key index %d\n",
1322 __func__, key_index);
1326 vif->def_txkey_index = key_index;
1327 key = &vif->keys[vif->def_txkey_index];
1328 key_usage = GROUP_USAGE;
1329 if (vif->prwise_crypto == WEP_CRYPT)
1330 key_usage |= TX_USAGE;
1332 key_type = vif->prwise_crypto;
1334 key_type = vif->grp_crypto;
1336 if (vif->next_mode == AP_NETWORK && !test_bit(CONNECTED, &vif->flags))
1337 return 0; /* Delay until AP mode has been started */
1339 return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx,
1340 vif->def_txkey_index,
1341 key_type, key_usage,
1342 key->key_len, key->seq, key->seq_len,
1344 KEY_OP_INIT_VAL, NULL,
1348 void ath6kl_cfg80211_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid,
1351 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1352 "%s: keyid %d, ismcast %d\n", __func__, keyid, ismcast);
1354 cfg80211_michael_mic_failure(vif->ndev, vif->bssid,
1355 (ismcast ? NL80211_KEYTYPE_GROUP :
1356 NL80211_KEYTYPE_PAIRWISE), keyid, NULL,
1360 static int ath6kl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1362 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
1363 struct ath6kl_vif *vif;
1366 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: changed 0x%x\n", __func__,
1369 vif = ath6kl_vif_first(ar);
1373 if (!ath6kl_cfg80211_ready(vif))
1376 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1377 ret = ath6kl_wmi_set_rts_cmd(ar->wmi, wiphy->rts_threshold);
1379 ath6kl_err("ath6kl_wmi_set_rts_cmd failed\n");
1388 * The type nl80211_tx_power_setting replaces the following
1389 * data type from 2.6.36 onwards
1391 static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy,
1392 enum nl80211_tx_power_setting type,
1395 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
1396 struct ath6kl_vif *vif;
1397 int dbm = MBM_TO_DBM(mbm);
1399 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x, dbm %d\n", __func__,
1402 vif = ath6kl_vif_first(ar);
1406 if (!ath6kl_cfg80211_ready(vif))
1410 case NL80211_TX_POWER_AUTOMATIC:
1412 case NL80211_TX_POWER_LIMITED:
1416 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x not supported\n",
1421 ath6kl_wmi_set_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx, dbm);
1426 static int ath6kl_cfg80211_get_txpower(struct wiphy *wiphy, int *dbm)
1428 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
1429 struct ath6kl_vif *vif;
1431 vif = ath6kl_vif_first(ar);
1435 if (!ath6kl_cfg80211_ready(vif))
1438 if (test_bit(CONNECTED, &vif->flags)) {
1441 if (ath6kl_wmi_get_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx) != 0) {
1442 ath6kl_err("ath6kl_wmi_get_tx_pwr_cmd failed\n");
1446 wait_event_interruptible_timeout(ar->event_wq, ar->tx_pwr != 0,
1449 if (signal_pending(current)) {
1450 ath6kl_err("target did not respond\n");
1459 static int ath6kl_cfg80211_set_power_mgmt(struct wiphy *wiphy,
1460 struct net_device *dev,
1461 bool pmgmt, int timeout)
1463 struct ath6kl *ar = ath6kl_priv(dev);
1464 struct wmi_power_mode_cmd mode;
1465 struct ath6kl_vif *vif = netdev_priv(dev);
1467 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: pmgmt %d, timeout %d\n",
1468 __func__, pmgmt, timeout);
1470 if (!ath6kl_cfg80211_ready(vif))
1474 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: max perf\n", __func__);
1475 mode.pwr_mode = REC_POWER;
1477 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: rec power\n", __func__);
1478 mode.pwr_mode = MAX_PERF_POWER;
1481 if (ath6kl_wmi_powermode_cmd(ar->wmi, vif->fw_vif_idx,
1482 mode.pwr_mode) != 0) {
1483 ath6kl_err("wmi_powermode_cmd failed\n");
1490 static struct net_device *ath6kl_cfg80211_add_iface(struct wiphy *wiphy,
1492 enum nl80211_iftype type,
1494 struct vif_params *params)
1496 struct ath6kl *ar = wiphy_priv(wiphy);
1497 struct net_device *ndev;
1500 if (ar->num_vif == ar->vif_max) {
1501 ath6kl_err("Reached maximum number of supported vif\n");
1502 return ERR_PTR(-EINVAL);
1505 if (!ath6kl_is_valid_iftype(ar, type, &if_idx, &nw_type)) {
1506 ath6kl_err("Not a supported interface type\n");
1507 return ERR_PTR(-EINVAL);
1510 ndev = ath6kl_interface_add(ar, name, type, if_idx, nw_type);
1512 return ERR_PTR(-ENOMEM);
1519 static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy,
1520 struct net_device *ndev)
1522 struct ath6kl *ar = wiphy_priv(wiphy);
1523 struct ath6kl_vif *vif = netdev_priv(ndev);
1525 spin_lock_bh(&ar->list_lock);
1526 list_del(&vif->list);
1527 spin_unlock_bh(&ar->list_lock);
1529 ath6kl_cleanup_vif(vif, test_bit(WMI_READY, &ar->flag));
1531 ath6kl_cfg80211_vif_cleanup(vif);
1536 static int ath6kl_cfg80211_change_iface(struct wiphy *wiphy,
1537 struct net_device *ndev,
1538 enum nl80211_iftype type, u32 *flags,
1539 struct vif_params *params)
1541 struct ath6kl_vif *vif = netdev_priv(ndev);
1544 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type %u\n", __func__, type);
1547 * Don't bring up p2p on an interface which is not initialized
1548 * for p2p operation where fw does not have capability to switch
1549 * dynamically between non-p2p and p2p type interface.
1551 if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
1552 vif->ar->fw_capabilities) &&
1553 (type == NL80211_IFTYPE_P2P_CLIENT ||
1554 type == NL80211_IFTYPE_P2P_GO)) {
1555 if (vif->ar->vif_max == 1) {
1556 if (vif->fw_vif_idx != 0)
1559 goto set_iface_type;
1562 for (i = vif->ar->max_norm_iface; i < vif->ar->vif_max; i++) {
1563 if (i == vif->fw_vif_idx)
1567 if (i == vif->ar->vif_max) {
1568 ath6kl_err("Invalid interface to bring up P2P\n");
1573 /* need to clean up enhanced bmiss detection fw state */
1574 ath6kl_cfg80211_sta_bmiss_enhance(vif, false);
1578 case NL80211_IFTYPE_STATION:
1579 vif->next_mode = INFRA_NETWORK;
1581 case NL80211_IFTYPE_ADHOC:
1582 vif->next_mode = ADHOC_NETWORK;
1584 case NL80211_IFTYPE_AP:
1585 vif->next_mode = AP_NETWORK;
1587 case NL80211_IFTYPE_P2P_CLIENT:
1588 vif->next_mode = INFRA_NETWORK;
1590 case NL80211_IFTYPE_P2P_GO:
1591 vif->next_mode = AP_NETWORK;
1594 ath6kl_err("invalid interface type %u\n", type);
1598 vif->wdev.iftype = type;
1603 static int ath6kl_cfg80211_join_ibss(struct wiphy *wiphy,
1604 struct net_device *dev,
1605 struct cfg80211_ibss_params *ibss_param)
1607 struct ath6kl *ar = ath6kl_priv(dev);
1608 struct ath6kl_vif *vif = netdev_priv(dev);
1611 if (!ath6kl_cfg80211_ready(vif))
1614 vif->ssid_len = ibss_param->ssid_len;
1615 memcpy(vif->ssid, ibss_param->ssid, vif->ssid_len);
1617 if (ibss_param->channel)
1618 vif->ch_hint = ibss_param->channel->center_freq;
1620 if (ibss_param->channel_fixed) {
1622 * TODO: channel_fixed: The channel should be fixed, do not
1623 * search for IBSSs to join on other channels. Target
1624 * firmware does not support this feature, needs to be
1630 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
1631 if (ibss_param->bssid && !is_broadcast_ether_addr(ibss_param->bssid))
1632 memcpy(vif->req_bssid, ibss_param->bssid,
1633 sizeof(vif->req_bssid));
1635 ath6kl_set_wpa_version(vif, 0);
1637 status = ath6kl_set_auth_type(vif, NL80211_AUTHTYPE_OPEN_SYSTEM);
1641 if (ibss_param->privacy) {
1642 ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, true);
1643 ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, false);
1645 ath6kl_set_cipher(vif, 0, true);
1646 ath6kl_set_cipher(vif, 0, false);
1649 vif->nw_type = vif->next_mode;
1651 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1652 "%s: connect called with authmode %d dot11 auth %d"
1653 " PW crypto %d PW crypto len %d GRP crypto %d"
1654 " GRP crypto len %d channel hint %u\n",
1656 vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto,
1657 vif->prwise_crypto_len, vif->grp_crypto,
1658 vif->grp_crypto_len, vif->ch_hint);
1660 status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type,
1661 vif->dot11_auth_mode, vif->auth_mode,
1663 vif->prwise_crypto_len,
1664 vif->grp_crypto, vif->grp_crypto_len,
1665 vif->ssid_len, vif->ssid,
1666 vif->req_bssid, vif->ch_hint,
1667 ar->connect_ctrl_flags, SUBTYPE_NONE);
1668 set_bit(CONNECT_PEND, &vif->flags);
1673 static int ath6kl_cfg80211_leave_ibss(struct wiphy *wiphy,
1674 struct net_device *dev)
1676 struct ath6kl_vif *vif = netdev_priv(dev);
1678 if (!ath6kl_cfg80211_ready(vif))
1681 ath6kl_disconnect(vif);
1682 memset(vif->ssid, 0, sizeof(vif->ssid));
1688 static const u32 cipher_suites[] = {
1689 WLAN_CIPHER_SUITE_WEP40,
1690 WLAN_CIPHER_SUITE_WEP104,
1691 WLAN_CIPHER_SUITE_TKIP,
1692 WLAN_CIPHER_SUITE_CCMP,
1693 CCKM_KRK_CIPHER_SUITE,
1694 WLAN_CIPHER_SUITE_SMS4,
1697 static bool is_rate_legacy(s32 rate)
1699 static const s32 legacy[] = { 1000, 2000, 5500, 11000,
1700 6000, 9000, 12000, 18000, 24000,
1705 for (i = 0; i < ARRAY_SIZE(legacy); i++)
1706 if (rate == legacy[i])
1712 static bool is_rate_ht20(s32 rate, u8 *mcs, bool *sgi)
1714 static const s32 ht20[] = { 6500, 13000, 19500, 26000, 39000,
1715 52000, 58500, 65000, 72200
1719 for (i = 0; i < ARRAY_SIZE(ht20); i++) {
1720 if (rate == ht20[i]) {
1721 if (i == ARRAY_SIZE(ht20) - 1)
1722 /* last rate uses sgi */
1734 static bool is_rate_ht40(s32 rate, u8 *mcs, bool *sgi)
1736 static const s32 ht40[] = { 13500, 27000, 40500, 54000,
1737 81000, 108000, 121500, 135000,
1742 for (i = 0; i < ARRAY_SIZE(ht40); i++) {
1743 if (rate == ht40[i]) {
1744 if (i == ARRAY_SIZE(ht40) - 1)
1745 /* last rate uses sgi */
1758 static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev,
1759 u8 *mac, struct station_info *sinfo)
1761 struct ath6kl *ar = ath6kl_priv(dev);
1762 struct ath6kl_vif *vif = netdev_priv(dev);
1769 if (memcmp(mac, vif->bssid, ETH_ALEN) != 0)
1772 if (down_interruptible(&ar->sem))
1775 set_bit(STATS_UPDATE_PEND, &vif->flags);
1777 ret = ath6kl_wmi_get_stats_cmd(ar->wmi, vif->fw_vif_idx);
1784 left = wait_event_interruptible_timeout(ar->event_wq,
1785 !test_bit(STATS_UPDATE_PEND,
1796 if (vif->target_stats.rx_byte) {
1797 sinfo->rx_bytes = vif->target_stats.rx_byte;
1798 sinfo->filled |= STATION_INFO_RX_BYTES;
1799 sinfo->rx_packets = vif->target_stats.rx_pkt;
1800 sinfo->filled |= STATION_INFO_RX_PACKETS;
1803 if (vif->target_stats.tx_byte) {
1804 sinfo->tx_bytes = vif->target_stats.tx_byte;
1805 sinfo->filled |= STATION_INFO_TX_BYTES;
1806 sinfo->tx_packets = vif->target_stats.tx_pkt;
1807 sinfo->filled |= STATION_INFO_TX_PACKETS;
1810 sinfo->signal = vif->target_stats.cs_rssi;
1811 sinfo->filled |= STATION_INFO_SIGNAL;
1813 rate = vif->target_stats.tx_ucast_rate;
1815 if (is_rate_legacy(rate)) {
1816 sinfo->txrate.legacy = rate / 100;
1817 } else if (is_rate_ht20(rate, &mcs, &sgi)) {
1819 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
1820 sinfo->txrate.mcs = mcs - 1;
1822 sinfo->txrate.mcs = mcs;
1825 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
1826 } else if (is_rate_ht40(rate, &mcs, &sgi)) {
1828 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
1829 sinfo->txrate.mcs = mcs - 1;
1831 sinfo->txrate.mcs = mcs;
1834 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
1835 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
1837 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1838 "invalid rate from stats: %d\n", rate);
1839 ath6kl_debug_war(ar, ATH6KL_WAR_INVALID_RATE);
1843 sinfo->filled |= STATION_INFO_TX_BITRATE;
1845 if (test_bit(CONNECTED, &vif->flags) &&
1846 test_bit(DTIM_PERIOD_AVAIL, &vif->flags) &&
1847 vif->nw_type == INFRA_NETWORK) {
1848 sinfo->filled |= STATION_INFO_BSS_PARAM;
1849 sinfo->bss_param.flags = 0;
1850 sinfo->bss_param.dtim_period = vif->assoc_bss_dtim_period;
1851 sinfo->bss_param.beacon_interval = vif->assoc_bss_beacon_int;
1857 static int ath6kl_set_pmksa(struct wiphy *wiphy, struct net_device *netdev,
1858 struct cfg80211_pmksa *pmksa)
1860 struct ath6kl *ar = ath6kl_priv(netdev);
1861 struct ath6kl_vif *vif = netdev_priv(netdev);
1863 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid,
1864 pmksa->pmkid, true);
1867 static int ath6kl_del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
1868 struct cfg80211_pmksa *pmksa)
1870 struct ath6kl *ar = ath6kl_priv(netdev);
1871 struct ath6kl_vif *vif = netdev_priv(netdev);
1873 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid,
1874 pmksa->pmkid, false);
1877 static int ath6kl_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev)
1879 struct ath6kl *ar = ath6kl_priv(netdev);
1880 struct ath6kl_vif *vif = netdev_priv(netdev);
1882 if (test_bit(CONNECTED, &vif->flags))
1883 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx,
1884 vif->bssid, NULL, false);
1888 static int ath6kl_wow_usr(struct ath6kl *ar, struct ath6kl_vif *vif,
1889 struct cfg80211_wowlan *wow, u32 *filter)
1892 u8 mask[WOW_MASK_SIZE];
1895 /* Configure the patterns that we received from the user. */
1896 for (i = 0; i < wow->n_patterns; i++) {
1899 * Convert given nl80211 specific mask value to equivalent
1900 * driver specific mask value and send it to the chip along
1901 * with patterns. For example, If the mask value defined in
1902 * struct cfg80211_wowlan is 0xA (equivalent binary is 1010),
1903 * then equivalent driver specific mask value is
1904 * "0xFF 0x00 0xFF 0x00".
1906 memset(&mask, 0, sizeof(mask));
1907 for (pos = 0; pos < wow->patterns[i].pattern_len; pos++) {
1908 if (wow->patterns[i].mask[pos / 8] & (0x1 << (pos % 8)))
1912 * Note: Pattern's offset is not passed as part of wowlan
1913 * parameter from CFG layer. So it's always passed as ZERO
1914 * to the firmware. It means, given WOW patterns are always
1915 * matched from the first byte of received pkt in the firmware.
1917 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1918 vif->fw_vif_idx, WOW_LIST_ID,
1919 wow->patterns[i].pattern_len,
1920 0 /* pattern offset */,
1921 wow->patterns[i].pattern, mask);
1926 if (wow->disconnect)
1927 *filter |= WOW_FILTER_OPTION_NWK_DISASSOC;
1930 *filter |= WOW_FILTER_OPTION_MAGIC_PACKET;
1932 if (wow->gtk_rekey_failure)
1933 *filter |= WOW_FILTER_OPTION_GTK_ERROR;
1935 if (wow->eap_identity_req)
1936 *filter |= WOW_FILTER_OPTION_EAP_REQ;
1938 if (wow->four_way_handshake)
1939 *filter |= WOW_FILTER_OPTION_8021X_4WAYHS;
1944 static int ath6kl_wow_ap(struct ath6kl *ar, struct ath6kl_vif *vif)
1946 static const u8 unicst_pattern[] = { 0x00, 0x00, 0x00,
1947 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1948 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1950 static const u8 unicst_mask[] = { 0x01, 0x00, 0x00,
1951 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1952 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1954 u8 unicst_offset = 0;
1955 static const u8 arp_pattern[] = { 0x08, 0x06 };
1956 static const u8 arp_mask[] = { 0xff, 0xff };
1958 static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 };
1959 static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 };
1960 u8 discvr_offset = 38;
1961 static const u8 dhcp_pattern[] = { 0xff, 0xff, 0xff, 0xff,
1962 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1963 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00,
1964 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1965 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1966 0x00, 0x00, 0x00, 0x00, 0x00, 0x43 /* port 67 */ };
1967 static const u8 dhcp_mask[] = { 0xff, 0xff, 0xff, 0xff,
1968 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1969 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff,
1970 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1971 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1972 0x00, 0x00, 0x00, 0x00, 0xff, 0xff /* port 67 */ };
1976 /* Setup unicast IP, EAPOL-like and ARP pkt pattern */
1977 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1978 vif->fw_vif_idx, WOW_LIST_ID,
1979 sizeof(unicst_pattern), unicst_offset,
1980 unicst_pattern, unicst_mask);
1982 ath6kl_err("failed to add WOW unicast IP pattern\n");
1986 /* Setup all ARP pkt pattern */
1987 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1988 vif->fw_vif_idx, WOW_LIST_ID,
1989 sizeof(arp_pattern), arp_offset,
1990 arp_pattern, arp_mask);
1992 ath6kl_err("failed to add WOW ARP pattern\n");
1997 * Setup multicast pattern for mDNS 224.0.0.251,
1998 * SSDP 239.255.255.250 and LLMNR 224.0.0.252
2000 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2001 vif->fw_vif_idx, WOW_LIST_ID,
2002 sizeof(discvr_pattern), discvr_offset,
2003 discvr_pattern, discvr_mask);
2005 ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n");
2009 /* Setup all DHCP broadcast pkt pattern */
2010 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2011 vif->fw_vif_idx, WOW_LIST_ID,
2012 sizeof(dhcp_pattern), dhcp_offset,
2013 dhcp_pattern, dhcp_mask);
2015 ath6kl_err("failed to add WOW DHCP broadcast pattern\n");
2022 static int ath6kl_wow_sta(struct ath6kl *ar, struct ath6kl_vif *vif)
2024 struct net_device *ndev = vif->ndev;
2025 static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 };
2026 static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 };
2027 u8 discvr_offset = 38;
2028 u8 mac_mask[ETH_ALEN];
2031 /* Setup unicast pkt pattern */
2032 memset(mac_mask, 0xff, ETH_ALEN);
2033 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2034 vif->fw_vif_idx, WOW_LIST_ID,
2035 ETH_ALEN, 0, ndev->dev_addr,
2038 ath6kl_err("failed to add WOW unicast pattern\n");
2043 * Setup multicast pattern for mDNS 224.0.0.251,
2044 * SSDP 239.255.255.250 and LLMNR 224.0.0.252
2046 if ((ndev->flags & IFF_ALLMULTI) ||
2047 (ndev->flags & IFF_MULTICAST && netdev_mc_count(ndev) > 0)) {
2048 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2049 vif->fw_vif_idx, WOW_LIST_ID,
2050 sizeof(discvr_pattern), discvr_offset,
2051 discvr_pattern, discvr_mask);
2053 ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n");
2061 static int is_hsleep_mode_procsed(struct ath6kl_vif *vif)
2063 return test_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2066 static bool is_ctrl_ep_empty(struct ath6kl *ar)
2068 return !ar->tx_pending[ar->ctrl_ep];
2071 static int ath6kl_cfg80211_host_sleep(struct ath6kl *ar, struct ath6kl_vif *vif)
2075 clear_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2077 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2078 ATH6KL_HOST_MODE_ASLEEP);
2082 left = wait_event_interruptible_timeout(ar->event_wq,
2083 is_hsleep_mode_procsed(vif),
2086 ath6kl_warn("timeout, didn't get host sleep cmd processed event\n");
2088 } else if (left < 0) {
2089 ath6kl_warn("error while waiting for host sleep cmd processed event %d\n",
2094 if (ar->tx_pending[ar->ctrl_ep]) {
2095 left = wait_event_interruptible_timeout(ar->event_wq,
2096 is_ctrl_ep_empty(ar),
2099 ath6kl_warn("clear wmi ctrl data timeout\n");
2101 } else if (left < 0) {
2102 ath6kl_warn("clear wmi ctrl data failed: %d\n", left);
2110 static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow)
2112 struct in_device *in_dev;
2113 struct in_ifaddr *ifa;
2114 struct ath6kl_vif *vif;
2119 __be32 ips[MAX_IP_ADDRS];
2121 /* The FW currently can't support multi-vif WoW properly. */
2122 if (ar->num_vif > 1)
2125 vif = ath6kl_vif_first(ar);
2129 if (!ath6kl_cfg80211_ready(vif))
2132 if (!test_bit(CONNECTED, &vif->flags))
2135 if (wow && (wow->n_patterns > WOW_MAX_FILTERS_PER_LIST))
2138 if (!test_bit(NETDEV_MCAST_ALL_ON, &vif->flags) &&
2139 test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER,
2140 ar->fw_capabilities)) {
2141 ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi,
2142 vif->fw_vif_idx, false);
2147 /* Clear existing WOW patterns */
2148 for (i = 0; i < WOW_MAX_FILTERS_PER_LIST; i++)
2149 ath6kl_wmi_del_wow_pattern_cmd(ar->wmi, vif->fw_vif_idx,
2153 * Skip the default WOW pattern configuration
2154 * if the driver receives any WOW patterns from
2158 ret = ath6kl_wow_usr(ar, vif, wow, &filter);
2159 else if (vif->nw_type == AP_NETWORK)
2160 ret = ath6kl_wow_ap(ar, vif);
2162 ret = ath6kl_wow_sta(ar, vif);
2167 netif_stop_queue(vif->ndev);
2169 if (vif->nw_type != AP_NETWORK) {
2170 ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
2171 ATH6KL_MAX_WOW_LISTEN_INTL,
2176 /* Set listen interval x 15 times as bmiss time */
2177 bmiss_time = ATH6KL_MAX_WOW_LISTEN_INTL * 15;
2178 if (bmiss_time > ATH6KL_MAX_BMISS_TIME)
2179 bmiss_time = ATH6KL_MAX_BMISS_TIME;
2181 ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx,
2186 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2187 0xFFFF, 0, 0xFFFF, 0, 0, 0,
2193 ar->state = ATH6KL_STATE_SUSPENDING;
2195 /* Setup own IP addr for ARP agent. */
2196 in_dev = __in_dev_get_rtnl(vif->ndev);
2200 ifa = in_dev->ifa_list;
2201 memset(&ips, 0, sizeof(ips));
2203 /* Configure IP addr only if IP address count < MAX_IP_ADDRS */
2204 while (index < MAX_IP_ADDRS && ifa) {
2205 ips[index] = ifa->ifa_local;
2206 ifa = ifa->ifa_next;
2211 ath6kl_err("total IP addr count is exceeding fw limit\n");
2215 ret = ath6kl_wmi_set_ip_cmd(ar->wmi, vif->fw_vif_idx, ips[0], ips[1]);
2217 ath6kl_err("fail to setup ip for arp agent\n");
2222 ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx,
2223 ATH6KL_WOW_MODE_ENABLE,
2225 WOW_HOST_REQ_DELAY);
2229 ret = ath6kl_cfg80211_host_sleep(ar, vif);
2236 static int ath6kl_wow_resume(struct ath6kl *ar)
2238 struct ath6kl_vif *vif;
2241 vif = ath6kl_vif_first(ar);
2245 ar->state = ATH6KL_STATE_RESUMING;
2247 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2248 ATH6KL_HOST_MODE_AWAKE);
2250 ath6kl_warn("Failed to configure host sleep mode for wow resume: %d\n",
2252 ar->state = ATH6KL_STATE_WOW;
2256 if (vif->nw_type != AP_NETWORK) {
2257 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2258 0, 0, 0, 0, 0, 0, 3, 0, 0, 0);
2262 ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
2263 vif->listen_intvl_t, 0);
2267 ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx,
2268 vif->bmiss_time_t, 0);
2273 ar->state = ATH6KL_STATE_ON;
2275 if (!test_bit(NETDEV_MCAST_ALL_OFF, &vif->flags) &&
2276 test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER,
2277 ar->fw_capabilities)) {
2278 ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi,
2279 vif->fw_vif_idx, true);
2284 netif_wake_queue(vif->ndev);
2289 static int ath6kl_cfg80211_deepsleep_suspend(struct ath6kl *ar)
2291 struct ath6kl_vif *vif;
2294 vif = ath6kl_vif_first(ar);
2298 if (!test_bit(WMI_READY, &ar->flag)) {
2299 ath6kl_err("deepsleep failed as wmi is not ready\n");
2303 ath6kl_cfg80211_stop_all(ar);
2305 /* Save the current power mode before enabling power save */
2306 ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode;
2308 ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER);
2312 /* Disable WOW mode */
2313 ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx,
2314 ATH6KL_WOW_MODE_DISABLE,
2319 /* Flush all non control pkts in TX path */
2320 ath6kl_tx_data_cleanup(ar);
2322 ret = ath6kl_cfg80211_host_sleep(ar, vif);
2329 static int ath6kl_cfg80211_deepsleep_resume(struct ath6kl *ar)
2331 struct ath6kl_vif *vif;
2334 vif = ath6kl_vif_first(ar);
2339 if (ar->wmi->pwr_mode != ar->wmi->saved_pwr_mode) {
2340 ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0,
2341 ar->wmi->saved_pwr_mode);
2346 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2347 ATH6KL_HOST_MODE_AWAKE);
2351 ar->state = ATH6KL_STATE_ON;
2353 /* Reset scan parameter to default values */
2354 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2355 0, 0, 0, 0, 0, 0, 3, 0, 0, 0);
2362 int ath6kl_cfg80211_suspend(struct ath6kl *ar,
2363 enum ath6kl_cfg_suspend_mode mode,
2364 struct cfg80211_wowlan *wow)
2366 struct ath6kl_vif *vif;
2367 enum ath6kl_state prev_state;
2371 case ATH6KL_CFG_SUSPEND_WOW:
2373 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode suspend\n");
2375 /* Flush all non control pkts in TX path */
2376 ath6kl_tx_data_cleanup(ar);
2378 prev_state = ar->state;
2380 ret = ath6kl_wow_suspend(ar, wow);
2382 ar->state = prev_state;
2386 ar->state = ATH6KL_STATE_WOW;
2389 case ATH6KL_CFG_SUSPEND_DEEPSLEEP:
2391 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep suspend\n");
2393 ret = ath6kl_cfg80211_deepsleep_suspend(ar);
2395 ath6kl_err("deepsleep suspend failed: %d\n", ret);
2399 ar->state = ATH6KL_STATE_DEEPSLEEP;
2403 case ATH6KL_CFG_SUSPEND_CUTPOWER:
2405 ath6kl_cfg80211_stop_all(ar);
2407 if (ar->state == ATH6KL_STATE_OFF) {
2408 ath6kl_dbg(ATH6KL_DBG_SUSPEND,
2409 "suspend hw off, no action for cutpower\n");
2413 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "suspend cutting power\n");
2415 ret = ath6kl_init_hw_stop(ar);
2417 ath6kl_warn("failed to stop hw during suspend: %d\n",
2421 ar->state = ATH6KL_STATE_CUTPOWER;
2425 case ATH6KL_CFG_SUSPEND_SCHED_SCAN:
2427 * Nothing needed for schedule scan, firmware is already in
2428 * wow mode and sleeping most of the time.
2436 list_for_each_entry(vif, &ar->vif_list, list)
2437 ath6kl_cfg80211_scan_complete_event(vif, true);
2441 EXPORT_SYMBOL(ath6kl_cfg80211_suspend);
2443 int ath6kl_cfg80211_resume(struct ath6kl *ar)
2447 switch (ar->state) {
2448 case ATH6KL_STATE_WOW:
2449 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode resume\n");
2451 ret = ath6kl_wow_resume(ar);
2453 ath6kl_warn("wow mode resume failed: %d\n", ret);
2459 case ATH6KL_STATE_DEEPSLEEP:
2460 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep resume\n");
2462 ret = ath6kl_cfg80211_deepsleep_resume(ar);
2464 ath6kl_warn("deep sleep resume failed: %d\n", ret);
2469 case ATH6KL_STATE_CUTPOWER:
2470 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "resume restoring power\n");
2472 ret = ath6kl_init_hw_start(ar);
2474 ath6kl_warn("Failed to boot hw in resume: %d\n", ret);
2479 case ATH6KL_STATE_SCHED_SCAN:
2488 EXPORT_SYMBOL(ath6kl_cfg80211_resume);
2492 /* hif layer decides what suspend mode to use */
2493 static int __ath6kl_cfg80211_suspend(struct wiphy *wiphy,
2494 struct cfg80211_wowlan *wow)
2496 struct ath6kl *ar = wiphy_priv(wiphy);
2498 return ath6kl_hif_suspend(ar, wow);
2501 static int __ath6kl_cfg80211_resume(struct wiphy *wiphy)
2503 struct ath6kl *ar = wiphy_priv(wiphy);
2505 return ath6kl_hif_resume(ar);
2509 * FIXME: WOW suspend mode is selected if the host sdio controller supports
2510 * both sdio irq wake up and keep power. The target pulls sdio data line to
2511 * wake up the host when WOW pattern matches. This causes sdio irq handler
2512 * is being called in the host side which internally hits ath6kl's RX path.
2514 * Since sdio interrupt is not disabled, RX path executes even before
2515 * the host executes the actual resume operation from PM module.
2517 * In the current scenario, WOW resume should happen before start processing
2518 * any data from the target. So It's required to perform WOW resume in RX path.
2519 * Ideally we should perform WOW resume only in the actual platform
2520 * resume path. This area needs bit rework to avoid WOW resume in RX path.
2522 * ath6kl_check_wow_status() is called from ath6kl_rx().
2524 void ath6kl_check_wow_status(struct ath6kl *ar)
2526 if (ar->state == ATH6KL_STATE_SUSPENDING)
2529 if (ar->state == ATH6KL_STATE_WOW)
2530 ath6kl_cfg80211_resume(ar);
2535 void ath6kl_check_wow_status(struct ath6kl *ar)
2540 static int ath6kl_set_htcap(struct ath6kl_vif *vif, enum ieee80211_band band,
2543 struct ath6kl_htcap *htcap = &vif->htcap[band];
2545 if (htcap->ht_enable == ht_enable)
2549 /* Set default ht capabilities */
2550 htcap->ht_enable = true;
2551 htcap->cap_info = (band == IEEE80211_BAND_2GHZ) ?
2552 ath6kl_g_htcap : ath6kl_a_htcap;
2553 htcap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K;
2554 } else /* Disable ht */
2555 memset(htcap, 0, sizeof(*htcap));
2557 return ath6kl_wmi_set_htcap_cmd(vif->ar->wmi, vif->fw_vif_idx,
2561 static int ath6kl_restore_htcap(struct ath6kl_vif *vif)
2563 struct wiphy *wiphy = vif->ar->wiphy;
2566 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2567 if (!wiphy->bands[band])
2570 ret = ath6kl_set_htcap(vif, band,
2571 wiphy->bands[band]->ht_cap.ht_supported);
2579 static bool ath6kl_is_p2p_ie(const u8 *pos)
2581 return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 &&
2582 pos[2] == 0x50 && pos[3] == 0x6f &&
2583 pos[4] == 0x9a && pos[5] == 0x09;
2586 static int ath6kl_set_ap_probe_resp_ies(struct ath6kl_vif *vif,
2587 const u8 *ies, size_t ies_len)
2589 struct ath6kl *ar = vif->ar;
2596 * Filter out P2P IE(s) since they will be included depending on
2597 * the Probe Request frame in ath6kl_send_go_probe_resp().
2600 if (ies && ies_len) {
2601 buf = kmalloc(ies_len, GFP_KERNEL);
2605 while (pos + 1 < ies + ies_len) {
2606 if (pos + 2 + pos[1] > ies + ies_len)
2608 if (!ath6kl_is_p2p_ie(pos)) {
2609 memcpy(buf + len, pos, 2 + pos[1]);
2616 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2617 WMI_FRAME_PROBE_RESP, buf, len);
2622 static int ath6kl_set_ies(struct ath6kl_vif *vif,
2623 struct cfg80211_beacon_data *info)
2625 struct ath6kl *ar = vif->ar;
2628 /* this also clears IE in fw if it's not set */
2629 res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2632 info->beacon_ies_len);
2636 /* this also clears IE in fw if it's not set */
2637 res = ath6kl_set_ap_probe_resp_ies(vif, info->proberesp_ies,
2638 info->proberesp_ies_len);
2642 /* this also clears IE in fw if it's not set */
2643 res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2644 WMI_FRAME_ASSOC_RESP,
2645 info->assocresp_ies,
2646 info->assocresp_ies_len);
2653 void ath6kl_cfg80211_sta_bmiss_enhance(struct ath6kl_vif *vif, bool enable)
2657 if (WARN_ON(!test_bit(WMI_READY, &vif->ar->flag)))
2660 if (vif->nw_type != INFRA_NETWORK)
2663 if (!test_bit(ATH6KL_FW_CAPABILITY_BMISS_ENHANCE,
2664 vif->ar->fw_capabilities))
2667 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s fw bmiss enhance\n",
2668 enable ? "enable" : "disable");
2670 err = ath6kl_wmi_sta_bmiss_enhance_cmd(vif->ar->wmi,
2671 vif->fw_vif_idx, enable);
2673 ath6kl_err("failed to %s enhanced bmiss detection: %d\n",
2674 enable ? "enable" : "disable", err);
2677 static int ath6kl_get_rsn_capab(struct cfg80211_beacon_data *beacon,
2687 rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, beacon->tail, beacon->tail_len);
2691 rsn_ie_len = *(rsn_ie + 1);
2692 /* skip element id and length */
2701 /* skip group cipher suite */
2707 /* skip pairwise cipher suite */
2710 cnt = get_unaligned_le16(rsn_ie);
2711 rsn_ie += (2 + cnt * 4);
2712 rsn_ie_len -= (2 + cnt * 4);
2714 /* skip akm suite */
2717 cnt = get_unaligned_le16(rsn_ie);
2718 rsn_ie += (2 + cnt * 4);
2719 rsn_ie_len -= (2 + cnt * 4);
2724 memcpy(rsn_capab, rsn_ie, 2);
2729 static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev,
2730 struct cfg80211_ap_settings *info)
2732 struct ath6kl *ar = ath6kl_priv(dev);
2733 struct ath6kl_vif *vif = netdev_priv(dev);
2734 struct ieee80211_mgmt *mgmt;
2735 bool hidden = false;
2738 struct wmi_connect_cmd p;
2743 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s:\n", __func__);
2745 if (!ath6kl_cfg80211_ready(vif))
2748 if (vif->next_mode != AP_NETWORK)
2751 res = ath6kl_set_ies(vif, &info->beacon);
2753 ar->ap_mode_bkey.valid = false;
2759 ret = ath6kl_wmi_ap_set_dtim_cmd(ar->wmi, vif->fw_vif_idx,
2762 /* ignore error, just print a warning and continue normally */
2764 ath6kl_warn("Failed to set dtim_period in beacon: %d\n", ret);
2766 if (info->beacon.head == NULL)
2768 mgmt = (struct ieee80211_mgmt *) info->beacon.head;
2769 ies = mgmt->u.beacon.variable;
2770 if (ies > info->beacon.head + info->beacon.head_len)
2772 ies_len = info->beacon.head + info->beacon.head_len - ies;
2774 if (info->ssid == NULL)
2776 memcpy(vif->ssid, info->ssid, info->ssid_len);
2777 vif->ssid_len = info->ssid_len;
2778 if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE)
2781 res = ath6kl_wmi_ap_hidden_ssid(ar->wmi, vif->fw_vif_idx, hidden);
2785 ret = ath6kl_set_auth_type(vif, info->auth_type);
2789 memset(&p, 0, sizeof(p));
2791 for (i = 0; i < info->crypto.n_akm_suites; i++) {
2792 switch (info->crypto.akm_suites[i]) {
2793 case WLAN_AKM_SUITE_8021X:
2794 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1)
2795 p.auth_mode |= WPA_AUTH;
2796 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2)
2797 p.auth_mode |= WPA2_AUTH;
2799 case WLAN_AKM_SUITE_PSK:
2800 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1)
2801 p.auth_mode |= WPA_PSK_AUTH;
2802 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2)
2803 p.auth_mode |= WPA2_PSK_AUTH;
2807 if (p.auth_mode == 0)
2808 p.auth_mode = NONE_AUTH;
2809 vif->auth_mode = p.auth_mode;
2811 for (i = 0; i < info->crypto.n_ciphers_pairwise; i++) {
2812 switch (info->crypto.ciphers_pairwise[i]) {
2813 case WLAN_CIPHER_SUITE_WEP40:
2814 case WLAN_CIPHER_SUITE_WEP104:
2815 p.prwise_crypto_type |= WEP_CRYPT;
2817 case WLAN_CIPHER_SUITE_TKIP:
2818 p.prwise_crypto_type |= TKIP_CRYPT;
2820 case WLAN_CIPHER_SUITE_CCMP:
2821 p.prwise_crypto_type |= AES_CRYPT;
2823 case WLAN_CIPHER_SUITE_SMS4:
2824 p.prwise_crypto_type |= WAPI_CRYPT;
2828 if (p.prwise_crypto_type == 0) {
2829 p.prwise_crypto_type = NONE_CRYPT;
2830 ath6kl_set_cipher(vif, 0, true);
2831 } else if (info->crypto.n_ciphers_pairwise == 1)
2832 ath6kl_set_cipher(vif, info->crypto.ciphers_pairwise[0], true);
2834 switch (info->crypto.cipher_group) {
2835 case WLAN_CIPHER_SUITE_WEP40:
2836 case WLAN_CIPHER_SUITE_WEP104:
2837 p.grp_crypto_type = WEP_CRYPT;
2839 case WLAN_CIPHER_SUITE_TKIP:
2840 p.grp_crypto_type = TKIP_CRYPT;
2842 case WLAN_CIPHER_SUITE_CCMP:
2843 p.grp_crypto_type = AES_CRYPT;
2845 case WLAN_CIPHER_SUITE_SMS4:
2846 p.grp_crypto_type = WAPI_CRYPT;
2849 p.grp_crypto_type = NONE_CRYPT;
2852 ath6kl_set_cipher(vif, info->crypto.cipher_group, false);
2854 p.nw_type = AP_NETWORK;
2855 vif->nw_type = vif->next_mode;
2857 p.ssid_len = vif->ssid_len;
2858 memcpy(p.ssid, vif->ssid, vif->ssid_len);
2859 p.dot11_auth_mode = vif->dot11_auth_mode;
2860 p.ch = cpu_to_le16(info->channel->center_freq);
2862 /* Enable uAPSD support by default */
2863 res = ath6kl_wmi_ap_set_apsd(ar->wmi, vif->fw_vif_idx, true);
2867 if (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) {
2868 p.nw_subtype = SUBTYPE_P2PGO;
2871 * Due to firmware limitation, it is not possible to
2872 * do P2P mgmt operations in AP mode
2874 p.nw_subtype = SUBTYPE_NONE;
2877 if (info->inactivity_timeout) {
2878 res = ath6kl_wmi_set_inact_period(ar->wmi, vif->fw_vif_idx,
2879 info->inactivity_timeout);
2884 if (ath6kl_set_htcap(vif, info->channel->band,
2885 info->channel_type != NL80211_CHAN_NO_HT))
2889 * Get the PTKSA replay counter in the RSN IE. Supplicant
2890 * will use the RSN IE in M3 message and firmware has to
2891 * advertise the same in beacon/probe response. Send
2892 * the complete RSN IE capability field to firmware
2894 if (!ath6kl_get_rsn_capab(&info->beacon, (u8 *) &rsn_capab) &&
2895 test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE,
2896 ar->fw_capabilities)) {
2897 res = ath6kl_wmi_set_ie_cmd(ar->wmi, vif->fw_vif_idx,
2898 WLAN_EID_RSN, WMI_RSN_IE_CAPB,
2899 (const u8 *) &rsn_capab,
2905 memcpy(&vif->profile, &p, sizeof(p));
2906 res = ath6kl_wmi_ap_profile_commit(ar->wmi, vif->fw_vif_idx, &p);
2913 static int ath6kl_change_beacon(struct wiphy *wiphy, struct net_device *dev,
2914 struct cfg80211_beacon_data *beacon)
2916 struct ath6kl_vif *vif = netdev_priv(dev);
2918 if (!ath6kl_cfg80211_ready(vif))
2921 if (vif->next_mode != AP_NETWORK)
2924 return ath6kl_set_ies(vif, beacon);
2927 static int ath6kl_stop_ap(struct wiphy *wiphy, struct net_device *dev)
2929 struct ath6kl *ar = ath6kl_priv(dev);
2930 struct ath6kl_vif *vif = netdev_priv(dev);
2932 if (vif->nw_type != AP_NETWORK)
2934 if (!test_bit(CONNECTED, &vif->flags))
2937 ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx);
2938 clear_bit(CONNECTED, &vif->flags);
2940 /* Restore ht setting in firmware */
2941 return ath6kl_restore_htcap(vif);
2944 static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
2946 static int ath6kl_del_station(struct wiphy *wiphy, struct net_device *dev,
2949 struct ath6kl *ar = ath6kl_priv(dev);
2950 struct ath6kl_vif *vif = netdev_priv(dev);
2951 const u8 *addr = mac ? mac : bcast_addr;
2953 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, WMI_AP_DEAUTH,
2954 addr, WLAN_REASON_PREV_AUTH_NOT_VALID);
2957 static int ath6kl_change_station(struct wiphy *wiphy, struct net_device *dev,
2958 u8 *mac, struct station_parameters *params)
2960 struct ath6kl *ar = ath6kl_priv(dev);
2961 struct ath6kl_vif *vif = netdev_priv(dev);
2963 if (vif->nw_type != AP_NETWORK)
2966 /* Use this only for authorizing/unauthorizing a station */
2967 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
2970 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED))
2971 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx,
2972 WMI_AP_MLME_AUTHORIZE, mac, 0);
2973 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx,
2974 WMI_AP_MLME_UNAUTHORIZE, mac, 0);
2977 static int ath6kl_remain_on_channel(struct wiphy *wiphy,
2978 struct net_device *dev,
2979 struct ieee80211_channel *chan,
2980 enum nl80211_channel_type channel_type,
2981 unsigned int duration,
2984 struct ath6kl *ar = ath6kl_priv(dev);
2985 struct ath6kl_vif *vif = netdev_priv(dev);
2988 /* TODO: if already pending or ongoing remain-on-channel,
2990 id = ++vif->last_roc_id;
2992 /* Do not use 0 as the cookie value */
2993 id = ++vif->last_roc_id;
2997 return ath6kl_wmi_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx,
2998 chan->center_freq, duration);
3001 static int ath6kl_cancel_remain_on_channel(struct wiphy *wiphy,
3002 struct net_device *dev,
3005 struct ath6kl *ar = ath6kl_priv(dev);
3006 struct ath6kl_vif *vif = netdev_priv(dev);
3008 if (cookie != vif->last_roc_id)
3010 vif->last_cancel_roc_id = cookie;
3012 return ath6kl_wmi_cancel_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx);
3015 static int ath6kl_send_go_probe_resp(struct ath6kl_vif *vif,
3016 const u8 *buf, size_t len,
3019 struct ath6kl *ar = vif->ar;
3024 const struct ieee80211_mgmt *mgmt;
3026 mgmt = (const struct ieee80211_mgmt *) buf;
3028 /* Include P2P IE(s) from the frame generated in user space. */
3030 p2p = kmalloc(len, GFP_KERNEL);
3035 pos = mgmt->u.probe_resp.variable;
3036 while (pos + 1 < buf + len) {
3037 if (pos + 2 + pos[1] > buf + len)
3039 if (ath6kl_is_p2p_ie(pos)) {
3040 memcpy(p2p + p2p_len, pos, 2 + pos[1]);
3041 p2p_len += 2 + pos[1];
3046 ret = ath6kl_wmi_send_probe_response_cmd(ar->wmi, vif->fw_vif_idx, freq,
3047 mgmt->da, p2p, p2p_len);
3052 static bool ath6kl_mgmt_powersave_ap(struct ath6kl_vif *vif,
3061 struct ieee80211_mgmt *mgmt;
3062 struct ath6kl_sta *conn;
3063 bool is_psq_empty = false;
3064 struct ath6kl_mgmt_buff *mgmt_buf;
3065 size_t mgmt_buf_size;
3066 struct ath6kl *ar = vif->ar;
3068 mgmt = (struct ieee80211_mgmt *) buf;
3069 if (is_multicast_ether_addr(mgmt->da))
3072 conn = ath6kl_find_sta(vif, mgmt->da);
3076 if (conn->sta_flags & STA_PS_SLEEP) {
3077 if (!(conn->sta_flags & STA_PS_POLLED)) {
3078 /* Queue the frames if the STA is sleeping */
3079 mgmt_buf_size = len + sizeof(struct ath6kl_mgmt_buff);
3080 mgmt_buf = kmalloc(mgmt_buf_size, GFP_KERNEL);
3084 INIT_LIST_HEAD(&mgmt_buf->list);
3086 mgmt_buf->freq = freq;
3087 mgmt_buf->wait = wait;
3088 mgmt_buf->len = len;
3089 mgmt_buf->no_cck = no_cck;
3090 memcpy(mgmt_buf->buf, buf, len);
3091 spin_lock_bh(&conn->psq_lock);
3092 is_psq_empty = skb_queue_empty(&conn->psq) &&
3093 (conn->mgmt_psq_len == 0);
3094 list_add_tail(&mgmt_buf->list, &conn->mgmt_psq);
3095 conn->mgmt_psq_len++;
3096 spin_unlock_bh(&conn->psq_lock);
3099 * If this is the first pkt getting queued
3100 * for this STA, update the PVB for this
3104 ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx,
3110 * This tx is because of a PsPoll.
3111 * Determine if MoreData bit has to be set.
3113 spin_lock_bh(&conn->psq_lock);
3114 if (!skb_queue_empty(&conn->psq) || (conn->mgmt_psq_len != 0))
3116 spin_unlock_bh(&conn->psq_lock);
3122 /* Check if SSID length is greater than DIRECT- */
3123 static bool ath6kl_is_p2p_go_ssid(const u8 *buf, size_t len)
3125 const struct ieee80211_mgmt *mgmt;
3126 mgmt = (const struct ieee80211_mgmt *) buf;
3128 /* variable[1] contains the SSID tag length */
3129 if (buf + len >= &mgmt->u.probe_resp.variable[1] &&
3130 (mgmt->u.probe_resp.variable[1] > P2P_WILDCARD_SSID_LEN)) {
3137 static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
3138 struct ieee80211_channel *chan, bool offchan,
3139 enum nl80211_channel_type channel_type,
3140 bool channel_type_valid, unsigned int wait,
3141 const u8 *buf, size_t len, bool no_cck,
3142 bool dont_wait_for_ack, u64 *cookie)
3144 struct ath6kl *ar = ath6kl_priv(dev);
3145 struct ath6kl_vif *vif = netdev_priv(dev);
3147 const struct ieee80211_mgmt *mgmt;
3148 bool more_data, queued;
3150 mgmt = (const struct ieee80211_mgmt *) buf;
3151 if (vif->nw_type == AP_NETWORK && test_bit(CONNECTED, &vif->flags) &&
3152 ieee80211_is_probe_resp(mgmt->frame_control) &&
3153 ath6kl_is_p2p_go_ssid(buf, len)) {
3155 * Send Probe Response frame in GO mode using a separate WMI
3156 * command to allow the target to fill in the generic IEs.
3158 *cookie = 0; /* TX status not supported */
3159 return ath6kl_send_go_probe_resp(vif, buf, len,
3163 id = vif->send_action_id++;
3166 * 0 is a reserved value in the WMI command and shall not be
3167 * used for the command.
3169 id = vif->send_action_id++;
3174 /* AP mode Power saving processing */
3175 if (vif->nw_type == AP_NETWORK) {
3176 queued = ath6kl_mgmt_powersave_ap(vif,
3177 id, chan->center_freq,
3179 len, &more_data, no_cck);
3184 return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id,
3185 chan->center_freq, wait,
3189 static void ath6kl_mgmt_frame_register(struct wiphy *wiphy,
3190 struct net_device *dev,
3191 u16 frame_type, bool reg)
3193 struct ath6kl_vif *vif = netdev_priv(dev);
3195 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: frame_type=0x%x reg=%d\n",
3196 __func__, frame_type, reg);
3197 if (frame_type == IEEE80211_STYPE_PROBE_REQ) {
3199 * Note: This notification callback is not allowed to sleep, so
3200 * we cannot send WMI_PROBE_REQ_REPORT_CMD here. Instead, we
3201 * hardcode target to report Probe Request frames all the time.
3203 vif->probe_req_report = reg;
3207 static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy,
3208 struct net_device *dev,
3209 struct cfg80211_sched_scan_request *request)
3211 struct ath6kl *ar = ath6kl_priv(dev);
3212 struct ath6kl_vif *vif = netdev_priv(dev);
3216 if (ar->state != ATH6KL_STATE_ON)
3219 if (vif->sme_state != SME_DISCONNECTED)
3222 /* The FW currently can't support multi-vif WoW properly. */
3223 if (ar->num_vif > 1)
3226 ath6kl_cfg80211_scan_complete_event(vif, true);
3228 ret = ath6kl_set_probed_ssids(ar, vif, request->ssids,
3230 request->match_sets,
3231 request->n_match_sets);
3235 if (!request->n_match_sets) {
3236 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
3241 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
3242 MATCHED_SSID_FILTER, 0);
3247 /* fw uses seconds, also make sure that it's >0 */
3248 interval = max_t(u16, 1, request->interval / 1000);
3250 ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
3252 vif->bg_scan_period, 0, 0, 0, 3, 0, 0, 0);
3254 ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx,
3255 ATH6KL_WOW_MODE_ENABLE,
3257 WOW_HOST_REQ_DELAY);
3259 ath6kl_warn("Failed to enable wow with ssid filter: %d\n", ret);
3263 /* this also clears IE in fw if it's not set */
3264 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
3265 WMI_FRAME_PROBE_REQ,
3266 request->ie, request->ie_len);
3268 ath6kl_warn("Failed to set probe request IE for scheduled scan: %d\n",
3273 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
3274 ATH6KL_HOST_MODE_ASLEEP);
3276 ath6kl_warn("Failed to enable host sleep mode for sched scan: %d\n",
3281 ar->state = ATH6KL_STATE_SCHED_SCAN;
3286 static int ath6kl_cfg80211_sscan_stop(struct wiphy *wiphy,
3287 struct net_device *dev)
3289 struct ath6kl_vif *vif = netdev_priv(dev);
3292 stopped = __ath6kl_cfg80211_sscan_stop(vif);
3300 static int ath6kl_cfg80211_set_bitrate(struct wiphy *wiphy,
3301 struct net_device *dev,
3303 const struct cfg80211_bitrate_mask *mask)
3305 struct ath6kl *ar = ath6kl_priv(dev);
3306 struct ath6kl_vif *vif = netdev_priv(dev);
3308 return ath6kl_wmi_set_bitrate_mask(ar->wmi, vif->fw_vif_idx,
3312 static const struct ieee80211_txrx_stypes
3313 ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = {
3314 [NL80211_IFTYPE_STATION] = {
3315 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3316 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3317 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3318 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3320 [NL80211_IFTYPE_AP] = {
3321 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3322 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3323 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3324 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3326 [NL80211_IFTYPE_P2P_CLIENT] = {
3327 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3328 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3329 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3330 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3332 [NL80211_IFTYPE_P2P_GO] = {
3333 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3334 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3335 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3336 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3340 static struct cfg80211_ops ath6kl_cfg80211_ops = {
3341 .add_virtual_intf = ath6kl_cfg80211_add_iface,
3342 .del_virtual_intf = ath6kl_cfg80211_del_iface,
3343 .change_virtual_intf = ath6kl_cfg80211_change_iface,
3344 .scan = ath6kl_cfg80211_scan,
3345 .connect = ath6kl_cfg80211_connect,
3346 .disconnect = ath6kl_cfg80211_disconnect,
3347 .add_key = ath6kl_cfg80211_add_key,
3348 .get_key = ath6kl_cfg80211_get_key,
3349 .del_key = ath6kl_cfg80211_del_key,
3350 .set_default_key = ath6kl_cfg80211_set_default_key,
3351 .set_wiphy_params = ath6kl_cfg80211_set_wiphy_params,
3352 .set_tx_power = ath6kl_cfg80211_set_txpower,
3353 .get_tx_power = ath6kl_cfg80211_get_txpower,
3354 .set_power_mgmt = ath6kl_cfg80211_set_power_mgmt,
3355 .join_ibss = ath6kl_cfg80211_join_ibss,
3356 .leave_ibss = ath6kl_cfg80211_leave_ibss,
3357 .get_station = ath6kl_get_station,
3358 .set_pmksa = ath6kl_set_pmksa,
3359 .del_pmksa = ath6kl_del_pmksa,
3360 .flush_pmksa = ath6kl_flush_pmksa,
3361 CFG80211_TESTMODE_CMD(ath6kl_tm_cmd)
3363 .suspend = __ath6kl_cfg80211_suspend,
3364 .resume = __ath6kl_cfg80211_resume,
3366 .start_ap = ath6kl_start_ap,
3367 .change_beacon = ath6kl_change_beacon,
3368 .stop_ap = ath6kl_stop_ap,
3369 .del_station = ath6kl_del_station,
3370 .change_station = ath6kl_change_station,
3371 .remain_on_channel = ath6kl_remain_on_channel,
3372 .cancel_remain_on_channel = ath6kl_cancel_remain_on_channel,
3373 .mgmt_tx = ath6kl_mgmt_tx,
3374 .mgmt_frame_register = ath6kl_mgmt_frame_register,
3375 .sched_scan_start = ath6kl_cfg80211_sscan_start,
3376 .sched_scan_stop = ath6kl_cfg80211_sscan_stop,
3377 .set_bitrate_mask = ath6kl_cfg80211_set_bitrate,
3380 void ath6kl_cfg80211_stop(struct ath6kl_vif *vif)
3382 ath6kl_cfg80211_sscan_disable(vif);
3384 switch (vif->sme_state) {
3385 case SME_DISCONNECTED:
3387 case SME_CONNECTING:
3388 cfg80211_connect_result(vif->ndev, vif->bssid, NULL, 0,
3390 WLAN_STATUS_UNSPECIFIED_FAILURE,
3394 cfg80211_disconnected(vif->ndev, 0, NULL, 0, GFP_KERNEL);
3398 if (test_bit(CONNECTED, &vif->flags) ||
3399 test_bit(CONNECT_PEND, &vif->flags))
3400 ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx);
3402 vif->sme_state = SME_DISCONNECTED;
3403 clear_bit(CONNECTED, &vif->flags);
3404 clear_bit(CONNECT_PEND, &vif->flags);
3406 /* disable scanning */
3407 if (ath6kl_wmi_scanparams_cmd(vif->ar->wmi, vif->fw_vif_idx, 0xFFFF,
3408 0, 0, 0, 0, 0, 0, 0, 0, 0) != 0)
3409 ath6kl_warn("failed to disable scan during stop\n");
3411 ath6kl_cfg80211_scan_complete_event(vif, true);
3414 void ath6kl_cfg80211_stop_all(struct ath6kl *ar)
3416 struct ath6kl_vif *vif;
3418 vif = ath6kl_vif_first(ar);
3420 /* save the current power mode before enabling power save */
3421 ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode;
3423 if (ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER) != 0)
3424 ath6kl_warn("ath6kl_deep_sleep_enable: wmi_powermode_cmd failed\n");
3429 * FIXME: we should take ar->list_lock to protect changes in the
3430 * vif_list, but that's not trivial to do as ath6kl_cfg80211_stop()
3433 list_for_each_entry(vif, &ar->vif_list, list)
3434 ath6kl_cfg80211_stop(vif);
3437 static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif)
3439 vif->aggr_cntxt = aggr_init(vif);
3440 if (!vif->aggr_cntxt) {
3441 ath6kl_err("failed to initialize aggr\n");
3445 setup_timer(&vif->disconnect_timer, disconnect_timer_handler,
3446 (unsigned long) vif->ndev);
3447 setup_timer(&vif->sched_scan_timer, ath6kl_wmi_sscan_timer,
3448 (unsigned long) vif);
3450 set_bit(WMM_ENABLED, &vif->flags);
3451 spin_lock_init(&vif->if_lock);
3453 INIT_LIST_HEAD(&vif->mc_filter);
3458 void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif *vif)
3460 struct ath6kl *ar = vif->ar;
3461 struct ath6kl_mc_filter *mc_filter, *tmp;
3463 aggr_module_destroy(vif->aggr_cntxt);
3465 ar->avail_idx_map |= BIT(vif->fw_vif_idx);
3467 if (vif->nw_type == ADHOC_NETWORK)
3468 ar->ibss_if_active = false;
3470 list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) {
3471 list_del(&mc_filter->list);
3475 unregister_netdevice(vif->ndev);
3480 struct net_device *ath6kl_interface_add(struct ath6kl *ar, char *name,
3481 enum nl80211_iftype type, u8 fw_vif_idx,
3484 struct net_device *ndev;
3485 struct ath6kl_vif *vif;
3487 ndev = alloc_netdev(sizeof(*vif), name, ether_setup);
3491 vif = netdev_priv(ndev);
3492 ndev->ieee80211_ptr = &vif->wdev;
3493 vif->wdev.wiphy = ar->wiphy;
3496 SET_NETDEV_DEV(ndev, wiphy_dev(vif->wdev.wiphy));
3497 vif->wdev.netdev = ndev;
3498 vif->wdev.iftype = type;
3499 vif->fw_vif_idx = fw_vif_idx;
3500 vif->nw_type = nw_type;
3501 vif->next_mode = nw_type;
3502 vif->listen_intvl_t = ATH6KL_DEFAULT_LISTEN_INTVAL;
3503 vif->bmiss_time_t = ATH6KL_DEFAULT_BMISS_TIME;
3504 vif->bg_scan_period = 0;
3505 vif->htcap[IEEE80211_BAND_2GHZ].ht_enable = true;
3506 vif->htcap[IEEE80211_BAND_5GHZ].ht_enable = true;
3508 memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN);
3509 if (fw_vif_idx != 0)
3510 ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << fw_vif_idx)) |
3515 ath6kl_init_control_info(vif);
3517 if (ath6kl_cfg80211_vif_init(vif))
3520 if (register_netdevice(ndev))
3523 ar->avail_idx_map &= ~BIT(fw_vif_idx);
3524 vif->sme_state = SME_DISCONNECTED;
3525 set_bit(WLAN_ENABLED, &vif->flags);
3526 ar->wlan_pwr_state = WLAN_POWER_STATE_ON;
3527 set_bit(NETDEV_REGISTERED, &vif->flags);
3529 if (type == NL80211_IFTYPE_ADHOC)
3530 ar->ibss_if_active = true;
3532 spin_lock_bh(&ar->list_lock);
3533 list_add_tail(&vif->list, &ar->vif_list);
3534 spin_unlock_bh(&ar->list_lock);
3539 aggr_module_destroy(vif->aggr_cntxt);
3544 int ath6kl_cfg80211_init(struct ath6kl *ar)
3546 struct wiphy *wiphy = ar->wiphy;
3547 bool band_2gig = false, band_5gig = false, ht = false;
3550 wiphy->mgmt_stypes = ath6kl_mgmt_stypes;
3552 wiphy->max_remain_on_channel_duration = 5000;
3554 /* set device pointer for wiphy */
3555 set_wiphy_dev(wiphy, ar->dev);
3557 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
3558 BIT(NL80211_IFTYPE_ADHOC) |
3559 BIT(NL80211_IFTYPE_AP);
3561 wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) |
3562 BIT(NL80211_IFTYPE_P2P_CLIENT);
3565 /* max num of ssids that can be probed during scanning */
3566 wiphy->max_scan_ssids = MAX_PROBED_SSIDS;
3568 /* max num of ssids that can be matched after scan */
3569 if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST,
3570 ar->fw_capabilities))
3571 wiphy->max_match_sets = MAX_PROBED_SSIDS;
3573 wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */
3574 switch (ar->hw.cap) {
3592 ath6kl_err("invalid phy capability!\n");
3597 * Even if the fw has HT support, advertise HT cap only when
3598 * the firmware has support to override RSN capability, otherwise
3599 * 4-way handshake would fail.
3602 test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE,
3603 ar->fw_capabilities))) {
3604 ath6kl_band_2ghz.ht_cap.cap = 0;
3605 ath6kl_band_2ghz.ht_cap.ht_supported = false;
3606 ath6kl_band_5ghz.ht_cap.cap = 0;
3607 ath6kl_band_5ghz.ht_cap.ht_supported = false;
3610 if (ar->hw.flags & ATH6KL_HW_FLAG_64BIT_RATES) {
3611 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3612 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3613 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[1] = 0xff;
3614 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[1] = 0xff;
3616 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3617 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3621 wiphy->bands[IEEE80211_BAND_2GHZ] = &ath6kl_band_2ghz;
3623 wiphy->bands[IEEE80211_BAND_5GHZ] = &ath6kl_band_5ghz;
3625 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
3627 wiphy->cipher_suites = cipher_suites;
3628 wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
3631 wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT |
3632 WIPHY_WOWLAN_DISCONNECT |
3633 WIPHY_WOWLAN_GTK_REKEY_FAILURE |
3634 WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
3635 WIPHY_WOWLAN_EAP_IDENTITY_REQ |
3636 WIPHY_WOWLAN_4WAY_HANDSHAKE;
3637 wiphy->wowlan.n_patterns = WOW_MAX_FILTERS_PER_LIST;
3638 wiphy->wowlan.pattern_min_len = 1;
3639 wiphy->wowlan.pattern_max_len = WOW_PATTERN_SIZE;
3642 wiphy->max_sched_scan_ssids = MAX_PROBED_SSIDS;
3644 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM |
3645 WIPHY_FLAG_HAVE_AP_SME |
3646 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
3647 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
3649 if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN, ar->fw_capabilities))
3650 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
3652 if (test_bit(ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT,
3653 ar->fw_capabilities))
3654 ar->wiphy->features = NL80211_FEATURE_INACTIVITY_TIMER;
3656 ar->wiphy->probe_resp_offload =
3657 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
3658 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
3659 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
3661 ret = wiphy_register(wiphy);
3663 ath6kl_err("couldn't register wiphy device\n");
3667 ar->wiphy_registered = true;
3672 void ath6kl_cfg80211_cleanup(struct ath6kl *ar)
3674 wiphy_unregister(ar->wiphy);
3676 ar->wiphy_registered = false;
3679 struct ath6kl *ath6kl_cfg80211_create(void)
3682 struct wiphy *wiphy;
3684 /* create a new wiphy for use with cfg80211 */
3685 wiphy = wiphy_new(&ath6kl_cfg80211_ops, sizeof(struct ath6kl));
3688 ath6kl_err("couldn't allocate wiphy device\n");
3692 ar = wiphy_priv(wiphy);
3698 /* Note: ar variable must not be accessed after calling this! */
3699 void ath6kl_cfg80211_destroy(struct ath6kl *ar)
3703 for (i = 0; i < AP_MAX_NUM_STA; i++)
3704 kfree(ar->sta_list[i].aggr_conn);
3706 wiphy_free(ar->wiphy);