[thirdparty/hostap.git] / src / ap / wpa_auth_i.h

/*
 * hostapd - IEEE 802.11i-2004 / WPA Authenticator: Internal definitions
 * Copyright (c) 2004-2015, Jouni Malinen <j@w1.fi>
 *
 * This software may be distributed under the terms of the BSD license.
 * See README for more details.
 */

#ifndef WPA_AUTH_I_H
#define WPA_AUTH_I_H

#include "utils/list.h"

/* max(dot11RSNAConfigGroupUpdateCount,dot11RSNAConfigPairwiseUpdateCount) */
#define RSNA_MAX_EAPOL_RETRIES 4

struct wpa_group;

struct wpa_state_machine {
	struct wpa_authenticator *wpa_auth;
	struct wpa_group *group;

	u8 addr[ETH_ALEN];
	u8 p2p_dev_addr[ETH_ALEN];

	enum {
		WPA_PTK_INITIALIZE, WPA_PTK_DISCONNECT, WPA_PTK_DISCONNECTED,
		WPA_PTK_AUTHENTICATION, WPA_PTK_AUTHENTICATION2,
		WPA_PTK_INITPMK, WPA_PTK_INITPSK, WPA_PTK_PTKSTART,
		WPA_PTK_PTKCALCNEGOTIATING, WPA_PTK_PTKCALCNEGOTIATING2,
		WPA_PTK_PTKINITNEGOTIATING, WPA_PTK_PTKINITDONE
	} wpa_ptk_state;

	enum {
		WPA_PTK_GROUP_IDLE = 0,
		WPA_PTK_GROUP_REKEYNEGOTIATING,
		WPA_PTK_GROUP_REKEYESTABLISHED,
		WPA_PTK_GROUP_KEYERROR
	} wpa_ptk_group_state;

	Boolean Init;
	Boolean DeauthenticationRequest;
	Boolean AuthenticationRequest;
	Boolean ReAuthenticationRequest;
	Boolean Disconnect;
	u16 disconnect_reason; /* specific reason code to use with Disconnect */
	u32 TimeoutCtr;
	u32 GTimeoutCtr;
	Boolean TimeoutEvt;
	Boolean EAPOLKeyReceived;
	Boolean EAPOLKeyPairwise;
	Boolean EAPOLKeyRequest;
	Boolean MICVerified;
	Boolean GUpdateStationKeys;
	u8 ANonce[WPA_NONCE_LEN];
	u8 SNonce[WPA_NONCE_LEN];
	u8 alt_SNonce[WPA_NONCE_LEN];
	u8 alt_replay_counter[WPA_REPLAY_COUNTER_LEN];
	u8 PMK[PMK_LEN_MAX];
	unsigned int pmk_len;
	u8 pmkid[PMKID_LEN]; /* valid if pmkid_set == 1 */
	struct wpa_ptk PTK;
	Boolean PTK_valid;
	Boolean pairwise_set;
	Boolean tk_already_set;
	int keycount;
	Boolean Pair;
	struct wpa_key_replay_counter {
		u8 counter[WPA_REPLAY_COUNTER_LEN];
		Boolean valid;
	} key_replay[RSNA_MAX_EAPOL_RETRIES],
		prev_key_replay[RSNA_MAX_EAPOL_RETRIES];
	Boolean PInitAKeys; /* WPA only, not in IEEE 802.11i */
	Boolean PTKRequest; /* not in IEEE 802.11i state machine */
	Boolean has_GTK;
	Boolean PtkGroupInit; /* init request for PTK Group state machine */

	u8 *last_rx_eapol_key; /* starting from IEEE 802.1X header */
	size_t last_rx_eapol_key_len;

	unsigned int changed:1;
	unsigned int in_step_loop:1;
	unsigned int pending_deinit:1;
	unsigned int started:1;
	unsigned int mgmt_frame_prot:1;
	unsigned int rx_eapol_key_secure:1;
	unsigned int update_snonce:1;
	unsigned int alt_snonce_valid:1;
#ifdef CONFIG_IEEE80211R_AP
	unsigned int ft_completed:1;
	unsigned int pmk_r1_name_valid:1;
#endif /* CONFIG_IEEE80211R_AP */
	unsigned int is_wnmsleep:1;
	unsigned int pmkid_set:1;

	u8 req_replay_counter[WPA_REPLAY_COUNTER_LEN];
	int req_replay_counter_used;

	u8 *wpa_ie;
	size_t wpa_ie_len;

	enum {
		WPA_VERSION_NO_WPA = 0 /* WPA not used */,
		WPA_VERSION_WPA = 1 /* WPA / IEEE 802.11i/D3.0 */,
		WPA_VERSION_WPA2 = 2 /* WPA2 / IEEE 802.11i */
	} wpa;
	int pairwise; /* Pairwise cipher suite, WPA_CIPHER_* */
	int wpa_key_mgmt; /* the selected WPA_KEY_MGMT_* */
	struct rsn_pmksa_cache_entry *pmksa;

	u32 dot11RSNAStatsTKIPLocalMICFailures;
	u32 dot11RSNAStatsTKIPRemoteMICFailures;

#ifdef CONFIG_IEEE80211R_AP
	u8 xxkey[PMK_LEN]; /* PSK or the second 256 bits of MSK */
	size_t xxkey_len;
	u8 pmk_r1_name[WPA_PMK_NAME_LEN]; /* PMKR1Name derived from FT Auth
					   * Request */
	u8 r0kh_id[FT_R0KH_ID_MAX_LEN]; /* R0KH-ID from FT Auth Request */
	size_t r0kh_id_len;
	u8 sup_pmk_r1_name[WPA_PMK_NAME_LEN]; /* PMKR1Name from EAPOL-Key
					       * message 2/4 */
	u8 *assoc_resp_ftie;

	void (*ft_pending_cb)(void *ctx, const u8 *dst, const u8 *bssid,
			      u16 auth_transaction, u16 status,
			      const u8 *ies, size_t ies_len);
	void *ft_pending_cb_ctx;
	struct wpabuf *ft_pending_req_ies;
	u8 ft_pending_pull_nonce[FT_RRB_NONCE_LEN];
	u8 ft_pending_auth_transaction;
	u8 ft_pending_current_ap[ETH_ALEN];
	int ft_pending_pull_left_retries;
#endif /* CONFIG_IEEE80211R_AP */

	int pending_1_of_4_timeout;

#ifdef CONFIG_P2P
	u8 ip_addr[4];
#endif /* CONFIG_P2P */

#ifdef CONFIG_FILS
	u8 fils_key_auth_sta[FILS_MAX_KEY_AUTH_LEN];
	u8 fils_key_auth_ap[FILS_MAX_KEY_AUTH_LEN];
	size_t fils_key_auth_len;
	unsigned int fils_completed:1;
#endif /* CONFIG_FILS */

#ifdef CONFIG_TESTING_OPTIONS
	void (*eapol_status_cb)(void *ctx1, void *ctx2);
	void *eapol_status_cb_ctx1;
	void *eapol_status_cb_ctx2;
#endif /* CONFIG_TESTING_OPTIONS */
};


/* per group key state machine data */
struct wpa_group {
	struct wpa_group *next;
	int vlan_id;

	Boolean GInit;
	int GKeyDoneStations;
	Boolean GTKReKey;
	int GTK_len;
	int GN, GM;
	Boolean GTKAuthenticator;
	u8 Counter[WPA_NONCE_LEN];

	enum {
		WPA_GROUP_GTK_INIT = 0,
		WPA_GROUP_SETKEYS, WPA_GROUP_SETKEYSDONE,
		WPA_GROUP_FATAL_FAILURE
	} wpa_group_state;

	u8 GMK[WPA_GMK_LEN];
	u8 GTK[2][WPA_GTK_MAX_LEN];
	u8 GNonce[WPA_NONCE_LEN];
	Boolean changed;
	Boolean first_sta_seen;
	Boolean reject_4way_hs_for_entropy;
#ifdef CONFIG_IEEE80211W
	u8 IGTK[2][WPA_IGTK_MAX_LEN];
	int GN_igtk, GM_igtk;
#endif /* CONFIG_IEEE80211W */
	/* Number of references except those in struct wpa_group->next */
	unsigned int references;
	unsigned int num_setup_iface;
};


struct wpa_ft_pmk_cache;

/* per authenticator data */
struct wpa_authenticator {
	struct wpa_group *group;

	unsigned int dot11RSNAStatsTKIPRemoteMICFailures;
	u32 dot11RSNAAuthenticationSuiteSelected;
	u32 dot11RSNAPairwiseCipherSelected;
	u32 dot11RSNAGroupCipherSelected;
	u8 dot11RSNAPMKIDUsed[PMKID_LEN];
	u32 dot11RSNAAuthenticationSuiteRequested; /* FIX: update */
	u32 dot11RSNAPairwiseCipherRequested; /* FIX: update */
	u32 dot11RSNAGroupCipherRequested; /* FIX: update */
	unsigned int dot11RSNATKIPCounterMeasuresInvoked;
	unsigned int dot11RSNA4WayHandshakeFailures;

	struct wpa_auth_config conf;
	const struct wpa_auth_callbacks *cb;
	void *cb_ctx;

	u8 *wpa_ie;
	size_t wpa_ie_len;

	u8 addr[ETH_ALEN];

	struct rsn_pmksa_cache *pmksa;
	struct wpa_ft_pmk_cache *ft_pmk_cache;

#ifdef CONFIG_P2P
	struct bitfield *ip_pool;
#endif /* CONFIG_P2P */
};


#ifdef CONFIG_IEEE80211R_AP

#define FT_REMOTE_SEQ_BACKLOG 16
struct ft_remote_seq_rx {
	u32 dom;
	struct os_reltime time_offset; /* local time - offset = remote time */

	/* accepted sequence numbers: (offset ... offset + 0x40000000]
	 *   (except those in last)
	 * dropped sequence numbers: (offset - 0x40000000 ... offset]
	 * all others trigger SEQ_REQ message (except first message)
	 */
	u32 last[FT_REMOTE_SEQ_BACKLOG];
	unsigned int num_last;
	u32 offsetidx;

	struct dl_list queue; /* send nonces + rrb msgs awaiting seq resp */
};

struct ft_remote_seq_tx {
	u32 dom; /* non zero if initialized */
	u32 seq;
};

struct ft_remote_seq {
	struct ft_remote_seq_rx rx;
	struct ft_remote_seq_tx tx;
};

#endif /* CONFIG_IEEE80211R_AP */


int wpa_write_rsn_ie(struct wpa_auth_config *conf, u8 *buf, size_t len,
		     const u8 *pmkid);
void wpa_auth_logger(struct wpa_authenticator *wpa_auth, const u8 *addr,
		     logger_level level, const char *txt);
void wpa_auth_vlogger(struct wpa_authenticator *wpa_auth, const u8 *addr,
		      logger_level level, const char *fmt, ...);
void __wpa_send_eapol(struct wpa_authenticator *wpa_auth,
		      struct wpa_state_machine *sm, int key_info,
		      const u8 *key_rsc, const u8 *nonce,
		      const u8 *kde, size_t kde_len,
		      int keyidx, int encr, int force_version);
int wpa_auth_for_each_sta(struct wpa_authenticator *wpa_auth,
			  int (*cb)(struct wpa_state_machine *sm, void *ctx),
			  void *cb_ctx);
int wpa_auth_for_each_auth(struct wpa_authenticator *wpa_auth,
			   int (*cb)(struct wpa_authenticator *a, void *ctx),
			   void *cb_ctx);

#ifdef CONFIG_IEEE80211R_AP
int wpa_write_mdie(struct wpa_auth_config *conf, u8 *buf, size_t len);
int wpa_write_ftie(struct wpa_auth_config *conf, const u8 *r0kh_id,
		   size_t r0kh_id_len,
		   const u8 *anonce, const u8 *snonce,
		   u8 *buf, size_t len, const u8 *subelem,
		   size_t subelem_len);
int wpa_auth_derive_ptk_ft(struct wpa_state_machine *sm, const u8 *pmk,
			   struct wpa_ptk *ptk);
struct wpa_ft_pmk_cache * wpa_ft_pmk_cache_init(void);
void wpa_ft_pmk_cache_deinit(struct wpa_ft_pmk_cache *cache);
void wpa_ft_install_ptk(struct wpa_state_machine *sm);
int wpa_ft_store_pmk_r0(struct wpa_authenticator *wpa_auth,
			const u8 *spa, const u8 *pmk_r0,
			const u8 *pmk_r0_name, int pairwise);
#endif /* CONFIG_IEEE80211R_AP */

#endif /* WPA_AUTH_I_H */
Commit	Line	Data
6fc6879b JM	1	/*
6fc6879b JM	2	* hostapd - IEEE 802.11i-2004 / WPA Authenticator: Internal definitions
98cd3d1c	3	* Copyright (c) 2004-2015, Jouni Malinen <j@w1.fi>
6fc6879b	4	*
0f3d578e JM	5	* This software may be distributed under the terms of the BSD license.
0f3d578e JM	6	* See README for more details.
6fc6879b JM	7	*/
	8
	9	#ifndef WPA_AUTH_I_H
	10	#define WPA_AUTH_I_H
	11
eefe8630 MB	12	#include "utils/list.h"
eefe8630 MB	13
22a299ee	14	/* max(dot11RSNAConfigGroupUpdateCount,dot11RSNAConfigPairwiseUpdateCount) */
bae61562	15	#define RSNA_MAX_EAPOL_RETRIES 4
22a299ee	16
6fc6879b JM	17	struct wpa_group;
6fc6879b JM	18
6fc6879b JM	19	struct wpa_state_machine {
	20	struct wpa_authenticator *wpa_auth;
	21	struct wpa_group *group;
	22
	23	u8 addr[ETH_ALEN];
94ddef3e	24	u8 p2p_dev_addr[ETH_ALEN];
6fc6879b JM	25
	26	enum {
	27	WPA_PTK_INITIALIZE, WPA_PTK_DISCONNECT, WPA_PTK_DISCONNECTED,
	28	WPA_PTK_AUTHENTICATION, WPA_PTK_AUTHENTICATION2,
	29	WPA_PTK_INITPMK, WPA_PTK_INITPSK, WPA_PTK_PTKSTART,
	30	WPA_PTK_PTKCALCNEGOTIATING, WPA_PTK_PTKCALCNEGOTIATING2,
	31	WPA_PTK_PTKINITNEGOTIATING, WPA_PTK_PTKINITDONE
	32	} wpa_ptk_state;
	33
	34	enum {
	35	WPA_PTK_GROUP_IDLE = 0,
	36	WPA_PTK_GROUP_REKEYNEGOTIATING,
	37	WPA_PTK_GROUP_REKEYESTABLISHED,
	38	WPA_PTK_GROUP_KEYERROR
	39	} wpa_ptk_group_state;
	40
	41	Boolean Init;
	42	Boolean DeauthenticationRequest;
	43	Boolean AuthenticationRequest;
	44	Boolean ReAuthenticationRequest;
	45	Boolean Disconnect;
567da5bb	46	u16 disconnect_reason; /* specific reason code to use with Disconnect */
41f140d3 GK	47	u32 TimeoutCtr;
41f140d3 GK	48	u32 GTimeoutCtr;
6fc6879b JM	49	Boolean TimeoutEvt;
	50	Boolean EAPOLKeyReceived;
	51	Boolean EAPOLKeyPairwise;
	52	Boolean EAPOLKeyRequest;
	53	Boolean MICVerified;
	54	Boolean GUpdateStationKeys;
	55	u8 ANonce[WPA_NONCE_LEN];
	56	u8 SNonce[WPA_NONCE_LEN];
f23c5b17 JM	57	u8 alt_SNonce[WPA_NONCE_LEN];
f23c5b17 JM	58	u8 alt_replay_counter[WPA_REPLAY_COUNTER_LEN];
207976f0 JM	59	u8 PMK[PMK_LEN_MAX];
207976f0 JM	60	unsigned int pmk_len;
9d94e4bb	61	u8 pmkid[PMKID_LEN]; /* valid if pmkid_set == 1 */
6fc6879b JM	62	struct wpa_ptk PTK;
	63	Boolean PTK_valid;
	64	Boolean pairwise_set;
0e3bd7ac	65	Boolean tk_already_set;
6fc6879b JM	66	int keycount;
6fc6879b JM	67	Boolean Pair;
68921e24	68	struct wpa_key_replay_counter {
22a299ee JM	69	u8 counter[WPA_REPLAY_COUNTER_LEN];
22a299ee JM	70	Boolean valid;
68921e24 JM	71	} key_replay[RSNA_MAX_EAPOL_RETRIES],
68921e24 JM	72	prev_key_replay[RSNA_MAX_EAPOL_RETRIES];
6fc6879b JM	73	Boolean PInitAKeys; /* WPA only, not in IEEE 802.11i */
	74	Boolean PTKRequest; /* not in IEEE 802.11i state machine */
	75	Boolean has_GTK;
9663596f	76	Boolean PtkGroupInit; /* init request for PTK Group state machine */
6fc6879b JM	77
	78	u8 last_rx_eapol_key; / starting from IEEE 802.1X header */
	79	size_t last_rx_eapol_key_len;
	80
	81	unsigned int changed:1;
	82	unsigned int in_step_loop:1;
	83	unsigned int pending_deinit:1;
	84	unsigned int started:1;
	85	unsigned int mgmt_frame_prot:1;
0d442aff	86	unsigned int rx_eapol_key_secure:1;
68921e24	87	unsigned int update_snonce:1;
f23c5b17	88	unsigned int alt_snonce_valid:1;
4ec1fd8e	89	#ifdef CONFIG_IEEE80211R_AP
6fc6879b JM	90	unsigned int ft_completed:1;
6fc6879b JM	91	unsigned int pmk_r1_name_valid:1;
4ec1fd8e	92	#endif /* CONFIG_IEEE80211R_AP */
d32d94db	93	unsigned int is_wnmsleep:1;
9d94e4bb	94	unsigned int pmkid_set:1;
6fc6879b JM	95
	96	u8 req_replay_counter[WPA_REPLAY_COUNTER_LEN];
	97	int req_replay_counter_used;
	98
	99	u8 *wpa_ie;
	100	size_t wpa_ie_len;
	101
	102	enum {
	103	WPA_VERSION_NO_WPA = 0 /* WPA not used */,
	104	WPA_VERSION_WPA = 1 /* WPA / IEEE 802.11i/D3.0 */,
	105	WPA_VERSION_WPA2 = 2 /* WPA2 / IEEE 802.11i */
	106	} wpa;
	107	int pairwise; /* Pairwise cipher suite, WPA_CIPHER_* */
	108	int wpa_key_mgmt; /* the selected WPA_KEY_MGMT_* */
	109	struct rsn_pmksa_cache_entry *pmksa;
	110
	111	u32 dot11RSNAStatsTKIPLocalMICFailures;
	112	u32 dot11RSNAStatsTKIPRemoteMICFailures;
	113
4ec1fd8e	114	#ifdef CONFIG_IEEE80211R_AP
6fc6879b JM	115	u8 xxkey[PMK_LEN]; /* PSK or the second 256 bits of MSK */
	116	size_t xxkey_len;
	117	u8 pmk_r1_name[WPA_PMK_NAME_LEN]; /* PMKR1Name derived from FT Auth
	118	* Request */
	119	u8 r0kh_id[FT_R0KH_ID_MAX_LEN]; /* R0KH-ID from FT Auth Request */
	120	size_t r0kh_id_len;
26e23750 JM	121	u8 sup_pmk_r1_name[WPA_PMK_NAME_LEN]; /* PMKR1Name from EAPOL-Key
26e23750 JM	122	* message 2/4 */
0f857f43	123	u8 *assoc_resp_ftie;
692ec305 JM	124
	125	void (ft_pending_cb)(void ctx, const u8 dst, const u8 bssid,
	126	u16 auth_transaction, u16 status,
	127	const u8 *ies, size_t ies_len);
	128	void *ft_pending_cb_ctx;
	129	struct wpabuf *ft_pending_req_ies;
245fc96e	130	u8 ft_pending_pull_nonce[FT_RRB_NONCE_LEN];
692ec305 JM	131	u8 ft_pending_auth_transaction;
692ec305 JM	132	u8 ft_pending_current_ap[ETH_ALEN];
3a46cf93	133	int ft_pending_pull_left_retries;
4ec1fd8e	134	#endif /* CONFIG_IEEE80211R_AP */
e4bf4db9 JM	135
e4bf4db9 JM	136	int pending_1_of_4_timeout;
25ef8529 JM	137
	138	#ifdef CONFIG_P2P
	139	u8 ip_addr[4];
	140	#endif /* CONFIG_P2P */
c4fd6d8a JM	141
	142	#ifdef CONFIG_FILS
	143	u8 fils_key_auth_sta[FILS_MAX_KEY_AUTH_LEN];
	144	u8 fils_key_auth_ap[FILS_MAX_KEY_AUTH_LEN];
	145	size_t fils_key_auth_len;
07e0117d	146	unsigned int fils_completed:1;
c4fd6d8a	147	#endif /* CONFIG_FILS */
3d695328 JM	148
	149	#ifdef CONFIG_TESTING_OPTIONS
	150	void (eapol_status_cb)(void ctx1, void *ctx2);
	151	void *eapol_status_cb_ctx1;
	152	void *eapol_status_cb_ctx2;
	153	#endif /* CONFIG_TESTING_OPTIONS */
6fc6879b JM	154	};
	155
	156
	157	/* per group key state machine data */
	158	struct wpa_group {
	159	struct wpa_group *next;
	160	int vlan_id;
	161
	162	Boolean GInit;
	163	int GKeyDoneStations;
	164	Boolean GTKReKey;
	165	int GTK_len;
	166	int GN, GM;
	167	Boolean GTKAuthenticator;
	168	u8 Counter[WPA_NONCE_LEN];
	169
	170	enum {
	171	WPA_GROUP_GTK_INIT = 0,
7d7f7be2 JM	172	WPA_GROUP_SETKEYS, WPA_GROUP_SETKEYSDONE,
7d7f7be2 JM	173	WPA_GROUP_FATAL_FAILURE
6fc6879b JM	174	} wpa_group_state;
	175
	176	u8 GMK[WPA_GMK_LEN];
	177	u8 GTK[2][WPA_GTK_MAX_LEN];
	178	u8 GNonce[WPA_NONCE_LEN];
	179	Boolean changed;
1bdb7ab3	180	Boolean first_sta_seen;
08704cd8	181	Boolean reject_4way_hs_for_entropy;
6fc6879b	182	#ifdef CONFIG_IEEE80211W
8dd9f9cd	183	u8 IGTK[2][WPA_IGTK_MAX_LEN];
6fc6879b JM	184	int GN_igtk, GM_igtk;
6fc6879b JM	185	#endif /* CONFIG_IEEE80211W */
a0ad9e8c MB	186	/* Number of references except those in struct wpa_group->next */
a0ad9e8c MB	187	unsigned int references;
7cebc8e2	188	unsigned int num_setup_iface;
6fc6879b JM	189	};
	190
	191
	192	struct wpa_ft_pmk_cache;
	193
	194	/* per authenticator data */
	195	struct wpa_authenticator {
	196	struct wpa_group *group;
	197
	198	unsigned int dot11RSNAStatsTKIPRemoteMICFailures;
	199	u32 dot11RSNAAuthenticationSuiteSelected;
	200	u32 dot11RSNAPairwiseCipherSelected;
	201	u32 dot11RSNAGroupCipherSelected;
	202	u8 dot11RSNAPMKIDUsed[PMKID_LEN];
	203	u32 dot11RSNAAuthenticationSuiteRequested; /* FIX: update */
	204	u32 dot11RSNAPairwiseCipherRequested; /* FIX: update */
	205	u32 dot11RSNAGroupCipherRequested; /* FIX: update */
	206	unsigned int dot11RSNATKIPCounterMeasuresInvoked;
	207	unsigned int dot11RSNA4WayHandshakeFailures;
	208
6fc6879b	209	struct wpa_auth_config conf;
cef8fac0 JB	210	const struct wpa_auth_callbacks *cb;
cef8fac0 JB	211	void *cb_ctx;
6fc6879b JM	212
	213	u8 *wpa_ie;
	214	size_t wpa_ie_len;
	215
	216	u8 addr[ETH_ALEN];
	217
	218	struct rsn_pmksa_cache *pmksa;
	219	struct wpa_ft_pmk_cache *ft_pmk_cache;
25ef8529 JM	220
	221	#ifdef CONFIG_P2P
	222	struct bitfield *ip_pool;
	223	#endif /* CONFIG_P2P */
6fc6879b JM	224	};
	225
	226
eefe8630 MB	227	#ifdef CONFIG_IEEE80211R_AP
	228
	229	#define FT_REMOTE_SEQ_BACKLOG 16
	230	struct ft_remote_seq_rx {
	231	u32 dom;
	232	struct os_reltime time_offset; /* local time - offset = remote time */
	233
	234	/* accepted sequence numbers: (offset ... offset + 0x40000000]
	235	* (except those in last)
	236	* dropped sequence numbers: (offset - 0x40000000 ... offset]
	237	* all others trigger SEQ_REQ message (except first message)
	238	*/
	239	u32 last[FT_REMOTE_SEQ_BACKLOG];
	240	unsigned int num_last;
	241	u32 offsetidx;
	242
	243	struct dl_list queue; /* send nonces + rrb msgs awaiting seq resp */
	244	};
	245
	246	struct ft_remote_seq_tx {
	247	u32 dom; /* non zero if initialized */
	248	u32 seq;
	249	};
	250
	251	struct ft_remote_seq {
	252	struct ft_remote_seq_rx rx;
	253	struct ft_remote_seq_tx tx;
	254	};
	255
	256	#endif /* CONFIG_IEEE80211R_AP */
	257
	258
6fc6879b JM	259	int wpa_write_rsn_ie(struct wpa_auth_config conf, u8 buf, size_t len,
	260	const u8 *pmkid);
	261	void wpa_auth_logger(struct wpa_authenticator wpa_auth, const u8 addr,
	262	logger_level level, const char *txt);
	263	void wpa_auth_vlogger(struct wpa_authenticator wpa_auth, const u8 addr,
	264	logger_level level, const char *fmt, ...);
	265	void __wpa_send_eapol(struct wpa_authenticator *wpa_auth,
	266	struct wpa_state_machine *sm, int key_info,
	267	const u8 key_rsc, const u8 nonce,
	268	const u8 *kde, size_t kde_len,
	269	int keyidx, int encr, int force_version);
	270	int wpa_auth_for_each_sta(struct wpa_authenticator *wpa_auth,
	271	int (cb)(struct wpa_state_machine sm, void *ctx),
	272	void *cb_ctx);
bf98f7f3 JM	273	int wpa_auth_for_each_auth(struct wpa_authenticator *wpa_auth,
	274	int (cb)(struct wpa_authenticator a, void *ctx),
	275	void *cb_ctx);
6fc6879b	276
4ec1fd8e	277	#ifdef CONFIG_IEEE80211R_AP
6fc6879b	278	int wpa_write_mdie(struct wpa_auth_config conf, u8 buf, size_t len);
86dfabb8 JM	279	int wpa_write_ftie(struct wpa_auth_config conf, const u8 r0kh_id,
	280	size_t r0kh_id_len,
	281	const u8 anonce, const u8 snonce,
	282	u8 buf, size_t len, const u8 subelem,
	283	size_t subelem_len);
6fc6879b	284	int wpa_auth_derive_ptk_ft(struct wpa_state_machine sm, const u8 pmk,
98cd3d1c	285	struct wpa_ptk *ptk);
6fc6879b JM	286	struct wpa_ft_pmk_cache * wpa_ft_pmk_cache_init(void);
6fc6879b JM	287	void wpa_ft_pmk_cache_deinit(struct wpa_ft_pmk_cache *cache);
0e84c254	288	void wpa_ft_install_ptk(struct wpa_state_machine *sm);
8fed47e0 JM	289	int wpa_ft_store_pmk_r0(struct wpa_authenticator *wpa_auth,
	290	const u8 spa, const u8 pmk_r0,
	291	const u8 *pmk_r0_name, int pairwise);
4ec1fd8e	292	#endif /* CONFIG_IEEE80211R_AP */
6fc6879b JM	293
6fc6879b JM	294	#endif /* WPA_AUTH_I_H */