hostap/src/rsn_supp/wpa_i.h - nest-learning-thermostat/5.1.7/hostap - Git at Google

 /*
  * Internal WPA/RSN supplicant state machine definitions
  * Copyright (c) 2004-2010, Jouni Malinen <j@w1.fi>
  *
  * This software may be distributed under the terms of the BSD license.
  * See README for more details.
  */

 #ifndef WPA_I_H
 #define WPA_I_H

 #include "utils/list.h"

 struct wpa_peerkey;
 struct wpa_tdls_peer;
 struct wpa_eapol_key;

 /**
  * struct wpa_sm - Internal WPA state machine data
  */
 struct wpa_sm {
 	u8 pmk[PMK_LEN];
 	size_t pmk_len;
 	struct wpa_ptk ptk, tptk;
 	int ptk_set, tptk_set;
 	u8 snonce[WPA_NONCE_LEN];
 	u8 anonce[WPA_NONCE_LEN]; /* ANonce from the last 1/4 msg */
 	int renew_snonce;
 	u8 rx_replay_counter[WPA_REPLAY_COUNTER_LEN];
 	int rx_replay_counter_set;
 	u8 request_counter[WPA_REPLAY_COUNTER_LEN];

 	struct eapol_sm *eapol; /* EAPOL state machine from upper level code */

 	struct rsn_pmksa_cache *pmksa; /* PMKSA cache */
 	struct rsn_pmksa_cache_entry *cur_pmksa; /* current PMKSA entry */
 	struct dl_list pmksa_candidates;

 	struct l2_packet_data *l2_preauth;
 	struct l2_packet_data *l2_preauth_br;
 	struct l2_packet_data *l2_tdls;
 	u8 preauth_bssid[ETH_ALEN]; /* current RSN pre-auth peer or
 				     * 00:00:00:00:00:00 if no pre-auth is
 				     * in progress */
 	struct eapol_sm *preauth_eapol;

 	struct wpa_sm_ctx *ctx;

 	void *scard_ctx; /* context for smartcard callbacks */
 	int fast_reauth; /* whether EAP fast re-authentication is enabled */

 	void *network_ctx;
 	int peerkey_enabled;
 	int allowed_pairwise_cipher; /* bitfield of WPA_CIPHER_* */
 	int proactive_key_caching;
 	int eap_workaround;
 	void *eap_conf_ctx;
 	u8 ssid[32];
 	size_t ssid_len;
 	int wpa_ptk_rekey;

 	u8 own_addr[ETH_ALEN];
 	const char *ifname;
 	const char *bridge_ifname;
 	u8 bssid[ETH_ALEN];

 	unsigned int dot11RSNAConfigPMKLifetime;
 	unsigned int dot11RSNAConfigPMKReauthThreshold;
 	unsigned int dot11RSNAConfigSATimeout;

 	unsigned int dot11RSNA4WayHandshakeFailures;

 	/* Selected configuration (based on Beacon/ProbeResp WPA IE) */
 	unsigned int proto;
 	unsigned int pairwise_cipher;
 	unsigned int group_cipher;
 	unsigned int key_mgmt;
 	unsigned int mgmt_group_cipher;

 	int rsn_enabled; /* Whether RSN is enabled in configuration */
 	int mfp; /* 0 = disabled, 1 = optional, 2 = mandatory */

 	u8 *assoc_wpa_ie; /* Own WPA/RSN IE from (Re)AssocReq */
 	size_t assoc_wpa_ie_len;
 	u8 *ap_wpa_ie, *ap_rsn_ie;
 	size_t ap_wpa_ie_len, ap_rsn_ie_len;

 #ifdef CONFIG_PEERKEY
 	struct wpa_peerkey *peerkey;
 #endif /* CONFIG_PEERKEY */
 #ifdef CONFIG_TDLS
 	struct wpa_tdls_peer *tdls;
 	int tdls_prohibited;
 	int tdls_disabled;

 	/* The driver supports TDLS */
 	int tdls_supported;

 	/*
 	 * The driver requires explicit discovery/setup/teardown frames sent
 	 * to it via tdls_mgmt.
 	 */
 	int tdls_external_setup;
 #endif /* CONFIG_TDLS */

 #ifdef CONFIG_IEEE80211R
 	u8 xxkey[PMK_LEN]; /* PSK or the second 256 bits of MSK */
 	size_t xxkey_len;
 	u8 pmk_r0[PMK_LEN];
 	u8 pmk_r0_name[WPA_PMK_NAME_LEN];
 	u8 pmk_r1[PMK_LEN];
 	u8 pmk_r1_name[WPA_PMK_NAME_LEN];
 	u8 mobility_domain[MOBILITY_DOMAIN_ID_LEN];
 	u8 r0kh_id[FT_R0KH_ID_MAX_LEN];
 	size_t r0kh_id_len;
 	u8 r1kh_id[FT_R1KH_ID_LEN];
 	int ft_completed;
 	int over_the_ds_in_progress;
 	u8 target_ap[ETH_ALEN]; /* over-the-DS target AP */
 	int set_ptk_after_assoc;
 	u8 mdie_ft_capab; /* FT Capability and Policy from target AP MDIE */
 	u8 *assoc_resp_ies; /* MDIE and FTIE from (Re)Association Response */
 	size_t assoc_resp_ies_len;
 #endif /* CONFIG_IEEE80211R */
 };


 static inline void wpa_sm_set_state(struct wpa_sm *sm, enum wpa_states state)
 {
 	WPA_ASSERT(sm->ctx->set_state);
 	sm->ctx->set_state(sm->ctx->ctx, state);
 }

 static inline enum wpa_states wpa_sm_get_state(struct wpa_sm *sm)
 {
 	WPA_ASSERT(sm->ctx->get_state);
 	return sm->ctx->get_state(sm->ctx->ctx);
 }

 static inline void wpa_sm_deauthenticate(struct wpa_sm *sm, int reason_code)
 {
 	WPA_ASSERT(sm->ctx->deauthenticate);
 	sm->ctx->deauthenticate(sm->ctx->ctx, reason_code);
 }

 static inline int wpa_sm_set_key(struct wpa_sm *sm, enum wpa_alg alg,
 				 const u8 *addr, int key_idx, int set_tx,
 				 const u8 *seq, size_t seq_len,
 				 const u8 *key, size_t key_len)
 {
 	WPA_ASSERT(sm->ctx->set_key);
 	return sm->ctx->set_key(sm->ctx->ctx, alg, addr, key_idx, set_tx,
 				seq, seq_len, key, key_len);
 }

 static inline void * wpa_sm_get_network_ctx(struct wpa_sm *sm)
 {
 	WPA_ASSERT(sm->ctx->get_network_ctx);
 	return sm->ctx->get_network_ctx(sm->ctx->ctx);
 }

 static inline int wpa_sm_get_bssid(struct wpa_sm *sm, u8 *bssid)
 {
 	WPA_ASSERT(sm->ctx->get_bssid);
 	return sm->ctx->get_bssid(sm->ctx->ctx, bssid);
 }

 static inline int wpa_sm_ether_send(struct wpa_sm *sm, const u8 *dest,
 				    u16 proto, const u8 *buf, size_t len)
 {
 	WPA_ASSERT(sm->ctx->ether_send);
 	return sm->ctx->ether_send(sm->ctx->ctx, dest, proto, buf, len);
 }

 static inline int wpa_sm_get_beacon_ie(struct wpa_sm *sm)
 {
 	WPA_ASSERT(sm->ctx->get_beacon_ie);
 	return sm->ctx->get_beacon_ie(sm->ctx->ctx);
 }

 static inline void wpa_sm_cancel_auth_timeout(struct wpa_sm *sm)
 {
 	WPA_ASSERT(sm->ctx->cancel_auth_timeout);
 	sm->ctx->cancel_auth_timeout(sm->ctx->ctx);
 }

 static inline u8 * wpa_sm_alloc_eapol(struct wpa_sm *sm, u8 type,
 				      const void *data, u16 data_len,
 				      size_t *msg_len, void **data_pos)
 {
 	WPA_ASSERT(sm->ctx->alloc_eapol);
 	return sm->ctx->alloc_eapol(sm->ctx->ctx, type, data, data_len,
 				    msg_len, data_pos);
 }

 static inline int wpa_sm_add_pmkid(struct wpa_sm *sm, const u8 *bssid,
 				   const u8 *pmkid)
 {
 	WPA_ASSERT(sm->ctx->add_pmkid);
 	return sm->ctx->add_pmkid(sm->ctx->ctx, bssid, pmkid);
 }

 static inline int wpa_sm_remove_pmkid(struct wpa_sm *sm, const u8 *bssid,
 				      const u8 *pmkid)
 {
 	WPA_ASSERT(sm->ctx->remove_pmkid);
 	return sm->ctx->remove_pmkid(sm->ctx->ctx, bssid, pmkid);
 }

 static inline int wpa_sm_mlme_setprotection(struct wpa_sm *sm, const u8 *addr,
 					    int protect_type, int key_type)
 {
 	WPA_ASSERT(sm->ctx->mlme_setprotection);
 	return sm->ctx->mlme_setprotection(sm->ctx->ctx, addr, protect_type,
 					   key_type);
 }

 static inline int wpa_sm_update_ft_ies(struct wpa_sm *sm, const u8 *md,
 				       const u8 *ies, size_t ies_len)
 {
 	if (sm->ctx->update_ft_ies)
 		return sm->ctx->update_ft_ies(sm->ctx->ctx, md, ies, ies_len);
 	return -1;
 }

 static inline int wpa_sm_send_ft_action(struct wpa_sm *sm, u8 action,
 					const u8 *target_ap,
 					const u8 *ies, size_t ies_len)
 {
 	if (sm->ctx->send_ft_action)
 		return sm->ctx->send_ft_action(sm->ctx->ctx, action, target_ap,
 					       ies, ies_len);
 	return -1;
 }

 static inline int wpa_sm_mark_authenticated(struct wpa_sm *sm,
 					    const u8 *target_ap)
 {
 	if (sm->ctx->mark_authenticated)
 		return sm->ctx->mark_authenticated(sm->ctx->ctx, target_ap);
 	return -1;
 }

 static inline void wpa_sm_set_rekey_offload(struct wpa_sm *sm)
 {
 	if (!sm->ctx->set_rekey_offload)
 		return;
 	sm->ctx->set_rekey_offload(sm->ctx->ctx, sm->ptk.kek,
 				   sm->ptk.kck, sm->rx_replay_counter);
 }

 #ifdef CONFIG_TDLS
 static inline int wpa_sm_tdls_get_capa(struct wpa_sm *sm,
 				       int *tdls_supported,
 				       int *tdls_ext_setup)
 {
 	if (sm->ctx->tdls_get_capa)
 		return sm->ctx->tdls_get_capa(sm->ctx->ctx, tdls_supported,
 					      tdls_ext_setup);
 	return -1;
 }

 static inline int wpa_sm_send_tdls_mgmt(struct wpa_sm *sm, const u8 *dst,
 					u8 action_code, u8 dialog_token,
 					u16 status_code, const u8 *buf,
 					size_t len)
 {
 	if (sm->ctx->send_tdls_mgmt)
 		return sm->ctx->send_tdls_mgmt(sm->ctx->ctx, dst, action_code,
 					       dialog_token, status_code,
 					       buf, len);
 	return -1;
 }

 static inline int wpa_sm_tdls_oper(struct wpa_sm *sm, int oper,
 				   const u8 *peer)
 {
 	if (sm->ctx->tdls_oper)
 		return sm->ctx->tdls_oper(sm->ctx->ctx, oper, peer);
 	return -1;
 }

 static inline int
 wpa_sm_tdls_peer_addset(struct wpa_sm *sm, const u8 *addr, int add,
 			u16 capability, const u8 *supp_rates,
 			size_t supp_rates_len)
 {
 	if (sm->ctx->tdls_peer_addset)
 		return sm->ctx->tdls_peer_addset(sm->ctx->ctx, addr, add,
 						 capability, supp_rates,
 						 supp_rates_len);
 	return -1;
 }
 #endif /* CONFIG_TDLS */

 void wpa_eapol_key_send(struct wpa_sm *sm, const u8 *kck,
 			int ver, const u8 *dest, u16 proto,
 			u8 *msg, size_t msg_len, u8 *key_mic);
 int wpa_supplicant_send_2_of_4(struct wpa_sm *sm, const unsigned char *dst,
 			       const struct wpa_eapol_key *key,
 			       int ver, const u8 *nonce,
 			       const u8 *wpa_ie, size_t wpa_ie_len,
 			       struct wpa_ptk *ptk);
 int wpa_supplicant_send_4_of_4(struct wpa_sm *sm, const unsigned char *dst,
 			       const struct wpa_eapol_key *key,
 			       u16 ver, u16 key_info,
 			       const u8 *kde, size_t kde_len,
 			       struct wpa_ptk *ptk);

 int wpa_derive_ptk_ft(struct wpa_sm *sm, const unsigned char *src_addr,
 		      const struct wpa_eapol_key *key,
 		      struct wpa_ptk *ptk, size_t ptk_len);

 void wpa_tdls_assoc(struct wpa_sm *sm);
 void wpa_tdls_disassoc(struct wpa_sm *sm);

 #endif /* WPA_I_H */
	/*
	* Internal WPA/RSN supplicant state machine definitions
	* Copyright (c) 2004-2010, Jouni Malinen <j@w1.fi>
	*
	* This software may be distributed under the terms of the BSD license.
	* See README for more details.
	*/

	#ifndef WPA_I_H
	#define WPA_I_H

	#include "utils/list.h"

	struct wpa_peerkey;
	struct wpa_tdls_peer;
	struct wpa_eapol_key;

	/**
	* struct wpa_sm - Internal WPA state machine data
	*/
	struct wpa_sm {
	u8 pmk[PMK_LEN];
	size_t pmk_len;
	struct wpa_ptk ptk, tptk;
	int ptk_set, tptk_set;
	u8 snonce[WPA_NONCE_LEN];
	u8 anonce[WPA_NONCE_LEN]; /* ANonce from the last 1/4 msg */
	int renew_snonce;
	u8 rx_replay_counter[WPA_REPLAY_COUNTER_LEN];
	int rx_replay_counter_set;
	u8 request_counter[WPA_REPLAY_COUNTER_LEN];

	struct eapol_sm eapol; / EAPOL state machine from upper level code */

	struct rsn_pmksa_cache pmksa; / PMKSA cache */
	struct rsn_pmksa_cache_entry cur_pmksa; / current PMKSA entry */
	struct dl_list pmksa_candidates;

	struct l2_packet_data *l2_preauth;
	struct l2_packet_data *l2_preauth_br;
	struct l2_packet_data *l2_tdls;
	u8 preauth_bssid[ETH_ALEN]; /* current RSN pre-auth peer or
	* 00:00:00:00:00:00 if no pre-auth is
	* in progress */
	struct eapol_sm *preauth_eapol;

	struct wpa_sm_ctx *ctx;

	void scard_ctx; / context for smartcard callbacks */
	int fast_reauth; /* whether EAP fast re-authentication is enabled */

	void *network_ctx;
	int peerkey_enabled;
	int allowed_pairwise_cipher; /* bitfield of WPA_CIPHER_* */
	int proactive_key_caching;
	int eap_workaround;
	void *eap_conf_ctx;
	u8 ssid[32];
	size_t ssid_len;
	int wpa_ptk_rekey;

	u8 own_addr[ETH_ALEN];
	const char *ifname;
	const char *bridge_ifname;
	u8 bssid[ETH_ALEN];

	unsigned int dot11RSNAConfigPMKLifetime;
	unsigned int dot11RSNAConfigPMKReauthThreshold;
	unsigned int dot11RSNAConfigSATimeout;

	unsigned int dot11RSNA4WayHandshakeFailures;

	/* Selected configuration (based on Beacon/ProbeResp WPA IE) */
	unsigned int proto;
	unsigned int pairwise_cipher;
	unsigned int group_cipher;
	unsigned int key_mgmt;
	unsigned int mgmt_group_cipher;

	int rsn_enabled; /* Whether RSN is enabled in configuration */
	int mfp; /* 0 = disabled, 1 = optional, 2 = mandatory */

	u8 assoc_wpa_ie; / Own WPA/RSN IE from (Re)AssocReq */
	size_t assoc_wpa_ie_len;
	u8 ap_wpa_ie, ap_rsn_ie;
	size_t ap_wpa_ie_len, ap_rsn_ie_len;

	#ifdef CONFIG_PEERKEY
	struct wpa_peerkey *peerkey;
	#endif /* CONFIG_PEERKEY */
	#ifdef CONFIG_TDLS
	struct wpa_tdls_peer *tdls;
	int tdls_prohibited;
	int tdls_disabled;

	/* The driver supports TDLS */
	int tdls_supported;

	/*
	* The driver requires explicit discovery/setup/teardown frames sent
	* to it via tdls_mgmt.
	*/
	int tdls_external_setup;
	#endif /* CONFIG_TDLS */

	#ifdef CONFIG_IEEE80211R
	u8 xxkey[PMK_LEN]; /* PSK or the second 256 bits of MSK */
	size_t xxkey_len;
	u8 pmk_r0[PMK_LEN];
	u8 pmk_r0_name[WPA_PMK_NAME_LEN];
	u8 pmk_r1[PMK_LEN];
	u8 pmk_r1_name[WPA_PMK_NAME_LEN];
	u8 mobility_domain[MOBILITY_DOMAIN_ID_LEN];
	u8 r0kh_id[FT_R0KH_ID_MAX_LEN];
	size_t r0kh_id_len;
	u8 r1kh_id[FT_R1KH_ID_LEN];
	int ft_completed;
	int over_the_ds_in_progress;
	u8 target_ap[ETH_ALEN]; /* over-the-DS target AP */
	int set_ptk_after_assoc;
	u8 mdie_ft_capab; /* FT Capability and Policy from target AP MDIE */
	u8 assoc_resp_ies; / MDIE and FTIE from (Re)Association Response */
	size_t assoc_resp_ies_len;
	#endif /* CONFIG_IEEE80211R */
	};


	static inline void wpa_sm_set_state(struct wpa_sm *sm, enum wpa_states state)
	{
	WPA_ASSERT(sm->ctx->set_state);
	sm->ctx->set_state(sm->ctx->ctx, state);
	}

	static inline enum wpa_states wpa_sm_get_state(struct wpa_sm *sm)
	{
	WPA_ASSERT(sm->ctx->get_state);
	return sm->ctx->get_state(sm->ctx->ctx);
	}

	static inline void wpa_sm_deauthenticate(struct wpa_sm *sm, int reason_code)
	{
	WPA_ASSERT(sm->ctx->deauthenticate);
	sm->ctx->deauthenticate(sm->ctx->ctx, reason_code);
	}

	static inline int wpa_sm_set_key(struct wpa_sm *sm, enum wpa_alg alg,
	const u8 *addr, int key_idx, int set_tx,
	const u8 *seq, size_t seq_len,
	const u8 *key, size_t key_len)
	{
	WPA_ASSERT(sm->ctx->set_key);
	return sm->ctx->set_key(sm->ctx->ctx, alg, addr, key_idx, set_tx,
	seq, seq_len, key, key_len);
	}

	static inline void * wpa_sm_get_network_ctx(struct wpa_sm *sm)
	{
	WPA_ASSERT(sm->ctx->get_network_ctx);
	return sm->ctx->get_network_ctx(sm->ctx->ctx);
	}

	static inline int wpa_sm_get_bssid(struct wpa_sm sm, u8 bssid)
	{
	WPA_ASSERT(sm->ctx->get_bssid);
	return sm->ctx->get_bssid(sm->ctx->ctx, bssid);
	}

	static inline int wpa_sm_ether_send(struct wpa_sm sm, const u8 dest,
	u16 proto, const u8 *buf, size_t len)
	{
	WPA_ASSERT(sm->ctx->ether_send);
	return sm->ctx->ether_send(sm->ctx->ctx, dest, proto, buf, len);
	}

	static inline int wpa_sm_get_beacon_ie(struct wpa_sm *sm)
	{
	WPA_ASSERT(sm->ctx->get_beacon_ie);
	return sm->ctx->get_beacon_ie(sm->ctx->ctx);
	}

	static inline void wpa_sm_cancel_auth_timeout(struct wpa_sm *sm)
	{
	WPA_ASSERT(sm->ctx->cancel_auth_timeout);
	sm->ctx->cancel_auth_timeout(sm->ctx->ctx);
	}

	static inline u8 * wpa_sm_alloc_eapol(struct wpa_sm *sm, u8 type,
	const void *data, u16 data_len,
	size_t msg_len, void *data_pos)
	{
	WPA_ASSERT(sm->ctx->alloc_eapol);
	return sm->ctx->alloc_eapol(sm->ctx->ctx, type, data, data_len,
	msg_len, data_pos);
	}

	static inline int wpa_sm_add_pmkid(struct wpa_sm sm, const u8 bssid,
	const u8 *pmkid)
	{
	WPA_ASSERT(sm->ctx->add_pmkid);
	return sm->ctx->add_pmkid(sm->ctx->ctx, bssid, pmkid);
	}

	static inline int wpa_sm_remove_pmkid(struct wpa_sm sm, const u8 bssid,
	const u8 *pmkid)
	{
	WPA_ASSERT(sm->ctx->remove_pmkid);
	return sm->ctx->remove_pmkid(sm->ctx->ctx, bssid, pmkid);
	}

	static inline int wpa_sm_mlme_setprotection(struct wpa_sm sm, const u8 addr,
	int protect_type, int key_type)
	{
	WPA_ASSERT(sm->ctx->mlme_setprotection);
	return sm->ctx->mlme_setprotection(sm->ctx->ctx, addr, protect_type,
	key_type);
	}

	static inline int wpa_sm_update_ft_ies(struct wpa_sm sm, const u8 md,
	const u8 *ies, size_t ies_len)
	{
	if (sm->ctx->update_ft_ies)
	return sm->ctx->update_ft_ies(sm->ctx->ctx, md, ies, ies_len);
	return -1;
	}

	static inline int wpa_sm_send_ft_action(struct wpa_sm *sm, u8 action,
	const u8 *target_ap,
	const u8 *ies, size_t ies_len)
	{
	if (sm->ctx->send_ft_action)
	return sm->ctx->send_ft_action(sm->ctx->ctx, action, target_ap,
	ies, ies_len);
	return -1;
	}

	static inline int wpa_sm_mark_authenticated(struct wpa_sm *sm,
	const u8 *target_ap)
	{
	if (sm->ctx->mark_authenticated)
	return sm->ctx->mark_authenticated(sm->ctx->ctx, target_ap);
	return -1;
	}

	static inline void wpa_sm_set_rekey_offload(struct wpa_sm *sm)
	{
	if (!sm->ctx->set_rekey_offload)
	return;
	sm->ctx->set_rekey_offload(sm->ctx->ctx, sm->ptk.kek,
	sm->ptk.kck, sm->rx_replay_counter);
	}

	#ifdef CONFIG_TDLS
	static inline int wpa_sm_tdls_get_capa(struct wpa_sm *sm,
	int *tdls_supported,
	int *tdls_ext_setup)
	{
	if (sm->ctx->tdls_get_capa)
	return sm->ctx->tdls_get_capa(sm->ctx->ctx, tdls_supported,
	tdls_ext_setup);
	return -1;
	}

	static inline int wpa_sm_send_tdls_mgmt(struct wpa_sm sm, const u8 dst,
	u8 action_code, u8 dialog_token,
	u16 status_code, const u8 *buf,
	size_t len)
	{
	if (sm->ctx->send_tdls_mgmt)
	return sm->ctx->send_tdls_mgmt(sm->ctx->ctx, dst, action_code,
	dialog_token, status_code,
	buf, len);
	return -1;
	}

	static inline int wpa_sm_tdls_oper(struct wpa_sm *sm, int oper,
	const u8 *peer)
	{
	if (sm->ctx->tdls_oper)
	return sm->ctx->tdls_oper(sm->ctx->ctx, oper, peer);
	return -1;
	}

	static inline int
	wpa_sm_tdls_peer_addset(struct wpa_sm sm, const u8 addr, int add,
	u16 capability, const u8 *supp_rates,
	size_t supp_rates_len)
	{
	if (sm->ctx->tdls_peer_addset)
	return sm->ctx->tdls_peer_addset(sm->ctx->ctx, addr, add,
	capability, supp_rates,
	supp_rates_len);
	return -1;
	}
	#endif /* CONFIG_TDLS */

	void wpa_eapol_key_send(struct wpa_sm sm, const u8 kck,
	int ver, const u8 *dest, u16 proto,
	u8 msg, size_t msg_len, u8 key_mic);
	int wpa_supplicant_send_2_of_4(struct wpa_sm sm, const unsigned char dst,
	const struct wpa_eapol_key *key,
	int ver, const u8 *nonce,
	const u8 *wpa_ie, size_t wpa_ie_len,
	struct wpa_ptk *ptk);
	int wpa_supplicant_send_4_of_4(struct wpa_sm sm, const unsigned char dst,
	const struct wpa_eapol_key *key,
	u16 ver, u16 key_info,
	const u8 *kde, size_t kde_len,
	struct wpa_ptk *ptk);

	int wpa_derive_ptk_ft(struct wpa_sm sm, const unsigned char src_addr,
	const struct wpa_eapol_key *key,
	struct wpa_ptk *ptk, size_t ptk_len);

	void wpa_tdls_assoc(struct wpa_sm *sm);
	void wpa_tdls_disassoc(struct wpa_sm *sm);

	#endif /* WPA_I_H */