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 #include <linux/moduleparam.h>
19 #include <linux/inetdevice.h>
20 #include <linux/export.h>
28 #define RATETAB_ENT(_rate, _rateid, _flags) { \
31 .hw_value = (_rateid), \
34 #define CHAN2G(_channel, _freq, _flags) { \
35 .band = IEEE80211_BAND_2GHZ, \
36 .hw_value = (_channel), \
37 .center_freq = (_freq), \
39 .max_antenna_gain = 0, \
43 #define CHAN5G(_channel, _flags) { \
44 .band = IEEE80211_BAND_5GHZ, \
45 .hw_value = (_channel), \
46 .center_freq = 5000 + (5 * (_channel)), \
48 .max_antenna_gain = 0, \
52 static struct ieee80211_rate ath6kl_rates[] = {
53 RATETAB_ENT(10, 0x1, 0),
54 RATETAB_ENT(20, 0x2, 0),
55 RATETAB_ENT(55, 0x4, 0),
56 RATETAB_ENT(110, 0x8, 0),
57 RATETAB_ENT(60, 0x10, 0),
58 RATETAB_ENT(90, 0x20, 0),
59 RATETAB_ENT(120, 0x40, 0),
60 RATETAB_ENT(180, 0x80, 0),
61 RATETAB_ENT(240, 0x100, 0),
62 RATETAB_ENT(360, 0x200, 0),
63 RATETAB_ENT(480, 0x400, 0),
64 RATETAB_ENT(540, 0x800, 0),
67 #define ath6kl_a_rates (ath6kl_rates + 4)
68 #define ath6kl_a_rates_size 8
69 #define ath6kl_g_rates (ath6kl_rates + 0)
70 #define ath6kl_g_rates_size 12
72 #define ath6kl_g_htcap (IEEE80211_HT_CAP_SUP_WIDTH_20_40 | \
73 IEEE80211_HT_CAP_SGI_20 | \
74 IEEE80211_HT_CAP_SGI_40)
76 static struct ieee80211_channel ath6kl_2ghz_channels[] = {
93 static struct ieee80211_channel ath6kl_5ghz_a_channels[] = {
94 CHAN5G(34, 0), CHAN5G(36, 0),
95 CHAN5G(38, 0), CHAN5G(40, 0),
96 CHAN5G(42, 0), CHAN5G(44, 0),
97 CHAN5G(46, 0), CHAN5G(48, 0),
98 CHAN5G(52, 0), CHAN5G(56, 0),
99 CHAN5G(60, 0), CHAN5G(64, 0),
100 CHAN5G(100, 0), CHAN5G(104, 0),
101 CHAN5G(108, 0), CHAN5G(112, 0),
102 CHAN5G(116, 0), CHAN5G(120, 0),
103 CHAN5G(124, 0), CHAN5G(128, 0),
104 CHAN5G(132, 0), CHAN5G(136, 0),
105 CHAN5G(140, 0), CHAN5G(149, 0),
106 CHAN5G(153, 0), CHAN5G(157, 0),
107 CHAN5G(161, 0), CHAN5G(165, 0),
108 CHAN5G(184, 0), CHAN5G(188, 0),
109 CHAN5G(192, 0), CHAN5G(196, 0),
110 CHAN5G(200, 0), CHAN5G(204, 0),
111 CHAN5G(208, 0), CHAN5G(212, 0),
115 static struct ieee80211_supported_band ath6kl_band_2ghz = {
116 .n_channels = ARRAY_SIZE(ath6kl_2ghz_channels),
117 .channels = ath6kl_2ghz_channels,
118 .n_bitrates = ath6kl_g_rates_size,
119 .bitrates = ath6kl_g_rates,
120 .ht_cap.cap = ath6kl_g_htcap,
121 .ht_cap.ht_supported = true,
124 static struct ieee80211_supported_band ath6kl_band_5ghz = {
125 .n_channels = ARRAY_SIZE(ath6kl_5ghz_a_channels),
126 .channels = ath6kl_5ghz_a_channels,
127 .n_bitrates = ath6kl_a_rates_size,
128 .bitrates = ath6kl_a_rates,
129 .ht_cap.cap = ath6kl_g_htcap,
130 .ht_cap.ht_supported = true,
133 #define CCKM_KRK_CIPHER_SUITE 0x004096ff /* use for KRK */
135 /* returns true if scheduled scan was stopped */
136 static bool __ath6kl_cfg80211_sscan_stop(struct ath6kl_vif *vif)
138 struct ath6kl *ar = vif->ar;
140 if (ar->state != ATH6KL_STATE_SCHED_SCAN)
143 del_timer_sync(&vif->sched_scan_timer);
145 ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
146 ATH6KL_HOST_MODE_AWAKE);
148 ar->state = ATH6KL_STATE_ON;
153 static void ath6kl_cfg80211_sscan_disable(struct ath6kl_vif *vif)
155 struct ath6kl *ar = vif->ar;
158 stopped = __ath6kl_cfg80211_sscan_stop(vif);
163 cfg80211_sched_scan_stopped(ar->wiphy);
166 static int ath6kl_set_wpa_version(struct ath6kl_vif *vif,
167 enum nl80211_wpa_versions wpa_version)
169 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: %u\n", __func__, wpa_version);
172 vif->auth_mode = NONE_AUTH;
173 } else if (wpa_version & NL80211_WPA_VERSION_2) {
174 vif->auth_mode = WPA2_AUTH;
175 } else if (wpa_version & NL80211_WPA_VERSION_1) {
176 vif->auth_mode = WPA_AUTH;
178 ath6kl_err("%s: %u not supported\n", __func__, wpa_version);
185 static int ath6kl_set_auth_type(struct ath6kl_vif *vif,
186 enum nl80211_auth_type auth_type)
188 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, auth_type);
191 case NL80211_AUTHTYPE_OPEN_SYSTEM:
192 vif->dot11_auth_mode = OPEN_AUTH;
194 case NL80211_AUTHTYPE_SHARED_KEY:
195 vif->dot11_auth_mode = SHARED_AUTH;
197 case NL80211_AUTHTYPE_NETWORK_EAP:
198 vif->dot11_auth_mode = LEAP_AUTH;
201 case NL80211_AUTHTYPE_AUTOMATIC:
202 vif->dot11_auth_mode = OPEN_AUTH | SHARED_AUTH;
206 ath6kl_err("%s: 0x%x not supported\n", __func__, auth_type);
213 static int ath6kl_set_cipher(struct ath6kl_vif *vif, u32 cipher, bool ucast)
215 u8 *ar_cipher = ucast ? &vif->prwise_crypto : &vif->grp_crypto;
216 u8 *ar_cipher_len = ucast ? &vif->prwise_crypto_len :
217 &vif->grp_crypto_len;
219 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: cipher 0x%x, ucast %u\n",
220 __func__, cipher, ucast);
224 /* our own hack to use value 0 as no crypto used */
225 *ar_cipher = NONE_CRYPT;
228 case WLAN_CIPHER_SUITE_WEP40:
229 *ar_cipher = WEP_CRYPT;
232 case WLAN_CIPHER_SUITE_WEP104:
233 *ar_cipher = WEP_CRYPT;
236 case WLAN_CIPHER_SUITE_TKIP:
237 *ar_cipher = TKIP_CRYPT;
240 case WLAN_CIPHER_SUITE_CCMP:
241 *ar_cipher = AES_CRYPT;
244 case WLAN_CIPHER_SUITE_SMS4:
245 *ar_cipher = WAPI_CRYPT;
249 ath6kl_err("cipher 0x%x not supported\n", cipher);
256 static void ath6kl_set_key_mgmt(struct ath6kl_vif *vif, u32 key_mgmt)
258 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, key_mgmt);
260 if (key_mgmt == WLAN_AKM_SUITE_PSK) {
261 if (vif->auth_mode == WPA_AUTH)
262 vif->auth_mode = WPA_PSK_AUTH;
263 else if (vif->auth_mode == WPA2_AUTH)
264 vif->auth_mode = WPA2_PSK_AUTH;
265 } else if (key_mgmt == 0x00409600) {
266 if (vif->auth_mode == WPA_AUTH)
267 vif->auth_mode = WPA_AUTH_CCKM;
268 else if (vif->auth_mode == WPA2_AUTH)
269 vif->auth_mode = WPA2_AUTH_CCKM;
270 } else if (key_mgmt != WLAN_AKM_SUITE_8021X) {
271 vif->auth_mode = NONE_AUTH;
275 static bool ath6kl_cfg80211_ready(struct ath6kl_vif *vif)
277 struct ath6kl *ar = vif->ar;
279 if (!test_bit(WMI_READY, &ar->flag)) {
280 ath6kl_err("wmi is not ready\n");
284 if (!test_bit(WLAN_ENABLED, &vif->flags)) {
285 ath6kl_err("wlan disabled\n");
292 static bool ath6kl_is_wpa_ie(const u8 *pos)
294 return pos[0] == WLAN_EID_WPA && pos[1] >= 4 &&
295 pos[2] == 0x00 && pos[3] == 0x50 &&
296 pos[4] == 0xf2 && pos[5] == 0x01;
299 static bool ath6kl_is_rsn_ie(const u8 *pos)
301 return pos[0] == WLAN_EID_RSN;
304 static bool ath6kl_is_wps_ie(const u8 *pos)
306 return (pos[0] == WLAN_EID_VENDOR_SPECIFIC &&
308 pos[2] == 0x00 && pos[3] == 0x50 && pos[4] == 0xf2 &&
312 static int ath6kl_set_assoc_req_ies(struct ath6kl_vif *vif, const u8 *ies,
315 struct ath6kl *ar = vif->ar;
322 * Clear previously set flag
325 ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG;
328 * Filter out RSN/WPA IE(s)
331 if (ies && ies_len) {
332 buf = kmalloc(ies_len, GFP_KERNEL);
337 while (pos + 1 < ies + ies_len) {
338 if (pos + 2 + pos[1] > ies + ies_len)
340 if (!(ath6kl_is_wpa_ie(pos) || ath6kl_is_rsn_ie(pos))) {
341 memcpy(buf + len, pos, 2 + pos[1]);
345 if (ath6kl_is_wps_ie(pos))
346 ar->connect_ctrl_flags |= CONNECT_WPS_FLAG;
352 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
353 WMI_FRAME_ASSOC_REQ, buf, len);
358 static int ath6kl_nliftype_to_drv_iftype(enum nl80211_iftype type, u8 *nw_type)
361 case NL80211_IFTYPE_STATION:
362 *nw_type = INFRA_NETWORK;
364 case NL80211_IFTYPE_ADHOC:
365 *nw_type = ADHOC_NETWORK;
367 case NL80211_IFTYPE_AP:
368 *nw_type = AP_NETWORK;
370 case NL80211_IFTYPE_P2P_CLIENT:
371 *nw_type = INFRA_NETWORK;
373 case NL80211_IFTYPE_P2P_GO:
374 *nw_type = AP_NETWORK;
377 ath6kl_err("invalid interface type %u\n", type);
384 static bool ath6kl_is_valid_iftype(struct ath6kl *ar, enum nl80211_iftype type,
385 u8 *if_idx, u8 *nw_type)
389 if (ath6kl_nliftype_to_drv_iftype(type, nw_type))
392 if (ar->ibss_if_active || ((type == NL80211_IFTYPE_ADHOC) &&
396 if (type == NL80211_IFTYPE_STATION ||
397 type == NL80211_IFTYPE_AP || type == NL80211_IFTYPE_ADHOC) {
398 for (i = 0; i < ar->vif_max; i++) {
399 if ((ar->avail_idx_map >> i) & BIT(0)) {
406 if (type == NL80211_IFTYPE_P2P_CLIENT ||
407 type == NL80211_IFTYPE_P2P_GO) {
408 for (i = ar->max_norm_iface; i < ar->vif_max; i++) {
409 if ((ar->avail_idx_map >> i) & BIT(0)) {
419 static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
420 struct cfg80211_connect_params *sme)
422 struct ath6kl *ar = ath6kl_priv(dev);
423 struct ath6kl_vif *vif = netdev_priv(dev);
425 u8 nw_subtype = (ar->p2p) ? SUBTYPE_P2PDEV : SUBTYPE_NONE;
428 ath6kl_cfg80211_sscan_disable(vif);
430 vif->sme_state = SME_CONNECTING;
432 if (!ath6kl_cfg80211_ready(vif))
435 if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
436 ath6kl_err("destroy in progress\n");
440 if (test_bit(SKIP_SCAN, &ar->flag) &&
441 ((sme->channel && sme->channel->center_freq == 0) ||
442 (sme->bssid && is_zero_ether_addr(sme->bssid)))) {
443 ath6kl_err("SkipScan: channel or bssid invalid\n");
447 if (down_interruptible(&ar->sem)) {
448 ath6kl_err("busy, couldn't get access\n");
452 if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
453 ath6kl_err("busy, destroy in progress\n");
458 if (ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)]) {
460 * sleep until the command queue drains
462 wait_event_interruptible_timeout(ar->event_wq,
463 ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)] == 0,
465 if (signal_pending(current)) {
466 ath6kl_err("cmd queue drain timeout\n");
472 status = ath6kl_set_assoc_req_ies(vif, sme->ie, sme->ie_len);
478 if (sme->ie == NULL || sme->ie_len == 0)
479 ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG;
481 if (test_bit(CONNECTED, &vif->flags) &&
482 vif->ssid_len == sme->ssid_len &&
483 !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) {
484 vif->reconnect_flag = true;
485 status = ath6kl_wmi_reconnect_cmd(ar->wmi, vif->fw_vif_idx,
491 ath6kl_err("wmi_reconnect_cmd failed\n");
495 } else if (vif->ssid_len == sme->ssid_len &&
496 !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) {
497 ath6kl_disconnect(vif);
500 memset(vif->ssid, 0, sizeof(vif->ssid));
501 vif->ssid_len = sme->ssid_len;
502 memcpy(vif->ssid, sme->ssid, sme->ssid_len);
505 vif->ch_hint = sme->channel->center_freq;
507 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
508 if (sme->bssid && !is_broadcast_ether_addr(sme->bssid))
509 memcpy(vif->req_bssid, sme->bssid, sizeof(vif->req_bssid));
511 ath6kl_set_wpa_version(vif, sme->crypto.wpa_versions);
513 status = ath6kl_set_auth_type(vif, sme->auth_type);
519 if (sme->crypto.n_ciphers_pairwise)
520 ath6kl_set_cipher(vif, sme->crypto.ciphers_pairwise[0], true);
522 ath6kl_set_cipher(vif, 0, true);
524 ath6kl_set_cipher(vif, sme->crypto.cipher_group, false);
526 if (sme->crypto.n_akm_suites)
527 ath6kl_set_key_mgmt(vif, sme->crypto.akm_suites[0]);
529 if ((sme->key_len) &&
530 (vif->auth_mode == NONE_AUTH) &&
531 (vif->prwise_crypto == WEP_CRYPT)) {
532 struct ath6kl_key *key = NULL;
534 if (sme->key_idx > WMI_MAX_KEY_INDEX) {
535 ath6kl_err("key index %d out of bounds\n",
541 key = &vif->keys[sme->key_idx];
542 key->key_len = sme->key_len;
543 memcpy(key->key, sme->key, key->key_len);
544 key->cipher = vif->prwise_crypto;
545 vif->def_txkey_index = sme->key_idx;
547 ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, sme->key_idx,
549 GROUP_USAGE | TX_USAGE,
552 key->key, KEY_OP_INIT_VAL, NULL,
556 if (!ar->usr_bss_filter) {
557 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
558 if (ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
559 ALL_BSS_FILTER, 0) != 0) {
560 ath6kl_err("couldn't set bss filtering\n");
566 vif->nw_type = vif->next_mode;
568 if (vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT)
569 nw_subtype = SUBTYPE_P2PCLIENT;
571 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
572 "%s: connect called with authmode %d dot11 auth %d"
573 " PW crypto %d PW crypto len %d GRP crypto %d"
574 " GRP crypto len %d channel hint %u\n",
576 vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto,
577 vif->prwise_crypto_len, vif->grp_crypto,
578 vif->grp_crypto_len, vif->ch_hint);
580 vif->reconnect_flag = 0;
582 if (vif->nw_type == INFRA_NETWORK) {
583 interval = max(vif->listen_intvl_t,
584 (u16) ATH6KL_MAX_WOW_LISTEN_INTL);
585 status = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
589 ath6kl_err("couldn't set listen intervel\n");
595 status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type,
596 vif->dot11_auth_mode, vif->auth_mode,
598 vif->prwise_crypto_len,
599 vif->grp_crypto, vif->grp_crypto_len,
600 vif->ssid_len, vif->ssid,
601 vif->req_bssid, vif->ch_hint,
602 ar->connect_ctrl_flags, nw_subtype);
606 if (status == -EINVAL) {
607 memset(vif->ssid, 0, sizeof(vif->ssid));
609 ath6kl_err("invalid request\n");
612 ath6kl_err("ath6kl_wmi_connect_cmd failed\n");
616 if ((!(ar->connect_ctrl_flags & CONNECT_DO_WPA_OFFLOAD)) &&
617 ((vif->auth_mode == WPA_PSK_AUTH)
618 || (vif->auth_mode == WPA2_PSK_AUTH))) {
619 mod_timer(&vif->disconnect_timer,
620 jiffies + msecs_to_jiffies(DISCON_TIMER_INTVAL));
623 ar->connect_ctrl_flags &= ~CONNECT_DO_WPA_OFFLOAD;
624 set_bit(CONNECT_PEND, &vif->flags);
629 static struct cfg80211_bss *
630 ath6kl_add_bss_if_needed(struct ath6kl_vif *vif,
631 enum network_type nw_type,
633 struct ieee80211_channel *chan,
635 size_t beacon_ie_len)
637 struct ath6kl *ar = vif->ar;
638 struct cfg80211_bss *bss;
639 u16 cap_mask, cap_val;
642 if (nw_type & ADHOC_NETWORK) {
643 cap_mask = WLAN_CAPABILITY_IBSS;
644 cap_val = WLAN_CAPABILITY_IBSS;
646 cap_mask = WLAN_CAPABILITY_ESS;
647 cap_val = WLAN_CAPABILITY_ESS;
650 bss = cfg80211_get_bss(ar->wiphy, chan, bssid,
651 vif->ssid, vif->ssid_len,
655 * Since cfg80211 may not yet know about the BSS,
656 * generate a partial entry until the first BSS info
657 * event becomes available.
659 * Prepend SSID element since it is not included in the Beacon
660 * IEs from the target.
662 ie = kmalloc(2 + vif->ssid_len + beacon_ie_len, GFP_KERNEL);
665 ie[0] = WLAN_EID_SSID;
666 ie[1] = vif->ssid_len;
667 memcpy(ie + 2, vif->ssid, vif->ssid_len);
668 memcpy(ie + 2 + vif->ssid_len, beacon_ie, beacon_ie_len);
669 bss = cfg80211_inform_bss(ar->wiphy, chan,
670 bssid, 0, cap_val, 100,
671 ie, 2 + vif->ssid_len + beacon_ie_len,
674 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "added bss %pM to "
675 "cfg80211\n", bssid);
678 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "cfg80211 already has a bss\n");
683 void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel,
684 u8 *bssid, u16 listen_intvl,
686 enum network_type nw_type,
687 u8 beacon_ie_len, u8 assoc_req_len,
688 u8 assoc_resp_len, u8 *assoc_info)
690 struct ieee80211_channel *chan;
691 struct ath6kl *ar = vif->ar;
692 struct cfg80211_bss *bss;
694 /* capinfo + listen interval */
695 u8 assoc_req_ie_offset = sizeof(u16) + sizeof(u16);
697 /* capinfo + status code + associd */
698 u8 assoc_resp_ie_offset = sizeof(u16) + sizeof(u16) + sizeof(u16);
700 u8 *assoc_req_ie = assoc_info + beacon_ie_len + assoc_req_ie_offset;
701 u8 *assoc_resp_ie = assoc_info + beacon_ie_len + assoc_req_len +
702 assoc_resp_ie_offset;
704 assoc_req_len -= assoc_req_ie_offset;
705 assoc_resp_len -= assoc_resp_ie_offset;
708 * Store Beacon interval here; DTIM period will be available only once
709 * a Beacon frame from the AP is seen.
711 vif->assoc_bss_beacon_int = beacon_intvl;
712 clear_bit(DTIM_PERIOD_AVAIL, &vif->flags);
714 if (nw_type & ADHOC_NETWORK) {
715 if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) {
716 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
717 "%s: ath6k not in ibss mode\n", __func__);
722 if (nw_type & INFRA_NETWORK) {
723 if (vif->wdev.iftype != NL80211_IFTYPE_STATION &&
724 vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) {
725 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
726 "%s: ath6k not in station mode\n", __func__);
731 chan = ieee80211_get_channel(ar->wiphy, (int) channel);
733 bss = ath6kl_add_bss_if_needed(vif, nw_type, bssid, chan,
734 assoc_info, beacon_ie_len);
736 ath6kl_err("could not add cfg80211 bss entry\n");
740 if (nw_type & ADHOC_NETWORK) {
741 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "ad-hoc %s selected\n",
742 nw_type & ADHOC_CREATOR ? "creator" : "joiner");
743 cfg80211_ibss_joined(vif->ndev, bssid, GFP_KERNEL);
744 cfg80211_put_bss(bss);
748 if (vif->sme_state == SME_CONNECTING) {
749 /* inform connect result to cfg80211 */
750 vif->sme_state = SME_CONNECTED;
751 cfg80211_connect_result(vif->ndev, bssid,
752 assoc_req_ie, assoc_req_len,
753 assoc_resp_ie, assoc_resp_len,
754 WLAN_STATUS_SUCCESS, GFP_KERNEL);
755 cfg80211_put_bss(bss);
756 } else if (vif->sme_state == SME_CONNECTED) {
757 /* inform roam event to cfg80211 */
758 cfg80211_roamed_bss(vif->ndev, bss, assoc_req_ie, assoc_req_len,
759 assoc_resp_ie, assoc_resp_len, GFP_KERNEL);
763 static int ath6kl_cfg80211_disconnect(struct wiphy *wiphy,
764 struct net_device *dev, u16 reason_code)
766 struct ath6kl *ar = ath6kl_priv(dev);
767 struct ath6kl_vif *vif = netdev_priv(dev);
769 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: reason=%u\n", __func__,
772 ath6kl_cfg80211_sscan_disable(vif);
774 if (!ath6kl_cfg80211_ready(vif))
777 if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
778 ath6kl_err("busy, destroy in progress\n");
782 if (down_interruptible(&ar->sem)) {
783 ath6kl_err("busy, couldn't get access\n");
787 vif->reconnect_flag = 0;
788 ath6kl_disconnect(vif);
789 memset(vif->ssid, 0, sizeof(vif->ssid));
792 if (!test_bit(SKIP_SCAN, &ar->flag))
793 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
797 vif->sme_state = SME_DISCONNECTED;
802 void ath6kl_cfg80211_disconnect_event(struct ath6kl_vif *vif, u8 reason,
803 u8 *bssid, u8 assoc_resp_len,
804 u8 *assoc_info, u16 proto_reason)
806 struct ath6kl *ar = vif->ar;
809 cfg80211_scan_done(vif->scan_req, true);
810 vif->scan_req = NULL;
813 if (vif->nw_type & ADHOC_NETWORK) {
814 if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) {
815 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
816 "%s: ath6k not in ibss mode\n", __func__);
819 memset(bssid, 0, ETH_ALEN);
820 cfg80211_ibss_joined(vif->ndev, bssid, GFP_KERNEL);
824 if (vif->nw_type & INFRA_NETWORK) {
825 if (vif->wdev.iftype != NL80211_IFTYPE_STATION &&
826 vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) {
827 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
828 "%s: ath6k not in station mode\n", __func__);
834 * Send a disconnect command to target when a disconnect event is
835 * received with reason code other than 3 (DISCONNECT_CMD - disconnect
836 * request from host) to make the firmware stop trying to connect even
837 * after giving disconnect event. There will be one more disconnect
838 * event for this disconnect command with reason code DISCONNECT_CMD
839 * which will be notified to cfg80211.
842 if (reason != DISCONNECT_CMD) {
843 ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx);
847 clear_bit(CONNECT_PEND, &vif->flags);
849 if (vif->sme_state == SME_CONNECTING) {
850 cfg80211_connect_result(vif->ndev,
853 WLAN_STATUS_UNSPECIFIED_FAILURE,
855 } else if (vif->sme_state == SME_CONNECTED) {
856 cfg80211_disconnected(vif->ndev, reason,
857 NULL, 0, GFP_KERNEL);
860 vif->sme_state = SME_DISCONNECTED;
863 static int ath6kl_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev,
864 struct cfg80211_scan_request *request)
866 struct ath6kl *ar = ath6kl_priv(ndev);
867 struct ath6kl_vif *vif = netdev_priv(ndev);
869 u16 *channels = NULL;
871 u32 force_fg_scan = 0;
873 if (!ath6kl_cfg80211_ready(vif))
876 ath6kl_cfg80211_sscan_disable(vif);
878 if (!ar->usr_bss_filter) {
879 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
880 ret = ath6kl_wmi_bssfilter_cmd(
881 ar->wmi, vif->fw_vif_idx,
882 (test_bit(CONNECTED, &vif->flags) ?
883 ALL_BUT_BSS_FILTER : ALL_BSS_FILTER), 0);
885 ath6kl_err("couldn't set bss filtering\n");
890 if (request->n_ssids && request->ssids[0].ssid_len) {
893 if (request->n_ssids > (MAX_PROBED_SSID_INDEX - 1))
894 request->n_ssids = MAX_PROBED_SSID_INDEX - 1;
896 for (i = 0; i < request->n_ssids; i++)
897 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx,
898 i + 1, SPECIFIC_SSID_FLAG,
899 request->ssids[i].ssid_len,
900 request->ssids[i].ssid);
903 /* this also clears IE in fw if it's not set */
904 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
906 request->ie, request->ie_len);
908 ath6kl_err("failed to set Probe Request appie for "
914 * Scan only the requested channels if the request specifies a set of
915 * channels. If the list is longer than the target supports, do not
916 * configure the list and instead, scan all available channels.
918 if (request->n_channels > 0 &&
919 request->n_channels <= WMI_MAX_CHANNELS) {
922 n_channels = request->n_channels;
924 channels = kzalloc(n_channels * sizeof(u16), GFP_KERNEL);
925 if (channels == NULL) {
926 ath6kl_warn("failed to set scan channels, "
927 "scan all channels");
931 for (i = 0; i < n_channels; i++)
932 channels[i] = request->channels[i]->center_freq;
935 if (test_bit(CONNECTED, &vif->flags))
938 if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
939 ar->fw_capabilities)) {
941 * If capable of doing P2P mgmt operations using
942 * station interface, send additional information like
943 * supported rates to advertise and xmit rates for
946 ret = ath6kl_wmi_beginscan_cmd(ar->wmi, vif->fw_vif_idx,
947 WMI_LONG_SCAN, force_fg_scan,
949 ATH6KL_FG_SCAN_INTERVAL,
950 n_channels, channels,
954 ret = ath6kl_wmi_startscan_cmd(ar->wmi, vif->fw_vif_idx,
955 WMI_LONG_SCAN, force_fg_scan,
957 ATH6KL_FG_SCAN_INTERVAL,
958 n_channels, channels);
961 ath6kl_err("wmi_startscan_cmd failed\n");
963 vif->scan_req = request;
970 void ath6kl_cfg80211_scan_complete_event(struct ath6kl_vif *vif, bool aborted)
972 struct ath6kl *ar = vif->ar;
975 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: status%s\n", __func__,
976 aborted ? " aborted" : "");
984 if (vif->scan_req->n_ssids && vif->scan_req->ssids[0].ssid_len) {
985 for (i = 0; i < vif->scan_req->n_ssids; i++) {
986 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx,
987 i + 1, DISABLE_SSID_FLAG,
993 cfg80211_scan_done(vif->scan_req, aborted);
994 vif->scan_req = NULL;
997 static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
998 u8 key_index, bool pairwise,
1000 struct key_params *params)
1002 struct ath6kl *ar = ath6kl_priv(ndev);
1003 struct ath6kl_vif *vif = netdev_priv(ndev);
1004 struct ath6kl_key *key = NULL;
1009 if (!ath6kl_cfg80211_ready(vif))
1012 if (params->cipher == CCKM_KRK_CIPHER_SUITE) {
1013 if (params->key_len != WMI_KRK_LEN)
1015 return ath6kl_wmi_add_krk_cmd(ar->wmi, vif->fw_vif_idx,
1019 if (key_index > WMI_MAX_KEY_INDEX) {
1020 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1021 "%s: key index %d out of bounds\n", __func__,
1026 key = &vif->keys[key_index];
1027 memset(key, 0, sizeof(struct ath6kl_key));
1030 key_usage = PAIRWISE_USAGE;
1032 key_usage = GROUP_USAGE;
1034 seq_len = params->seq_len;
1035 if (params->cipher == WLAN_CIPHER_SUITE_SMS4 &&
1036 seq_len > ATH6KL_KEY_SEQ_LEN) {
1037 /* Only first half of the WPI PN is configured */
1038 seq_len = ATH6KL_KEY_SEQ_LEN;
1040 if (params->key_len > WLAN_MAX_KEY_LEN ||
1041 seq_len > sizeof(key->seq))
1044 key->key_len = params->key_len;
1045 memcpy(key->key, params->key, key->key_len);
1046 key->seq_len = seq_len;
1047 memcpy(key->seq, params->seq, key->seq_len);
1048 key->cipher = params->cipher;
1050 switch (key->cipher) {
1051 case WLAN_CIPHER_SUITE_WEP40:
1052 case WLAN_CIPHER_SUITE_WEP104:
1053 key_type = WEP_CRYPT;
1056 case WLAN_CIPHER_SUITE_TKIP:
1057 key_type = TKIP_CRYPT;
1060 case WLAN_CIPHER_SUITE_CCMP:
1061 key_type = AES_CRYPT;
1063 case WLAN_CIPHER_SUITE_SMS4:
1064 key_type = WAPI_CRYPT;
1071 if (((vif->auth_mode == WPA_PSK_AUTH)
1072 || (vif->auth_mode == WPA2_PSK_AUTH))
1073 && (key_usage & GROUP_USAGE))
1074 del_timer(&vif->disconnect_timer);
1076 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1077 "%s: index %d, key_len %d, key_type 0x%x, key_usage 0x%x, seq_len %d\n",
1078 __func__, key_index, key->key_len, key_type,
1079 key_usage, key->seq_len);
1081 if (vif->nw_type == AP_NETWORK && !pairwise &&
1082 (key_type == TKIP_CRYPT || key_type == AES_CRYPT ||
1083 key_type == WAPI_CRYPT)) {
1084 ar->ap_mode_bkey.valid = true;
1085 ar->ap_mode_bkey.key_index = key_index;
1086 ar->ap_mode_bkey.key_type = key_type;
1087 ar->ap_mode_bkey.key_len = key->key_len;
1088 memcpy(ar->ap_mode_bkey.key, key->key, key->key_len);
1089 if (!test_bit(CONNECTED, &vif->flags)) {
1090 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "Delay initial group "
1091 "key configuration until AP mode has been "
1094 * The key will be set in ath6kl_connect_ap_mode() once
1095 * the connected event is received from the target.
1101 if (vif->next_mode == AP_NETWORK && key_type == WEP_CRYPT &&
1102 !test_bit(CONNECTED, &vif->flags)) {
1104 * Store the key locally so that it can be re-configured after
1105 * the AP mode has properly started
1106 * (ath6kl_install_statioc_wep_keys).
1108 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "Delay WEP key configuration "
1109 "until AP mode has been started\n");
1110 vif->wep_key_list[key_index].key_len = key->key_len;
1111 memcpy(vif->wep_key_list[key_index].key, key->key,
1116 return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, key_index,
1117 key_type, key_usage, key->key_len,
1118 key->seq, key->seq_len, key->key,
1120 (u8 *) mac_addr, SYNC_BOTH_WMIFLAG);
1123 static int ath6kl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
1124 u8 key_index, bool pairwise,
1127 struct ath6kl *ar = ath6kl_priv(ndev);
1128 struct ath6kl_vif *vif = netdev_priv(ndev);
1130 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1132 if (!ath6kl_cfg80211_ready(vif))
1135 if (key_index > WMI_MAX_KEY_INDEX) {
1136 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1137 "%s: key index %d out of bounds\n", __func__,
1142 if (!vif->keys[key_index].key_len) {
1143 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1144 "%s: index %d is empty\n", __func__, key_index);
1148 vif->keys[key_index].key_len = 0;
1150 return ath6kl_wmi_deletekey_cmd(ar->wmi, vif->fw_vif_idx, key_index);
1153 static int ath6kl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
1154 u8 key_index, bool pairwise,
1155 const u8 *mac_addr, void *cookie,
1156 void (*callback) (void *cookie,
1157 struct key_params *))
1159 struct ath6kl_vif *vif = netdev_priv(ndev);
1160 struct ath6kl_key *key = NULL;
1161 struct key_params params;
1163 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1165 if (!ath6kl_cfg80211_ready(vif))
1168 if (key_index > WMI_MAX_KEY_INDEX) {
1169 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1170 "%s: key index %d out of bounds\n", __func__,
1175 key = &vif->keys[key_index];
1176 memset(¶ms, 0, sizeof(params));
1177 params.cipher = key->cipher;
1178 params.key_len = key->key_len;
1179 params.seq_len = key->seq_len;
1180 params.seq = key->seq;
1181 params.key = key->key;
1183 callback(cookie, ¶ms);
1185 return key->key_len ? 0 : -ENOENT;
1188 static int ath6kl_cfg80211_set_default_key(struct wiphy *wiphy,
1189 struct net_device *ndev,
1190 u8 key_index, bool unicast,
1193 struct ath6kl *ar = ath6kl_priv(ndev);
1194 struct ath6kl_vif *vif = netdev_priv(ndev);
1195 struct ath6kl_key *key = NULL;
1197 enum crypto_type key_type = NONE_CRYPT;
1199 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1201 if (!ath6kl_cfg80211_ready(vif))
1204 if (key_index > WMI_MAX_KEY_INDEX) {
1205 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1206 "%s: key index %d out of bounds\n",
1207 __func__, key_index);
1211 if (!vif->keys[key_index].key_len) {
1212 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: invalid key index %d\n",
1213 __func__, key_index);
1217 vif->def_txkey_index = key_index;
1218 key = &vif->keys[vif->def_txkey_index];
1219 key_usage = GROUP_USAGE;
1220 if (vif->prwise_crypto == WEP_CRYPT)
1221 key_usage |= TX_USAGE;
1223 key_type = vif->prwise_crypto;
1225 key_type = vif->grp_crypto;
1227 if (vif->next_mode == AP_NETWORK && !test_bit(CONNECTED, &vif->flags))
1228 return 0; /* Delay until AP mode has been started */
1230 return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx,
1231 vif->def_txkey_index,
1232 key_type, key_usage,
1233 key->key_len, key->seq, key->seq_len,
1235 KEY_OP_INIT_VAL, NULL,
1239 void ath6kl_cfg80211_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid,
1242 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1243 "%s: keyid %d, ismcast %d\n", __func__, keyid, ismcast);
1245 cfg80211_michael_mic_failure(vif->ndev, vif->bssid,
1246 (ismcast ? NL80211_KEYTYPE_GROUP :
1247 NL80211_KEYTYPE_PAIRWISE), keyid, NULL,
1251 static int ath6kl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1253 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
1254 struct ath6kl_vif *vif;
1257 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: changed 0x%x\n", __func__,
1260 vif = ath6kl_vif_first(ar);
1264 if (!ath6kl_cfg80211_ready(vif))
1267 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1268 ret = ath6kl_wmi_set_rts_cmd(ar->wmi, wiphy->rts_threshold);
1270 ath6kl_err("ath6kl_wmi_set_rts_cmd failed\n");
1279 * The type nl80211_tx_power_setting replaces the following
1280 * data type from 2.6.36 onwards
1282 static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy,
1283 enum nl80211_tx_power_setting type,
1286 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
1287 struct ath6kl_vif *vif;
1289 int dbm = MBM_TO_DBM(mbm);
1291 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x, dbm %d\n", __func__,
1294 vif = ath6kl_vif_first(ar);
1298 if (!ath6kl_cfg80211_ready(vif))
1302 case NL80211_TX_POWER_AUTOMATIC:
1304 case NL80211_TX_POWER_LIMITED:
1305 ar->tx_pwr = ath6kl_dbm = dbm;
1308 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x not supported\n",
1313 ath6kl_wmi_set_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx, ath6kl_dbm);
1318 static int ath6kl_cfg80211_get_txpower(struct wiphy *wiphy, int *dbm)
1320 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
1321 struct ath6kl_vif *vif;
1323 vif = ath6kl_vif_first(ar);
1327 if (!ath6kl_cfg80211_ready(vif))
1330 if (test_bit(CONNECTED, &vif->flags)) {
1333 if (ath6kl_wmi_get_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx) != 0) {
1334 ath6kl_err("ath6kl_wmi_get_tx_pwr_cmd failed\n");
1338 wait_event_interruptible_timeout(ar->event_wq, ar->tx_pwr != 0,
1341 if (signal_pending(current)) {
1342 ath6kl_err("target did not respond\n");
1351 static int ath6kl_cfg80211_set_power_mgmt(struct wiphy *wiphy,
1352 struct net_device *dev,
1353 bool pmgmt, int timeout)
1355 struct ath6kl *ar = ath6kl_priv(dev);
1356 struct wmi_power_mode_cmd mode;
1357 struct ath6kl_vif *vif = netdev_priv(dev);
1359 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: pmgmt %d, timeout %d\n",
1360 __func__, pmgmt, timeout);
1362 if (!ath6kl_cfg80211_ready(vif))
1366 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: max perf\n", __func__);
1367 mode.pwr_mode = REC_POWER;
1369 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: rec power\n", __func__);
1370 mode.pwr_mode = MAX_PERF_POWER;
1373 if (ath6kl_wmi_powermode_cmd(ar->wmi, vif->fw_vif_idx,
1374 mode.pwr_mode) != 0) {
1375 ath6kl_err("wmi_powermode_cmd failed\n");
1382 static struct net_device *ath6kl_cfg80211_add_iface(struct wiphy *wiphy,
1384 enum nl80211_iftype type,
1386 struct vif_params *params)
1388 struct ath6kl *ar = wiphy_priv(wiphy);
1389 struct net_device *ndev;
1392 if (ar->num_vif == ar->vif_max) {
1393 ath6kl_err("Reached maximum number of supported vif\n");
1394 return ERR_PTR(-EINVAL);
1397 if (!ath6kl_is_valid_iftype(ar, type, &if_idx, &nw_type)) {
1398 ath6kl_err("Not a supported interface type\n");
1399 return ERR_PTR(-EINVAL);
1402 ndev = ath6kl_interface_add(ar, name, type, if_idx, nw_type);
1404 return ERR_PTR(-ENOMEM);
1411 static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy,
1412 struct net_device *ndev)
1414 struct ath6kl *ar = wiphy_priv(wiphy);
1415 struct ath6kl_vif *vif = netdev_priv(ndev);
1417 spin_lock_bh(&ar->list_lock);
1418 list_del(&vif->list);
1419 spin_unlock_bh(&ar->list_lock);
1421 ath6kl_cleanup_vif(vif, test_bit(WMI_READY, &ar->flag));
1423 ath6kl_cfg80211_vif_cleanup(vif);
1428 static int ath6kl_cfg80211_change_iface(struct wiphy *wiphy,
1429 struct net_device *ndev,
1430 enum nl80211_iftype type, u32 *flags,
1431 struct vif_params *params)
1433 struct ath6kl_vif *vif = netdev_priv(ndev);
1435 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type %u\n", __func__, type);
1438 case NL80211_IFTYPE_STATION:
1439 vif->next_mode = INFRA_NETWORK;
1441 case NL80211_IFTYPE_ADHOC:
1442 vif->next_mode = ADHOC_NETWORK;
1444 case NL80211_IFTYPE_AP:
1445 vif->next_mode = AP_NETWORK;
1447 case NL80211_IFTYPE_P2P_CLIENT:
1448 vif->next_mode = INFRA_NETWORK;
1450 case NL80211_IFTYPE_P2P_GO:
1451 vif->next_mode = AP_NETWORK;
1454 ath6kl_err("invalid interface type %u\n", type);
1458 vif->wdev.iftype = type;
1463 static int ath6kl_cfg80211_join_ibss(struct wiphy *wiphy,
1464 struct net_device *dev,
1465 struct cfg80211_ibss_params *ibss_param)
1467 struct ath6kl *ar = ath6kl_priv(dev);
1468 struct ath6kl_vif *vif = netdev_priv(dev);
1471 if (!ath6kl_cfg80211_ready(vif))
1474 vif->ssid_len = ibss_param->ssid_len;
1475 memcpy(vif->ssid, ibss_param->ssid, vif->ssid_len);
1477 if (ibss_param->channel)
1478 vif->ch_hint = ibss_param->channel->center_freq;
1480 if (ibss_param->channel_fixed) {
1482 * TODO: channel_fixed: The channel should be fixed, do not
1483 * search for IBSSs to join on other channels. Target
1484 * firmware does not support this feature, needs to be
1490 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
1491 if (ibss_param->bssid && !is_broadcast_ether_addr(ibss_param->bssid))
1492 memcpy(vif->req_bssid, ibss_param->bssid,
1493 sizeof(vif->req_bssid));
1495 ath6kl_set_wpa_version(vif, 0);
1497 status = ath6kl_set_auth_type(vif, NL80211_AUTHTYPE_OPEN_SYSTEM);
1501 if (ibss_param->privacy) {
1502 ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, true);
1503 ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, false);
1505 ath6kl_set_cipher(vif, 0, true);
1506 ath6kl_set_cipher(vif, 0, false);
1509 vif->nw_type = vif->next_mode;
1511 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1512 "%s: connect called with authmode %d dot11 auth %d"
1513 " PW crypto %d PW crypto len %d GRP crypto %d"
1514 " GRP crypto len %d channel hint %u\n",
1516 vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto,
1517 vif->prwise_crypto_len, vif->grp_crypto,
1518 vif->grp_crypto_len, vif->ch_hint);
1520 status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type,
1521 vif->dot11_auth_mode, vif->auth_mode,
1523 vif->prwise_crypto_len,
1524 vif->grp_crypto, vif->grp_crypto_len,
1525 vif->ssid_len, vif->ssid,
1526 vif->req_bssid, vif->ch_hint,
1527 ar->connect_ctrl_flags, SUBTYPE_NONE);
1528 set_bit(CONNECT_PEND, &vif->flags);
1533 static int ath6kl_cfg80211_leave_ibss(struct wiphy *wiphy,
1534 struct net_device *dev)
1536 struct ath6kl_vif *vif = netdev_priv(dev);
1538 if (!ath6kl_cfg80211_ready(vif))
1541 ath6kl_disconnect(vif);
1542 memset(vif->ssid, 0, sizeof(vif->ssid));
1548 static const u32 cipher_suites[] = {
1549 WLAN_CIPHER_SUITE_WEP40,
1550 WLAN_CIPHER_SUITE_WEP104,
1551 WLAN_CIPHER_SUITE_TKIP,
1552 WLAN_CIPHER_SUITE_CCMP,
1553 CCKM_KRK_CIPHER_SUITE,
1554 WLAN_CIPHER_SUITE_SMS4,
1557 static bool is_rate_legacy(s32 rate)
1559 static const s32 legacy[] = { 1000, 2000, 5500, 11000,
1560 6000, 9000, 12000, 18000, 24000,
1565 for (i = 0; i < ARRAY_SIZE(legacy); i++)
1566 if (rate == legacy[i])
1572 static bool is_rate_ht20(s32 rate, u8 *mcs, bool *sgi)
1574 static const s32 ht20[] = { 6500, 13000, 19500, 26000, 39000,
1575 52000, 58500, 65000, 72200
1579 for (i = 0; i < ARRAY_SIZE(ht20); i++) {
1580 if (rate == ht20[i]) {
1581 if (i == ARRAY_SIZE(ht20) - 1)
1582 /* last rate uses sgi */
1594 static bool is_rate_ht40(s32 rate, u8 *mcs, bool *sgi)
1596 static const s32 ht40[] = { 13500, 27000, 40500, 54000,
1597 81000, 108000, 121500, 135000,
1602 for (i = 0; i < ARRAY_SIZE(ht40); i++) {
1603 if (rate == ht40[i]) {
1604 if (i == ARRAY_SIZE(ht40) - 1)
1605 /* last rate uses sgi */
1618 static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev,
1619 u8 *mac, struct station_info *sinfo)
1621 struct ath6kl *ar = ath6kl_priv(dev);
1622 struct ath6kl_vif *vif = netdev_priv(dev);
1629 if (memcmp(mac, vif->bssid, ETH_ALEN) != 0)
1632 if (down_interruptible(&ar->sem))
1635 set_bit(STATS_UPDATE_PEND, &vif->flags);
1637 ret = ath6kl_wmi_get_stats_cmd(ar->wmi, vif->fw_vif_idx);
1644 left = wait_event_interruptible_timeout(ar->event_wq,
1645 !test_bit(STATS_UPDATE_PEND,
1656 if (vif->target_stats.rx_byte) {
1657 sinfo->rx_bytes = vif->target_stats.rx_byte;
1658 sinfo->filled |= STATION_INFO_RX_BYTES;
1659 sinfo->rx_packets = vif->target_stats.rx_pkt;
1660 sinfo->filled |= STATION_INFO_RX_PACKETS;
1663 if (vif->target_stats.tx_byte) {
1664 sinfo->tx_bytes = vif->target_stats.tx_byte;
1665 sinfo->filled |= STATION_INFO_TX_BYTES;
1666 sinfo->tx_packets = vif->target_stats.tx_pkt;
1667 sinfo->filled |= STATION_INFO_TX_PACKETS;
1670 sinfo->signal = vif->target_stats.cs_rssi;
1671 sinfo->filled |= STATION_INFO_SIGNAL;
1673 rate = vif->target_stats.tx_ucast_rate;
1675 if (is_rate_legacy(rate)) {
1676 sinfo->txrate.legacy = rate / 100;
1677 } else if (is_rate_ht20(rate, &mcs, &sgi)) {
1679 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
1680 sinfo->txrate.mcs = mcs - 1;
1682 sinfo->txrate.mcs = mcs;
1685 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
1686 } else if (is_rate_ht40(rate, &mcs, &sgi)) {
1688 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
1689 sinfo->txrate.mcs = mcs - 1;
1691 sinfo->txrate.mcs = mcs;
1694 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
1695 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
1697 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1698 "invalid rate from stats: %d\n", rate);
1699 ath6kl_debug_war(ar, ATH6KL_WAR_INVALID_RATE);
1703 sinfo->filled |= STATION_INFO_TX_BITRATE;
1705 if (test_bit(CONNECTED, &vif->flags) &&
1706 test_bit(DTIM_PERIOD_AVAIL, &vif->flags) &&
1707 vif->nw_type == INFRA_NETWORK) {
1708 sinfo->filled |= STATION_INFO_BSS_PARAM;
1709 sinfo->bss_param.flags = 0;
1710 sinfo->bss_param.dtim_period = vif->assoc_bss_dtim_period;
1711 sinfo->bss_param.beacon_interval = vif->assoc_bss_beacon_int;
1717 static int ath6kl_set_pmksa(struct wiphy *wiphy, struct net_device *netdev,
1718 struct cfg80211_pmksa *pmksa)
1720 struct ath6kl *ar = ath6kl_priv(netdev);
1721 struct ath6kl_vif *vif = netdev_priv(netdev);
1723 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid,
1724 pmksa->pmkid, true);
1727 static int ath6kl_del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
1728 struct cfg80211_pmksa *pmksa)
1730 struct ath6kl *ar = ath6kl_priv(netdev);
1731 struct ath6kl_vif *vif = netdev_priv(netdev);
1733 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid,
1734 pmksa->pmkid, false);
1737 static int ath6kl_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev)
1739 struct ath6kl *ar = ath6kl_priv(netdev);
1740 struct ath6kl_vif *vif = netdev_priv(netdev);
1742 if (test_bit(CONNECTED, &vif->flags))
1743 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx,
1744 vif->bssid, NULL, false);
1748 static int ath6kl_wow_usr(struct ath6kl *ar, struct ath6kl_vif *vif,
1749 struct cfg80211_wowlan *wow, u32 *filter)
1752 u8 mask[WOW_MASK_SIZE];
1755 /* Configure the patterns that we received from the user. */
1756 for (i = 0; i < wow->n_patterns; i++) {
1759 * Convert given nl80211 specific mask value to equivalent
1760 * driver specific mask value and send it to the chip along
1761 * with patterns. For example, If the mask value defined in
1762 * struct cfg80211_wowlan is 0xA (equivalent binary is 1010),
1763 * then equivalent driver specific mask value is
1764 * "0xFF 0x00 0xFF 0x00".
1766 memset(&mask, 0, sizeof(mask));
1767 for (pos = 0; pos < wow->patterns[i].pattern_len; pos++) {
1768 if (wow->patterns[i].mask[pos / 8] & (0x1 << (pos % 8)))
1772 * Note: Pattern's offset is not passed as part of wowlan
1773 * parameter from CFG layer. So it's always passed as ZERO
1774 * to the firmware. It means, given WOW patterns are always
1775 * matched from the first byte of received pkt in the firmware.
1777 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1778 vif->fw_vif_idx, WOW_LIST_ID,
1779 wow->patterns[i].pattern_len,
1780 0 /* pattern offset */,
1781 wow->patterns[i].pattern, mask);
1786 if (wow->disconnect)
1787 *filter |= WOW_FILTER_OPTION_NWK_DISASSOC;
1790 *filter |= WOW_FILTER_OPTION_MAGIC_PACKET;
1792 if (wow->gtk_rekey_failure)
1793 *filter |= WOW_FILTER_OPTION_GTK_ERROR;
1795 if (wow->eap_identity_req)
1796 *filter |= WOW_FILTER_OPTION_EAP_REQ;
1798 if (wow->four_way_handshake)
1799 *filter |= WOW_FILTER_OPTION_8021X_4WAYHS;
1804 static int ath6kl_wow_ap(struct ath6kl *ar, struct ath6kl_vif *vif)
1806 static const u8 unicst_pattern[] = { 0x00, 0x00, 0x00,
1807 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1808 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1810 static const u8 unicst_mask[] = { 0x01, 0x00, 0x00,
1811 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1812 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1814 u8 unicst_offset = 0;
1815 static const u8 arp_pattern[] = { 0x08, 0x06 };
1816 static const u8 arp_mask[] = { 0xff, 0xff };
1818 static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 };
1819 static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 };
1820 u8 discvr_offset = 38;
1821 static const u8 dhcp_pattern[] = { 0xff, 0xff, 0xff, 0xff,
1822 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1823 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00,
1824 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1825 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1826 0x00, 0x00, 0x00, 0x00, 0x00, 0x43 /* port 67 */ };
1827 static const u8 dhcp_mask[] = { 0xff, 0xff, 0xff, 0xff,
1828 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1829 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff,
1830 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1831 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1832 0x00, 0x00, 0x00, 0x00, 0xff, 0xff /* port 67 */ };
1836 /* Setup unicast IP, EAPOL-like and ARP pkt pattern */
1837 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1838 vif->fw_vif_idx, WOW_LIST_ID,
1839 sizeof(unicst_pattern), unicst_offset,
1840 unicst_pattern, unicst_mask);
1842 ath6kl_err("failed to add WOW unicast IP pattern\n");
1846 /* Setup all ARP pkt pattern */
1847 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1848 vif->fw_vif_idx, WOW_LIST_ID,
1849 sizeof(arp_pattern), arp_offset,
1850 arp_pattern, arp_mask);
1852 ath6kl_err("failed to add WOW ARP pattern\n");
1857 * Setup multicast pattern for mDNS 224.0.0.251,
1858 * SSDP 239.255.255.250 and LLMNR 224.0.0.252
1860 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1861 vif->fw_vif_idx, WOW_LIST_ID,
1862 sizeof(discvr_pattern), discvr_offset,
1863 discvr_pattern, discvr_mask);
1865 ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n");
1869 /* Setup all DHCP broadcast pkt pattern */
1870 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1871 vif->fw_vif_idx, WOW_LIST_ID,
1872 sizeof(dhcp_pattern), dhcp_offset,
1873 dhcp_pattern, dhcp_mask);
1875 ath6kl_err("failed to add WOW DHCP broadcast pattern\n");
1882 static int ath6kl_wow_sta(struct ath6kl *ar, struct ath6kl_vif *vif)
1884 struct net_device *ndev = vif->ndev;
1885 static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 };
1886 static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 };
1887 u8 discvr_offset = 38;
1888 u8 mac_mask[ETH_ALEN];
1891 /* Setup unicast pkt pattern */
1892 memset(mac_mask, 0xff, ETH_ALEN);
1893 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1894 vif->fw_vif_idx, WOW_LIST_ID,
1895 ETH_ALEN, 0, ndev->dev_addr,
1898 ath6kl_err("failed to add WOW unicast pattern\n");
1903 * Setup multicast pattern for mDNS 224.0.0.251,
1904 * SSDP 239.255.255.250 and LLMNR 224.0.0.252
1906 if ((ndev->flags & IFF_ALLMULTI) ||
1907 (ndev->flags & IFF_MULTICAST && netdev_mc_count(ndev) > 0)) {
1908 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1909 vif->fw_vif_idx, WOW_LIST_ID,
1910 sizeof(discvr_pattern), discvr_offset,
1911 discvr_pattern, discvr_mask);
1913 ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR "
1922 static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow)
1924 struct in_device *in_dev;
1925 struct in_ifaddr *ifa;
1926 struct ath6kl_vif *vif;
1931 __be32 ips[MAX_IP_ADDRS];
1933 vif = ath6kl_vif_first(ar);
1937 if (!ath6kl_cfg80211_ready(vif))
1940 if (!test_bit(CONNECTED, &vif->flags))
1943 if (wow && (wow->n_patterns > WOW_MAX_FILTERS_PER_LIST))
1946 /* Clear existing WOW patterns */
1947 for (i = 0; i < WOW_MAX_FILTERS_PER_LIST; i++)
1948 ath6kl_wmi_del_wow_pattern_cmd(ar->wmi, vif->fw_vif_idx,
1952 * Skip the default WOW pattern configuration
1953 * if the driver receives any WOW patterns from
1957 ret = ath6kl_wow_usr(ar, vif, wow, &filter);
1958 else if (vif->nw_type == AP_NETWORK)
1959 ret = ath6kl_wow_ap(ar, vif);
1961 ret = ath6kl_wow_sta(ar, vif);
1966 netif_stop_queue(vif->ndev);
1968 if (vif->nw_type != AP_NETWORK) {
1969 ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
1970 ATH6KL_MAX_WOW_LISTEN_INTL,
1975 /* Set listen interval x 15 times as bmiss time */
1976 bmiss_time = ATH6KL_MAX_WOW_LISTEN_INTL * 15;
1977 if (bmiss_time > ATH6KL_MAX_BMISS_TIME)
1978 bmiss_time = ATH6KL_MAX_BMISS_TIME;
1980 ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx,
1985 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
1986 0xFFFF, 0, 0xFFFF, 0, 0, 0,
1992 ar->state = ATH6KL_STATE_SUSPENDING;
1994 /* Setup own IP addr for ARP agent. */
1995 in_dev = __in_dev_get_rtnl(vif->ndev);
1999 ifa = in_dev->ifa_list;
2000 memset(&ips, 0, sizeof(ips));
2002 /* Configure IP addr only if IP address count < MAX_IP_ADDRS */
2003 while (index < MAX_IP_ADDRS && ifa) {
2004 ips[index] = ifa->ifa_local;
2005 ifa = ifa->ifa_next;
2010 ath6kl_err("total IP addr count is exceeding fw limit\n");
2014 ret = ath6kl_wmi_set_ip_cmd(ar->wmi, vif->fw_vif_idx, ips[0], ips[1]);
2016 ath6kl_err("fail to setup ip for arp agent\n");
2021 ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx,
2022 ATH6KL_WOW_MODE_ENABLE,
2024 WOW_HOST_REQ_DELAY);
2028 clear_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2030 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2031 ATH6KL_HOST_MODE_ASLEEP);
2035 left = wait_event_interruptible_timeout(ar->event_wq,
2036 test_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags),
2039 ath6kl_warn("timeout, didn't get host sleep cmd "
2040 "processed event\n");
2042 } else if (left < 0) {
2043 ath6kl_warn("error while waiting for host sleep cmd "
2044 "processed event %d\n", left);
2048 if (ar->tx_pending[ar->ctrl_ep]) {
2049 left = wait_event_interruptible_timeout(ar->event_wq,
2050 ar->tx_pending[ar->ctrl_ep] == 0, WMI_TIMEOUT);
2052 ath6kl_warn("clear wmi ctrl data timeout\n");
2054 } else if (left < 0) {
2055 ath6kl_warn("clear wmi ctrl data failed: %d\n", left);
2063 static int ath6kl_wow_resume(struct ath6kl *ar)
2065 struct ath6kl_vif *vif;
2068 vif = ath6kl_vif_first(ar);
2072 ar->state = ATH6KL_STATE_RESUMING;
2074 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2075 ATH6KL_HOST_MODE_AWAKE);
2077 ath6kl_warn("Failed to configure host sleep mode for "
2078 "wow resume: %d\n", ret);
2079 ar->state = ATH6KL_STATE_WOW;
2083 if (vif->nw_type != AP_NETWORK) {
2084 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2085 0, 0, 0, 0, 0, 0, 3, 0, 0, 0);
2089 ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
2090 vif->listen_intvl_t, 0);
2094 ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx,
2095 vif->bmiss_time_t, 0);
2100 ar->state = ATH6KL_STATE_ON;
2102 netif_wake_queue(vif->ndev);
2107 int ath6kl_cfg80211_suspend(struct ath6kl *ar,
2108 enum ath6kl_cfg_suspend_mode mode,
2109 struct cfg80211_wowlan *wow)
2111 enum ath6kl_state prev_state;
2115 case ATH6KL_CFG_SUSPEND_WOW:
2117 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode suspend\n");
2119 /* Flush all non control pkts in TX path */
2120 ath6kl_tx_data_cleanup(ar);
2122 prev_state = ar->state;
2124 ret = ath6kl_wow_suspend(ar, wow);
2126 ar->state = prev_state;
2130 ar->state = ATH6KL_STATE_WOW;
2133 case ATH6KL_CFG_SUSPEND_DEEPSLEEP:
2135 ath6kl_cfg80211_stop_all(ar);
2137 /* save the current power mode before enabling power save */
2138 ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode;
2140 ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER);
2142 ath6kl_warn("wmi powermode command failed during suspend: %d\n",
2146 ar->state = ATH6KL_STATE_DEEPSLEEP;
2150 case ATH6KL_CFG_SUSPEND_CUTPOWER:
2152 ath6kl_cfg80211_stop_all(ar);
2154 if (ar->state == ATH6KL_STATE_OFF) {
2155 ath6kl_dbg(ATH6KL_DBG_SUSPEND,
2156 "suspend hw off, no action for cutpower\n");
2160 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "suspend cutting power\n");
2162 ret = ath6kl_init_hw_stop(ar);
2164 ath6kl_warn("failed to stop hw during suspend: %d\n",
2168 ar->state = ATH6KL_STATE_CUTPOWER;
2172 case ATH6KL_CFG_SUSPEND_SCHED_SCAN:
2174 * Nothing needed for schedule scan, firmware is already in
2175 * wow mode and sleeping most of the time.
2185 EXPORT_SYMBOL(ath6kl_cfg80211_suspend);
2187 int ath6kl_cfg80211_resume(struct ath6kl *ar)
2191 switch (ar->state) {
2192 case ATH6KL_STATE_WOW:
2193 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode resume\n");
2195 ret = ath6kl_wow_resume(ar);
2197 ath6kl_warn("wow mode resume failed: %d\n", ret);
2203 case ATH6KL_STATE_DEEPSLEEP:
2204 if (ar->wmi->pwr_mode != ar->wmi->saved_pwr_mode) {
2205 ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0,
2206 ar->wmi->saved_pwr_mode);
2208 ath6kl_warn("wmi powermode command failed during resume: %d\n",
2213 ar->state = ATH6KL_STATE_ON;
2217 case ATH6KL_STATE_CUTPOWER:
2218 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "resume restoring power\n");
2220 ret = ath6kl_init_hw_start(ar);
2222 ath6kl_warn("Failed to boot hw in resume: %d\n", ret);
2227 case ATH6KL_STATE_SCHED_SCAN:
2236 EXPORT_SYMBOL(ath6kl_cfg80211_resume);
2240 /* hif layer decides what suspend mode to use */
2241 static int __ath6kl_cfg80211_suspend(struct wiphy *wiphy,
2242 struct cfg80211_wowlan *wow)
2244 struct ath6kl *ar = wiphy_priv(wiphy);
2246 return ath6kl_hif_suspend(ar, wow);
2249 static int __ath6kl_cfg80211_resume(struct wiphy *wiphy)
2251 struct ath6kl *ar = wiphy_priv(wiphy);
2253 return ath6kl_hif_resume(ar);
2257 * FIXME: WOW suspend mode is selected if the host sdio controller supports
2258 * both sdio irq wake up and keep power. The target pulls sdio data line to
2259 * wake up the host when WOW pattern matches. This causes sdio irq handler
2260 * is being called in the host side which internally hits ath6kl's RX path.
2262 * Since sdio interrupt is not disabled, RX path executes even before
2263 * the host executes the actual resume operation from PM module.
2265 * In the current scenario, WOW resume should happen before start processing
2266 * any data from the target. So It's required to perform WOW resume in RX path.
2267 * Ideally we should perform WOW resume only in the actual platform
2268 * resume path. This area needs bit rework to avoid WOW resume in RX path.
2270 * ath6kl_check_wow_status() is called from ath6kl_rx().
2272 void ath6kl_check_wow_status(struct ath6kl *ar)
2274 if (ar->state == ATH6KL_STATE_SUSPENDING)
2277 if (ar->state == ATH6KL_STATE_WOW)
2278 ath6kl_cfg80211_resume(ar);
2283 void ath6kl_check_wow_status(struct ath6kl *ar)
2288 static int ath6kl_set_channel(struct wiphy *wiphy, struct net_device *dev,
2289 struct ieee80211_channel *chan,
2290 enum nl80211_channel_type channel_type)
2292 struct ath6kl_vif *vif;
2295 * 'dev' could be NULL if a channel change is required for the hardware
2296 * device itself, instead of a particular VIF.
2298 * FIXME: To be handled properly when monitor mode is supported.
2303 vif = netdev_priv(dev);
2305 if (!ath6kl_cfg80211_ready(vif))
2308 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: center_freq=%u hw_value=%u\n",
2309 __func__, chan->center_freq, chan->hw_value);
2310 vif->next_chan = chan->center_freq;
2315 static bool ath6kl_is_p2p_ie(const u8 *pos)
2317 return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 &&
2318 pos[2] == 0x50 && pos[3] == 0x6f &&
2319 pos[4] == 0x9a && pos[5] == 0x09;
2322 static int ath6kl_set_ap_probe_resp_ies(struct ath6kl_vif *vif,
2323 const u8 *ies, size_t ies_len)
2325 struct ath6kl *ar = vif->ar;
2332 * Filter out P2P IE(s) since they will be included depending on
2333 * the Probe Request frame in ath6kl_send_go_probe_resp().
2336 if (ies && ies_len) {
2337 buf = kmalloc(ies_len, GFP_KERNEL);
2341 while (pos + 1 < ies + ies_len) {
2342 if (pos + 2 + pos[1] > ies + ies_len)
2344 if (!ath6kl_is_p2p_ie(pos)) {
2345 memcpy(buf + len, pos, 2 + pos[1]);
2352 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2353 WMI_FRAME_PROBE_RESP, buf, len);
2358 static int ath6kl_set_ies(struct ath6kl_vif *vif,
2359 struct cfg80211_beacon_data *info)
2361 struct ath6kl *ar = vif->ar;
2364 if (info->beacon_ies) {
2365 res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2368 info->beacon_ies_len);
2373 if (info->proberesp_ies) {
2374 res = ath6kl_set_ap_probe_resp_ies(vif, info->proberesp_ies,
2375 info->proberesp_ies_len);
2380 if (info->assocresp_ies) {
2381 res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2382 WMI_FRAME_ASSOC_RESP,
2383 info->assocresp_ies,
2384 info->assocresp_ies_len);
2392 static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev,
2393 struct cfg80211_ap_settings *info)
2395 struct ath6kl *ar = ath6kl_priv(dev);
2396 struct ath6kl_vif *vif = netdev_priv(dev);
2397 struct ieee80211_mgmt *mgmt;
2398 bool hidden = false;
2401 struct wmi_connect_cmd p;
2405 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s:\n", __func__);
2407 if (!ath6kl_cfg80211_ready(vif))
2410 if (vif->next_mode != AP_NETWORK)
2413 res = ath6kl_set_ies(vif, &info->beacon);
2415 ar->ap_mode_bkey.valid = false;
2422 if (info->beacon.head == NULL)
2424 mgmt = (struct ieee80211_mgmt *) info->beacon.head;
2425 ies = mgmt->u.beacon.variable;
2426 if (ies > info->beacon.head + info->beacon.head_len)
2428 ies_len = info->beacon.head + info->beacon.head_len - ies;
2430 if (info->ssid == NULL)
2432 memcpy(vif->ssid, info->ssid, info->ssid_len);
2433 vif->ssid_len = info->ssid_len;
2434 if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE)
2437 res = ath6kl_wmi_ap_hidden_ssid(ar->wmi, vif->fw_vif_idx, hidden);
2441 ret = ath6kl_set_auth_type(vif, info->auth_type);
2445 memset(&p, 0, sizeof(p));
2447 for (i = 0; i < info->crypto.n_akm_suites; i++) {
2448 switch (info->crypto.akm_suites[i]) {
2449 case WLAN_AKM_SUITE_8021X:
2450 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1)
2451 p.auth_mode |= WPA_AUTH;
2452 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2)
2453 p.auth_mode |= WPA2_AUTH;
2455 case WLAN_AKM_SUITE_PSK:
2456 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1)
2457 p.auth_mode |= WPA_PSK_AUTH;
2458 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2)
2459 p.auth_mode |= WPA2_PSK_AUTH;
2463 if (p.auth_mode == 0)
2464 p.auth_mode = NONE_AUTH;
2465 vif->auth_mode = p.auth_mode;
2467 for (i = 0; i < info->crypto.n_ciphers_pairwise; i++) {
2468 switch (info->crypto.ciphers_pairwise[i]) {
2469 case WLAN_CIPHER_SUITE_WEP40:
2470 case WLAN_CIPHER_SUITE_WEP104:
2471 p.prwise_crypto_type |= WEP_CRYPT;
2473 case WLAN_CIPHER_SUITE_TKIP:
2474 p.prwise_crypto_type |= TKIP_CRYPT;
2476 case WLAN_CIPHER_SUITE_CCMP:
2477 p.prwise_crypto_type |= AES_CRYPT;
2479 case WLAN_CIPHER_SUITE_SMS4:
2480 p.prwise_crypto_type |= WAPI_CRYPT;
2484 if (p.prwise_crypto_type == 0) {
2485 p.prwise_crypto_type = NONE_CRYPT;
2486 ath6kl_set_cipher(vif, 0, true);
2487 } else if (info->crypto.n_ciphers_pairwise == 1)
2488 ath6kl_set_cipher(vif, info->crypto.ciphers_pairwise[0], true);
2490 switch (info->crypto.cipher_group) {
2491 case WLAN_CIPHER_SUITE_WEP40:
2492 case WLAN_CIPHER_SUITE_WEP104:
2493 p.grp_crypto_type = WEP_CRYPT;
2495 case WLAN_CIPHER_SUITE_TKIP:
2496 p.grp_crypto_type = TKIP_CRYPT;
2498 case WLAN_CIPHER_SUITE_CCMP:
2499 p.grp_crypto_type = AES_CRYPT;
2501 case WLAN_CIPHER_SUITE_SMS4:
2502 p.grp_crypto_type = WAPI_CRYPT;
2505 p.grp_crypto_type = NONE_CRYPT;
2508 ath6kl_set_cipher(vif, info->crypto.cipher_group, false);
2510 p.nw_type = AP_NETWORK;
2511 vif->nw_type = vif->next_mode;
2513 p.ssid_len = vif->ssid_len;
2514 memcpy(p.ssid, vif->ssid, vif->ssid_len);
2515 p.dot11_auth_mode = vif->dot11_auth_mode;
2516 p.ch = cpu_to_le16(vif->next_chan);
2518 /* Enable uAPSD support by default */
2519 res = ath6kl_wmi_ap_set_apsd(ar->wmi, vif->fw_vif_idx, true);
2523 if (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) {
2524 p.nw_subtype = SUBTYPE_P2PGO;
2527 * Due to firmware limitation, it is not possible to
2528 * do P2P mgmt operations in AP mode
2530 p.nw_subtype = SUBTYPE_NONE;
2533 res = ath6kl_wmi_ap_profile_commit(ar->wmi, vif->fw_vif_idx, &p);
2540 static int ath6kl_change_beacon(struct wiphy *wiphy, struct net_device *dev,
2541 struct cfg80211_beacon_data *beacon)
2543 struct ath6kl_vif *vif = netdev_priv(dev);
2545 if (!ath6kl_cfg80211_ready(vif))
2548 if (vif->next_mode != AP_NETWORK)
2551 return ath6kl_set_ies(vif, beacon);
2554 static int ath6kl_stop_ap(struct wiphy *wiphy, struct net_device *dev)
2556 struct ath6kl *ar = ath6kl_priv(dev);
2557 struct ath6kl_vif *vif = netdev_priv(dev);
2559 if (vif->nw_type != AP_NETWORK)
2561 if (!test_bit(CONNECTED, &vif->flags))
2564 ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx);
2565 clear_bit(CONNECTED, &vif->flags);
2570 static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
2572 static int ath6kl_del_station(struct wiphy *wiphy, struct net_device *dev,
2575 struct ath6kl *ar = ath6kl_priv(dev);
2576 struct ath6kl_vif *vif = netdev_priv(dev);
2577 const u8 *addr = mac ? mac : bcast_addr;
2579 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, WMI_AP_DEAUTH,
2580 addr, WLAN_REASON_PREV_AUTH_NOT_VALID);
2583 static int ath6kl_change_station(struct wiphy *wiphy, struct net_device *dev,
2584 u8 *mac, struct station_parameters *params)
2586 struct ath6kl *ar = ath6kl_priv(dev);
2587 struct ath6kl_vif *vif = netdev_priv(dev);
2589 if (vif->nw_type != AP_NETWORK)
2592 /* Use this only for authorizing/unauthorizing a station */
2593 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
2596 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED))
2597 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx,
2598 WMI_AP_MLME_AUTHORIZE, mac, 0);
2599 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx,
2600 WMI_AP_MLME_UNAUTHORIZE, mac, 0);
2603 static int ath6kl_remain_on_channel(struct wiphy *wiphy,
2604 struct net_device *dev,
2605 struct ieee80211_channel *chan,
2606 enum nl80211_channel_type channel_type,
2607 unsigned int duration,
2610 struct ath6kl *ar = ath6kl_priv(dev);
2611 struct ath6kl_vif *vif = netdev_priv(dev);
2614 /* TODO: if already pending or ongoing remain-on-channel,
2616 id = ++vif->last_roc_id;
2618 /* Do not use 0 as the cookie value */
2619 id = ++vif->last_roc_id;
2623 return ath6kl_wmi_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx,
2624 chan->center_freq, duration);
2627 static int ath6kl_cancel_remain_on_channel(struct wiphy *wiphy,
2628 struct net_device *dev,
2631 struct ath6kl *ar = ath6kl_priv(dev);
2632 struct ath6kl_vif *vif = netdev_priv(dev);
2634 if (cookie != vif->last_roc_id)
2636 vif->last_cancel_roc_id = cookie;
2638 return ath6kl_wmi_cancel_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx);
2641 static int ath6kl_send_go_probe_resp(struct ath6kl_vif *vif,
2642 const u8 *buf, size_t len,
2645 struct ath6kl *ar = vif->ar;
2650 const struct ieee80211_mgmt *mgmt;
2652 mgmt = (const struct ieee80211_mgmt *) buf;
2654 /* Include P2P IE(s) from the frame generated in user space. */
2656 p2p = kmalloc(len, GFP_KERNEL);
2661 pos = mgmt->u.probe_resp.variable;
2662 while (pos + 1 < buf + len) {
2663 if (pos + 2 + pos[1] > buf + len)
2665 if (ath6kl_is_p2p_ie(pos)) {
2666 memcpy(p2p + p2p_len, pos, 2 + pos[1]);
2667 p2p_len += 2 + pos[1];
2672 ret = ath6kl_wmi_send_probe_response_cmd(ar->wmi, vif->fw_vif_idx, freq,
2673 mgmt->da, p2p, p2p_len);
2678 static bool ath6kl_mgmt_powersave_ap(struct ath6kl_vif *vif,
2687 struct ieee80211_mgmt *mgmt;
2688 struct ath6kl_sta *conn;
2689 bool is_psq_empty = false;
2690 struct ath6kl_mgmt_buff *mgmt_buf;
2691 size_t mgmt_buf_size;
2692 struct ath6kl *ar = vif->ar;
2694 mgmt = (struct ieee80211_mgmt *) buf;
2695 if (is_multicast_ether_addr(mgmt->da))
2698 conn = ath6kl_find_sta(vif, mgmt->da);
2702 if (conn->sta_flags & STA_PS_SLEEP) {
2703 if (!(conn->sta_flags & STA_PS_POLLED)) {
2704 /* Queue the frames if the STA is sleeping */
2705 mgmt_buf_size = len + sizeof(struct ath6kl_mgmt_buff);
2706 mgmt_buf = kmalloc(mgmt_buf_size, GFP_KERNEL);
2710 INIT_LIST_HEAD(&mgmt_buf->list);
2712 mgmt_buf->freq = freq;
2713 mgmt_buf->wait = wait;
2714 mgmt_buf->len = len;
2715 mgmt_buf->no_cck = no_cck;
2716 memcpy(mgmt_buf->buf, buf, len);
2717 spin_lock_bh(&conn->psq_lock);
2718 is_psq_empty = skb_queue_empty(&conn->psq) &&
2719 (conn->mgmt_psq_len == 0);
2720 list_add_tail(&mgmt_buf->list, &conn->mgmt_psq);
2721 conn->mgmt_psq_len++;
2722 spin_unlock_bh(&conn->psq_lock);
2725 * If this is the first pkt getting queued
2726 * for this STA, update the PVB for this
2730 ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx,
2736 * This tx is because of a PsPoll.
2737 * Determine if MoreData bit has to be set.
2739 spin_lock_bh(&conn->psq_lock);
2740 if (!skb_queue_empty(&conn->psq) || (conn->mgmt_psq_len != 0))
2742 spin_unlock_bh(&conn->psq_lock);
2748 static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
2749 struct ieee80211_channel *chan, bool offchan,
2750 enum nl80211_channel_type channel_type,
2751 bool channel_type_valid, unsigned int wait,
2752 const u8 *buf, size_t len, bool no_cck,
2753 bool dont_wait_for_ack, u64 *cookie)
2755 struct ath6kl *ar = ath6kl_priv(dev);
2756 struct ath6kl_vif *vif = netdev_priv(dev);
2758 const struct ieee80211_mgmt *mgmt;
2759 bool more_data, queued;
2761 mgmt = (const struct ieee80211_mgmt *) buf;
2762 if (buf + len >= mgmt->u.probe_resp.variable &&
2763 vif->nw_type == AP_NETWORK && test_bit(CONNECTED, &vif->flags) &&
2764 ieee80211_is_probe_resp(mgmt->frame_control)) {
2766 * Send Probe Response frame in AP mode using a separate WMI
2767 * command to allow the target to fill in the generic IEs.
2769 *cookie = 0; /* TX status not supported */
2770 return ath6kl_send_go_probe_resp(vif, buf, len,
2774 id = vif->send_action_id++;
2777 * 0 is a reserved value in the WMI command and shall not be
2778 * used for the command.
2780 id = vif->send_action_id++;
2785 /* AP mode Power saving processing */
2786 if (vif->nw_type == AP_NETWORK) {
2787 queued = ath6kl_mgmt_powersave_ap(vif,
2788 id, chan->center_freq,
2790 len, &more_data, no_cck);
2795 return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id,
2796 chan->center_freq, wait,
2800 static void ath6kl_mgmt_frame_register(struct wiphy *wiphy,
2801 struct net_device *dev,
2802 u16 frame_type, bool reg)
2804 struct ath6kl_vif *vif = netdev_priv(dev);
2806 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: frame_type=0x%x reg=%d\n",
2807 __func__, frame_type, reg);
2808 if (frame_type == IEEE80211_STYPE_PROBE_REQ) {
2810 * Note: This notification callback is not allowed to sleep, so
2811 * we cannot send WMI_PROBE_REQ_REPORT_CMD here. Instead, we
2812 * hardcode target to report Probe Request frames all the time.
2814 vif->probe_req_report = reg;
2818 static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy,
2819 struct net_device *dev,
2820 struct cfg80211_sched_scan_request *request)
2822 struct ath6kl *ar = ath6kl_priv(dev);
2823 struct ath6kl_vif *vif = netdev_priv(dev);
2828 if (ar->state != ATH6KL_STATE_ON)
2831 if (vif->sme_state != SME_DISCONNECTED)
2834 for (i = 0; i < ar->wiphy->max_sched_scan_ssids; i++) {
2835 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx,
2836 i, DISABLE_SSID_FLAG,
2840 /* fw uses seconds, also make sure that it's >0 */
2841 interval = max_t(u16, 1, request->interval / 1000);
2843 ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2845 10, 0, 0, 0, 3, 0, 0, 0);
2847 if (request->n_ssids && request->ssids[0].ssid_len) {
2848 for (i = 0; i < request->n_ssids; i++) {
2849 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx,
2850 i, SPECIFIC_SSID_FLAG,
2851 request->ssids[i].ssid_len,
2852 request->ssids[i].ssid);
2856 ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx,
2857 ATH6KL_WOW_MODE_ENABLE,
2859 WOW_HOST_REQ_DELAY);
2861 ath6kl_warn("Failed to enable wow with ssid filter: %d\n", ret);
2865 /* this also clears IE in fw if it's not set */
2866 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2867 WMI_FRAME_PROBE_REQ,
2868 request->ie, request->ie_len);
2870 ath6kl_warn("Failed to set probe request IE for scheduled scan: %d",
2875 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2876 ATH6KL_HOST_MODE_ASLEEP);
2878 ath6kl_warn("Failed to enable host sleep mode for sched scan: %d\n",
2883 ar->state = ATH6KL_STATE_SCHED_SCAN;
2888 static int ath6kl_cfg80211_sscan_stop(struct wiphy *wiphy,
2889 struct net_device *dev)
2891 struct ath6kl_vif *vif = netdev_priv(dev);
2894 stopped = __ath6kl_cfg80211_sscan_stop(vif);
2902 static const struct ieee80211_txrx_stypes
2903 ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = {
2904 [NL80211_IFTYPE_STATION] = {
2905 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
2906 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
2907 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
2908 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
2910 [NL80211_IFTYPE_AP] = {
2911 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
2912 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
2913 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
2914 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
2916 [NL80211_IFTYPE_P2P_CLIENT] = {
2917 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
2918 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
2919 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
2920 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
2922 [NL80211_IFTYPE_P2P_GO] = {
2923 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
2924 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
2925 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
2926 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
2930 static struct cfg80211_ops ath6kl_cfg80211_ops = {
2931 .add_virtual_intf = ath6kl_cfg80211_add_iface,
2932 .del_virtual_intf = ath6kl_cfg80211_del_iface,
2933 .change_virtual_intf = ath6kl_cfg80211_change_iface,
2934 .scan = ath6kl_cfg80211_scan,
2935 .connect = ath6kl_cfg80211_connect,
2936 .disconnect = ath6kl_cfg80211_disconnect,
2937 .add_key = ath6kl_cfg80211_add_key,
2938 .get_key = ath6kl_cfg80211_get_key,
2939 .del_key = ath6kl_cfg80211_del_key,
2940 .set_default_key = ath6kl_cfg80211_set_default_key,
2941 .set_wiphy_params = ath6kl_cfg80211_set_wiphy_params,
2942 .set_tx_power = ath6kl_cfg80211_set_txpower,
2943 .get_tx_power = ath6kl_cfg80211_get_txpower,
2944 .set_power_mgmt = ath6kl_cfg80211_set_power_mgmt,
2945 .join_ibss = ath6kl_cfg80211_join_ibss,
2946 .leave_ibss = ath6kl_cfg80211_leave_ibss,
2947 .get_station = ath6kl_get_station,
2948 .set_pmksa = ath6kl_set_pmksa,
2949 .del_pmksa = ath6kl_del_pmksa,
2950 .flush_pmksa = ath6kl_flush_pmksa,
2951 CFG80211_TESTMODE_CMD(ath6kl_tm_cmd)
2953 .suspend = __ath6kl_cfg80211_suspend,
2954 .resume = __ath6kl_cfg80211_resume,
2956 .set_channel = ath6kl_set_channel,
2957 .start_ap = ath6kl_start_ap,
2958 .change_beacon = ath6kl_change_beacon,
2959 .stop_ap = ath6kl_stop_ap,
2960 .del_station = ath6kl_del_station,
2961 .change_station = ath6kl_change_station,
2962 .remain_on_channel = ath6kl_remain_on_channel,
2963 .cancel_remain_on_channel = ath6kl_cancel_remain_on_channel,
2964 .mgmt_tx = ath6kl_mgmt_tx,
2965 .mgmt_frame_register = ath6kl_mgmt_frame_register,
2966 .sched_scan_start = ath6kl_cfg80211_sscan_start,
2967 .sched_scan_stop = ath6kl_cfg80211_sscan_stop,
2970 void ath6kl_cfg80211_stop(struct ath6kl_vif *vif)
2972 ath6kl_cfg80211_sscan_disable(vif);
2974 switch (vif->sme_state) {
2975 case SME_DISCONNECTED:
2977 case SME_CONNECTING:
2978 cfg80211_connect_result(vif->ndev, vif->bssid, NULL, 0,
2980 WLAN_STATUS_UNSPECIFIED_FAILURE,
2984 cfg80211_disconnected(vif->ndev, 0, NULL, 0, GFP_KERNEL);
2988 if (test_bit(CONNECTED, &vif->flags) ||
2989 test_bit(CONNECT_PEND, &vif->flags))
2990 ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx);
2992 vif->sme_state = SME_DISCONNECTED;
2993 clear_bit(CONNECTED, &vif->flags);
2994 clear_bit(CONNECT_PEND, &vif->flags);
2996 /* disable scanning */
2997 if (ath6kl_wmi_scanparams_cmd(vif->ar->wmi, vif->fw_vif_idx, 0xFFFF,
2998 0, 0, 0, 0, 0, 0, 0, 0, 0) != 0)
2999 ath6kl_warn("failed to disable scan during stop\n");
3001 ath6kl_cfg80211_scan_complete_event(vif, true);
3004 void ath6kl_cfg80211_stop_all(struct ath6kl *ar)
3006 struct ath6kl_vif *vif;
3008 vif = ath6kl_vif_first(ar);
3010 /* save the current power mode before enabling power save */
3011 ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode;
3013 if (ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER) != 0)
3014 ath6kl_warn("ath6kl_deep_sleep_enable: "
3015 "wmi_powermode_cmd failed\n");
3020 * FIXME: we should take ar->list_lock to protect changes in the
3021 * vif_list, but that's not trivial to do as ath6kl_cfg80211_stop()
3024 list_for_each_entry(vif, &ar->vif_list, list)
3025 ath6kl_cfg80211_stop(vif);
3028 static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif)
3030 vif->aggr_cntxt = aggr_init(vif);
3031 if (!vif->aggr_cntxt) {
3032 ath6kl_err("failed to initialize aggr\n");
3036 setup_timer(&vif->disconnect_timer, disconnect_timer_handler,
3037 (unsigned long) vif->ndev);
3038 setup_timer(&vif->sched_scan_timer, ath6kl_wmi_sscan_timer,
3039 (unsigned long) vif);
3041 set_bit(WMM_ENABLED, &vif->flags);
3042 spin_lock_init(&vif->if_lock);
3044 INIT_LIST_HEAD(&vif->mc_filter);
3049 void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif *vif)
3051 struct ath6kl *ar = vif->ar;
3052 struct ath6kl_mc_filter *mc_filter, *tmp;
3054 aggr_module_destroy(vif->aggr_cntxt);
3056 ar->avail_idx_map |= BIT(vif->fw_vif_idx);
3058 if (vif->nw_type == ADHOC_NETWORK)
3059 ar->ibss_if_active = false;
3061 list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) {
3062 list_del(&mc_filter->list);
3066 unregister_netdevice(vif->ndev);
3071 struct net_device *ath6kl_interface_add(struct ath6kl *ar, char *name,
3072 enum nl80211_iftype type, u8 fw_vif_idx,
3075 struct net_device *ndev;
3076 struct ath6kl_vif *vif;
3078 ndev = alloc_netdev(sizeof(*vif), name, ether_setup);
3082 vif = netdev_priv(ndev);
3083 ndev->ieee80211_ptr = &vif->wdev;
3084 vif->wdev.wiphy = ar->wiphy;
3087 SET_NETDEV_DEV(ndev, wiphy_dev(vif->wdev.wiphy));
3088 vif->wdev.netdev = ndev;
3089 vif->wdev.iftype = type;
3090 vif->fw_vif_idx = fw_vif_idx;
3091 vif->nw_type = vif->next_mode = nw_type;
3092 vif->listen_intvl_t = ATH6KL_DEFAULT_LISTEN_INTVAL;
3093 vif->bmiss_time_t = ATH6KL_DEFAULT_BMISS_TIME;
3095 memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN);
3096 if (fw_vif_idx != 0)
3097 ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << fw_vif_idx)) |
3102 ath6kl_init_control_info(vif);
3104 if (ath6kl_cfg80211_vif_init(vif))
3107 if (register_netdevice(ndev))
3110 ar->avail_idx_map &= ~BIT(fw_vif_idx);
3111 vif->sme_state = SME_DISCONNECTED;
3112 set_bit(WLAN_ENABLED, &vif->flags);
3113 ar->wlan_pwr_state = WLAN_POWER_STATE_ON;
3114 set_bit(NETDEV_REGISTERED, &vif->flags);
3116 if (type == NL80211_IFTYPE_ADHOC)
3117 ar->ibss_if_active = true;
3119 spin_lock_bh(&ar->list_lock);
3120 list_add_tail(&vif->list, &ar->vif_list);
3121 spin_unlock_bh(&ar->list_lock);
3126 aggr_module_destroy(vif->aggr_cntxt);
3131 int ath6kl_cfg80211_init(struct ath6kl *ar)
3133 struct wiphy *wiphy = ar->wiphy;
3136 wiphy->mgmt_stypes = ath6kl_mgmt_stypes;
3138 wiphy->max_remain_on_channel_duration = 5000;
3140 /* set device pointer for wiphy */
3141 set_wiphy_dev(wiphy, ar->dev);
3143 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
3144 BIT(NL80211_IFTYPE_ADHOC) |
3145 BIT(NL80211_IFTYPE_AP);
3147 wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) |
3148 BIT(NL80211_IFTYPE_P2P_CLIENT);
3151 /* max num of ssids that can be probed during scanning */
3152 wiphy->max_scan_ssids = MAX_PROBED_SSID_INDEX;
3153 wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */
3154 wiphy->bands[IEEE80211_BAND_2GHZ] = &ath6kl_band_2ghz;
3155 wiphy->bands[IEEE80211_BAND_5GHZ] = &ath6kl_band_5ghz;
3156 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
3158 wiphy->cipher_suites = cipher_suites;
3159 wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
3161 wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT |
3162 WIPHY_WOWLAN_DISCONNECT |
3163 WIPHY_WOWLAN_GTK_REKEY_FAILURE |
3164 WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
3165 WIPHY_WOWLAN_EAP_IDENTITY_REQ |
3166 WIPHY_WOWLAN_4WAY_HANDSHAKE;
3167 wiphy->wowlan.n_patterns = WOW_MAX_FILTERS_PER_LIST;
3168 wiphy->wowlan.pattern_min_len = 1;
3169 wiphy->wowlan.pattern_max_len = WOW_PATTERN_SIZE;
3171 wiphy->max_sched_scan_ssids = 10;
3173 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM |
3174 WIPHY_FLAG_HAVE_AP_SME |
3175 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
3176 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
3178 if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN, ar->fw_capabilities))
3179 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
3181 ar->wiphy->probe_resp_offload =
3182 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
3183 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
3184 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P |
3185 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_80211U;
3187 ret = wiphy_register(wiphy);
3189 ath6kl_err("couldn't register wiphy device\n");
3193 ar->wiphy_registered = true;
3198 void ath6kl_cfg80211_cleanup(struct ath6kl *ar)
3200 wiphy_unregister(ar->wiphy);
3202 ar->wiphy_registered = false;
3205 struct ath6kl *ath6kl_cfg80211_create(void)
3208 struct wiphy *wiphy;
3210 /* create a new wiphy for use with cfg80211 */
3211 wiphy = wiphy_new(&ath6kl_cfg80211_ops, sizeof(struct ath6kl));
3214 ath6kl_err("couldn't allocate wiphy device\n");
3218 ar = wiphy_priv(wiphy);
3224 /* Note: ar variable must not be accessed after calling this! */
3225 void ath6kl_cfg80211_destroy(struct ath6kl *ar)
3229 for (i = 0; i < AP_MAX_NUM_STA; i++)
3230 kfree(ar->sta_list[i].aggr_conn);
3232 wiphy_free(ar->wiphy);