WPA_SUPPLICANT(8): Remove unused files

Remove unused files which may make trouble during FreeBSD baseline
updates.  It also increased the compile-time of the library for nothing.

Update #3472.

2 files changed, 0 insertions, 4222 deletions

diff --git a/freebsd/contrib/wpa/src/rsn_supp/tdls.c b/freebsd/contrib/wpa/src/rsn_supp/tdls.c
deleted file mode 100644
index 337fb80c..00000000
--- a/freebsd/contrib/wpa/src/rsn_supp/tdls.c
+++ /dev/null
@@ -1,3054 +0,0 @@
-#include <machine/rtems-bsd-user-space.h>
-
-/*
- * wpa_supplicant - TDLS
- * Copyright (c) 2010-2011, Atheros Communications
- *
- * This software may be distributed under the terms of the BSD license.
- * See README for more details.
- */
-
-#include "utils/includes.h"
-
-#include "utils/common.h"
-#include "utils/eloop.h"
-#include "utils/os.h"
-#include "common/ieee802_11_defs.h"
-#include "common/ieee802_11_common.h"
-#include "crypto/sha256.h"
-#include "crypto/crypto.h"
-#include "crypto/aes_wrap.h"
-#include "rsn_supp/wpa.h"
-#include "rsn_supp/wpa_ie.h"
-#include "rsn_supp/wpa_i.h"
-#include "drivers/driver.h"
-#include "l2_packet/l2_packet.h"
-
-#if defined(__rtems__) && defined(CONFIG_TDLS)
-#ifdef CONFIG_TDLS_TESTING
-#define TDLS_TESTING_LONG_FRAME BIT(0)
-#define TDLS_TESTING_ALT_RSN_IE BIT(1)
-#define TDLS_TESTING_DIFF_BSSID BIT(2)
-#define TDLS_TESTING_SHORT_LIFETIME BIT(3)
-#define TDLS_TESTING_WRONG_LIFETIME_RESP BIT(4)
-#define TDLS_TESTING_WRONG_LIFETIME_CONF BIT(5)
-#define TDLS_TESTING_LONG_LIFETIME BIT(6)
-#define TDLS_TESTING_CONCURRENT_INIT BIT(7)
-#define TDLS_TESTING_NO_TPK_EXPIRATION BIT(8)
-#define TDLS_TESTING_DECLINE_RESP BIT(9)
-#define TDLS_TESTING_IGNORE_AP_PROHIBIT BIT(10)
-#define TDLS_TESTING_WRONG_MIC BIT(11)
-unsigned int tdls_testing = 0;
-#endif /* CONFIG_TDLS_TESTING */
-
-#define TPK_LIFETIME 43200 /* 12 hours */
-#define TPK_M1_RETRY_COUNT 3
-#define TPK_M1_TIMEOUT 5000 /* in milliseconds */
-#define TPK_M2_RETRY_COUNT 10
-#define TPK_M2_TIMEOUT 500 /* in milliseconds */
-
-#define TDLS_MIC_LEN		16
-
-#define TDLS_TIMEOUT_LEN	4
-
-struct wpa_tdls_ftie {
-	u8 ie_type; /* FTIE */
-	u8 ie_len;
-	u8 mic_ctrl[2];
-	u8 mic[TDLS_MIC_LEN];
-	u8 Anonce[WPA_NONCE_LEN]; /* Responder Nonce in TDLS */
-	u8 Snonce[WPA_NONCE_LEN]; /* Initiator Nonce in TDLS */
-	/* followed by optional elements */
-} STRUCT_PACKED;
-
-struct wpa_tdls_timeoutie {
-	u8 ie_type; /* Timeout IE */
-	u8 ie_len;
-	u8 interval_type;
-	u8 value[TDLS_TIMEOUT_LEN];
-} STRUCT_PACKED;
-
-struct wpa_tdls_lnkid {
-	u8 ie_type; /* Link Identifier IE */
-	u8 ie_len;
-	u8 bssid[ETH_ALEN];
-	u8 init_sta[ETH_ALEN];
-	u8 resp_sta[ETH_ALEN];
-} STRUCT_PACKED;
-
-/* TDLS frame headers as per IEEE Std 802.11z-2010 */
-struct wpa_tdls_frame {
-	u8 payloadtype; /* IEEE80211_TDLS_RFTYPE */
-	u8 category; /* Category */
-	u8 action; /* Action (enum tdls_frame_type) */
-} STRUCT_PACKED;
-
-static u8 * wpa_add_tdls_timeoutie(u8 *pos, u8 *ie, size_t ie_len, u32 tsecs);
-static void wpa_tdls_tpk_retry_timeout(void *eloop_ctx, void *timeout_ctx);
-static void wpa_tdls_peer_free(struct wpa_sm *sm, struct wpa_tdls_peer *peer);
-static void wpa_tdls_disable_peer_link(struct wpa_sm *sm,
-				       struct wpa_tdls_peer *peer);
-static int wpa_tdls_send_teardown(struct wpa_sm *sm, const u8 *addr,
-				  u16 reason_code);
-
-
-#define TDLS_MAX_IE_LEN 80
-#define IEEE80211_MAX_SUPP_RATES 32
-
-struct wpa_tdls_peer {
-	struct wpa_tdls_peer *next;
-	unsigned int reconfig_key:1;
-	int initiator; /* whether this end was initiator for TDLS setup */
-	u8 addr[ETH_ALEN]; /* other end MAC address */
-	u8 inonce[WPA_NONCE_LEN]; /* Initiator Nonce */
-	u8 rnonce[WPA_NONCE_LEN]; /* Responder Nonce */
-	u8 rsnie_i[TDLS_MAX_IE_LEN]; /* Initiator RSN IE */
-	size_t rsnie_i_len;
-	u8 rsnie_p[TDLS_MAX_IE_LEN]; /* Peer RSN IE */
-	size_t rsnie_p_len;
-	u32 lifetime;
-	int cipher; /* Selected cipher (WPA_CIPHER_*) */
-	u8 dtoken;
-
-	struct tpk {
-		u8 kck[16]; /* TPK-KCK */
-		u8 tk[16]; /* TPK-TK; assuming only CCMP will be used */
-	} tpk;
-	int tpk_set;
-	int tk_set; /* TPK-TK configured to the driver */
-	int tpk_success;
-	int tpk_in_progress;
-
-	struct tpk_timer {
-		u8 dest[ETH_ALEN];
-		int count;      /* Retry Count */
-		int timer;      /* Timeout in milliseconds */
-		u8 action_code; /* TDLS frame type */
-		u8 dialog_token;
-		u16 status_code;
-		u32 peer_capab;
-		int buf_len;    /* length of TPK message for retransmission */
-		u8 *buf;        /* buffer for TPK message */
-	} sm_tmr;
-
-	u16 capability;
-
-	u8 supp_rates[IEEE80211_MAX_SUPP_RATES];
-	size_t supp_rates_len;
-
-	struct ieee80211_ht_capabilities *ht_capabilities;
-	struct ieee80211_vht_capabilities *vht_capabilities;
-
-	u8 qos_info;
-
-	u16 aid;
-
-	u8 *ext_capab;
-	size_t ext_capab_len;
-
-	u8 *supp_channels;
-	size_t supp_channels_len;
-
-	u8 *supp_oper_classes;
-	size_t supp_oper_classes_len;
-
-	u8 wmm_capable;
-
-	/* channel switch currently enabled */
-	int chan_switch_enabled;
-};
-
-
-static int wpa_tdls_get_privacy(struct wpa_sm *sm)
-{
-	/*
-	 * Get info needed from supplicant to check if the current BSS supports
-	 * security. Other than OPEN mode, rest are considered secured
-	 * WEP/WPA/WPA2 hence TDLS frames are processed for TPK handshake.
-	 */
-	return sm->pairwise_cipher != WPA_CIPHER_NONE;
-}
-
-
-static u8 * wpa_add_ie(u8 *pos, const u8 *ie, size_t ie_len)
-{
-	os_memcpy(pos, ie, ie_len);
-	return pos + ie_len;
-}
-
-
-static int wpa_tdls_del_key(struct wpa_sm *sm, struct wpa_tdls_peer *peer)
-{
-	if (wpa_sm_set_key(sm, WPA_ALG_NONE, peer->addr,
-			   0, 0, NULL, 0, NULL, 0) < 0) {
-		wpa_printf(MSG_WARNING, "TDLS: Failed to delete TPK-TK from "
-			   "the driver");
-		return -1;
-	}
-
-	return 0;
-}
-
-
-static int wpa_tdls_set_key(struct wpa_sm *sm, struct wpa_tdls_peer *peer)
-{
-	u8 key_len;
-	u8 rsc[6];
-	enum wpa_alg alg;
-
-	if (peer->tk_set) {
-		/*
-		 * This same TPK-TK has already been configured to the driver
-		 * and this new configuration attempt (likely due to an
-		 * unexpected retransmitted frame) would result in clearing
-		 * the TX/RX sequence number which can break security, so must
-		 * not allow that to happen.
-		 */
-		wpa_printf(MSG_INFO, "TDLS: TPK-TK for the peer " MACSTR
-			   " has already been configured to the driver - do not reconfigure",
-			   MAC2STR(peer->addr));
-		return -1;
-	}
-
-	os_memset(rsc, 0, 6);
-
-	switch (peer->cipher) {
-	case WPA_CIPHER_CCMP:
-		alg = WPA_ALG_CCMP;
-		key_len = 16;
-		break;
-	case WPA_CIPHER_NONE:
-		wpa_printf(MSG_DEBUG, "TDLS: Pairwise Cipher Suite: "
-			   "NONE - do not use pairwise keys");
-		return -1;
-	default:
-		wpa_printf(MSG_WARNING, "TDLS: Unsupported pairwise cipher %d",
-			   sm->pairwise_cipher);
-		return -1;
-	}
-
-	wpa_printf(MSG_DEBUG, "TDLS: Configure pairwise key for peer " MACSTR,
-		   MAC2STR(peer->addr));
-	if (wpa_sm_set_key(sm, alg, peer->addr, -1, 1,
-			   rsc, sizeof(rsc), peer->tpk.tk, key_len) < 0) {
-		wpa_printf(MSG_WARNING, "TDLS: Failed to set TPK to the "
-			   "driver");
-		return -1;
-	}
-	peer->tk_set = 1;
-	return 0;
-}
-
-
-static int wpa_tdls_send_tpk_msg(struct wpa_sm *sm, const u8 *dst,
-				 u8 action_code, u8 dialog_token,
-				 u16 status_code, u32 peer_capab,
-				 int initiator, const u8 *buf, size_t len)
-{
-	return wpa_sm_send_tdls_mgmt(sm, dst, action_code, dialog_token,
-				     status_code, peer_capab, initiator, buf,
-				     len);
-}
-
-
-static int wpa_tdls_tpk_send(struct wpa_sm *sm, const u8 *dest, u8 action_code,
-			     u8 dialog_token, u16 status_code, u32 peer_capab,
-			     int initiator, const u8 *msg, size_t msg_len)
-{
-	struct wpa_tdls_peer *peer;
-
-	wpa_printf(MSG_DEBUG, "TDLS: TPK send dest=" MACSTR " action_code=%u "
-		   "dialog_token=%u status_code=%u peer_capab=%u initiator=%d "
-		   "msg_len=%u",
-		   MAC2STR(dest), action_code, dialog_token, status_code,
-		   peer_capab, initiator, (unsigned int) msg_len);
-
-	if (wpa_tdls_send_tpk_msg(sm, dest, action_code, dialog_token,
-				  status_code, peer_capab, initiator, msg,
-				  msg_len)) {
-		wpa_printf(MSG_INFO, "TDLS: Failed to send message "
-			   "(action_code=%u)", action_code);
-		return -1;
-	}
-
-	if (action_code == WLAN_TDLS_SETUP_CONFIRM ||
-	    action_code == WLAN_TDLS_TEARDOWN ||
-	    action_code == WLAN_TDLS_DISCOVERY_REQUEST ||
-	    action_code == WLAN_TDLS_DISCOVERY_RESPONSE)
-		return 0; /* No retries */
-
-	for (peer = sm->tdls; peer; peer = peer->next) {
-		if (os_memcmp(peer->addr, dest, ETH_ALEN) == 0)
-			break;
-	}
-
-	if (peer == NULL) {
-		wpa_printf(MSG_INFO, "TDLS: No matching entry found for "
-			   "retry " MACSTR, MAC2STR(dest));
-		return 0;
-	}
-
-	eloop_cancel_timeout(wpa_tdls_tpk_retry_timeout, sm, peer);
-
-	if (action_code == WLAN_TDLS_SETUP_RESPONSE) {
-		peer->sm_tmr.count = TPK_M2_RETRY_COUNT;
-		peer->sm_tmr.timer = TPK_M2_TIMEOUT;
-	} else {
-		peer->sm_tmr.count = TPK_M1_RETRY_COUNT;
-		peer->sm_tmr.timer = TPK_M1_TIMEOUT;
-	}
-
-	/* Copy message to resend on timeout */
-	os_memcpy(peer->sm_tmr.dest, dest, ETH_ALEN);
-	peer->sm_tmr.action_code = action_code;
-	peer->sm_tmr.dialog_token = dialog_token;
-	peer->sm_tmr.status_code = status_code;
-	peer->sm_tmr.peer_capab = peer_capab;
-	peer->sm_tmr.buf_len = msg_len;
-	os_free(peer->sm_tmr.buf);
-	peer->sm_tmr.buf = os_malloc(msg_len);
-	if (peer->sm_tmr.buf == NULL)
-		return -1;
-	os_memcpy(peer->sm_tmr.buf, msg, msg_len);
-
-	wpa_printf(MSG_DEBUG, "TDLS: Retry timeout registered "
-		   "(action_code=%u)", action_code);
-	eloop_register_timeout(peer->sm_tmr.timer / 1000,
-			       (peer->sm_tmr.timer % 1000) * 1000,
-			       wpa_tdls_tpk_retry_timeout, sm, peer);
-	return 0;
-}
-
-
-static int wpa_tdls_do_teardown(struct wpa_sm *sm, struct wpa_tdls_peer *peer,
-				u16 reason_code)
-{
-	int ret;
-
-	ret = wpa_tdls_send_teardown(sm, peer->addr, reason_code);
-	/* disable the link after teardown was sent */
-	wpa_tdls_disable_peer_link(sm, peer);
-
-	return ret;
-}
-
-
-static void wpa_tdls_tpk_retry_timeout(void *eloop_ctx, void *timeout_ctx)
-{
-
-	struct wpa_sm *sm = eloop_ctx;
-	struct wpa_tdls_peer *peer = timeout_ctx;
-
-	if (peer->sm_tmr.count) {
-		peer->sm_tmr.count--;
-
-		wpa_printf(MSG_INFO, "TDLS: Retrying sending of message "
-			   "(action_code=%u)",
-			   peer->sm_tmr.action_code);
-
-		if (peer->sm_tmr.buf == NULL) {
-			wpa_printf(MSG_INFO, "TDLS: No retry buffer available "
-				   "for action_code=%u",
-				   peer->sm_tmr.action_code);
-			eloop_cancel_timeout(wpa_tdls_tpk_retry_timeout, sm,
-					     peer);
-			return;
-		}
-
-		/* resend TPK Handshake Message to Peer */
-		if (wpa_tdls_send_tpk_msg(sm, peer->sm_tmr.dest,
-					  peer->sm_tmr.action_code,
-					  peer->sm_tmr.dialog_token,
-					  peer->sm_tmr.status_code,
-					  peer->sm_tmr.peer_capab,
-					  peer->initiator,
-					  peer->sm_tmr.buf,
-					  peer->sm_tmr.buf_len)) {
-			wpa_printf(MSG_INFO, "TDLS: Failed to retry "
-				   "transmission");
-		}
-
-		eloop_cancel_timeout(wpa_tdls_tpk_retry_timeout, sm, peer);
-		eloop_register_timeout(peer->sm_tmr.timer / 1000,
-				       (peer->sm_tmr.timer % 1000) * 1000,
-				       wpa_tdls_tpk_retry_timeout, sm, peer);
-	} else {
-		eloop_cancel_timeout(wpa_tdls_tpk_retry_timeout, sm, peer);
-
-		wpa_printf(MSG_DEBUG, "TDLS: Sending Teardown Request");
-		wpa_tdls_do_teardown(sm, peer,
-				     WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
-	}
-}
-
-
-static void wpa_tdls_tpk_retry_timeout_cancel(struct wpa_sm *sm,
-					      struct wpa_tdls_peer *peer,
-					      u8 action_code)
-{
-	if (action_code == peer->sm_tmr.action_code) {
-		wpa_printf(MSG_DEBUG, "TDLS: Retry timeout cancelled for "
-			   "action_code=%u", action_code);
-
-		/* Cancel Timeout registered */
-		eloop_cancel_timeout(wpa_tdls_tpk_retry_timeout, sm, peer);
-
-		/* free all resources meant for retry */
-		os_free(peer->sm_tmr.buf);
-		peer->sm_tmr.buf = NULL;
-
-		peer->sm_tmr.count = 0;
-		peer->sm_tmr.timer = 0;
-		peer->sm_tmr.buf_len = 0;
-		peer->sm_tmr.action_code = 0xff;
-	} else {
-		wpa_printf(MSG_INFO, "TDLS: Error in cancelling retry timeout "
-			   "(Unknown action_code=%u)", action_code);
-	}
-}
-
-
-static void wpa_tdls_generate_tpk(struct wpa_tdls_peer *peer,
-				  const u8 *own_addr, const u8 *bssid)
-{
-	u8 key_input[SHA256_MAC_LEN];
-	const u8 *nonce[2];
-	size_t len[2];
-	u8 data[3 * ETH_ALEN];
-
-	/* IEEE Std 802.11z-2010 8.5.9.1:
-	 * TPK-Key-Input = SHA-256(min(SNonce, ANonce) || max(SNonce, ANonce))
-	 */
-	len[0] = WPA_NONCE_LEN;
-	len[1] = WPA_NONCE_LEN;
-	if (os_memcmp(peer->inonce, peer->rnonce, WPA_NONCE_LEN) < 0) {
-		nonce[0] = peer->inonce;
-		nonce[1] = peer->rnonce;
-	} else {
-		nonce[0] = peer->rnonce;
-		nonce[1] = peer->inonce;
-	}
-	wpa_hexdump(MSG_DEBUG, "TDLS: min(Nonce)", nonce[0], WPA_NONCE_LEN);
-	wpa_hexdump(MSG_DEBUG, "TDLS: max(Nonce)", nonce[1], WPA_NONCE_LEN);
-	sha256_vector(2, nonce, len, key_input);
-	wpa_hexdump_key(MSG_DEBUG, "TDLS: TPK-Key-Input",
-			key_input, SHA256_MAC_LEN);
-
-	/*
-	 * TPK-Key-Data = KDF-N_KEY(TPK-Key-Input, "TDLS PMK",
-	 *	min(MAC_I, MAC_R) || max(MAC_I, MAC_R) || BSSID || N_KEY)
-	 * TODO: is N_KEY really included in KDF Context and if so, in which
-	 * presentation format (little endian 16-bit?) is it used? It gets
-	 * added by the KDF anyway..
-	 */
-
-	if (os_memcmp(own_addr, peer->addr, ETH_ALEN) < 0) {
-		os_memcpy(data, own_addr, ETH_ALEN);
-		os_memcpy(data + ETH_ALEN, peer->addr, ETH_ALEN);
-	} else {
-		os_memcpy(data, peer->addr, ETH_ALEN);
-		os_memcpy(data + ETH_ALEN, own_addr, ETH_ALEN);
-	}
-	os_memcpy(data + 2 * ETH_ALEN, bssid, ETH_ALEN);
-	wpa_hexdump(MSG_DEBUG, "TDLS: KDF Context", data, sizeof(data));
-
-	sha256_prf(key_input, SHA256_MAC_LEN, "TDLS PMK", data, sizeof(data),
-		   (u8 *) &peer->tpk, sizeof(peer->tpk));
-	wpa_hexdump_key(MSG_DEBUG, "TDLS: TPK-KCK",
-			peer->tpk.kck, sizeof(peer->tpk.kck));
-	wpa_hexdump_key(MSG_DEBUG, "TDLS: TPK-TK",
-			peer->tpk.tk, sizeof(peer->tpk.tk));
-	peer->tpk_set = 1;
-}
-
-
-/**
- * wpa_tdls_ftie_mic - Calculate TDLS FTIE MIC
- * @kck: TPK-KCK
- * @lnkid: Pointer to the beginning of Link Identifier IE
- * @rsnie: Pointer to the beginning of RSN IE used for handshake
- * @timeoutie: Pointer to the beginning of Timeout IE used for handshake
- * @ftie: Pointer to the beginning of FT IE
- * @mic: Pointer for writing MIC
- *
- * Calculate MIC for TDLS frame.
- */
-static int wpa_tdls_ftie_mic(const u8 *kck, u8 trans_seq, const u8 *lnkid,
-			     const u8 *rsnie, const u8 *timeoutie,
-			     const u8 *ftie, u8 *mic)
-{
-	u8 *buf, *pos;
-	struct wpa_tdls_ftie *_ftie;
-	const struct wpa_tdls_lnkid *_lnkid;
-	int ret;
-	int len = 2 * ETH_ALEN + 1 + 2 + lnkid[1] + 2 + rsnie[1] +
-		2 + timeoutie[1] + 2 + ftie[1];
-	buf = os_zalloc(len);
-	if (!buf) {
-		wpa_printf(MSG_WARNING, "TDLS: No memory for MIC calculation");
-		return -1;
-	}
-
-	pos = buf;
-	_lnkid = (const struct wpa_tdls_lnkid *) lnkid;
-	/* 1) TDLS initiator STA MAC address */
-	os_memcpy(pos, _lnkid->init_sta, ETH_ALEN);
-	pos += ETH_ALEN;
-	/* 2) TDLS responder STA MAC address */
-	os_memcpy(pos, _lnkid->resp_sta, ETH_ALEN);
-	pos += ETH_ALEN;
-	/* 3) Transaction Sequence number */
-	*pos++ = trans_seq;
-	/* 4) Link Identifier IE */
-	os_memcpy(pos, lnkid, 2 + lnkid[1]);
-	pos += 2 + lnkid[1];
-	/* 5) RSN IE */
-	os_memcpy(pos, rsnie, 2 + rsnie[1]);
-	pos += 2 + rsnie[1];
-	/* 6) Timeout Interval IE */
-	os_memcpy(pos, timeoutie, 2 + timeoutie[1]);
-	pos += 2 + timeoutie[1];
-	/* 7) FTIE, with the MIC field of the FTIE set to 0 */
-	os_memcpy(pos, ftie, 2 + ftie[1]);
-	_ftie = (struct wpa_tdls_ftie *) pos;
-	os_memset(_ftie->mic, 0, TDLS_MIC_LEN);
-	pos += 2 + ftie[1];
-
-	wpa_hexdump(MSG_DEBUG, "TDLS: Data for FTIE MIC", buf, pos - buf);
-	wpa_hexdump_key(MSG_DEBUG, "TDLS: KCK", kck, 16);
-	ret = omac1_aes_128(kck, buf, pos - buf, mic);
-	os_free(buf);
-	wpa_hexdump(MSG_DEBUG, "TDLS: FTIE MIC", mic, 16);
-	return ret;
-}
-
-
-/**
- * wpa_tdls_key_mic_teardown - Calculate TDLS FTIE MIC for Teardown frame
- * @kck: TPK-KCK
- * @trans_seq: Transaction Sequence Number (4 - Teardown)
- * @rcode: Reason code for Teardown
- * @dtoken: Dialog Token used for that particular link
- * @lnkid: Pointer to the beginning of Link Identifier IE
- * @ftie: Pointer to the beginning of FT IE
- * @mic: Pointer for writing MIC
- *
- * Calculate MIC for TDLS frame.
- */
-static int wpa_tdls_key_mic_teardown(const u8 *kck, u8 trans_seq, u16 rcode,
-				     u8 dtoken, const u8 *lnkid,
-				     const u8 *ftie, u8 *mic)
-{
-	u8 *buf, *pos;
-	struct wpa_tdls_ftie *_ftie;
-	int ret;
-	int len;
-
-	if (lnkid == NULL)
-		return -1;
-
-	len = 2 + lnkid[1] + sizeof(rcode) + sizeof(dtoken) +
-		sizeof(trans_seq) + 2 + ftie[1];
-
-	buf = os_zalloc(len);
-	if (!buf) {
-		wpa_printf(MSG_WARNING, "TDLS: No memory for MIC calculation");
-		return -1;
-	}
-
-	pos = buf;
-	/* 1) Link Identifier IE */
-	os_memcpy(pos, lnkid, 2 + lnkid[1]);
-	pos += 2 + lnkid[1];
-	/* 2) Reason Code */
-	WPA_PUT_LE16(pos, rcode);
-	pos += sizeof(rcode);
-	/* 3) Dialog token */
-	*pos++ = dtoken;
-	/* 4) Transaction Sequence number */
-	*pos++ = trans_seq;
-	/* 7) FTIE, with the MIC field of the FTIE set to 0 */
-	os_memcpy(pos, ftie, 2 + ftie[1]);
-	_ftie = (struct wpa_tdls_ftie *) pos;
-	os_memset(_ftie->mic, 0, TDLS_MIC_LEN);
-	pos += 2 + ftie[1];
-
-	wpa_hexdump(MSG_DEBUG, "TDLS: Data for FTIE MIC", buf, pos - buf);
-	wpa_hexdump_key(MSG_DEBUG, "TDLS: KCK", kck, 16);
-	ret = omac1_aes_128(kck, buf, pos - buf, mic);
-	os_free(buf);
-	wpa_hexdump(MSG_DEBUG, "TDLS: FTIE MIC", mic, 16);
-	return ret;
-}
-
-
-static int wpa_supplicant_verify_tdls_mic(u8 trans_seq,
-					  struct wpa_tdls_peer *peer,
-					  const u8 *lnkid, const u8 *timeoutie,
-					  const struct wpa_tdls_ftie *ftie)
-{
-	u8 mic[16];
-
-	if (peer->tpk_set) {
-		wpa_tdls_ftie_mic(peer->tpk.kck, trans_seq, lnkid,
-				  peer->rsnie_p, timeoutie, (u8 *) ftie,
-				  mic);
-		if (os_memcmp_const(mic, ftie->mic, 16) != 0) {
-			wpa_printf(MSG_INFO, "TDLS: Invalid MIC in FTIE - "
-				   "dropping packet");
-			wpa_hexdump(MSG_DEBUG, "TDLS: Received MIC",
-				    ftie->mic, 16);
-			wpa_hexdump(MSG_DEBUG, "TDLS: Calculated MIC",
-				    mic, 16);
-			return -1;
-		}
-	} else {
-		wpa_printf(MSG_WARNING, "TDLS: Could not verify TDLS MIC, "
-			   "TPK not set - dropping packet");
-		return -1;
-	}
-	return 0;
-}
-
-
-static int wpa_supplicant_verify_tdls_mic_teardown(
-	u8 trans_seq, u16 rcode, u8 dtoken, struct wpa_tdls_peer *peer,
-	const u8 *lnkid, const struct wpa_tdls_ftie *ftie)
-{
-	u8 mic[16];
-
-	if (peer->tpk_set) {
-		wpa_tdls_key_mic_teardown(peer->tpk.kck, trans_seq, rcode,
-					  dtoken, lnkid, (u8 *) ftie, mic);
-		if (os_memcmp_const(mic, ftie->mic, 16) != 0) {
-			wpa_printf(MSG_INFO, "TDLS: Invalid MIC in Teardown - "
-				   "dropping packet");
-			return -1;
-		}
-	} else {
-		wpa_printf(MSG_INFO, "TDLS: Could not verify TDLS Teardown "
-			   "MIC, TPK not set - dropping packet");
-		return -1;
-	}
-	return 0;
-}
-
-
-static void wpa_tdls_tpk_timeout(void *eloop_ctx, void *timeout_ctx)
-{
-	struct wpa_sm *sm = eloop_ctx;
-	struct wpa_tdls_peer *peer = timeout_ctx;
-
-	/*
-	 * On TPK lifetime expiration, we have an option of either tearing down
-	 * the direct link or trying to re-initiate it. The selection of what
-	 * to do is not strictly speaking controlled by our role in the expired
-	 * link, but for now, use that to select whether to renew or tear down
-	 * the link.
-	 */
-
-	if (peer->initiator) {
-		wpa_printf(MSG_DEBUG, "TDLS: TPK lifetime expired for " MACSTR
-			   " - try to renew", MAC2STR(peer->addr));
-		wpa_tdls_start(sm, peer->addr);
-	} else {
-		wpa_printf(MSG_DEBUG, "TDLS: TPK lifetime expired for " MACSTR
-			   " - tear down", MAC2STR(peer->addr));
-		wpa_tdls_do_teardown(sm, peer,
-				     WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
-	}
-}
-
-
-static void wpa_tdls_peer_remove_from_list(struct wpa_sm *sm,
-					   struct wpa_tdls_peer *peer)
-{
-	struct wpa_tdls_peer *cur, *prev;
-
-	cur = sm->tdls;
-	prev = NULL;
-	while (cur && cur != peer) {
-		prev = cur;
-		cur = cur->next;
-	}
-
-	if (cur != peer) {
-		wpa_printf(MSG_ERROR, "TDLS: Could not find peer " MACSTR
-			   " to remove it from the list",
-			   MAC2STR(peer->addr));
-		return;
-	}
-
-	if (prev)
-		prev->next = peer->next;
-	else
-		sm->tdls = peer->next;
-}
-
-
-static void wpa_tdls_peer_clear(struct wpa_sm *sm, struct wpa_tdls_peer *peer)
-{
-	wpa_printf(MSG_DEBUG, "TDLS: Clear state for peer " MACSTR,
-		   MAC2STR(peer->addr));
-	eloop_cancel_timeout(wpa_tdls_tpk_timeout, sm, peer);
-	eloop_cancel_timeout(wpa_tdls_tpk_retry_timeout, sm, peer);
-	peer->reconfig_key = 0;
-	peer->initiator = 0;
-	peer->tpk_in_progress = 0;
-	os_free(peer->sm_tmr.buf);
-	peer->sm_tmr.buf = NULL;
-	os_free(peer->ht_capabilities);
-	peer->ht_capabilities = NULL;
-	os_free(peer->vht_capabilities);
-	peer->vht_capabilities = NULL;
-	os_free(peer->ext_capab);
-	peer->ext_capab = NULL;
-	os_free(peer->supp_channels);
-	peer->supp_channels = NULL;
-	os_free(peer->supp_oper_classes);
-	peer->supp_oper_classes = NULL;
-	peer->rsnie_i_len = peer->rsnie_p_len = 0;
-	peer->cipher = 0;
-	peer->qos_info = 0;
-	peer->wmm_capable = 0;
-	peer->tk_set = peer->tpk_set = peer->tpk_success = 0;
-	peer->chan_switch_enabled = 0;
-	os_memset(&peer->tpk, 0, sizeof(peer->tpk));
-	os_memset(peer->inonce, 0, WPA_NONCE_LEN);
-	os_memset(peer->rnonce, 0, WPA_NONCE_LEN);
-}
-
-
-static void wpa_tdls_peer_free(struct wpa_sm *sm, struct wpa_tdls_peer *peer)
-{
-	wpa_tdls_peer_clear(sm, peer);
-	wpa_tdls_peer_remove_from_list(sm, peer);
-	os_free(peer);
-}
-
-
-static void wpa_tdls_linkid(struct wpa_sm *sm, struct wpa_tdls_peer *peer,
-			    struct wpa_tdls_lnkid *lnkid)
-{
-	lnkid->ie_type = WLAN_EID_LINK_ID;
-	lnkid->ie_len = 3 * ETH_ALEN;
-	os_memcpy(lnkid->bssid, sm->bssid, ETH_ALEN);
-	if (peer->initiator) {
-		os_memcpy(lnkid->init_sta, sm->own_addr, ETH_ALEN);
-		os_memcpy(lnkid->resp_sta, peer->addr, ETH_ALEN);
-	} else {
-		os_memcpy(lnkid->init_sta, peer->addr, ETH_ALEN);
-		os_memcpy(lnkid->resp_sta, sm->own_addr, ETH_ALEN);
-	}
-}
-
-
-static int wpa_tdls_send_teardown(struct wpa_sm *sm, const u8 *addr,
-				  u16 reason_code)
-{
-	struct wpa_tdls_peer *peer;
-	struct wpa_tdls_ftie *ftie;
-	struct wpa_tdls_lnkid lnkid;
-	u8 dialog_token;
-	u8 *rbuf, *pos;
-	int ielen;
-
-	if (sm->tdls_disabled || !sm->tdls_supported)
-		return -1;
-
-	/* Find the node and free from the list */
-	for (peer = sm->tdls; peer; peer = peer->next) {
-		if (os_memcmp(peer->addr, addr, ETH_ALEN) == 0)
-			break;
-	}
-
-	if (peer == NULL) {
-		wpa_printf(MSG_INFO, "TDLS: No matching entry found for "
-			   "Teardown " MACSTR, MAC2STR(addr));
-		return 0;
-	}
-
-	/* Cancel active channel switch before teardown */
-	if (peer->chan_switch_enabled) {
-		wpa_printf(MSG_DEBUG, "TDLS: First returning link with " MACSTR
-			   " to base channel", MAC2STR(addr));
-		wpa_sm_tdls_disable_channel_switch(sm, peer->addr);
-	}
-
-	dialog_token = peer->dtoken;
-
-	wpa_printf(MSG_DEBUG, "TDLS: TDLS Teardown for " MACSTR,
-		   MAC2STR(addr));
-
-	ielen = 0;
-	if (wpa_tdls_get_privacy(sm) && peer->tpk_set && peer->tpk_success) {
-		/* To add FTIE for Teardown request and compute MIC */
-		ielen += sizeof(*ftie);
-#ifdef CONFIG_TDLS_TESTING
-		if (tdls_testing & TDLS_TESTING_LONG_FRAME)
-			ielen += 170;
-#endif /* CONFIG_TDLS_TESTING */
-	}
-
-	rbuf = os_zalloc(ielen + 1);
-	if (rbuf == NULL)
-		return -1;
-	pos = rbuf;
-
-	if (!wpa_tdls_get_privacy(sm) || !peer->tpk_set || !peer->tpk_success)
-		goto skip_ies;
-
-	ftie = (struct wpa_tdls_ftie *) pos;
-	ftie->ie_type = WLAN_EID_FAST_BSS_TRANSITION;
-	/* Using the recent nonce which should be for CONFIRM frame */
-	os_memcpy(ftie->Anonce, peer->rnonce, WPA_NONCE_LEN);
-	os_memcpy(ftie->Snonce, peer->inonce, WPA_NONCE_LEN);
-	ftie->ie_len = sizeof(struct wpa_tdls_ftie) - 2;
-	pos = (u8 *) (ftie + 1);
-#ifdef CONFIG_TDLS_TESTING
-	if (tdls_testing & TDLS_TESTING_LONG_FRAME) {
-		wpa_printf(MSG_DEBUG, "TDLS: Testing - add extra subelem to "
-			   "FTIE");
-		ftie->ie_len += 170;
-		*pos++ = 255; /* FTIE subelem */
-		*pos++ = 168; /* FTIE subelem length */
-		pos += 168;
-	}
-#endif /* CONFIG_TDLS_TESTING */
-	wpa_hexdump(MSG_DEBUG, "TDLS: FTIE for TDLS Teardown handshake",
-		    (u8 *) ftie, pos - (u8 *) ftie);
-
-	/* compute MIC before sending */
-	wpa_tdls_linkid(sm, peer, &lnkid);
-	wpa_tdls_key_mic_teardown(peer->tpk.kck, 4, reason_code,
-				  dialog_token, (u8 *) &lnkid, (u8 *) ftie,
-				  ftie->mic);
-
-skip_ies:
-	/* TODO: register for a Timeout handler, if Teardown is not received at
-	 * the other end, then try again another time */
-
-	/* request driver to send Teardown using this FTIE */
-	wpa_tdls_tpk_send(sm, addr, WLAN_TDLS_TEARDOWN, 0,
-			  reason_code, 0, peer->initiator, rbuf, pos - rbuf);
-	os_free(rbuf);
-
-	return 0;
-}
-
-
-int wpa_tdls_teardown_link(struct wpa_sm *sm, const u8 *addr, u16 reason_code)
-{
-	struct wpa_tdls_peer *peer;
-
-	if (sm->tdls_disabled || !sm->tdls_supported)
-		return -1;
-
-	for (peer = sm->tdls; peer; peer = peer->next) {
-		if (os_memcmp(peer->addr, addr, ETH_ALEN) == 0)
-			break;
-	}
-
-	if (peer == NULL) {
-		wpa_printf(MSG_DEBUG, "TDLS: Could not find peer " MACSTR
-		   " for link Teardown", MAC2STR(addr));
-		return -1;
-	}
-
-	if (!peer->tpk_success) {
-		wpa_printf(MSG_DEBUG, "TDLS: Peer " MACSTR
-		   " not connected - cannot Teardown link", MAC2STR(addr));
-		return -1;
-	}
-
-	return wpa_tdls_do_teardown(sm, peer, reason_code);
-}
-
-
-static void wpa_tdls_disable_peer_link(struct wpa_sm *sm,
-				       struct wpa_tdls_peer *peer)
-{
-	wpa_sm_tdls_oper(sm, TDLS_DISABLE_LINK, peer->addr);
-	wpa_tdls_peer_free(sm, peer);
-}
-
-
-void wpa_tdls_disable_unreachable_link(struct wpa_sm *sm, const u8 *addr)
-{
-	struct wpa_tdls_peer *peer;
-
-	for (peer = sm->tdls; peer; peer = peer->next) {
-		if (os_memcmp(peer->addr, addr, ETH_ALEN) == 0)
-			break;
-	}
-
-	if (!peer || !peer->tpk_success) {
-		wpa_printf(MSG_DEBUG, "TDLS: Peer " MACSTR
-			   " not connected - cannot teardown unreachable link",
-			   MAC2STR(addr));
-		return;
-	}
-
-	if (wpa_tdls_is_external_setup(sm)) {
-		/*
-		 * Get us on the base channel, disable the link, send a
-		 * teardown packet through the AP, and then reset link data.
-		 */
-		if (peer->chan_switch_enabled)
-			wpa_sm_tdls_disable_channel_switch(sm, peer->addr);
-		wpa_sm_tdls_oper(sm, TDLS_DISABLE_LINK, addr);
-		wpa_tdls_send_teardown(sm, addr,
-				       WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE);
-		wpa_tdls_peer_free(sm, peer);
-	} else {
-		wpa_tdls_disable_peer_link(sm, peer);
-	}
-}
-
-
-const char * wpa_tdls_get_link_status(struct wpa_sm *sm, const u8 *addr)
-{
-	struct wpa_tdls_peer *peer;
-
-	if (sm->tdls_disabled || !sm->tdls_supported)
-		return "disabled";
-
-	for (peer = sm->tdls; peer; peer = peer->next) {
-		if (os_memcmp(peer->addr, addr, ETH_ALEN) == 0)
-			break;
-	}
-
-	if (peer == NULL)
-		return "peer does not exist";
-
-	if (!peer->tpk_success)
-		return "peer not connected";
-
-	return "connected";
-}
-
-
-static int wpa_tdls_recv_teardown(struct wpa_sm *sm, const u8 *src_addr,
-				  const u8 *buf, size_t len)
-{
-	struct wpa_tdls_peer *peer = NULL;
-	struct wpa_tdls_ftie *ftie;
-	struct wpa_tdls_lnkid *lnkid;
-	struct wpa_eapol_ie_parse kde;
-	u16 reason_code;
-	const u8 *pos;
-	int ielen;
-
-	/* Find the node and free from the list */
-	for (peer = sm->tdls; peer; peer = peer->next) {
-		if (os_memcmp(peer->addr, src_addr, ETH_ALEN) == 0)
-			break;
-	}
-
-	if (peer == NULL) {
-		wpa_printf(MSG_INFO, "TDLS: No matching entry found for "
-			   "Teardown " MACSTR, MAC2STR(src_addr));
-		return 0;
-	}
-
-	pos = buf;
-	pos += 1 /* pkt_type */ + 1 /* Category */ + 1 /* Action */;
-
-	reason_code = WPA_GET_LE16(pos);
-	pos += 2;
-
-	wpa_printf(MSG_DEBUG, "TDLS: TDLS Teardown Request from " MACSTR
-		   " (reason code %u)", MAC2STR(src_addr), reason_code);
-
-	ielen = len - (pos - buf); /* start of IE in buf */
-
-	/*
-	 * Don't reject the message if failing to parse IEs. The IEs we need are
-	 * explicitly checked below. Some APs may add arbitrary padding to the
-	 * end of short TDLS frames and that would look like invalid IEs.
-	 */
-	if (wpa_supplicant_parse_ies((const u8 *) pos, ielen, &kde) < 0)
-		wpa_printf(MSG_DEBUG,
-			   "TDLS: Failed to parse IEs in Teardown - ignore as an interop workaround");
-
-	if (kde.lnkid == NULL || kde.lnkid_len < 3 * ETH_ALEN) {
-		wpa_printf(MSG_INFO, "TDLS: No Link Identifier IE in TDLS "
-			   "Teardown");
-		return -1;
-	}
-	lnkid = (struct wpa_tdls_lnkid *) kde.lnkid;
-
-	if (!wpa_tdls_get_privacy(sm) || !peer->tpk_set || !peer->tpk_success)
-		goto skip_ftie;
-
-	if (kde.ftie == NULL || kde.ftie_len < sizeof(*ftie)) {
-		wpa_printf(MSG_INFO, "TDLS: No FTIE in TDLS Teardown");
-		return -1;
-	}
-
-	ftie = (struct wpa_tdls_ftie *) kde.ftie;
-
-	/* Process MIC check to see if TDLS Teardown is right */
-	if (wpa_supplicant_verify_tdls_mic_teardown(4, reason_code,
-						    peer->dtoken, peer,
-						    (u8 *) lnkid, ftie) < 0) {
-		wpa_printf(MSG_DEBUG, "TDLS: MIC failure for TDLS "
-			   "Teardown Request from " MACSTR, MAC2STR(src_addr));
-		return -1;
-	}
-
-skip_ftie:
-	/*
-	 * Request the driver to disable the direct link and clear associated
-	 * keys.
-	 */
-	wpa_tdls_disable_peer_link(sm, peer);
-	return 0;
-}
-
-
-/**
- * wpa_tdls_send_error - To send suitable TDLS status response with
- *	appropriate status code mentioning reason for error/failure.
- * @dst 	- MAC addr of Peer station
- * @tdls_action - TDLS frame type for which error code is sent
- * @initiator   - was this end the initiator of the connection
- * @status 	- status code mentioning reason
- */
-
-static int wpa_tdls_send_error(struct wpa_sm *sm, const u8 *dst,
-			       u8 tdls_action, u8 dialog_token, int initiator,
-			       u16 status)
-{
-	wpa_printf(MSG_DEBUG, "TDLS: Sending error to " MACSTR
-		   " (action=%u status=%u)",
-		   MAC2STR(dst), tdls_action, status);
-	return wpa_tdls_tpk_send(sm, dst, tdls_action, dialog_token, status,
-				 0, initiator, NULL, 0);
-}
-
-
-static struct wpa_tdls_peer *
-wpa_tdls_add_peer(struct wpa_sm *sm, const u8 *addr, int *existing)
-{
-	struct wpa_tdls_peer *peer;
-
-	if (existing)
-		*existing = 0;
-	for (peer = sm->tdls; peer; peer = peer->next) {
-		if (os_memcmp(peer->addr, addr, ETH_ALEN) == 0) {
-			if (existing)
-				*existing = 1;
-			return peer; /* re-use existing entry */
-		}
-	}
-
-	wpa_printf(MSG_INFO, "TDLS: Creating peer entry for " MACSTR,
-		   MAC2STR(addr));
-
-	peer = os_zalloc(sizeof(*peer));
-	if (peer == NULL)
-		return NULL;
-
-	os_memcpy(peer->addr, addr, ETH_ALEN);
-	peer->next = sm->tdls;
-	sm->tdls = peer;
-
-	return peer;
-}
-
-
-static int wpa_tdls_send_tpk_m1(struct wpa_sm *sm,
-				struct wpa_tdls_peer *peer)
-{
-	size_t buf_len;
-	struct wpa_tdls_timeoutie timeoutie;
-	u16 rsn_capab;
-	struct wpa_tdls_ftie *ftie;
-	u8 *rbuf, *pos, *count_pos;
-	u16 count;
-	struct rsn_ie_hdr *hdr;
-	int status;
-
-	if (!wpa_tdls_get_privacy(sm)) {
-		wpa_printf(MSG_DEBUG, "TDLS: No security used on the link");
-		peer->rsnie_i_len = 0;
-		goto skip_rsnie;
-	}
-
-	/*
-	 * TPK Handshake Message 1:
-	 * FTIE: ANonce=0, SNonce=initiator nonce MIC=0, DataKDs=(RSNIE_I,
-	 * Timeout Interval IE))
-	 */
-
-	/* Filling RSN IE */
-	hdr = (struct rsn_ie_hdr *) peer->rsnie_i;
-	hdr->elem_id = WLAN_EID_RSN;
-	WPA_PUT_LE16(hdr->version, RSN_VERSION);
-
-	pos = (u8 *) (hdr + 1);
-	RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_NO_GROUP_ADDRESSED);
-	pos += RSN_SELECTOR_LEN;
-	count_pos = pos;
-	pos += 2;
-
-	count = 0;
-
-	/*
-	 * AES-CCMP is the default Encryption preferred for TDLS, so
-	 * RSN IE is filled only with CCMP CIPHER
-	 * Note: TKIP is not used to encrypt TDLS link.
-	 *
-	 * Regardless of the cipher used on the AP connection, select CCMP
-	 * here.
-	 */
-	RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_CCMP);
-	pos += RSN_SELECTOR_LEN;
-	count++;
-
-	WPA_PUT_LE16(count_pos, count);
-
-	WPA_PUT_LE16(pos, 1);
-	pos += 2;
-	RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_TPK_HANDSHAKE);
-	pos += RSN_SELECTOR_LEN;
-
-	rsn_capab = WPA_CAPABILITY_PEERKEY_ENABLED;
-	rsn_capab |= RSN_NUM_REPLAY_COUNTERS_16 << 2;
-#ifdef CONFIG_TDLS_TESTING
-	if (tdls_testing & TDLS_TESTING_ALT_RSN_IE) {
-		wpa_printf(MSG_DEBUG, "TDLS: Use alternative RSN IE for "
-			   "testing");
-		rsn_capab = WPA_CAPABILITY_PEERKEY_ENABLED;
-	}
-#endif /* CONFIG_TDLS_TESTING */
-	WPA_PUT_LE16(pos, rsn_capab);
-	pos += 2;
-#ifdef CONFIG_TDLS_TESTING
-	if (tdls_testing & TDLS_TESTING_ALT_RSN_IE) {
-		/* Number of PMKIDs */
-		*pos++ = 0x00;
-		*pos++ = 0x00;
-	}
-#endif /* CONFIG_TDLS_TESTING */
-
-	hdr->len = (pos - peer->rsnie_i) - 2;
-	peer->rsnie_i_len = pos - peer->rsnie_i;
-	wpa_hexdump(MSG_DEBUG, "TDLS: RSN IE for TPK handshake",
-		    peer->rsnie_i, peer->rsnie_i_len);
-
-skip_rsnie:
-	buf_len = 0;
-	if (wpa_tdls_get_privacy(sm))
-		buf_len += peer->rsnie_i_len + sizeof(struct wpa_tdls_ftie) +
-			sizeof(struct wpa_tdls_timeoutie);
-#ifdef CONFIG_TDLS_TESTING
-	if (wpa_tdls_get_privacy(sm) &&
-	    (tdls_testing & TDLS_TESTING_LONG_FRAME))
-		buf_len += 170;
-	if (tdls_testing & TDLS_TESTING_DIFF_BSSID)
-		buf_len += sizeof(struct wpa_tdls_lnkid);
-#endif /* CONFIG_TDLS_TESTING */
-	rbuf = os_zalloc(buf_len + 1);
-	if (rbuf == NULL) {
-		wpa_tdls_peer_free(sm, peer);
-		return -1;
-	}
-	pos = rbuf;
-
-	if (!wpa_tdls_get_privacy(sm))
-		goto skip_ies;
-
-	/* Initiator RSN IE */
-	pos = wpa_add_ie(pos, peer->rsnie_i, peer->rsnie_i_len);
-
-	ftie = (struct wpa_tdls_ftie *) pos;
-	ftie->ie_type = WLAN_EID_FAST_BSS_TRANSITION;
-	ftie->ie_len = sizeof(struct wpa_tdls_ftie) - 2;
-
-	if (os_get_random(peer->inonce, WPA_NONCE_LEN)) {
-		wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
-			"TDLS: Failed to get random data for initiator Nonce");
-		os_free(rbuf);
-		wpa_tdls_peer_free(sm, peer);
-		return -1;
-	}
-	peer->tk_set = 0; /* A new nonce results in a new TK */
-	wpa_hexdump(MSG_DEBUG, "TDLS: Initiator Nonce for TPK handshake",
-		    peer->inonce, WPA_NONCE_LEN);
-	os_memcpy(ftie->Snonce, peer->inonce, WPA_NONCE_LEN);
-
-	wpa_hexdump(MSG_DEBUG, "TDLS: FTIE for TPK Handshake M1",
-		    (u8 *) ftie, sizeof(struct wpa_tdls_ftie));
-
-	pos = (u8 *) (ftie + 1);
-
-#ifdef CONFIG_TDLS_TESTING
-	if (tdls_testing & TDLS_TESTING_LONG_FRAME) {
-		wpa_printf(MSG_DEBUG, "TDLS: Testing - add extra subelem to "
-			   "FTIE");
-		ftie->ie_len += 170;
-		*pos++ = 255; /* FTIE subelem */
-		*pos++ = 168; /* FTIE subelem length */
-		pos += 168;
-	}
-#endif /* CONFIG_TDLS_TESTING */
-
-	/* Lifetime */
-	peer->lifetime = TPK_LIFETIME;
-#ifdef CONFIG_TDLS_TESTING
-	if (tdls_testing & TDLS_TESTING_SHORT_LIFETIME) {
-		wpa_printf(MSG_DEBUG, "TDLS: Testing - use short TPK "
-			   "lifetime");
-		peer->lifetime = 301;
-	}
-	if (tdls_testing & TDLS_TESTING_LONG_LIFETIME) {
-		wpa_printf(MSG_DEBUG, "TDLS: Testing - use long TPK "
-			   "lifetime");
-		peer->lifetime = 0xffffffff;
-	}
-#endif /* CONFIG_TDLS_TESTING */
-	pos = wpa_add_tdls_timeoutie(pos, (u8 *) &timeoutie,
-				     sizeof(timeoutie), peer->lifetime);
-	wpa_printf(MSG_DEBUG, "TDLS: TPK lifetime %u seconds", peer->lifetime);
-
-skip_ies:
-
-#ifdef CONFIG_TDLS_TESTING
-	if (tdls_testing & TDLS_TESTING_DIFF_BSSID) {
-		wpa_printf(MSG_DEBUG, "TDLS: Testing - use incorrect BSSID in "
-			   "Link Identifier");
-		struct wpa_tdls_lnkid *l = (struct wpa_tdls_lnkid *) pos;
-		wpa_tdls_linkid(sm, peer, l);
-		l->bssid[5] ^= 0x01;
-		pos += sizeof(*l);
-	}
-#endif /* CONFIG_TDLS_TESTING */
-
-	wpa_printf(MSG_DEBUG, "TDLS: Sending TDLS Setup Request / TPK "
-		   "Handshake Message 1 (peer " MACSTR ")",
-		   MAC2STR(peer->addr));
-
-	status = wpa_tdls_tpk_send(sm, peer->addr, WLAN_TDLS_SETUP_REQUEST,
-				   1, 0, 0, peer->initiator, rbuf, pos - rbuf);
-	os_free(rbuf);
-
-	return status;
-}
-
-
-static int wpa_tdls_send_tpk_m2(struct wpa_sm *sm,
-				const unsigned char *src_addr, u8 dtoken,
-				struct wpa_tdls_lnkid *lnkid,
-				const struct wpa_tdls_peer *peer)
-{
-	u8 *rbuf, *pos;
-	size_t buf_len;
-	u32 lifetime;
-	struct wpa_tdls_timeoutie timeoutie;
-	struct wpa_tdls_ftie *ftie;
-	int status;
-
-	buf_len = 0;
-	if (wpa_tdls_get_privacy(sm)) {
-		/* Peer RSN IE, FTIE(Initiator Nonce, Responder Nonce),
-		 * Lifetime */
-		buf_len += peer->rsnie_i_len + sizeof(struct wpa_tdls_ftie) +
-			sizeof(struct wpa_tdls_timeoutie);
-#ifdef CONFIG_TDLS_TESTING
-		if (tdls_testing & TDLS_TESTING_LONG_FRAME)
-			buf_len += 170;
-#endif /* CONFIG_TDLS_TESTING */
-	}
-
-	rbuf = os_zalloc(buf_len + 1);
-	if (rbuf == NULL)
-		return -1;
-	pos = rbuf;
-
-	if (!wpa_tdls_get_privacy(sm))
-		goto skip_ies;
-
-	/* Peer RSN IE */
-	pos = wpa_add_ie(pos, peer->rsnie_p, peer->rsnie_p_len);
-
-	ftie = (struct wpa_tdls_ftie *) pos;
-	ftie->ie_type = WLAN_EID_FAST_BSS_TRANSITION;
-	/* TODO: ftie->mic_control to set 2-RESPONSE */
-	os_memcpy(ftie->Anonce, peer->rnonce, WPA_NONCE_LEN);
-	os_memcpy(ftie->Snonce, peer->inonce, WPA_NONCE_LEN);
-	ftie->ie_len = sizeof(struct wpa_tdls_ftie) - 2;
-	wpa_hexdump(MSG_DEBUG, "TDLS: FTIE for TPK M2",
-		    (u8 *) ftie, sizeof(*ftie));
-
-	pos = (u8 *) (ftie + 1);
-
-#ifdef CONFIG_TDLS_TESTING
-	if (tdls_testing & TDLS_TESTING_LONG_FRAME) {
-		wpa_printf(MSG_DEBUG, "TDLS: Testing - add extra subelem to "
-			   "FTIE");
-		ftie->ie_len += 170;
-		*pos++ = 255; /* FTIE subelem */
-		*pos++ = 168; /* FTIE subelem length */
-		pos += 168;
-	}
-#endif /* CONFIG_TDLS_TESTING */
-
-	/* Lifetime */
-	lifetime = peer->lifetime;
-#ifdef CONFIG_TDLS_TESTING
-	if (tdls_testing & TDLS_TESTING_WRONG_LIFETIME_RESP) {
-		wpa_printf(MSG_DEBUG, "TDLS: Testing - use wrong TPK "
-			   "lifetime in response");
-		lifetime++;
-	}
-#endif /* CONFIG_TDLS_TESTING */
-	pos = wpa_add_tdls_timeoutie(pos, (u8 *) &timeoutie,
-				     sizeof(timeoutie), lifetime);
-	wpa_printf(MSG_DEBUG, "TDLS: TPK lifetime %u seconds from initiator",
-		   lifetime);
-
-	/* compute MIC before sending */
-	wpa_tdls_ftie_mic(peer->tpk.kck, 2, (u8 *) lnkid, peer->rsnie_p,
-			  (u8 *) &timeoutie, (u8 *) ftie, ftie->mic);
-#ifdef CONFIG_TDLS_TESTING
-	if (tdls_testing & TDLS_TESTING_WRONG_MIC) {
-		wpa_printf(MSG_DEBUG, "TDLS: Testing - use wrong MIC");
-		ftie->mic[0] ^= 0x01;
-	}
-#endif /* CONFIG_TDLS_TESTING */
-
-skip_ies:
-	status = wpa_tdls_tpk_send(sm, src_addr, WLAN_TDLS_SETUP_RESPONSE,
-				   dtoken, 0, 0, peer->initiator, rbuf,
-				   pos - rbuf);
-	os_free(rbuf);
-
-	return status;
-}
-
-
-static int wpa_tdls_send_tpk_m3(struct wpa_sm *sm,
-				const unsigned char *src_addr, u8 dtoken,
-				struct wpa_tdls_lnkid *lnkid,
-				const struct wpa_tdls_peer *peer)
-{
-	u8 *rbuf, *pos;
-	size_t buf_len;
-	struct wpa_tdls_ftie *ftie;
-	struct wpa_tdls_timeoutie timeoutie;
-	u32 lifetime;
-	int status;
-	u32 peer_capab = 0;
-
-	buf_len = 0;
-	if (wpa_tdls_get_privacy(sm)) {
-		/* Peer RSN IE, FTIE(Initiator Nonce, Responder Nonce),
-		 * Lifetime */
-		buf_len += peer->rsnie_i_len + sizeof(struct wpa_tdls_ftie) +
-			sizeof(struct wpa_tdls_timeoutie);
-#ifdef CONFIG_TDLS_TESTING
-		if (tdls_testing & TDLS_TESTING_LONG_FRAME)
-			buf_len += 170;
-#endif /* CONFIG_TDLS_TESTING */
-	}
-
-	rbuf = os_zalloc(buf_len + 1);
-	if (rbuf == NULL)
-		return -1;
-	pos = rbuf;
-
-	if (!wpa_tdls_get_privacy(sm))
-		goto skip_ies;
-
-	/* Peer RSN IE */
-	pos = wpa_add_ie(pos, peer->rsnie_p, peer->rsnie_p_len);
-
-	ftie = (struct wpa_tdls_ftie *) pos;
-	ftie->ie_type = WLAN_EID_FAST_BSS_TRANSITION;
-	/*TODO: ftie->mic_control to set 3-CONFIRM */
-	os_memcpy(ftie->Anonce, peer->rnonce, WPA_NONCE_LEN);
-	os_memcpy(ftie->Snonce, peer->inonce, WPA_NONCE_LEN);
-	ftie->ie_len = sizeof(struct wpa_tdls_ftie) - 2;
-
-	pos = (u8 *) (ftie + 1);
-
-#ifdef CONFIG_TDLS_TESTING
-	if (tdls_testing & TDLS_TESTING_LONG_FRAME) {
-		wpa_printf(MSG_DEBUG, "TDLS: Testing - add extra subelem to "
-			   "FTIE");
-		ftie->ie_len += 170;
-		*pos++ = 255; /* FTIE subelem */
-		*pos++ = 168; /* FTIE subelem length */
-		pos += 168;
-	}
-#endif /* CONFIG_TDLS_TESTING */
-
-	/* Lifetime */
-	lifetime = peer->lifetime;
-#ifdef CONFIG_TDLS_TESTING
-	if (tdls_testing & TDLS_TESTING_WRONG_LIFETIME_CONF) {
-		wpa_printf(MSG_DEBUG, "TDLS: Testing - use wrong TPK "
-			   "lifetime in confirm");
-		lifetime++;
-	}
-#endif /* CONFIG_TDLS_TESTING */
-	pos = wpa_add_tdls_timeoutie(pos, (u8 *) &timeoutie,
-				     sizeof(timeoutie), lifetime);
-	wpa_printf(MSG_DEBUG, "TDLS: TPK lifetime %u seconds",
-		   lifetime);
-
-	/* compute MIC before sending */
-	wpa_tdls_ftie_mic(peer->tpk.kck, 3, (u8 *) lnkid, peer->rsnie_p,
-			  (u8 *) &timeoutie, (u8 *) ftie, ftie->mic);
-#ifdef CONFIG_TDLS_TESTING
-	if (tdls_testing & TDLS_TESTING_WRONG_MIC) {
-		wpa_printf(MSG_DEBUG, "TDLS: Testing - use wrong MIC");
-		ftie->mic[0] ^= 0x01;
-	}
-#endif /* CONFIG_TDLS_TESTING */
-
-skip_ies:
-
-	if (peer->vht_capabilities)
-		peer_capab |= TDLS_PEER_VHT;
-	if (peer->ht_capabilities)
-		peer_capab |= TDLS_PEER_HT;
-	if (peer->wmm_capable)
-		peer_capab |= TDLS_PEER_WMM;
-
-	status = wpa_tdls_tpk_send(sm, src_addr, WLAN_TDLS_SETUP_CONFIRM,
-				   dtoken, 0, peer_capab, peer->initiator,
-				   rbuf, pos - rbuf);
-	os_free(rbuf);
-
-	return status;
-}
-
-
-static int wpa_tdls_send_discovery_response(struct wpa_sm *sm,
-					    struct wpa_tdls_peer *peer,
-					    u8 dialog_token)
-{
-	size_t buf_len = 0;
-	struct wpa_tdls_timeoutie timeoutie;
-	u16 rsn_capab;
-	u8 *rbuf, *pos, *count_pos;
-	u16 count;
-	struct rsn_ie_hdr *hdr;
-	int status;
-
-	wpa_printf(MSG_DEBUG, "TDLS: Sending TDLS Discovery Response "
-		   "(peer " MACSTR ")", MAC2STR(peer->addr));
-	if (!wpa_tdls_get_privacy(sm))
-		goto skip_rsn_ies;
-
-	/* Filling RSN IE */
-	hdr = (struct rsn_ie_hdr *) peer->rsnie_i;
-	hdr->elem_id = WLAN_EID_RSN;
-	WPA_PUT_LE16(hdr->version, RSN_VERSION);
-	pos = (u8 *) (hdr + 1);
-	RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_NO_GROUP_ADDRESSED);
-	pos += RSN_SELECTOR_LEN;
-	count_pos = pos;
-	pos += 2;
-	count = 0;
-
-	/*
-	* AES-CCMP is the default encryption preferred for TDLS, so
-	* RSN IE is filled only with CCMP cipher suite.
-	* Note: TKIP is not used to encrypt TDLS link.
-	*
-	* Regardless of the cipher used on the AP connection, select CCMP
-	* here.
-	*/
-	RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_CCMP);
-	pos += RSN_SELECTOR_LEN;
-	count++;
-	WPA_PUT_LE16(count_pos, count);
-	WPA_PUT_LE16(pos, 1);
-	pos += 2;
-	RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_TPK_HANDSHAKE);
-	pos += RSN_SELECTOR_LEN;
-
-	rsn_capab = WPA_CAPABILITY_PEERKEY_ENABLED;
-	rsn_capab |= RSN_NUM_REPLAY_COUNTERS_16 << 2;
-	WPA_PUT_LE16(pos, rsn_capab);
-	pos += 2;
-	hdr->len = (pos - (u8 *) hdr) - 2;
-	peer->rsnie_i_len = pos - peer->rsnie_i;
-
-	wpa_hexdump(MSG_DEBUG, "TDLS: RSN IE for Discovery Response",
-		    (u8 *) hdr, hdr->len + 2);
-skip_rsn_ies:
-	buf_len = 0;
-	if (wpa_tdls_get_privacy(sm)) {
-		/* Peer RSN IE, Lifetime */
-		buf_len += peer->rsnie_i_len +
-			sizeof(struct wpa_tdls_timeoutie);
-	}
-	rbuf = os_zalloc(buf_len + 1);
-	if (rbuf == NULL) {
-		wpa_tdls_peer_free(sm, peer);
-		return -1;
-	}
-	pos = rbuf;
-
-	if (!wpa_tdls_get_privacy(sm))
-		goto skip_ies;
-	/* Initiator RSN IE */
-	pos = wpa_add_ie(pos, peer->rsnie_i, peer->rsnie_i_len);
-	/* Lifetime */
-	peer->lifetime = TPK_LIFETIME;
-	pos = wpa_add_tdls_timeoutie(pos, (u8 *) &timeoutie,
-				     sizeof(timeoutie), peer->lifetime);
-	wpa_printf(MSG_DEBUG, "TDLS: TPK lifetime %u seconds", peer->lifetime);
-skip_ies:
-	status = wpa_tdls_tpk_send(sm, peer->addr, WLAN_TDLS_DISCOVERY_RESPONSE,
-				   dialog_token, 0, 0, 0, rbuf, pos - rbuf);
-	os_free(rbuf);
-
-	return status;
-}
-
-
-static int
-wpa_tdls_process_discovery_request(struct wpa_sm *sm, const u8 *addr,
-				   const u8 *buf, size_t len)
-{
-	struct wpa_eapol_ie_parse kde;
-	const struct wpa_tdls_lnkid *lnkid;
-	struct wpa_tdls_peer *peer;
-	size_t min_req_len = sizeof(struct wpa_tdls_frame) +
-		1 /* dialog token */ + sizeof(struct wpa_tdls_lnkid);
-	u8 dialog_token;
-
-	wpa_printf(MSG_DEBUG, "TDLS: Discovery Request from " MACSTR,
-		   MAC2STR(addr));
-
-	if (len < min_req_len) {
-		wpa_printf(MSG_DEBUG, "TDLS Discovery Request is too short: "
-			   "%d", (int) len);
-		return -1;
-	}
-
-	dialog_token = buf[sizeof(struct wpa_tdls_frame)];
-
-	/*
-	 * Some APs will tack on a weird IE to the end of a TDLS
-	 * discovery request packet. This needn't fail the response,
-	 * since the required IE are verified separately.
-	 */
-	if (wpa_supplicant_parse_ies(buf + sizeof(struct wpa_tdls_frame) + 1,
-				     len - (sizeof(struct wpa_tdls_frame) + 1),
-				     &kde) < 0) {
-		wpa_printf(MSG_DEBUG,
-			   "TDLS: Failed to parse IEs in Discovery Request - ignore as an interop workaround");
-	}
-
-	if (!kde.lnkid) {
-		wpa_printf(MSG_DEBUG, "TDLS: Link ID not found in Discovery "
-			   "Request");
-		return -1;
-	}
-
-	lnkid = (const struct wpa_tdls_lnkid *) kde.lnkid;
-
-	if (os_memcmp(sm->bssid, lnkid->bssid, ETH_ALEN) != 0) {
-		wpa_printf(MSG_DEBUG, "TDLS: Discovery Request from different "
-			   " BSS " MACSTR, MAC2STR(lnkid->bssid));
-		return -1;
-	}
-
-	peer = wpa_tdls_add_peer(sm, addr, NULL);
-	if (peer == NULL)
-		return -1;
-
-	return wpa_tdls_send_discovery_response(sm, peer, dialog_token);
-}
-
-
-int wpa_tdls_send_discovery_request(struct wpa_sm *sm, const u8 *addr)
-{
-	if (sm->tdls_disabled || !sm->tdls_supported)
-		return -1;
-
-	wpa_printf(MSG_DEBUG, "TDLS: Sending Discovery Request to peer "
-		   MACSTR, MAC2STR(addr));
-	return wpa_tdls_tpk_send(sm, addr, WLAN_TDLS_DISCOVERY_REQUEST,
-				 1, 0, 0, 1, NULL, 0);
-}
-
-
-static int copy_supp_rates(const struct wpa_eapol_ie_parse *kde,
-			   struct wpa_tdls_peer *peer)
-{
-	if (!kde->supp_rates) {
-		wpa_printf(MSG_DEBUG, "TDLS: No supported rates received");
-		return -1;
-	}
-	peer->supp_rates_len = merge_byte_arrays(
-		peer->supp_rates, sizeof(peer->supp_rates),
-		kde->supp_rates + 2, kde->supp_rates_len - 2,
-		kde->ext_supp_rates ? kde->ext_supp_rates + 2 : NULL,
-		kde->ext_supp_rates_len - 2);
-	return 0;
-}
-
-
-static int copy_peer_ht_capab(const struct wpa_eapol_ie_parse *kde,
-			      struct wpa_tdls_peer *peer)
-{
-	if (!kde->ht_capabilities) {
-		wpa_printf(MSG_DEBUG, "TDLS: No supported ht capabilities "
-			   "received");
-		return 0;
-	}
-
-	if (!peer->ht_capabilities) {
-		peer->ht_capabilities =
-                        os_zalloc(sizeof(struct ieee80211_ht_capabilities));
-		if (peer->ht_capabilities == NULL)
-                        return -1;
-	}
-
-	os_memcpy(peer->ht_capabilities, kde->ht_capabilities,
-                  sizeof(struct ieee80211_ht_capabilities));
-	wpa_hexdump(MSG_DEBUG, "TDLS: Peer HT capabilities",
-		    (u8 *) peer->ht_capabilities,
-		    sizeof(struct ieee80211_ht_capabilities));
-
-	return 0;
-}
-
-
-static int copy_peer_vht_capab(const struct wpa_eapol_ie_parse *kde,
-			      struct wpa_tdls_peer *peer)
-{
-	if (!kde->vht_capabilities) {
-		wpa_printf(MSG_DEBUG, "TDLS: No supported vht capabilities "
-			   "received");
-		return 0;
-	}
-
-	if (!peer->vht_capabilities) {
-		peer->vht_capabilities =
-                        os_zalloc(sizeof(struct ieee80211_vht_capabilities));
-		if (peer->vht_capabilities == NULL)
-                        return -1;
-	}
-
-	os_memcpy(peer->vht_capabilities, kde->vht_capabilities,
-                  sizeof(struct ieee80211_vht_capabilities));
-	wpa_hexdump(MSG_DEBUG, "TDLS: Peer VHT capabilities",
-		    (u8 *) peer->vht_capabilities,
-		    sizeof(struct ieee80211_vht_capabilities));
-
-	return 0;
-}
-
-
-static int copy_peer_ext_capab(const struct wpa_eapol_ie_parse *kde,
-			       struct wpa_tdls_peer *peer)
-{
-	if (!kde->ext_capab) {
-		wpa_printf(MSG_DEBUG, "TDLS: No extended capabilities "
-			   "received");
-		return 0;
-	}
-
-	if (!peer->ext_capab || peer->ext_capab_len < kde->ext_capab_len - 2) {
-		/* Need to allocate buffer to fit the new information */
-		os_free(peer->ext_capab);
-		peer->ext_capab = os_zalloc(kde->ext_capab_len - 2);
-		if (peer->ext_capab == NULL)
-			return -1;
-	}
-
-	peer->ext_capab_len = kde->ext_capab_len - 2;
-	os_memcpy(peer->ext_capab, kde->ext_capab + 2, peer->ext_capab_len);
-
-	return 0;
-}
-
-
-static int copy_peer_wmm_capab(const struct wpa_eapol_ie_parse *kde,
-			       struct wpa_tdls_peer *peer)
-{
-	struct wmm_information_element *wmm;
-
-	if (!kde->wmm) {
-		wpa_printf(MSG_DEBUG, "TDLS: No supported WMM capabilities received");
-		return 0;
-	}
-
-	if (kde->wmm_len < sizeof(struct wmm_information_element)) {
-		wpa_printf(MSG_DEBUG, "TDLS: Invalid supported WMM capabilities received");
-		return -1;
-	}
-
-	wmm = (struct wmm_information_element *) kde->wmm;
-	peer->qos_info = wmm->qos_info;
-
-	peer->wmm_capable = 1;
-
-	wpa_printf(MSG_DEBUG, "TDLS: Peer WMM QOS Info 0x%x", peer->qos_info);
-	return 0;
-}
-
-
-static int copy_peer_supp_channels(const struct wpa_eapol_ie_parse *kde,
-				   struct wpa_tdls_peer *peer)
-{
-	if (!kde->supp_channels) {
-		wpa_printf(MSG_DEBUG, "TDLS: No supported channels received");
-		return 0;
-	}
-
-	if (!peer->supp_channels ||
-	    peer->supp_channels_len < kde->supp_channels_len) {
-		os_free(peer->supp_channels);
-		peer->supp_channels = os_zalloc(kde->supp_channels_len);
-		if (peer->supp_channels == NULL)
-			return -1;
-	}
-
-	peer->supp_channels_len = kde->supp_channels_len;
-
-	os_memcpy(peer->supp_channels, kde->supp_channels,
-		  peer->supp_channels_len);
-	wpa_hexdump(MSG_DEBUG, "TDLS: Peer Supported Channels",
-		    (u8 *) peer->supp_channels, peer->supp_channels_len);
-	return 0;
-}
-
-
-static int copy_peer_supp_oper_classes(const struct wpa_eapol_ie_parse *kde,
-				       struct wpa_tdls_peer *peer)
-{
-	if (!kde->supp_oper_classes) {
-		wpa_printf(MSG_DEBUG, "TDLS: No supported operating classes received");
-		return 0;
-	}
-
-	if (!peer->supp_oper_classes ||
-	    peer->supp_oper_classes_len < kde->supp_oper_classes_len) {
-		os_free(peer->supp_oper_classes);
-		peer->supp_oper_classes = os_zalloc(kde->supp_oper_classes_len);
-		if (peer->supp_oper_classes == NULL)
-			return -1;
-	}
-
-	peer->supp_oper_classes_len = kde->supp_oper_classes_len;
-	os_memcpy(peer->supp_oper_classes, kde->supp_oper_classes,
-		  peer->supp_oper_classes_len);
-	wpa_hexdump(MSG_DEBUG, "TDLS: Peer Supported Operating Classes",
-		    (u8 *) peer->supp_oper_classes,
-		    peer->supp_oper_classes_len);
-	return 0;
-}
-
-
-static int wpa_tdls_addset_peer(struct wpa_sm *sm, struct wpa_tdls_peer *peer,
-				int add)
-{
-	return wpa_sm_tdls_peer_addset(sm, peer->addr, add, peer->aid,
-				       peer->capability,
-				       peer->supp_rates, peer->supp_rates_len,
-				       peer->ht_capabilities,
-				       peer->vht_capabilities,
-				       peer->qos_info, peer->wmm_capable,
-				       peer->ext_capab, peer->ext_capab_len,
-				       peer->supp_channels,
-				       peer->supp_channels_len,
-				       peer->supp_oper_classes,
-				       peer->supp_oper_classes_len);
-}
-
-
-static int tdls_nonce_set(const u8 *nonce)
-{
-	int i;
-
-	for (i = 0; i < WPA_NONCE_LEN; i++) {
-		if (nonce[i])
-			return 1;
-	}
-
-	return 0;
-}
-
-
-static int wpa_tdls_process_tpk_m1(struct wpa_sm *sm, const u8 *src_addr,
-				   const u8 *buf, size_t len)
-{
-	struct wpa_tdls_peer *peer;
-	struct wpa_eapol_ie_parse kde;
-	struct wpa_ie_data ie;
-	int cipher;
-	const u8 *cpos;
-	struct wpa_tdls_ftie *ftie = NULL;
-	struct wpa_tdls_timeoutie *timeoutie;
-	struct wpa_tdls_lnkid *lnkid;
-	u32 lifetime = 0;
-#if 0
-	struct rsn_ie_hdr *hdr;
-	u8 *pos;
-	u16 rsn_capab;
-	u16 rsn_ver;
-#endif
-	u8 dtoken;
-	u16 ielen;
-	u16 status = WLAN_STATUS_UNSPECIFIED_FAILURE;
-	int tdls_prohibited = sm->tdls_prohibited;
-	int existing_peer = 0;
-
-	if (len < 3 + 3)
-		return -1;
-
-	cpos = buf;
-	cpos += 1 /* pkt_type */ + 1 /* Category */ + 1 /* Action */;
-
-	/* driver had already verified the frame format */
-	dtoken = *cpos++; /* dialog token */
-
-	wpa_printf(MSG_INFO, "TDLS: Dialog Token in TPK M1 %d", dtoken);
-
-	peer = wpa_tdls_add_peer(sm, src_addr, &existing_peer);
-	if (peer == NULL)
-		goto error;
-
-	/* If found, use existing entry instead of adding a new one;
-	 * how to handle the case where both ends initiate at the
-	 * same time? */
-	if (existing_peer) {
-		if (peer->tpk_success) {
-			wpa_printf(MSG_DEBUG, "TDLS: TDLS Setup Request while "
-				   "direct link is enabled - tear down the "
-				   "old link first");
-			wpa_sm_tdls_oper(sm, TDLS_DISABLE_LINK, peer->addr);
-			wpa_tdls_peer_clear(sm, peer);
-		} else if (peer->initiator) {
-			/*
-			 * An entry is already present, so check if we already
-			 * sent a TDLS Setup Request. If so, compare MAC
-			 * addresses and let the STA with the lower MAC address
-			 * continue as the initiator. The other negotiation is
-			 * terminated.
-			 */
-			if (os_memcmp(sm->own_addr, src_addr, ETH_ALEN) < 0) {
-				wpa_printf(MSG_DEBUG, "TDLS: Discard request "
-					   "from peer with higher address "
-					   MACSTR, MAC2STR(src_addr));
-				return -1;
-			} else {
-				wpa_printf(MSG_DEBUG, "TDLS: Accept request "
-					   "from peer with lower address "
-					   MACSTR " (terminate previously "
-					   "initiated negotiation",
-					   MAC2STR(src_addr));
-				wpa_sm_tdls_oper(sm, TDLS_DISABLE_LINK,
-						 peer->addr);
-				wpa_tdls_peer_clear(sm, peer);
-			}
-		}
-	}
-
-	/* capability information */
-	peer->capability = WPA_GET_LE16(cpos);
-	cpos += 2;
-
-	ielen = len - (cpos - buf); /* start of IE in buf */
-
-	/*
-	 * Don't reject the message if failing to parse IEs. The IEs we need are
-	 * explicitly checked below. Some APs may add arbitrary padding to the
-	 * end of short TDLS frames and that would look like invalid IEs.
-	 */
-	if (wpa_supplicant_parse_ies(cpos, ielen, &kde) < 0)
-		wpa_printf(MSG_DEBUG,
-			   "TDLS: Failed to parse IEs in TPK M1 - ignore as an interop workaround");
-
-	if (kde.lnkid == NULL || kde.lnkid_len < 3 * ETH_ALEN) {
-		wpa_printf(MSG_INFO, "TDLS: No valid Link Identifier IE in "
-			   "TPK M1");
-		goto error;
-	}
-	wpa_hexdump(MSG_DEBUG, "TDLS: Link ID Received from TPK M1",
-		    kde.lnkid, kde.lnkid_len);
-	lnkid = (struct wpa_tdls_lnkid *) kde.lnkid;
-	if (os_memcmp(sm->bssid, lnkid->bssid, ETH_ALEN) != 0) {
-		wpa_printf(MSG_INFO, "TDLS: TPK M1 from diff BSS");
-		status = WLAN_STATUS_REQUEST_DECLINED;
-		goto error;
-	}
-
-	wpa_printf(MSG_DEBUG, "TDLS: TPK M1 - TPK initiator " MACSTR,
-		   MAC2STR(src_addr));
-
-	if (copy_supp_rates(&kde, peer) < 0)
-		goto error;
-
-	if (copy_peer_ht_capab(&kde, peer) < 0)
-		goto error;
-
-	if (copy_peer_vht_capab(&kde, peer) < 0)
-		goto error;
-
-	if (copy_peer_ext_capab(&kde, peer) < 0)
-		goto error;
-
-	if (copy_peer_supp_channels(&kde, peer) < 0)
-		goto error;
-
-	if (copy_peer_supp_oper_classes(&kde, peer) < 0)
-		goto error;
-
-	peer->qos_info = kde.qosinfo;
-
-	/* Overwrite with the qos_info obtained in WMM IE */
-	if (copy_peer_wmm_capab(&kde, peer) < 0)
-		goto error;
-
-	peer->aid = kde.aid;
-
-#ifdef CONFIG_TDLS_TESTING
-	if (tdls_testing & TDLS_TESTING_CONCURRENT_INIT) {
-		peer = wpa_tdls_add_peer(sm, src_addr, NULL);
-		if (peer == NULL)
-			goto error;
-		wpa_printf(MSG_DEBUG, "TDLS: Testing concurrent initiation of "
-			   "TDLS setup - send own request");
-		peer->initiator = 1;
-		wpa_sm_tdls_peer_addset(sm, peer->addr, 1, 0, 0, NULL, 0, NULL,
-					NULL, 0, 0, NULL, 0, NULL, 0, NULL, 0);
-		wpa_tdls_send_tpk_m1(sm, peer);
-	}
-
-	if ((tdls_testing & TDLS_TESTING_IGNORE_AP_PROHIBIT) &&
-	    tdls_prohibited) {
-		wpa_printf(MSG_DEBUG, "TDLS: Testing - ignore AP prohibition "
-			   "on TDLS");
-		tdls_prohibited = 0;
-	}
-#endif /* CONFIG_TDLS_TESTING */
-
-	if (tdls_prohibited) {
-		wpa_printf(MSG_INFO, "TDLS: TDLS prohibited in this BSS");
-		status = WLAN_STATUS_REQUEST_DECLINED;
-		goto error;
-	}
-
-	if (!wpa_tdls_get_privacy(sm)) {
-		if (kde.rsn_ie) {
-			wpa_printf(MSG_INFO, "TDLS: RSN IE in TPK M1 while "
-				   "security is disabled");
-			status = WLAN_STATUS_SECURITY_DISABLED;
-			goto error;
-		}
-		goto skip_rsn;
-	}
-
-	if (kde.ftie == NULL || kde.ftie_len < sizeof(*ftie) ||
-	    kde.rsn_ie == NULL) {
-		wpa_printf(MSG_INFO, "TDLS: No FTIE or RSN IE in TPK M1");
-		status = WLAN_STATUS_INVALID_PARAMETERS;
-		goto error;
-	}
-
-	if (kde.rsn_ie_len > TDLS_MAX_IE_LEN) {
-		wpa_printf(MSG_INFO, "TDLS: Too long Initiator RSN IE in "
-			   "TPK M1");
-		status = WLAN_STATUS_INVALID_RSNIE;
-		goto error;
-	}
-
-	if (wpa_parse_wpa_ie_rsn(kde.rsn_ie, kde.rsn_ie_len, &ie) < 0) {
-		wpa_printf(MSG_INFO, "TDLS: Failed to parse RSN IE in TPK M1");
-		status = WLAN_STATUS_INVALID_RSNIE;
-		goto error;
-	}
-
-	cipher = ie.pairwise_cipher;
-	if (cipher & WPA_CIPHER_CCMP) {
-		wpa_printf(MSG_DEBUG, "TDLS: Using CCMP for direct link");
-		cipher = WPA_CIPHER_CCMP;
-	} else {
-		wpa_printf(MSG_INFO, "TDLS: No acceptable cipher in TPK M1");
-		status = WLAN_STATUS_PAIRWISE_CIPHER_NOT_VALID;
-		goto error;
-	}
-
-	if ((ie.capabilities &
-	     (WPA_CAPABILITY_NO_PAIRWISE | WPA_CAPABILITY_PEERKEY_ENABLED)) !=
-	    WPA_CAPABILITY_PEERKEY_ENABLED) {
-		wpa_printf(MSG_INFO, "TDLS: Invalid RSN Capabilities in "
-			   "TPK M1");
-		status = WLAN_STATUS_INVALID_RSN_IE_CAPAB;
-		goto error;
-	}
-
-	/* Lifetime */
-	if (kde.key_lifetime == NULL) {
-		wpa_printf(MSG_INFO, "TDLS: No Key Lifetime IE in TPK M1");
-		status = WLAN_STATUS_UNACCEPTABLE_LIFETIME;
-		goto error;
-	}
-	timeoutie = (struct wpa_tdls_timeoutie *) kde.key_lifetime;
-	lifetime = WPA_GET_LE32(timeoutie->value);
-	wpa_printf(MSG_DEBUG, "TDLS: TPK lifetime %u seconds", lifetime);
-	if (lifetime < 300) {
-		wpa_printf(MSG_INFO, "TDLS: Too short TPK lifetime");
-		status = WLAN_STATUS_UNACCEPTABLE_LIFETIME;
-		goto error;
-	}
-
-skip_rsn:
-#ifdef CONFIG_TDLS_TESTING
-	if (tdls_testing & TDLS_TESTING_CONCURRENT_INIT) {
-		if (os_memcmp(sm->own_addr, peer->addr, ETH_ALEN) < 0) {
-			/*
-			 * The request frame from us is going to win, so do not
-			 * replace information based on this request frame from
-			 * the peer.
-			 */
-			goto skip_rsn_check;
-		}
-	}
-#endif /* CONFIG_TDLS_TESTING */
-
-	peer->initiator = 0; /* Need to check */
-	peer->dtoken = dtoken;
-
-	if (!wpa_tdls_get_privacy(sm)) {
-		peer->rsnie_i_len = 0;
-		peer->rsnie_p_len = 0;
-		peer->cipher = WPA_CIPHER_NONE;
-		goto skip_rsn_check;
-	}
-
-	ftie = (struct wpa_tdls_ftie *) kde.ftie;
-	os_memcpy(peer->rsnie_i, kde.rsn_ie, kde.rsn_ie_len);
-	peer->rsnie_i_len = kde.rsn_ie_len;
-	peer->cipher = cipher;
-
-	if (os_memcmp(peer->inonce, ftie->Snonce, WPA_NONCE_LEN) != 0 ||
-	    !tdls_nonce_set(peer->inonce)) {
-		/*
-		 * There is no point in updating the RNonce for every obtained
-		 * TPK M1 frame (e.g., retransmission due to timeout) with the
-		 * same INonce (SNonce in FTIE). However, if the TPK M1 is
-		 * retransmitted with a different INonce, update the RNonce
-		 * since this is for a new TDLS session.
-		 */
-		wpa_printf(MSG_DEBUG,
-			   "TDLS: New TPK M1 INonce - generate new RNonce");
-		os_memcpy(peer->inonce, ftie->Snonce, WPA_NONCE_LEN);
-		if (os_get_random(peer->rnonce, WPA_NONCE_LEN)) {
-			wpa_msg(sm->ctx->ctx, MSG_WARNING,
-				"TDLS: Failed to get random data for responder nonce");
-			goto error;
-		}
-		peer->tk_set = 0; /* A new nonce results in a new TK */
-	}
-
-#if 0
-	/* get version info from RSNIE received from Peer */
-	hdr = (struct rsn_ie_hdr *) kde.rsn_ie;
-	rsn_ver = WPA_GET_LE16(hdr->version);
-
-	/* use min(peer's version, out version) */
-	if (rsn_ver > RSN_VERSION)
-		rsn_ver = RSN_VERSION;
-
-	hdr = (struct rsn_ie_hdr *) peer->rsnie_p;
-
-	hdr->elem_id = WLAN_EID_RSN;
-	WPA_PUT_LE16(hdr->version, rsn_ver);
-	pos = (u8 *) (hdr + 1);
-
-	RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_NO_GROUP_ADDRESSED);
-	pos += RSN_SELECTOR_LEN;
-	/* Include only the selected cipher in pairwise cipher suite */
-	WPA_PUT_LE16(pos, 1);
-	pos += 2;
-	if (cipher == WPA_CIPHER_CCMP)
-		RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_CCMP);
-	pos += RSN_SELECTOR_LEN;
-
-	WPA_PUT_LE16(pos, 1);
-	pos += 2;
-	RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_TPK_HANDSHAKE);
-	pos += RSN_SELECTOR_LEN;
-
-	rsn_capab = WPA_CAPABILITY_PEERKEY_ENABLED;
-	rsn_capab |= RSN_NUM_REPLAY_COUNTERS_16 << 2;
-	WPA_PUT_LE16(pos, rsn_capab);
-	pos += 2;
-
-	hdr->len = (pos - peer->rsnie_p) - 2;
-	peer->rsnie_p_len = pos - peer->rsnie_p;
-#endif
-
-	/* temp fix: validation of RSNIE later */
-	os_memcpy(peer->rsnie_p, peer->rsnie_i, peer->rsnie_i_len);
-	peer->rsnie_p_len = peer->rsnie_i_len;
-
-	wpa_hexdump(MSG_DEBUG, "TDLS: RSN IE for TPK handshake",
-		    peer->rsnie_p, peer->rsnie_p_len);
-
-	peer->lifetime = lifetime;
-
-	wpa_tdls_generate_tpk(peer, sm->own_addr, sm->bssid);
-
-skip_rsn_check:
-#ifdef CONFIG_TDLS_TESTING
-	if (tdls_testing & TDLS_TESTING_CONCURRENT_INIT)
-		goto skip_add_peer;
-#endif /* CONFIG_TDLS_TESTING */
-
-	/* add supported rates, capabilities, and qos_info to the TDLS peer */
-	if (wpa_tdls_addset_peer(sm, peer, 1) < 0)
-		goto error;
-
-#ifdef CONFIG_TDLS_TESTING
-skip_add_peer:
-#endif /* CONFIG_TDLS_TESTING */
-	peer->tpk_in_progress = 1;
-
-	wpa_printf(MSG_DEBUG, "TDLS: Sending TDLS Setup Response / TPK M2");
-	if (wpa_tdls_send_tpk_m2(sm, src_addr, dtoken, lnkid, peer) < 0) {
-		wpa_sm_tdls_oper(sm, TDLS_DISABLE_LINK, peer->addr);
-		goto error;
-	}
-
-	return 0;
-
-error:
-	wpa_tdls_send_error(sm, src_addr, WLAN_TDLS_SETUP_RESPONSE, dtoken, 0,
-			    status);
-	if (peer)
-		wpa_tdls_peer_free(sm, peer);
-	return -1;
-}
-
-
-static int wpa_tdls_enable_link(struct wpa_sm *sm, struct wpa_tdls_peer *peer)
-{
-	peer->tpk_success = 1;
-	peer->tpk_in_progress = 0;
-	eloop_cancel_timeout(wpa_tdls_tpk_timeout, sm, peer);
-	if (wpa_tdls_get_privacy(sm)) {
-		u32 lifetime = peer->lifetime;
-		/*
-		 * Start the initiator process a bit earlier to avoid race
-		 * condition with the responder sending teardown request.
-		 */
-		if (lifetime > 3 && peer->initiator)
-			lifetime -= 3;
-		eloop_register_timeout(lifetime, 0, wpa_tdls_tpk_timeout,
-				       sm, peer);
-#ifdef CONFIG_TDLS_TESTING
-	if (tdls_testing & TDLS_TESTING_NO_TPK_EXPIRATION) {
-		wpa_printf(MSG_DEBUG, "TDLS: Testing - disable TPK "
-			   "expiration");
-		eloop_cancel_timeout(wpa_tdls_tpk_timeout, sm, peer);
-	}
-#endif /* CONFIG_TDLS_TESTING */
-	}
-
-	if (peer->reconfig_key && wpa_tdls_set_key(sm, peer) < 0) {
-		wpa_printf(MSG_INFO, "TDLS: Could not configure key to the "
-			   "driver");
-		return -1;
-	}
-	peer->reconfig_key = 0;
-
-	return wpa_sm_tdls_oper(sm, TDLS_ENABLE_LINK, peer->addr);
-}
-
-
-static int wpa_tdls_process_tpk_m2(struct wpa_sm *sm, const u8 *src_addr,
-				   const u8 *buf, size_t len)
-{
-	struct wpa_tdls_peer *peer;
-	struct wpa_eapol_ie_parse kde;
-	struct wpa_ie_data ie;
-	int cipher;
-	struct wpa_tdls_ftie *ftie;
-	struct wpa_tdls_timeoutie *timeoutie;
-	struct wpa_tdls_lnkid *lnkid;
-	u32 lifetime;
-	u8 dtoken;
-	int ielen;
-	u16 status;
-	const u8 *pos;
-	int ret = 0;
-
-	wpa_printf(MSG_DEBUG, "TDLS: Received TDLS Setup Response / TPK M2 "
-		   "(Peer " MACSTR ")", MAC2STR(src_addr));
-	for (peer = sm->tdls; peer; peer = peer->next) {
-		if (os_memcmp(peer->addr, src_addr, ETH_ALEN) == 0)
-			break;
-	}
-	if (peer == NULL) {
-		wpa_printf(MSG_INFO, "TDLS: No matching peer found for "
-			   "TPK M2: " MACSTR, MAC2STR(src_addr));
-		return -1;
-	}
-	if (!peer->initiator) {
-		/*
-		 * This may happen if both devices try to initiate TDLS at the
-		 * same time and we accept the TPK M1 from the peer in
-		 * wpa_tdls_process_tpk_m1() and clear our previous state.
-		 */
-		wpa_printf(MSG_INFO, "TDLS: We were not the initiator, so "
-			   "ignore TPK M2 from " MACSTR, MAC2STR(src_addr));
-		return -1;
-	}
-
-	if (peer->tpk_success) {
-		wpa_printf(MSG_INFO, "TDLS: Ignore incoming TPK M2 retry, from "
-			   MACSTR " as TPK M3 was already sent",
-			   MAC2STR(src_addr));
-		return 0;
-	}
-
-	wpa_tdls_tpk_retry_timeout_cancel(sm, peer, WLAN_TDLS_SETUP_REQUEST);
-
-	if (len < 3 + 2 + 1) {
-		wpa_tdls_disable_peer_link(sm, peer);
-		return -1;
-	}
-
-	pos = buf;
-	pos += 1 /* pkt_type */ + 1 /* Category */ + 1 /* Action */;
-	status = WPA_GET_LE16(pos);
-	pos += 2 /* status code */;
-
-	if (status != WLAN_STATUS_SUCCESS) {
-		wpa_printf(MSG_INFO, "TDLS: Status code in TPK M2: %u",
-			   status);
-		wpa_tdls_disable_peer_link(sm, peer);
-		return -1;
-	}
-
-	status = WLAN_STATUS_UNSPECIFIED_FAILURE;
-
-	/* TODO: need to verify dialog token matches here or in kernel */
-	dtoken = *pos++; /* dialog token */
-
-	wpa_printf(MSG_DEBUG, "TDLS: Dialog Token in TPK M2 %d", dtoken);
-
-	if (len < 3 + 2 + 1 + 2) {
-		wpa_tdls_disable_peer_link(sm, peer);
-		return -1;
-	}
-
-	/* capability information */
-	peer->capability = WPA_GET_LE16(pos);
-	pos += 2;
-
-	ielen = len - (pos - buf); /* start of IE in buf */
-
-	/*
-	 * Don't reject the message if failing to parse IEs. The IEs we need are
-	 * explicitly checked below. Some APs may add arbitrary padding to the
-	 * end of short TDLS frames and that would look like invalid IEs.
-	 */
-	if (wpa_supplicant_parse_ies(pos, ielen, &kde) < 0)
-		wpa_printf(MSG_DEBUG,
-			   "TDLS: Failed to parse IEs in TPK M2 - ignore as an interop workaround");
-
-#ifdef CONFIG_TDLS_TESTING
-	if (tdls_testing & TDLS_TESTING_DECLINE_RESP) {
-		wpa_printf(MSG_DEBUG, "TDLS: Testing - decline response");
-		status = WLAN_STATUS_REQUEST_DECLINED;
-		goto error;
-	}
-#endif /* CONFIG_TDLS_TESTING */
-
-	if (kde.lnkid == NULL || kde.lnkid_len < 3 * ETH_ALEN) {
-		wpa_printf(MSG_INFO, "TDLS: No valid Link Identifier IE in "
-			   "TPK M2");
-		goto error;
-	}
-	wpa_hexdump(MSG_DEBUG, "TDLS: Link ID Received from TPK M2",
-		    kde.lnkid, kde.lnkid_len);
-	lnkid = (struct wpa_tdls_lnkid *) kde.lnkid;
-
-	if (os_memcmp(sm->bssid, lnkid->bssid, ETH_ALEN) != 0) {
-		wpa_printf(MSG_INFO, "TDLS: TPK M2 from different BSS");
-		status = WLAN_STATUS_NOT_IN_SAME_BSS;
-		goto error;
-	}
-
-	if (copy_supp_rates(&kde, peer) < 0)
-		goto error;
-
-	if (copy_peer_ht_capab(&kde, peer) < 0)
-		goto error;
-
-	if (copy_peer_vht_capab(&kde, peer) < 0)
-		goto error;
-
-	if (copy_peer_ext_capab(&kde, peer) < 0)
-		goto error;
-
-	if (copy_peer_supp_channels(&kde, peer) < 0)
-		goto error;
-
-	if (copy_peer_supp_oper_classes(&kde, peer) < 0)
-		goto error;
-
-	peer->qos_info = kde.qosinfo;
-
-	/* Overwrite with the qos_info obtained in WMM IE */
-	if (copy_peer_wmm_capab(&kde, peer) < 0)
-		goto error;
-
-	peer->aid = kde.aid;
-
-	if (!wpa_tdls_get_privacy(sm)) {
-		peer->rsnie_p_len = 0;
-		peer->cipher = WPA_CIPHER_NONE;
-		goto skip_rsn;
-	}
-
-	if (kde.ftie == NULL || kde.ftie_len < sizeof(*ftie) ||
-	    kde.rsn_ie == NULL) {
-		wpa_printf(MSG_INFO, "TDLS: No FTIE or RSN IE in TPK M2");
-		status = WLAN_STATUS_INVALID_PARAMETERS;
-		goto error;
-	}
-	wpa_hexdump(MSG_DEBUG, "TDLS: RSN IE Received from TPK M2",
-		    kde.rsn_ie, kde.rsn_ie_len);
-
-	if (kde.rsn_ie_len > TDLS_MAX_IE_LEN) {
-		wpa_printf(MSG_INFO,
-			   "TDLS: Too long Responder RSN IE in TPK M2");
-		status = WLAN_STATUS_INVALID_RSNIE;
-		goto error;
-	}
-
-	/*
-	 * FIX: bitwise comparison of RSN IE is not the correct way of
-	 * validation this. It can be different, but certain fields must
-	 * match. Since we list only a single pairwise cipher in TPK M1, the
-	 * memcmp is likely to work in most cases, though.
-	 */
-	if (kde.rsn_ie_len != peer->rsnie_i_len ||
-	    os_memcmp(peer->rsnie_i, kde.rsn_ie, peer->rsnie_i_len) != 0) {
-		wpa_printf(MSG_INFO, "TDLS: RSN IE in TPK M2 does "
-			   "not match with RSN IE used in TPK M1");
-		wpa_hexdump(MSG_DEBUG, "TDLS: RSN IE Sent in TPK M1",
-			    peer->rsnie_i, peer->rsnie_i_len);
-		wpa_hexdump(MSG_DEBUG, "TDLS: RSN IE Received from TPK M2",
-			    kde.rsn_ie, kde.rsn_ie_len);
-		status = WLAN_STATUS_INVALID_RSNIE;
-		goto error;
-	}
-
-	if (wpa_parse_wpa_ie_rsn(kde.rsn_ie, kde.rsn_ie_len, &ie) < 0) {
-		wpa_printf(MSG_INFO, "TDLS: Failed to parse RSN IE in TPK M2");
-		status = WLAN_STATUS_INVALID_RSNIE;
-		goto error;
-	}
-
-	cipher = ie.pairwise_cipher;
-	if (cipher == WPA_CIPHER_CCMP) {
-		wpa_printf(MSG_DEBUG, "TDLS: Using CCMP for direct link");
-		cipher = WPA_CIPHER_CCMP;
-	} else {
-		wpa_printf(MSG_INFO, "TDLS: No acceptable cipher in TPK M2");
-		status = WLAN_STATUS_PAIRWISE_CIPHER_NOT_VALID;
-		goto error;
-	}
-
-	wpa_hexdump(MSG_DEBUG, "TDLS: FTIE Received from TPK M2",
-		    kde.ftie, sizeof(*ftie));
-	ftie = (struct wpa_tdls_ftie *) kde.ftie;
-
-	if (!os_memcmp(peer->inonce, ftie->Snonce, WPA_NONCE_LEN) == 0) {
-		wpa_printf(MSG_INFO, "TDLS: FTIE SNonce in TPK M2 does "
-			   "not match with FTIE SNonce used in TPK M1");
-		/* Silently discard the frame */
-		return -1;
-	}
-
-	/* Responder Nonce and RSN IE */
-	os_memcpy(peer->rnonce, ftie->Anonce, WPA_NONCE_LEN);
-	os_memcpy(peer->rsnie_p, kde.rsn_ie, kde.rsn_ie_len);
-	peer->rsnie_p_len = kde.rsn_ie_len;
-	peer->cipher = cipher;
-
-	/* Lifetime */
-	if (kde.key_lifetime == NULL) {
-		wpa_printf(MSG_INFO, "TDLS: No Key Lifetime IE in TPK M2");
-		status = WLAN_STATUS_UNACCEPTABLE_LIFETIME;
-		goto error;
-	}
-	timeoutie = (struct wpa_tdls_timeoutie *) kde.key_lifetime;
-	lifetime = WPA_GET_LE32(timeoutie->value);
-	wpa_printf(MSG_DEBUG, "TDLS: TPK lifetime %u seconds in TPK M2",
-		   lifetime);
-	if (lifetime != peer->lifetime) {
-		wpa_printf(MSG_INFO, "TDLS: Unexpected TPK lifetime %u in "
-			   "TPK M2 (expected %u)", lifetime, peer->lifetime);
-		status = WLAN_STATUS_UNACCEPTABLE_LIFETIME;
-		goto error;
-	}
-
-	wpa_tdls_generate_tpk(peer, sm->own_addr, sm->bssid);
-
-	/* Process MIC check to see if TPK M2 is right */
-	if (wpa_supplicant_verify_tdls_mic(2, peer, (u8 *) lnkid,
-					   (u8 *) timeoutie, ftie) < 0) {
-		/* Discard the frame */
-		wpa_tdls_del_key(sm, peer);
-		wpa_tdls_disable_peer_link(sm, peer);
-		return -1;
-	}
-
-	if (wpa_tdls_set_key(sm, peer) < 0) {
-		/*
-		 * Some drivers may not be able to config the key prior to full
-		 * STA entry having been configured.
-		 */
-		wpa_printf(MSG_DEBUG, "TDLS: Try to configure TPK again after "
-			   "STA entry is complete");
-		peer->reconfig_key = 1;
-	}
-
-skip_rsn:
-	peer->dtoken = dtoken;
-
-	/* add supported rates, capabilities, and qos_info to the TDLS peer */
-	if (wpa_tdls_addset_peer(sm, peer, 0) < 0)
-		goto error;
-
-	wpa_printf(MSG_DEBUG, "TDLS: Sending TDLS Setup Confirm / "
-		   "TPK Handshake Message 3");
-	if (wpa_tdls_send_tpk_m3(sm, src_addr, dtoken, lnkid, peer) < 0)
-		goto error;
-
-	if (!peer->tpk_success) {
-		/*
-		 * Enable Link only when tpk_success is 0, signifying that this
-		 * processing of TPK M2 frame is not because of a retransmission
-		 * during TDLS setup handshake.
-		 */
-		ret = wpa_tdls_enable_link(sm, peer);
-		if (ret < 0) {
-			wpa_printf(MSG_DEBUG, "TDLS: Could not enable link");
-			wpa_tdls_do_teardown(
-				sm, peer,
-				WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
-		}
-	}
-	return ret;
-
-error:
-	wpa_tdls_send_error(sm, src_addr, WLAN_TDLS_SETUP_CONFIRM, dtoken, 1,
-			    status);
-	wpa_tdls_disable_peer_link(sm, peer);
-	return -1;
-}
-
-
-static int wpa_tdls_process_tpk_m3(struct wpa_sm *sm, const u8 *src_addr,
-				   const u8 *buf, size_t len)
-{
-	struct wpa_tdls_peer *peer;
-	struct wpa_eapol_ie_parse kde;
-	struct wpa_tdls_ftie *ftie;
-	struct wpa_tdls_timeoutie *timeoutie;
-	struct wpa_tdls_lnkid *lnkid;
-	int ielen;
-	u16 status;
-	const u8 *pos;
-	u32 lifetime;
-	int ret = 0;
-
-	wpa_printf(MSG_DEBUG, "TDLS: Received TDLS Setup Confirm / TPK M3 "
-		   "(Peer " MACSTR ")", MAC2STR(src_addr));
-	for (peer = sm->tdls; peer; peer = peer->next) {
-		if (os_memcmp(peer->addr, src_addr, ETH_ALEN) == 0)
-			break;
-	}
-	if (peer == NULL) {
-		wpa_printf(MSG_INFO, "TDLS: No matching peer found for "
-			   "TPK M3: " MACSTR, MAC2STR(src_addr));
-		return -1;
-	}
-	wpa_tdls_tpk_retry_timeout_cancel(sm, peer, WLAN_TDLS_SETUP_RESPONSE);
-
-	if (len < 3 + 3)
-		goto error;
-	pos = buf;
-	pos += 1 /* pkt_type */ + 1 /* Category */ + 1 /* Action */;
-
-	status = WPA_GET_LE16(pos);
-
-	if (status != 0) {
-		wpa_printf(MSG_INFO, "TDLS: Status code in TPK M3: %u",
-			   status);
-		goto error;
-	}
-	pos += 2 /* status code */ + 1 /* dialog token */;
-
-	ielen = len - (pos - buf); /* start of IE in buf */
-
-	/*
-	 * Don't reject the message if failing to parse IEs. The IEs we need are
-	 * explicitly checked below. Some APs piggy-back broken IEs to the end
-	 * of a TDLS Confirm packet, which will fail the link if we don't ignore
-	 * this error.
-	 */
-	if (wpa_supplicant_parse_ies((const u8 *) pos, ielen, &kde) < 0) {
-		wpa_printf(MSG_DEBUG,
-			   "TDLS: Failed to parse KDEs in TPK M3 - ignore as an interop workaround");
-	}
-
-	if (kde.lnkid == NULL || kde.lnkid_len < 3 * ETH_ALEN) {
-		wpa_printf(MSG_INFO, "TDLS: No Link Identifier IE in TPK M3");
-		goto error;
-	}
-	wpa_hexdump(MSG_DEBUG, "TDLS: Link ID Received from TPK M3",
-		    (u8 *) kde.lnkid, kde.lnkid_len);
-	lnkid = (struct wpa_tdls_lnkid *) kde.lnkid;
-
-	if (os_memcmp(sm->bssid, lnkid->bssid, ETH_ALEN) != 0) {
-		wpa_printf(MSG_INFO, "TDLS: TPK M3 from diff BSS");
-		goto error;
-	}
-
-	if (!wpa_tdls_get_privacy(sm))
-		goto skip_rsn;
-
-	if (kde.ftie == NULL || kde.ftie_len < sizeof(*ftie)) {
-		wpa_printf(MSG_INFO, "TDLS: No FTIE in TPK M3");
-		goto error;
-	}
-	wpa_hexdump(MSG_DEBUG, "TDLS: FTIE Received from TPK M3",
-		    kde.ftie, sizeof(*ftie));
-	ftie = (struct wpa_tdls_ftie *) kde.ftie;
-
-	if (kde.rsn_ie == NULL) {
-		wpa_printf(MSG_INFO, "TDLS: No RSN IE in TPK M3");
-		goto error;
-	}
-	wpa_hexdump(MSG_DEBUG, "TDLS: RSN IE Received from TPK M3",
-		    kde.rsn_ie, kde.rsn_ie_len);
-	if (kde.rsn_ie_len != peer->rsnie_p_len ||
-	    os_memcmp(kde.rsn_ie, peer->rsnie_p, peer->rsnie_p_len) != 0) {
-		wpa_printf(MSG_INFO, "TDLS: RSN IE in TPK M3 does not match "
-			   "with the one sent in TPK M2");
-		goto error;
-	}
-
-	if (!os_memcmp(peer->rnonce, ftie->Anonce, WPA_NONCE_LEN) == 0) {
-		wpa_printf(MSG_INFO, "TDLS: FTIE ANonce in TPK M3 does "
-			   "not match with FTIE ANonce used in TPK M2");
-		goto error;
-	}
-
-	if (!os_memcmp(peer->inonce, ftie->Snonce, WPA_NONCE_LEN) == 0) {
-		wpa_printf(MSG_INFO, "TDLS: FTIE SNonce in TPK M3 does not "
-			   "match with FTIE SNonce used in TPK M1");
-		goto error;
-	}
-
-	if (kde.key_lifetime == NULL) {
-		wpa_printf(MSG_INFO, "TDLS: No Key Lifetime IE in TPK M3");
-		goto error;
-	}
-	timeoutie = (struct wpa_tdls_timeoutie *) kde.key_lifetime;
-	wpa_hexdump(MSG_DEBUG, "TDLS: Timeout IE Received from TPK M3",
-		    (u8 *) timeoutie, sizeof(*timeoutie));
-	lifetime = WPA_GET_LE32(timeoutie->value);
-	wpa_printf(MSG_DEBUG, "TDLS: TPK lifetime %u seconds in TPK M3",
-		   lifetime);
-	if (lifetime != peer->lifetime) {
-		wpa_printf(MSG_INFO, "TDLS: Unexpected TPK lifetime %u in "
-			   "TPK M3 (expected %u)", lifetime, peer->lifetime);
-		goto error;
-	}
-
-	if (wpa_supplicant_verify_tdls_mic(3, peer, (u8 *) lnkid,
-					   (u8 *) timeoutie, ftie) < 0) {
-		wpa_tdls_del_key(sm, peer);
-		goto error;
-	}
-
-	if (wpa_tdls_set_key(sm, peer) < 0) {
-		/*
-		 * Some drivers may not be able to config the key prior to full
-		 * STA entry having been configured.
-		 */
-		wpa_printf(MSG_DEBUG, "TDLS: Try to configure TPK again after "
-			   "STA entry is complete");
-		peer->reconfig_key = 1;
-	}
-
-skip_rsn:
-	/* add supported rates, capabilities, and qos_info to the TDLS peer */
-	if (wpa_tdls_addset_peer(sm, peer, 0) < 0)
-		goto error;
-
-	if (!peer->tpk_success) {
-		/*
-		 * Enable Link only when tpk_success is 0, signifying that this
-		 * processing of TPK M3 frame is not because of a retransmission
-		 * during TDLS setup handshake.
-		 */
-		ret = wpa_tdls_enable_link(sm, peer);
-		if (ret < 0) {
-			wpa_printf(MSG_DEBUG, "TDLS: Could not enable link");
-			goto error;
-		}
-	}
-	return ret;
-error:
-	wpa_tdls_do_teardown(sm, peer, WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
-	return -1;
-}
-
-
-static u8 * wpa_add_tdls_timeoutie(u8 *pos, u8 *ie, size_t ie_len, u32 tsecs)
-{
-	struct wpa_tdls_timeoutie *lifetime = (struct wpa_tdls_timeoutie *) ie;
-
-	os_memset(lifetime, 0, ie_len);
-	lifetime->ie_type = WLAN_EID_TIMEOUT_INTERVAL;
-	lifetime->ie_len = sizeof(struct wpa_tdls_timeoutie) - 2;
-	lifetime->interval_type = WLAN_TIMEOUT_KEY_LIFETIME;
-	WPA_PUT_LE32(lifetime->value, tsecs);
-	os_memcpy(pos, ie, ie_len);
-	return pos + ie_len;
-}
-
-
-/**
- * wpa_tdls_start - Initiate TDLS handshake (send TPK Handshake Message 1)
- * @sm: Pointer to WPA state machine data from wpa_sm_init()
- * @peer: MAC address of the peer STA
- * Returns: 0 on success, or -1 on failure
- *
- * Send TPK Handshake Message 1 info to driver to start TDLS
- * handshake with the peer.
- */
-int wpa_tdls_start(struct wpa_sm *sm, const u8 *addr)
-{
-	struct wpa_tdls_peer *peer;
-	int tdls_prohibited = sm->tdls_prohibited;
-
-	if (sm->tdls_disabled || !sm->tdls_supported)
-		return -1;
-
-#ifdef CONFIG_TDLS_TESTING
-	if ((tdls_testing & TDLS_TESTING_IGNORE_AP_PROHIBIT) &&
-	    tdls_prohibited) {
-		wpa_printf(MSG_DEBUG, "TDLS: Testing - ignore AP prohibition "
-			   "on TDLS");
-		tdls_prohibited = 0;
-	}
-#endif /* CONFIG_TDLS_TESTING */
-
-	if (tdls_prohibited) {
-		wpa_printf(MSG_DEBUG, "TDLS: TDLS is prohibited in this BSS - "
-			   "reject request to start setup");
-		return -1;
-	}
-
-	peer = wpa_tdls_add_peer(sm, addr, NULL);
-	if (peer == NULL)
-		return -1;
-
-	if (peer->tpk_in_progress) {
-		wpa_printf(MSG_DEBUG, "TDLS: Setup is already in progress with the peer");
-		return 0;
-	}
-
-	peer->initiator = 1;
-
-	/* add the peer to the driver as a "setup in progress" peer */
-	if (wpa_sm_tdls_peer_addset(sm, peer->addr, 1, 0, 0, NULL, 0, NULL,
-				    NULL, 0, 0, NULL, 0, NULL, 0, NULL, 0)) {
-		wpa_tdls_disable_peer_link(sm, peer);
-		return -1;
-	}
-
-	peer->tpk_in_progress = 1;
-
-	if (wpa_tdls_send_tpk_m1(sm, peer) < 0) {
-		wpa_tdls_disable_peer_link(sm, peer);
-		return -1;
-	}
-
-	return 0;
-}
-
-
-void wpa_tdls_remove(struct wpa_sm *sm, const u8 *addr)
-{
-	struct wpa_tdls_peer *peer;
-
-	if (sm->tdls_disabled || !sm->tdls_supported)
-		return;
-
-	for (peer = sm->tdls; peer; peer = peer->next) {
-		if (os_memcmp(peer->addr, addr, ETH_ALEN) == 0)
-			break;
-	}
-
-	if (peer == NULL || !peer->tpk_success)
-		return;
-
-	if (sm->tdls_external_setup) {
-		/*
-		 * Disable previous link to allow renegotiation to be completed
-		 * on AP path.
-		 */
-		wpa_tdls_do_teardown(sm, peer,
-				     WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
-	}
-}
-
-
-/**
- * wpa_supplicant_rx_tdls - Receive TDLS data frame
- *
- * This function is called to receive TDLS (ethertype = 0x890d) data frames.
- */
-static void wpa_supplicant_rx_tdls(void *ctx, const u8 *src_addr,
-				   const u8 *buf, size_t len)
-{
-	struct wpa_sm *sm = ctx;
-	struct wpa_tdls_frame *tf;
-
-	wpa_hexdump(MSG_DEBUG, "TDLS: Received Data frame encapsulation",
-		    buf, len);
-
-	if (sm->tdls_disabled || !sm->tdls_supported) {
-		wpa_printf(MSG_DEBUG, "TDLS: Discard message - TDLS disabled "
-			   "or unsupported by driver");
-		return;
-	}
-
-	if (os_memcmp(src_addr, sm->own_addr, ETH_ALEN) == 0) {
-		wpa_printf(MSG_DEBUG, "TDLS: Discard copy of own message");
-		return;
-	}
-
-	if (len < sizeof(*tf)) {
-		wpa_printf(MSG_INFO, "TDLS: Drop too short frame");
-		return;
-	}
-
-	/* Check to make sure its a valid encapsulated TDLS frame */
-	tf = (struct wpa_tdls_frame *) buf;
-	if (tf->payloadtype != 2 /* TDLS_RFTYPE */ ||
-	    tf->category != WLAN_ACTION_TDLS) {
-		wpa_printf(MSG_INFO, "TDLS: Invalid frame - payloadtype=%u "
-			   "category=%u action=%u",
-			   tf->payloadtype, tf->category, tf->action);
-		return;
-	}
-
-	switch (tf->action) {
-	case WLAN_TDLS_SETUP_REQUEST:
-		wpa_tdls_process_tpk_m1(sm, src_addr, buf, len);
-		break;
-	case WLAN_TDLS_SETUP_RESPONSE:
-		wpa_tdls_process_tpk_m2(sm, src_addr, buf, len);
-		break;
-	case WLAN_TDLS_SETUP_CONFIRM:
-		wpa_tdls_process_tpk_m3(sm, src_addr, buf, len);
-		break;
-	case WLAN_TDLS_TEARDOWN:
-		wpa_tdls_recv_teardown(sm, src_addr, buf, len);
-		break;
-	case WLAN_TDLS_DISCOVERY_REQUEST:
-		wpa_tdls_process_discovery_request(sm, src_addr, buf, len);
-		break;
-	default:
-		/* Kernel code will process remaining frames */
-		wpa_printf(MSG_DEBUG, "TDLS: Ignore TDLS frame action code %u",
-			   tf->action);
-		break;
-	}
-}
-
-
-/**
- * wpa_tdls_init - Initialize driver interface parameters for TDLS
- * @wpa_s: Pointer to wpa_supplicant data
- * Returns: 0 on success, -1 on failure
- *
- * This function is called to initialize driver interface parameters for TDLS.
- * wpa_drv_init() must have been called before this function to initialize the
- * driver interface.
- */
-int wpa_tdls_init(struct wpa_sm *sm)
-{
-	if (sm == NULL)
-		return -1;
-
-	sm->l2_tdls = l2_packet_init(sm->bridge_ifname ? sm->bridge_ifname :
-				     sm->ifname,
-				     sm->own_addr,
-				     ETH_P_80211_ENCAP, wpa_supplicant_rx_tdls,
-				     sm, 0);
-	if (sm->l2_tdls == NULL) {
-		wpa_printf(MSG_ERROR, "TDLS: Failed to open l2_packet "
-			   "connection");
-		return -1;
-	}
-
-	/*
-	 * Drivers that support TDLS but don't implement the get_capa callback
-	 * are assumed to perform everything internally
-	 */
-	if (wpa_sm_tdls_get_capa(sm, &sm->tdls_supported,
-				 &sm->tdls_external_setup,
-				 &sm->tdls_chan_switch) < 0) {
-		sm->tdls_supported = 1;
-		sm->tdls_external_setup = 0;
-	}
-
-	wpa_printf(MSG_DEBUG, "TDLS: TDLS operation%s supported by "
-		   "driver", sm->tdls_supported ? "" : " not");
-	wpa_printf(MSG_DEBUG, "TDLS: Driver uses %s link setup",
-		   sm->tdls_external_setup ? "external" : "internal");
-	wpa_printf(MSG_DEBUG, "TDLS: Driver %s TDLS channel switching",
-		   sm->tdls_chan_switch ? "supports" : "does not support");
-
-	return 0;
-}
-
-
-void wpa_tdls_teardown_peers(struct wpa_sm *sm)
-{
-	struct wpa_tdls_peer *peer, *tmp;
-
-	if (!sm)
-		return;
-	peer = sm->tdls;
-
-	wpa_printf(MSG_DEBUG, "TDLS: Tear down peers");
-
-	while (peer) {
-		tmp = peer->next;
-		wpa_printf(MSG_DEBUG, "TDLS: Tear down peer " MACSTR,
-			   MAC2STR(peer->addr));
-		if (sm->tdls_external_setup)
-			wpa_tdls_do_teardown(sm, peer,
-					     WLAN_REASON_DEAUTH_LEAVING);
-		else
-			wpa_sm_tdls_oper(sm, TDLS_TEARDOWN, peer->addr);
-
-		peer = tmp;
-	}
-}
-
-
-static void wpa_tdls_remove_peers(struct wpa_sm *sm)
-{
-	struct wpa_tdls_peer *peer, *tmp;
-
-	peer = sm->tdls;
-
-	while (peer) {
-		int res;
-		tmp = peer->next;
-		res = wpa_sm_tdls_oper(sm, TDLS_DISABLE_LINK, peer->addr);
-		wpa_printf(MSG_DEBUG, "TDLS: Remove peer " MACSTR " (res=%d)",
-			   MAC2STR(peer->addr), res);
-		wpa_tdls_peer_free(sm, peer);
-		peer = tmp;
-	}
-}
-
-
-/**
- * wpa_tdls_deinit - Deinitialize driver interface parameters for TDLS
- *
- * This function is called to recover driver interface parameters for TDLS
- * and frees resources allocated for it.
- */
-void wpa_tdls_deinit(struct wpa_sm *sm)
-{
-	if (sm == NULL)
-		return;
-
-	if (sm->l2_tdls)
-		l2_packet_deinit(sm->l2_tdls);
-	sm->l2_tdls = NULL;
-
-	wpa_tdls_remove_peers(sm);
-}
-
-
-void wpa_tdls_assoc(struct wpa_sm *sm)
-{
-	wpa_printf(MSG_DEBUG, "TDLS: Remove peers on association");
-	wpa_tdls_remove_peers(sm);
-}
-
-
-void wpa_tdls_disassoc(struct wpa_sm *sm)
-{
-	wpa_printf(MSG_DEBUG, "TDLS: Remove peers on disassociation");
-	wpa_tdls_remove_peers(sm);
-}
-
-
-static int wpa_tdls_prohibited(struct ieee802_11_elems *elems)
-{
-	/* bit 38 - TDLS Prohibited */
-	return !!(elems->ext_capab[2 + 4] & 0x40);
-}
-
-
-static int wpa_tdls_chan_switch_prohibited(struct ieee802_11_elems *elems)
-{
-	/* bit 39 - TDLS Channel Switch Prohibited */
-	return !!(elems->ext_capab[2 + 4] & 0x80);
-}
-
-
-void wpa_tdls_ap_ies(struct wpa_sm *sm, const u8 *ies, size_t len)
-{
-	struct ieee802_11_elems elems;
-
-	sm->tdls_prohibited = 0;
-	sm->tdls_chan_switch_prohibited = 0;
-
-	if (ies == NULL ||
-	    ieee802_11_parse_elems(ies, len, &elems, 0) == ParseFailed ||
-	    elems.ext_capab == NULL || elems.ext_capab_len < 2 + 5)
-		return;
-
-	sm->tdls_prohibited = wpa_tdls_prohibited(&elems);
-	wpa_printf(MSG_DEBUG, "TDLS: TDLS is %s in the target BSS",
-		   sm->tdls_prohibited ? "prohibited" : "allowed");
-	sm->tdls_chan_switch_prohibited =
-		wpa_tdls_chan_switch_prohibited(&elems);
-	wpa_printf(MSG_DEBUG, "TDLS: TDLS channel switch %s in the target BSS",
-		   sm->tdls_chan_switch_prohibited ? "prohibited" : "allowed");
-}
-
-
-void wpa_tdls_assoc_resp_ies(struct wpa_sm *sm, const u8 *ies, size_t len)
-{
-	struct ieee802_11_elems elems;
-
-	if (ies == NULL ||
-	    ieee802_11_parse_elems(ies, len, &elems, 0) == ParseFailed ||
-	    elems.ext_capab == NULL || elems.ext_capab_len < 2 + 5)
-		return;
-
-	if (!sm->tdls_prohibited && wpa_tdls_prohibited(&elems)) {
-		wpa_printf(MSG_DEBUG, "TDLS: TDLS prohibited based on "
-			   "(Re)Association Response IEs");
-		sm->tdls_prohibited = 1;
-	}
-
-	if (!sm->tdls_chan_switch_prohibited &&
-	    wpa_tdls_chan_switch_prohibited(&elems)) {
-		wpa_printf(MSG_DEBUG,
-			   "TDLS: TDLS channel switch prohibited based on (Re)Association Response IEs");
-		sm->tdls_chan_switch_prohibited = 1;
-	}
-}
-
-
-void wpa_tdls_enable(struct wpa_sm *sm, int enabled)
-{
-	wpa_printf(MSG_DEBUG, "TDLS: %s", enabled ? "enabled" : "disabled");
-	sm->tdls_disabled = !enabled;
-}
-
-
-int wpa_tdls_is_external_setup(struct wpa_sm *sm)
-{
-	return sm->tdls_external_setup;
-}
-
-
-int wpa_tdls_enable_chan_switch(struct wpa_sm *sm, const u8 *addr,
-				u8 oper_class,
-				struct hostapd_freq_params *freq_params)
-{
-	struct wpa_tdls_peer *peer;
-	int ret;
-
-	if (sm->tdls_disabled || !sm->tdls_supported)
-		return -1;
-
-	if (!sm->tdls_chan_switch) {
-		wpa_printf(MSG_DEBUG,
-			   "TDLS: Channel switching not supported by the driver");
-		return -1;
-	}
-
-	if (sm->tdls_chan_switch_prohibited) {
-		wpa_printf(MSG_DEBUG,
-			   "TDLS: Channel switching is prohibited in this BSS - reject request to switch channel");
-		return -1;
-	}
-
-	for (peer = sm->tdls; peer; peer = peer->next) {
-		if (os_memcmp(peer->addr, addr, ETH_ALEN) == 0)
-			break;
-	}
-
-	if (peer == NULL || !peer->tpk_success) {
-		wpa_printf(MSG_ERROR, "TDLS: Peer " MACSTR
-			   " not found for channel switching", MAC2STR(addr));
-		return -1;
-	}
-
-	if (peer->chan_switch_enabled) {
-		wpa_printf(MSG_DEBUG, "TDLS: Peer " MACSTR
-			   " already has channel switching enabled",
-			   MAC2STR(addr));
-		return 0;
-	}
-
-	ret = wpa_sm_tdls_enable_channel_switch(sm, peer->addr,
-						oper_class, freq_params);
-	if (!ret)
-		peer->chan_switch_enabled = 1;
-
-	return ret;
-}
-
-
-int wpa_tdls_disable_chan_switch(struct wpa_sm *sm, const u8 *addr)
-{
-	struct wpa_tdls_peer *peer;
-
-	if (sm->tdls_disabled || !sm->tdls_supported)
-		return -1;
-
-	for (peer = sm->tdls; peer; peer = peer->next) {
-		if (os_memcmp(peer->addr, addr, ETH_ALEN) == 0)
-			break;
-	}
-
-	if (!peer || !peer->chan_switch_enabled) {
-		wpa_printf(MSG_ERROR, "TDLS: Channel switching not enabled for "
-			   MACSTR, MAC2STR(addr));
-		return -1;
-	}
-
-	/* ignore the return value */
-	wpa_sm_tdls_disable_channel_switch(sm, peer->addr);
-
-	peer->chan_switch_enabled = 0;
-	return 0;
-}
-#endif /* __rtems__ && CONFIG_TDLS */
diff --git a/freebsd/contrib/wpa/wpa_supplicant/wnm_sta.c b/freebsd/contrib/wpa/wpa_supplicant/wnm_sta.c
deleted file mode 100644
index d38b06eb..00000000
--- a/freebsd/contrib/wpa/wpa_supplicant/wnm_sta.c
+++ /dev/null
@@ -1,1168 +0,0 @@
-#include <machine/rtems-bsd-user-space.h>
-
-/*
- * wpa_supplicant - WNM
- * Copyright (c) 2011-2013, Qualcomm Atheros, Inc.
- *
- * This software may be distributed under the terms of the BSD license.
- * See README for more details.
- */
-
-#include "utils/includes.h"
-
-#include "utils/common.h"
-#include "common/ieee802_11_defs.h"
-#include "common/ieee802_11_common.h"
-#include "common/wpa_ctrl.h"
-#include "rsn_supp/wpa.h"
-#include "wpa_supplicant_i.h"
-#include "driver_i.h"
-#include "scan.h"
-#include "ctrl_iface.h"
-#include "bss.h"
-#include "wnm_sta.h"
-#include "hs20_supplicant.h"
-
-#define MAX_TFS_IE_LEN  1024
-#define WNM_MAX_NEIGHBOR_REPORT 10
-
-#if defined(__rtems__) && defined(CONFIG_WNM)
-
-/* get the TFS IE from driver */
-static int ieee80211_11_get_tfs_ie(struct wpa_supplicant *wpa_s, u8 *buf,
-				   u16 *buf_len, enum wnm_oper oper)
-{
-	wpa_printf(MSG_DEBUG, "%s: TFS get operation %d", __func__, oper);
-
-	return wpa_drv_wnm_oper(wpa_s, oper, wpa_s->bssid, buf, buf_len);
-}
-
-
-/* set the TFS IE to driver */
-static int ieee80211_11_set_tfs_ie(struct wpa_supplicant *wpa_s,
-				   const u8 *addr, u8 *buf, u16 *buf_len,
-				   enum wnm_oper oper)
-{
-	wpa_printf(MSG_DEBUG, "%s: TFS set operation %d", __func__, oper);
-
-	return wpa_drv_wnm_oper(wpa_s, oper, addr, buf, buf_len);
-}
-
-
-/* MLME-SLEEPMODE.request */
-int ieee802_11_send_wnmsleep_req(struct wpa_supplicant *wpa_s,
-				 u8 action, u16 intval, struct wpabuf *tfs_req)
-{
-	struct ieee80211_mgmt *mgmt;
-	int res;
-	size_t len;
-	struct wnm_sleep_element *wnmsleep_ie;
-	u8 *wnmtfs_ie;
-	u8 wnmsleep_ie_len;
-	u16 wnmtfs_ie_len;  /* possibly multiple IE(s) */
-	enum wnm_oper tfs_oper = action == 0 ? WNM_SLEEP_TFS_REQ_IE_ADD :
-		WNM_SLEEP_TFS_REQ_IE_NONE;
-
-	wpa_printf(MSG_DEBUG, "WNM: Request to send WNM-Sleep Mode Request "
-		   "action=%s to " MACSTR,
-		   action == 0 ? "enter" : "exit",
-		   MAC2STR(wpa_s->bssid));
-
-	/* WNM-Sleep Mode IE */
-	wnmsleep_ie_len = sizeof(struct wnm_sleep_element);
-	wnmsleep_ie = os_zalloc(sizeof(struct wnm_sleep_element));
-	if (wnmsleep_ie == NULL)
-		return -1;
-	wnmsleep_ie->eid = WLAN_EID_WNMSLEEP;
-	wnmsleep_ie->len = wnmsleep_ie_len - 2;
-	wnmsleep_ie->action_type = action;
-	wnmsleep_ie->status = WNM_STATUS_SLEEP_ACCEPT;
-	wnmsleep_ie->intval = host_to_le16(intval);
-	wpa_hexdump(MSG_DEBUG, "WNM: WNM-Sleep Mode element",
-		    (u8 *) wnmsleep_ie, wnmsleep_ie_len);
-
-	/* TFS IE(s) */
-	if (tfs_req) {
-		wnmtfs_ie_len = wpabuf_len(tfs_req);
-		wnmtfs_ie = os_malloc(wnmtfs_ie_len);
-		if (wnmtfs_ie == NULL) {
-			os_free(wnmsleep_ie);
-			return -1;
-		}
-		os_memcpy(wnmtfs_ie, wpabuf_head(tfs_req), wnmtfs_ie_len);
-	} else {
-		wnmtfs_ie = os_zalloc(MAX_TFS_IE_LEN);
-		if (wnmtfs_ie == NULL) {
-			os_free(wnmsleep_ie);
-			return -1;
-		}
-		if (ieee80211_11_get_tfs_ie(wpa_s, wnmtfs_ie, &wnmtfs_ie_len,
-					    tfs_oper)) {
-			wnmtfs_ie_len = 0;
-			os_free(wnmtfs_ie);
-			wnmtfs_ie = NULL;
-		}
-	}
-	wpa_hexdump(MSG_DEBUG, "WNM: TFS Request element",
-		    (u8 *) wnmtfs_ie, wnmtfs_ie_len);
-
-	mgmt = os_zalloc(sizeof(*mgmt) + wnmsleep_ie_len + wnmtfs_ie_len);
-	if (mgmt == NULL) {
-		wpa_printf(MSG_DEBUG, "MLME: Failed to allocate buffer for "
-			   "WNM-Sleep Request action frame");
-		os_free(wnmsleep_ie);
-		os_free(wnmtfs_ie);
-		return -1;
-	}
-
-	os_memcpy(mgmt->da, wpa_s->bssid, ETH_ALEN);
-	os_memcpy(mgmt->sa, wpa_s->own_addr, ETH_ALEN);
-	os_memcpy(mgmt->bssid, wpa_s->bssid, ETH_ALEN);
-	mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
-					   WLAN_FC_STYPE_ACTION);
-	mgmt->u.action.category = WLAN_ACTION_WNM;
-	mgmt->u.action.u.wnm_sleep_req.action = WNM_SLEEP_MODE_REQ;
-	mgmt->u.action.u.wnm_sleep_req.dialogtoken = 1;
-	os_memcpy(mgmt->u.action.u.wnm_sleep_req.variable, wnmsleep_ie,
-		  wnmsleep_ie_len);
-	/* copy TFS IE here */
-	if (wnmtfs_ie_len > 0) {
-		os_memcpy(mgmt->u.action.u.wnm_sleep_req.variable +
-			  wnmsleep_ie_len, wnmtfs_ie, wnmtfs_ie_len);
-	}
-
-	len = 1 + sizeof(mgmt->u.action.u.wnm_sleep_req) + wnmsleep_ie_len +
-		wnmtfs_ie_len;
-
-	res = wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0, wpa_s->bssid,
-				  wpa_s->own_addr, wpa_s->bssid,
-				  &mgmt->u.action.category, len, 0);
-	if (res < 0)
-		wpa_printf(MSG_DEBUG, "Failed to send WNM-Sleep Request "
-			   "(action=%d, intval=%d)", action, intval);
-	else
-		wpa_s->wnmsleep_used = 1;
-
-	os_free(wnmsleep_ie);
-	os_free(wnmtfs_ie);
-	os_free(mgmt);
-
-	return res;
-}
-
-
-static void wnm_sleep_mode_enter_success(struct wpa_supplicant *wpa_s,
-					 u8 *tfsresp_ie_start,
-					 u8 *tfsresp_ie_end)
-{
-	wpa_drv_wnm_oper(wpa_s, WNM_SLEEP_ENTER_CONFIRM,
-			 wpa_s->bssid, NULL, NULL);
-	/* remove GTK/IGTK ?? */
-
-	/* set the TFS Resp IE(s) */
-	if (tfsresp_ie_start && tfsresp_ie_end &&
-	    tfsresp_ie_end - tfsresp_ie_start >= 0) {
-		u16 tfsresp_ie_len;
-		tfsresp_ie_len = (tfsresp_ie_end + tfsresp_ie_end[1] + 2) -
-			tfsresp_ie_start;
-		wpa_printf(MSG_DEBUG, "TFS Resp IE(s) found");
-		/* pass the TFS Resp IE(s) to driver for processing */
-		if (ieee80211_11_set_tfs_ie(wpa_s, wpa_s->bssid,
-					    tfsresp_ie_start,
-					    &tfsresp_ie_len,
-					    WNM_SLEEP_TFS_RESP_IE_SET))
-			wpa_printf(MSG_DEBUG, "WNM: Fail to set TFS Resp IE");
-	}
-}
-
-
-static void wnm_sleep_mode_exit_success(struct wpa_supplicant *wpa_s,
-					const u8 *frm, u16 key_len_total)
-{
-	u8 *ptr, *end;
-	u8 gtk_len;
-
-	wpa_drv_wnm_oper(wpa_s, WNM_SLEEP_EXIT_CONFIRM,  wpa_s->bssid,
-			 NULL, NULL);
-
-	/* Install GTK/IGTK */
-
-	/* point to key data field */
-	ptr = (u8 *) frm + 1 + 2;
-	end = ptr + key_len_total;
-	wpa_hexdump_key(MSG_DEBUG, "WNM: Key Data", ptr, key_len_total);
-
-	if (key_len_total && !wpa_sm_pmf_enabled(wpa_s->wpa)) {
-		wpa_msg(wpa_s, MSG_INFO,
-			"WNM: Ignore Key Data in WNM-Sleep Mode Response - PMF not enabled");
-		return;
-	}
-
-	while (ptr + 1 < end) {
-		if (ptr + 2 + ptr[1] > end) {
-			wpa_printf(MSG_DEBUG, "WNM: Invalid Key Data element "
-				   "length");
-			if (end > ptr) {
-				wpa_hexdump(MSG_DEBUG, "WNM: Remaining data",
-					    ptr, end - ptr);
-			}
-			break;
-		}
-		if (*ptr == WNM_SLEEP_SUBELEM_GTK) {
-			if (ptr[1] < 11 + 5) {
-				wpa_printf(MSG_DEBUG, "WNM: Too short GTK "
-					   "subelem");
-				break;
-			}
-			gtk_len = *(ptr + 4);
-			if (ptr[1] < 11 + gtk_len ||
-			    gtk_len < 5 || gtk_len > 32) {
-				wpa_printf(MSG_DEBUG, "WNM: Invalid GTK "
-					   "subelem");
-				break;
-			}
-			wpa_wnmsleep_install_key(
-				wpa_s->wpa,
-				WNM_SLEEP_SUBELEM_GTK,
-				ptr);
-			ptr += 13 + gtk_len;
-#ifdef CONFIG_IEEE80211W
-		} else if (*ptr == WNM_SLEEP_SUBELEM_IGTK) {
-			if (ptr[1] < 2 + 6 + WPA_IGTK_LEN) {
-				wpa_printf(MSG_DEBUG, "WNM: Too short IGTK "
-					   "subelem");
-				break;
-			}
-			wpa_wnmsleep_install_key(wpa_s->wpa,
-						 WNM_SLEEP_SUBELEM_IGTK, ptr);
-			ptr += 10 + WPA_IGTK_LEN;
-#endif /* CONFIG_IEEE80211W */
-		} else
-			break; /* skip the loop */
-	}
-}
-
-
-static void ieee802_11_rx_wnmsleep_resp(struct wpa_supplicant *wpa_s,
-					const u8 *frm, int len)
-{
-	/*
-	 * Action [1] | Dialog Token [1] | Key Data Len [2] | Key Data |
-	 * WNM-Sleep Mode IE | TFS Response IE
-	 */
-	u8 *pos = (u8 *) frm; /* point to payload after the action field */
-	u16 key_len_total;
-	struct wnm_sleep_element *wnmsleep_ie = NULL;
-	/* multiple TFS Resp IE (assuming consecutive) */
-	u8 *tfsresp_ie_start = NULL;
-	u8 *tfsresp_ie_end = NULL;
-	size_t left;
-
-	if (!wpa_s->wnmsleep_used) {
-		wpa_printf(MSG_DEBUG,
-			   "WNM: Ignore WNM-Sleep Mode Response frame since WNM-Sleep Mode operation has not been requested");
-		return;
-	}
-
-	if (len < 3)
-		return;
-	key_len_total = WPA_GET_LE16(frm + 1);
-
-	wpa_printf(MSG_DEBUG, "WNM-Sleep Mode Response token=%u key_len_total=%d",
-		   frm[0], key_len_total);
-	left = len - 3;
-	if (key_len_total > left) {
-		wpa_printf(MSG_INFO, "WNM: Too short frame for Key Data field");
-		return;
-	}
-	pos += 3 + key_len_total;
-	while (pos - frm < len) {
-		u8 ie_len = *(pos + 1);
-		if (pos + 2 + ie_len > frm + len) {
-			wpa_printf(MSG_INFO, "WNM: Invalid IE len %u", ie_len);
-			break;
-		}
-		wpa_hexdump(MSG_DEBUG, "WNM: Element", pos, 2 + ie_len);
-		if (*pos == WLAN_EID_WNMSLEEP)
-			wnmsleep_ie = (struct wnm_sleep_element *) pos;
-		else if (*pos == WLAN_EID_TFS_RESP) {
-			if (!tfsresp_ie_start)
-				tfsresp_ie_start = pos;
-			tfsresp_ie_end = pos;
-		} else
-			wpa_printf(MSG_DEBUG, "EID %d not recognized", *pos);
-		pos += ie_len + 2;
-	}
-
-	if (!wnmsleep_ie) {
-		wpa_printf(MSG_DEBUG, "No WNM-Sleep IE found");
-		return;
-	}
-
-	wpa_s->wnmsleep_used = 0;
-
-	if (wnmsleep_ie->status == WNM_STATUS_SLEEP_ACCEPT ||
-	    wnmsleep_ie->status == WNM_STATUS_SLEEP_EXIT_ACCEPT_GTK_UPDATE) {
-		wpa_printf(MSG_DEBUG, "Successfully recv WNM-Sleep Response "
-			   "frame (action=%d, intval=%d)",
-			   wnmsleep_ie->action_type, wnmsleep_ie->intval);
-		if (wnmsleep_ie->action_type == WNM_SLEEP_MODE_ENTER) {
-			wnm_sleep_mode_enter_success(wpa_s, tfsresp_ie_start,
-						     tfsresp_ie_end);
-		} else if (wnmsleep_ie->action_type == WNM_SLEEP_MODE_EXIT) {
-			wnm_sleep_mode_exit_success(wpa_s, frm, key_len_total);
-		}
-	} else {
-		wpa_printf(MSG_DEBUG, "Reject recv WNM-Sleep Response frame "
-			   "(action=%d, intval=%d)",
-			   wnmsleep_ie->action_type, wnmsleep_ie->intval);
-		if (wnmsleep_ie->action_type == WNM_SLEEP_MODE_ENTER)
-			wpa_drv_wnm_oper(wpa_s, WNM_SLEEP_ENTER_FAIL,
-					 wpa_s->bssid, NULL, NULL);
-		else if (wnmsleep_ie->action_type == WNM_SLEEP_MODE_EXIT)
-			wpa_drv_wnm_oper(wpa_s, WNM_SLEEP_EXIT_FAIL,
-					 wpa_s->bssid, NULL, NULL);
-	}
-}
-
-
-void wnm_deallocate_memory(struct wpa_supplicant *wpa_s)
-{
-	int i;
-
-	for (i = 0; i < wpa_s->wnm_num_neighbor_report; i++) {
-		os_free(wpa_s->wnm_neighbor_report_elements[i].meas_pilot);
-		os_free(wpa_s->wnm_neighbor_report_elements[i].mul_bssid);
-	}
-
-	wpa_s->wnm_num_neighbor_report = 0;
-	os_free(wpa_s->wnm_neighbor_report_elements);
-	wpa_s->wnm_neighbor_report_elements = NULL;
-}
-
-
-static void wnm_parse_neighbor_report_elem(struct neighbor_report *rep,
-					   u8 id, u8 elen, const u8 *pos)
-{
-	switch (id) {
-	case WNM_NEIGHBOR_TSF:
-		if (elen < 2 + 2) {
-			wpa_printf(MSG_DEBUG, "WNM: Too short TSF");
-			break;
-		}
-		rep->tsf_offset = WPA_GET_LE16(pos);
-		rep->beacon_int = WPA_GET_LE16(pos + 2);
-		rep->tsf_present = 1;
-		break;
-	case WNM_NEIGHBOR_CONDENSED_COUNTRY_STRING:
-		if (elen < 2) {
-			wpa_printf(MSG_DEBUG, "WNM: Too short condensed "
-				   "country string");
-			break;
-		}
-		os_memcpy(rep->country, pos, 2);
-		rep->country_present = 1;
-		break;
-	case WNM_NEIGHBOR_BSS_TRANSITION_CANDIDATE:
-		if (elen < 1) {
-			wpa_printf(MSG_DEBUG, "WNM: Too short BSS transition "
-				   "candidate");
-			break;
-		}
-		rep->preference = pos[0];
-		rep->preference_present = 1;
-		break;
-	case WNM_NEIGHBOR_BSS_TERMINATION_DURATION:
-		rep->bss_term_tsf = WPA_GET_LE64(pos);
-		rep->bss_term_dur = WPA_GET_LE16(pos + 8);
-		rep->bss_term_present = 1;
-		break;
-	case WNM_NEIGHBOR_BEARING:
-		if (elen < 8) {
-			wpa_printf(MSG_DEBUG, "WNM: Too short neighbor "
-				   "bearing");
-			break;
-		}
-		rep->bearing = WPA_GET_LE16(pos);
-		rep->distance = WPA_GET_LE32(pos + 2);
-		rep->rel_height = WPA_GET_LE16(pos + 2 + 4);
-		rep->bearing_present = 1;
-		break;
-	case WNM_NEIGHBOR_MEASUREMENT_PILOT:
-		if (elen < 1) {
-			wpa_printf(MSG_DEBUG, "WNM: Too short measurement "
-				   "pilot");
-			break;
-		}
-		os_free(rep->meas_pilot);
-		rep->meas_pilot = os_zalloc(sizeof(struct measurement_pilot));
-		if (rep->meas_pilot == NULL)
-			break;
-		rep->meas_pilot->measurement_pilot = pos[0];
-		rep->meas_pilot->subelem_len = elen - 1;
-		os_memcpy(rep->meas_pilot->subelems, pos + 1, elen - 1);
-		break;
-	case WNM_NEIGHBOR_RRM_ENABLED_CAPABILITIES:
-		if (elen < 5) {
-			wpa_printf(MSG_DEBUG, "WNM: Too short RRM enabled "
-				   "capabilities");
-			break;
-		}
-		os_memcpy(rep->rm_capab, pos, 5);
-		rep->rm_capab_present = 1;
-		break;
-	case WNM_NEIGHBOR_MULTIPLE_BSSID:
-		if (elen < 1) {
-			wpa_printf(MSG_DEBUG, "WNM: Too short multiple BSSID");
-			break;
-		}
-		os_free(rep->mul_bssid);
-		rep->mul_bssid = os_zalloc(sizeof(struct multiple_bssid));
-		if (rep->mul_bssid == NULL)
-			break;
-		rep->mul_bssid->max_bssid_indicator = pos[0];
-		rep->mul_bssid->subelem_len = elen - 1;
-		os_memcpy(rep->mul_bssid->subelems, pos + 1, elen - 1);
-		break;
-	}
-}
-
-
-static int wnm_nei_get_chan(struct wpa_supplicant *wpa_s, u8 op_class, u8 chan)
-{
-	struct wpa_bss *bss = wpa_s->current_bss;
-	const char *country = NULL;
-
-	if (bss) {
-		const u8 *elem = wpa_bss_get_ie(bss, WLAN_EID_COUNTRY);
-
-		if (elem && elem[1] >= 2)
-			country = (const char *) (elem + 2);
-	}
-
-	return ieee80211_chan_to_freq(country, op_class, chan);
-}
-
-
-static void wnm_parse_neighbor_report(struct wpa_supplicant *wpa_s,
-				      const u8 *pos, u8 len,
-				      struct neighbor_report *rep)
-{
-	u8 left = len;
-
-	if (left < 13) {
-		wpa_printf(MSG_DEBUG, "WNM: Too short neighbor report");
-		return;
-	}
-
-	os_memcpy(rep->bssid, pos, ETH_ALEN);
-	rep->bssid_info = WPA_GET_LE32(pos + ETH_ALEN);
-	rep->regulatory_class = *(pos + 10);
-	rep->channel_number = *(pos + 11);
-	rep->phy_type = *(pos + 12);
-
-	pos += 13;
-	left -= 13;
-
-	while (left >= 2) {
-		u8 id, elen;
-
-		id = *pos++;
-		elen = *pos++;
-		wpa_printf(MSG_DEBUG, "WNM: Subelement id=%u len=%u", id, elen);
-		left -= 2;
-		if (elen > left) {
-			wpa_printf(MSG_DEBUG,
-				   "WNM: Truncated neighbor report subelement");
-			break;
-		}
-		wnm_parse_neighbor_report_elem(rep, id, elen, pos);
-		left -= elen;
-		pos += elen;
-	}
-
-	rep->freq = wnm_nei_get_chan(wpa_s, rep->regulatory_class,
-				     rep->channel_number);
-}
-
-
-static struct wpa_bss *
-compare_scan_neighbor_results(struct wpa_supplicant *wpa_s)
-{
-
-	u8 i;
-	struct wpa_bss *bss = wpa_s->current_bss;
-	struct wpa_bss *target;
-
-	if (!bss)
-		return 0;
-
-	wpa_printf(MSG_DEBUG, "WNM: Current BSS " MACSTR " RSSI %d",
-		   MAC2STR(wpa_s->bssid), bss->level);
-
-	for (i = 0; i < wpa_s->wnm_num_neighbor_report; i++) {
-		struct neighbor_report *nei;
-
-		nei = &wpa_s->wnm_neighbor_report_elements[i];
-		if (nei->preference_present && nei->preference == 0) {
-			wpa_printf(MSG_DEBUG, "Skip excluded BSS " MACSTR,
-				   MAC2STR(nei->bssid));
-			continue;
-		}
-
-		target = wpa_bss_get_bssid(wpa_s, nei->bssid);
-		if (!target) {
-			wpa_printf(MSG_DEBUG, "Candidate BSS " MACSTR
-				   " (pref %d) not found in scan results",
-				   MAC2STR(nei->bssid),
-				   nei->preference_present ? nei->preference :
-				   -1);
-			continue;
-		}
-
-		if (bss->ssid_len != target->ssid_len ||
-		    os_memcmp(bss->ssid, target->ssid, bss->ssid_len) != 0) {
-			/*
-			 * TODO: Could consider allowing transition to another
-			 * ESS if PMF was enabled for the association.
-			 */
-			wpa_printf(MSG_DEBUG, "Candidate BSS " MACSTR
-				   " (pref %d) in different ESS",
-				   MAC2STR(nei->bssid),
-				   nei->preference_present ? nei->preference :
-				   -1);
-			continue;
-		}
-
-		if (target->level < bss->level && target->level < -80) {
-			wpa_printf(MSG_DEBUG, "Candidate BSS " MACSTR
-				   " (pref %d) does not have sufficient signal level (%d)",
-				   MAC2STR(nei->bssid),
-				   nei->preference_present ? nei->preference :
-				   -1,
-				   target->level);
-			continue;
-		}
-
-		wpa_printf(MSG_DEBUG,
-			   "WNM: Found an acceptable preferred transition candidate BSS "
-			   MACSTR " (RSSI %d)",
-			   MAC2STR(nei->bssid), target->level);
-		return target;
-	}
-
-	return NULL;
-}
-
-
-static void wnm_send_bss_transition_mgmt_resp(
-	struct wpa_supplicant *wpa_s, u8 dialog_token,
-	enum bss_trans_mgmt_status_code status, u8 delay,
-	const u8 *target_bssid)
-{
-	u8 buf[1000], *pos;
-	struct ieee80211_mgmt *mgmt;
-	size_t len;
-	int res;
-
-	wpa_printf(MSG_DEBUG, "WNM: Send BSS Transition Management Response "
-		   "to " MACSTR " dialog_token=%u status=%u delay=%d",
-		   MAC2STR(wpa_s->bssid), dialog_token, status, delay);
-	if (!wpa_s->current_bss) {
-		wpa_printf(MSG_DEBUG,
-			   "WNM: Current BSS not known - drop response");
-		return;
-	}
-
-	mgmt = (struct ieee80211_mgmt *) buf;
-	os_memset(&buf, 0, sizeof(buf));
-	os_memcpy(mgmt->da, wpa_s->bssid, ETH_ALEN);
-	os_memcpy(mgmt->sa, wpa_s->own_addr, ETH_ALEN);
-	os_memcpy(mgmt->bssid, wpa_s->bssid, ETH_ALEN);
-	mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
-					   WLAN_FC_STYPE_ACTION);
-	mgmt->u.action.category = WLAN_ACTION_WNM;
-	mgmt->u.action.u.bss_tm_resp.action = WNM_BSS_TRANS_MGMT_RESP;
-	mgmt->u.action.u.bss_tm_resp.dialog_token = dialog_token;
-	mgmt->u.action.u.bss_tm_resp.status_code = status;
-	mgmt->u.action.u.bss_tm_resp.bss_termination_delay = delay;
-	pos = mgmt->u.action.u.bss_tm_resp.variable;
-	if (target_bssid) {
-		os_memcpy(pos, target_bssid, ETH_ALEN);
-		pos += ETH_ALEN;
-	} else if (status == WNM_BSS_TM_ACCEPT) {
-		/*
-		 * P802.11-REVmc clarifies that the Target BSSID field is always
-		 * present when status code is zero, so use a fake value here if
-		 * no BSSID is yet known.
-		 */
-		os_memset(pos, 0, ETH_ALEN);
-		pos += ETH_ALEN;
-	}
-
-	len = pos - (u8 *) &mgmt->u.action.category;
-
-	res = wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0, wpa_s->bssid,
-				  wpa_s->own_addr, wpa_s->bssid,
-				  &mgmt->u.action.category, len, 0);
-	if (res < 0) {
-		wpa_printf(MSG_DEBUG,
-			   "WNM: Failed to send BSS Transition Management Response");
-	}
-}
-
-
-int wnm_scan_process(struct wpa_supplicant *wpa_s, int reply_on_fail)
-{
-	struct wpa_bss *bss;
-	struct wpa_ssid *ssid = wpa_s->current_ssid;
-	enum bss_trans_mgmt_status_code status = WNM_BSS_TM_REJECT_UNSPECIFIED;
-
-	if (!wpa_s->wnm_neighbor_report_elements)
-		return 0;
-
-	if (os_reltime_before(&wpa_s->wnm_cand_valid_until,
-			      &wpa_s->scan_trigger_time)) {
-		wpa_printf(MSG_DEBUG, "WNM: Previously stored BSS transition candidate list is not valid anymore - drop it");
-		wnm_deallocate_memory(wpa_s);
-		return 0;
-	}
-
-	if (!wpa_s->current_bss ||
-	    os_memcmp(wpa_s->wnm_cand_from_bss, wpa_s->current_bss->bssid,
-		      ETH_ALEN) != 0) {
-		wpa_printf(MSG_DEBUG, "WNM: Stored BSS transition candidate list not from the current BSS - ignore it");
-		return 0;
-	}
-
-	/* Compare the Neighbor Report and scan results */
-	bss = compare_scan_neighbor_results(wpa_s);
-	if (!bss) {
-		wpa_printf(MSG_DEBUG, "WNM: No BSS transition candidate match found");
-		status = WNM_BSS_TM_REJECT_NO_SUITABLE_CANDIDATES;
-		goto send_bss_resp_fail;
-	}
-
-	/* Associate to the network */
-	/* Send the BSS Management Response - Accept */
-	if (wpa_s->wnm_reply) {
-		wpa_s->wnm_reply = 0;
-		wnm_send_bss_transition_mgmt_resp(wpa_s,
-						  wpa_s->wnm_dialog_token,
-						  WNM_BSS_TM_ACCEPT,
-						  0, bss->bssid);
-	}
-
-	if (bss == wpa_s->current_bss) {
-		wpa_printf(MSG_DEBUG,
-			   "WNM: Already associated with the preferred candidate");
-		return 1;
-	}
-
-	wpa_s->reassociate = 1;
-	wpa_supplicant_connect(wpa_s, bss, ssid);
-	wnm_deallocate_memory(wpa_s);
-	return 1;
-
-send_bss_resp_fail:
-	if (!reply_on_fail)
-		return 0;
-
-	/* Send reject response for all the failures */
-
-	if (wpa_s->wnm_reply) {
-		wpa_s->wnm_reply = 0;
-		wnm_send_bss_transition_mgmt_resp(wpa_s,
-						  wpa_s->wnm_dialog_token,
-						  status, 0, NULL);
-	}
-	wnm_deallocate_memory(wpa_s);
-
-	return 0;
-}
-
-
-static int cand_pref_compar(const void *a, const void *b)
-{
-	const struct neighbor_report *aa = a;
-	const struct neighbor_report *bb = b;
-
-	if (!aa->preference_present && !bb->preference_present)
-		return 0;
-	if (!aa->preference_present)
-		return 1;
-	if (!bb->preference_present)
-		return -1;
-	if (bb->preference > aa->preference)
-		return 1;
-	if (bb->preference < aa->preference)
-		return -1;
-	return 0;
-}
-
-
-static void wnm_sort_cand_list(struct wpa_supplicant *wpa_s)
-{
-	if (!wpa_s->wnm_neighbor_report_elements)
-		return;
-	qsort(wpa_s->wnm_neighbor_report_elements,
-	      wpa_s->wnm_num_neighbor_report, sizeof(struct neighbor_report),
-	      cand_pref_compar);
-}
-
-
-static void wnm_dump_cand_list(struct wpa_supplicant *wpa_s)
-{
-	unsigned int i;
-
-	wpa_printf(MSG_DEBUG, "WNM: BSS Transition Candidate List");
-	if (!wpa_s->wnm_neighbor_report_elements)
-		return;
-	for (i = 0; i < wpa_s->wnm_num_neighbor_report; i++) {
-		struct neighbor_report *nei;
-
-		nei = &wpa_s->wnm_neighbor_report_elements[i];
-		wpa_printf(MSG_DEBUG, "%u: " MACSTR
-			   " info=0x%x op_class=%u chan=%u phy=%u pref=%d freq=%d",
-			   i, MAC2STR(nei->bssid), nei->bssid_info,
-			   nei->regulatory_class,
-			   nei->channel_number, nei->phy_type,
-			   nei->preference_present ? nei->preference : -1,
-			   nei->freq);
-	}
-}
-
-
-static int chan_supported(struct wpa_supplicant *wpa_s, int freq)
-{
-	unsigned int i;
-
-	for (i = 0; i < wpa_s->hw.num_modes; i++) {
-		struct hostapd_hw_modes *mode = &wpa_s->hw.modes[i];
-		int j;
-
-		for (j = 0; j < mode->num_channels; j++) {
-			struct hostapd_channel_data *chan;
-
-			chan = &mode->channels[j];
-			if (chan->freq == freq &&
-			    !(chan->flag & HOSTAPD_CHAN_DISABLED))
-				return 1;
-		}
-	}
-
-	return 0;
-}
-
-
-static void wnm_set_scan_freqs(struct wpa_supplicant *wpa_s)
-{
-	int *freqs;
-	int num_freqs = 0;
-	unsigned int i;
-
-	if (!wpa_s->wnm_neighbor_report_elements)
-		return;
-
-	if (wpa_s->hw.modes == NULL)
-		return;
-
-	os_free(wpa_s->next_scan_freqs);
-	wpa_s->next_scan_freqs = NULL;
-
-	freqs = os_calloc(wpa_s->wnm_num_neighbor_report + 1, sizeof(int));
-	if (freqs == NULL)
-		return;
-
-	for (i = 0; i < wpa_s->wnm_num_neighbor_report; i++) {
-		struct neighbor_report *nei;
-
-		nei = &wpa_s->wnm_neighbor_report_elements[i];
-		if (nei->freq <= 0) {
-			wpa_printf(MSG_DEBUG,
-				   "WNM: Unknown neighbor operating frequency for "
-				   MACSTR " - scan all channels",
-				   MAC2STR(nei->bssid));
-			os_free(freqs);
-			return;
-		}
-		if (chan_supported(wpa_s, nei->freq))
-			add_freq(freqs, &num_freqs, nei->freq);
-	}
-
-	if (num_freqs == 0) {
-		os_free(freqs);
-		return;
-	}
-
-	wpa_printf(MSG_DEBUG,
-		   "WNM: Scan %d frequencies based on transition candidate list",
-		   num_freqs);
-	wpa_s->next_scan_freqs = freqs;
-}
-
-
-static void ieee802_11_rx_bss_trans_mgmt_req(struct wpa_supplicant *wpa_s,
-					     const u8 *pos, const u8 *end,
-					     int reply)
-{
-	unsigned int beacon_int;
-	u8 valid_int;
-
-	if (pos + 5 > end)
-		return;
-
-	if (wpa_s->current_bss)
-		beacon_int = wpa_s->current_bss->beacon_int;
-	else
-		beacon_int = 100; /* best guess */
-
-	wpa_s->wnm_dialog_token = pos[0];
-	wpa_s->wnm_mode = pos[1];
-	wpa_s->wnm_dissoc_timer = WPA_GET_LE16(pos + 2);
-	valid_int = pos[4];
-	wpa_s->wnm_reply = reply;
-
-	wpa_printf(MSG_DEBUG, "WNM: BSS Transition Management Request: "
-		   "dialog_token=%u request_mode=0x%x "
-		   "disassoc_timer=%u validity_interval=%u",
-		   wpa_s->wnm_dialog_token, wpa_s->wnm_mode,
-		   wpa_s->wnm_dissoc_timer, valid_int);
-
-	pos += 5;
-
-	if (wpa_s->wnm_mode & WNM_BSS_TM_REQ_BSS_TERMINATION_INCLUDED) {
-		if (pos + 12 > end) {
-			wpa_printf(MSG_DEBUG, "WNM: Too short BSS TM Request");
-			return;
-		}
-		os_memcpy(wpa_s->wnm_bss_termination_duration, pos, 12);
-		pos += 12; /* BSS Termination Duration */
-	}
-
-	if (wpa_s->wnm_mode & WNM_BSS_TM_REQ_ESS_DISASSOC_IMMINENT) {
-		char url[256];
-
-		if (pos + 1 > end || pos + 1 + pos[0] > end) {
-			wpa_printf(MSG_DEBUG, "WNM: Invalid BSS Transition "
-				   "Management Request (URL)");
-			return;
-		}
-		os_memcpy(url, pos + 1, pos[0]);
-		url[pos[0]] = '\0';
-		pos += 1 + pos[0];
-
-		wpa_msg(wpa_s, MSG_INFO, ESS_DISASSOC_IMMINENT "%d %u %s",
-			wpa_sm_pmf_enabled(wpa_s->wpa),
-			wpa_s->wnm_dissoc_timer * beacon_int * 128 / 125, url);
-	}
-
-	if (wpa_s->wnm_mode & WNM_BSS_TM_REQ_DISASSOC_IMMINENT) {
-		wpa_msg(wpa_s, MSG_INFO, "WNM: Disassociation Imminent - "
-			"Disassociation Timer %u", wpa_s->wnm_dissoc_timer);
-		if (wpa_s->wnm_dissoc_timer && !wpa_s->scanning) {
-			/* TODO: mark current BSS less preferred for
-			 * selection */
-			wpa_printf(MSG_DEBUG, "Trying to find another BSS");
-			wpa_supplicant_req_scan(wpa_s, 0, 0);
-		}
-	}
-
-	if (wpa_s->wnm_mode & WNM_BSS_TM_REQ_PREF_CAND_LIST_INCLUDED) {
-		unsigned int valid_ms;
-
-		wpa_msg(wpa_s, MSG_INFO, "WNM: Preferred List Available");
-		wnm_deallocate_memory(wpa_s);
-		wpa_s->wnm_neighbor_report_elements = os_calloc(
-			WNM_MAX_NEIGHBOR_REPORT,
-			sizeof(struct neighbor_report));
-		if (wpa_s->wnm_neighbor_report_elements == NULL)
-			return;
-
-		while (pos + 2 <= end &&
-		       wpa_s->wnm_num_neighbor_report < WNM_MAX_NEIGHBOR_REPORT)
-		{
-			u8 tag = *pos++;
-			u8 len = *pos++;
-
-			wpa_printf(MSG_DEBUG, "WNM: Neighbor report tag %u",
-				   tag);
-			if (pos + len > end) {
-				wpa_printf(MSG_DEBUG, "WNM: Truncated request");
-				return;
-			}
-			if (tag == WLAN_EID_NEIGHBOR_REPORT) {
-				struct neighbor_report *rep;
-				rep = &wpa_s->wnm_neighbor_report_elements[
-					wpa_s->wnm_num_neighbor_report];
-				wnm_parse_neighbor_report(wpa_s, pos, len, rep);
-			}
-
-			pos += len;
-			wpa_s->wnm_num_neighbor_report++;
-		}
-		wnm_sort_cand_list(wpa_s);
-		wnm_dump_cand_list(wpa_s);
-		valid_ms = valid_int * beacon_int * 128 / 125;
-		wpa_printf(MSG_DEBUG, "WNM: Candidate list valid for %u ms",
-			   valid_ms);
-		os_get_reltime(&wpa_s->wnm_cand_valid_until);
-		wpa_s->wnm_cand_valid_until.sec += valid_ms / 1000;
-		wpa_s->wnm_cand_valid_until.usec += (valid_ms % 1000) * 1000;
-		wpa_s->wnm_cand_valid_until.sec +=
-			wpa_s->wnm_cand_valid_until.usec / 1000000;
-		wpa_s->wnm_cand_valid_until.usec %= 1000000;
-		os_memcpy(wpa_s->wnm_cand_from_bss, wpa_s->bssid, ETH_ALEN);
-
-		if (wpa_s->last_scan_res_used > 0) {
-			struct os_reltime now;
-
-			os_get_reltime(&now);
-			if (!os_reltime_expired(&now, &wpa_s->last_scan, 10)) {
-				wpa_printf(MSG_DEBUG,
-					   "WNM: Try to use recent scan results");
-				if (wnm_scan_process(wpa_s, 0) > 0)
-					return;
-				wpa_printf(MSG_DEBUG,
-					   "WNM: No match in previous scan results - try a new scan");
-			}
-		}
-
-		wnm_set_scan_freqs(wpa_s);
-		wpa_supplicant_req_scan(wpa_s, 0, 0);
-	} else if (reply) {
-		enum bss_trans_mgmt_status_code status;
-		if (wpa_s->wnm_mode & WNM_BSS_TM_REQ_ESS_DISASSOC_IMMINENT)
-			status = WNM_BSS_TM_ACCEPT;
-		else {
-			wpa_msg(wpa_s, MSG_INFO, "WNM: BSS Transition Management Request did not include candidates");
-			status = WNM_BSS_TM_REJECT_UNSPECIFIED;
-		}
-		wnm_send_bss_transition_mgmt_resp(wpa_s,
-						  wpa_s->wnm_dialog_token,
-						  status, 0, NULL);
-	}
-}
-
-
-int wnm_send_bss_transition_mgmt_query(struct wpa_supplicant *wpa_s,
-				       u8 query_reason)
-{
-	u8 buf[1000], *pos;
-	struct ieee80211_mgmt *mgmt;
-	size_t len;
-	int ret;
-
-	wpa_printf(MSG_DEBUG, "WNM: Send BSS Transition Management Query to "
-		   MACSTR " query_reason=%u",
-		   MAC2STR(wpa_s->bssid), query_reason);
-
-	mgmt = (struct ieee80211_mgmt *) buf;
-	os_memset(&buf, 0, sizeof(buf));
-	os_memcpy(mgmt->da, wpa_s->bssid, ETH_ALEN);
-	os_memcpy(mgmt->sa, wpa_s->own_addr, ETH_ALEN);
-	os_memcpy(mgmt->bssid, wpa_s->bssid, ETH_ALEN);
-	mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
-					   WLAN_FC_STYPE_ACTION);
-	mgmt->u.action.category = WLAN_ACTION_WNM;
-	mgmt->u.action.u.bss_tm_query.action = WNM_BSS_TRANS_MGMT_QUERY;
-	mgmt->u.action.u.bss_tm_query.dialog_token = 1;
-	mgmt->u.action.u.bss_tm_query.query_reason = query_reason;
-	pos = mgmt->u.action.u.bss_tm_query.variable;
-
-	len = pos - (u8 *) &mgmt->u.action.category;
-
-	ret = wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0, wpa_s->bssid,
-				  wpa_s->own_addr, wpa_s->bssid,
-				  &mgmt->u.action.category, len, 0);
-
-	return ret;
-}
-
-
-static void ieee802_11_rx_wnm_notif_req_wfa(struct wpa_supplicant *wpa_s,
-					    const u8 *sa, const u8 *data,
-					    int len)
-{
-	const u8 *pos, *end, *next;
-	u8 ie, ie_len;
-
-	pos = data;
-	end = data + len;
-
-	while (pos + 1 < end) {
-		ie = *pos++;
-		ie_len = *pos++;
-		wpa_printf(MSG_DEBUG, "WNM: WFA subelement %u len %u",
-			   ie, ie_len);
-		if (ie_len > end - pos) {
-			wpa_printf(MSG_DEBUG, "WNM: Not enough room for "
-				   "subelement");
-			break;
-		}
-		next = pos + ie_len;
-		if (ie_len < 4) {
-			pos = next;
-			continue;
-		}
-		wpa_printf(MSG_DEBUG, "WNM: Subelement OUI %06x type %u",
-			   WPA_GET_BE24(pos), pos[3]);
-
-#ifdef CONFIG_HS20
-		if (ie == WLAN_EID_VENDOR_SPECIFIC && ie_len >= 5 &&
-		    WPA_GET_BE24(pos) == OUI_WFA &&
-		    pos[3] == HS20_WNM_SUB_REM_NEEDED) {
-			/* Subscription Remediation subelement */
-			const u8 *ie_end;
-			u8 url_len;
-			char *url;
-			u8 osu_method;
-
-			wpa_printf(MSG_DEBUG, "WNM: Subscription Remediation "
-				   "subelement");
-			ie_end = pos + ie_len;
-			pos += 4;
-			url_len = *pos++;
-			if (url_len == 0) {
-				wpa_printf(MSG_DEBUG, "WNM: No Server URL included");
-				url = NULL;
-				osu_method = 1;
-			} else {
-				if (pos + url_len + 1 > ie_end) {
-					wpa_printf(MSG_DEBUG, "WNM: Not enough room for Server URL (len=%u) and Server Method (left %d)",
-						   url_len,
-						   (int) (ie_end - pos));
-					break;
-				}
-				url = os_malloc(url_len + 1);
-				if (url == NULL)
-					break;
-				os_memcpy(url, pos, url_len);
-				url[url_len] = '\0';
-				osu_method = pos[url_len];
-			}
-			hs20_rx_subscription_remediation(wpa_s, url,
-							 osu_method);
-			os_free(url);
-			pos = next;
-			continue;
-		}
-
-		if (ie == WLAN_EID_VENDOR_SPECIFIC && ie_len >= 8 &&
-		    WPA_GET_BE24(pos) == OUI_WFA &&
-		    pos[3] == HS20_WNM_DEAUTH_IMMINENT_NOTICE) {
-			const u8 *ie_end;
-			u8 url_len;
-			char *url;
-			u8 code;
-			u16 reauth_delay;
-
-			ie_end = pos + ie_len;
-			pos += 4;
-			code = *pos++;
-			reauth_delay = WPA_GET_LE16(pos);
-			pos += 2;
-			url_len = *pos++;
-			wpa_printf(MSG_DEBUG, "WNM: HS 2.0 Deauthentication "
-				   "Imminent - Reason Code %u   "
-				   "Re-Auth Delay %u  URL Length %u",
-				   code, reauth_delay, url_len);
-			if (pos + url_len > ie_end)
-				break;
-			url = os_malloc(url_len + 1);
-			if (url == NULL)
-				break;
-			os_memcpy(url, pos, url_len);
-			url[url_len] = '\0';
-			hs20_rx_deauth_imminent_notice(wpa_s, code,
-						       reauth_delay, url);
-			os_free(url);
-			pos = next;
-			continue;
-		}
-#endif /* CONFIG_HS20 */
-
-		pos = next;
-	}
-}
-
-
-static void ieee802_11_rx_wnm_notif_req(struct wpa_supplicant *wpa_s,
-					const u8 *sa, const u8 *frm, int len)
-{
-	const u8 *pos, *end;
-	u8 dialog_token, type;
-
-	/* Dialog Token [1] | Type [1] | Subelements */
-
-	if (len < 2 || sa == NULL)
-		return;
-	end = frm + len;
-	pos = frm;
-	dialog_token = *pos++;
-	type = *pos++;
-
-	wpa_dbg(wpa_s, MSG_DEBUG, "WNM: Received WNM-Notification Request "
-		"(dialog_token %u type %u sa " MACSTR ")",
-		dialog_token, type, MAC2STR(sa));
-	wpa_hexdump(MSG_DEBUG, "WNM-Notification Request subelements",
-		    pos, end - pos);
-
-	if (wpa_s->wpa_state != WPA_COMPLETED ||
-	    os_memcmp(sa, wpa_s->bssid, ETH_ALEN) != 0) {
-		wpa_dbg(wpa_s, MSG_DEBUG, "WNM: WNM-Notification frame not "
-			"from our AP - ignore it");
-		return;
-	}
-
-	switch (type) {
-	case 1:
-		ieee802_11_rx_wnm_notif_req_wfa(wpa_s, sa, pos, end - pos);
-		break;
-	default:
-		wpa_dbg(wpa_s, MSG_DEBUG, "WNM: Ignore unknown "
-			"WNM-Notification type %u", type);
-		break;
-	}
-}
-
-
-void ieee802_11_rx_wnm_action(struct wpa_supplicant *wpa_s,
-			      const struct ieee80211_mgmt *mgmt, size_t len)
-{
-	const u8 *pos, *end;
-	u8 act;
-
-	if (len < IEEE80211_HDRLEN + 2)
-		return;
-
-	pos = ((const u8 *) mgmt) + IEEE80211_HDRLEN + 1;
-	act = *pos++;
-	end = ((const u8 *) mgmt) + len;
-
-	wpa_printf(MSG_DEBUG, "WNM: RX action %u from " MACSTR,
-		   act, MAC2STR(mgmt->sa));
-	if (wpa_s->wpa_state < WPA_ASSOCIATED ||
-	    os_memcmp(mgmt->sa, wpa_s->bssid, ETH_ALEN) != 0) {
-		wpa_printf(MSG_DEBUG, "WNM: Ignore unexpected WNM Action "
-			   "frame");
-		return;
-	}
-
-	switch (act) {
-	case WNM_BSS_TRANS_MGMT_REQ:
-		ieee802_11_rx_bss_trans_mgmt_req(wpa_s, pos, end,
-						 !(mgmt->da[0] & 0x01));
-		break;
-	case WNM_SLEEP_MODE_RESP:
-		ieee802_11_rx_wnmsleep_resp(wpa_s, pos, end - pos);
-		break;
-	case WNM_NOTIFICATION_REQ:
-		ieee802_11_rx_wnm_notif_req(wpa_s, mgmt->sa, pos, end - pos);
-		break;
-	default:
-		wpa_printf(MSG_ERROR, "WNM: Unknown request");
-		break;
-	}
-}
-#endif /* __rtems__ && CONFIG_WNM */