1  /*
2   * Internal WPA/RSN supplicant state machine definitions
3   * Copyright (c) 2004-2018, Jouni Malinen <j@w1.fi>
4   *
5   * This software may be distributed under the terms of the BSD license.
6   * See README for more details.
7   */
8  
9  #ifndef WPA_I_H
10  #define WPA_I_H
11  
12  #include "utils/list.h"
13  
14  struct wpa_tdls_peer;
15  struct wpa_eapol_key;
16  
17  struct pasn_ft_r1kh {
18  	u8 bssid[ETH_ALEN];
19  	u8 r1kh_id[FT_R1KH_ID_LEN];
20  };
21  
22  /**
23   * struct wpa_sm - Internal WPA state machine data
24   */
25  struct wpa_sm {
26  	u8 pmk[PMK_LEN_MAX];
27  	size_t pmk_len;
28  	struct wpa_ptk ptk, tptk;
29  	int ptk_set, tptk_set;
30  	bool tk_set; /* Whether any TK is configured to the driver */
31  	unsigned int msg_3_of_4_ok:1;
32  	u8 snonce[WPA_NONCE_LEN];
33  	u8 anonce[WPA_NONCE_LEN]; /* ANonce from the last 1/4 msg */
34  	int renew_snonce;
35  	u8 rx_replay_counter[WPA_REPLAY_COUNTER_LEN];
36  	int rx_replay_counter_set;
37  	u8 request_counter[WPA_REPLAY_COUNTER_LEN];
38  	struct wpa_gtk gtk;
39  	struct wpa_gtk gtk_wnm_sleep;
40  	struct wpa_igtk igtk;
41  	struct wpa_igtk igtk_wnm_sleep;
42  	struct wpa_bigtk bigtk;
43  	struct wpa_bigtk bigtk_wnm_sleep;
44  
45  	struct eapol_sm *eapol; /* EAPOL state machine from upper level code */
46  
47  	struct rsn_pmksa_cache *pmksa; /* PMKSA cache */
48  	struct rsn_pmksa_cache_entry *cur_pmksa; /* current PMKSA entry */
49  	struct dl_list pmksa_candidates;
50  
51  	struct l2_packet_data *l2_preauth;
52  	struct l2_packet_data *l2_preauth_br;
53  	struct l2_packet_data *l2_tdls;
54  	u8 preauth_bssid[ETH_ALEN]; /* current RSN pre-auth peer or
55  				     * 00:00:00:00:00:00 if no pre-auth is
56  				     * in progress */
57  	struct eapol_sm *preauth_eapol;
58  
59  	struct wpa_sm_ctx *ctx;
60  
61  	void *scard_ctx; /* context for smartcard callbacks */
62  	int fast_reauth; /* whether EAP fast re-authentication is enabled */
63  
64  	void *network_ctx;
65  	int allowed_pairwise_cipher; /* bitfield of WPA_CIPHER_* */
66  	int proactive_key_caching;
67  	int eap_workaround;
68  	void *eap_conf_ctx;
69  	u8 ssid[32];
70  	size_t ssid_len;
71  	int wpa_ptk_rekey;
72  	unsigned int wpa_deny_ptk0_rekey:1;
73  	int p2p;
74  	int wpa_rsc_relaxation;
75  	int owe_ptk_workaround;
76  	int beacon_prot;
77  	int ext_key_id; /* whether Extended Key ID is enabled */
78  	int use_ext_key_id; /* whether Extended Key ID has been detected
79  			     * to be used */
80  	int keyidx_active; /* Key ID for the active TK */
81  
82  	/*
83  	 * If set Key Derivation Key should be derived as part of PMK to
84  	 * PTK derivation regardless of advertised capabilities.
85  	 */
86  	bool force_kdk_derivation;
87  
88  	u8 own_addr[ETH_ALEN];
89  	const char *ifname;
90  	const char *bridge_ifname;
91  	u8 bssid[ETH_ALEN];
92  
93  	unsigned int dot11RSNAConfigPMKLifetime;
94  	unsigned int dot11RSNAConfigPMKReauthThreshold;
95  	unsigned int dot11RSNAConfigSATimeout;
96  
97  	unsigned int dot11RSNA4WayHandshakeFailures;
98  
99  	/* Selected configuration (based on Beacon/ProbeResp WPA IE) */
100  	unsigned int proto;
101  	unsigned int pairwise_cipher;
102  	unsigned int group_cipher;
103  	unsigned int key_mgmt;
104  	unsigned int mgmt_group_cipher;
105  
106  	int rsn_enabled; /* Whether RSN is enabled in configuration */
107  	int mfp; /* 0 = disabled, 1 = optional, 2 = mandatory */
108  	int ocv; /* Operating Channel Validation */
109  	enum sae_pwe sae_pwe; /* SAE PWE generation options */
110  
111  	unsigned int sae_pk:1; /* whether SAE-PK is used */
112  	unsigned int secure_ltf:1;
113  	unsigned int secure_rtt:1;
114  	unsigned int prot_range_neg:1;
115  	unsigned int ssid_protection:1;
116  	unsigned int spp_amsdu:1;
117  
118  	u8 *assoc_wpa_ie; /* Own WPA/RSN IE from (Re)AssocReq */
119  	size_t assoc_wpa_ie_len;
120  	u8 *assoc_rsnxe; /* Own RSNXE from (Re)AssocReq */
121  	size_t assoc_rsnxe_len;
122  	u8 *ap_wpa_ie, *ap_rsn_ie, *ap_rsnxe;
123  	size_t ap_wpa_ie_len, ap_rsn_ie_len, ap_rsnxe_len;
124  	u8 *ap_rsne_override, *ap_rsne_override_2, *ap_rsnxe_override;
125  	size_t ap_rsne_override_len, ap_rsne_override_2_len,
126  		ap_rsnxe_override_len;
127  
128  #ifdef CONFIG_TDLS
129  	struct wpa_tdls_peer *tdls;
130  	int tdls_prohibited;
131  	int tdls_chan_switch_prohibited;
132  	int tdls_disabled;
133  
134  	/* The driver supports TDLS */
135  	int tdls_supported;
136  
137  	/*
138  	 * The driver requires explicit discovery/setup/teardown frames sent
139  	 * to it via tdls_mgmt.
140  	 */
141  	int tdls_external_setup;
142  
143  	/* The driver supports TDLS channel switching */
144  	int tdls_chan_switch;
145  #endif /* CONFIG_TDLS */
146  
147  #ifdef CONFIG_IEEE80211R
148  	u8 xxkey[PMK_LEN_MAX]; /* PSK or the second 256 bits of MSK, or the
149  				* first 384 bits of MSK */
150  	size_t xxkey_len;
151  	u8 pmk_r0[PMK_LEN_MAX];
152  	size_t pmk_r0_len;
153  	u8 pmk_r0_name[WPA_PMK_NAME_LEN];
154  	u8 pmk_r1[PMK_LEN_MAX];
155  	size_t pmk_r1_len;
156  	u8 pmk_r1_name[WPA_PMK_NAME_LEN];
157  	u8 mobility_domain[MOBILITY_DOMAIN_ID_LEN];
158  	u8 key_mobility_domain[MOBILITY_DOMAIN_ID_LEN];
159  	u8 r0kh_id[FT_R0KH_ID_MAX_LEN];
160  	size_t r0kh_id_len;
161  	u8 r1kh_id[FT_R1KH_ID_LEN];
162  	unsigned int ft_completed:1;
163  	unsigned int ft_reassoc_completed:1;
164  	unsigned int ft_protocol:1;
165  	int over_the_ds_in_progress;
166  	u8 target_ap[ETH_ALEN]; /* over-the-DS target AP */
167  	int set_ptk_after_assoc;
168  	u8 mdie_ft_capab; /* FT Capability and Policy from target AP MDIE */
169  	u8 *assoc_resp_ies; /* MDIE and FTIE from (Re)Association Response */
170  	size_t assoc_resp_ies_len;
171  #ifdef CONFIG_PASN
172  	/*
173  	 * Currently, the WPA state machine stores the PMK-R1, PMK-R1-Name and
174  	 * R1KH-ID only for the current association. As PMK-R1 is required to
175  	 * perform PASN authentication with FT, store the R1KH-ID for previous
176  	 * associations, which would later be used to derive the PMK-R1 as part
177  	 * of the PASN authentication flow.
178  	 */
179  	struct pasn_ft_r1kh *pasn_r1kh;
180  	unsigned int n_pasn_r1kh;
181  #endif /* CONFIG_PASN */
182  #endif /* CONFIG_IEEE80211R */
183  
184  #ifdef CONFIG_P2P
185  	u8 p2p_ip_addr[3 * 4];
186  #endif /* CONFIG_P2P */
187  
188  #ifdef CONFIG_TESTING_OPTIONS
189  	struct wpabuf *test_assoc_ie;
190  	struct wpabuf *test_eapol_m2_elems;
191  	struct wpabuf *test_eapol_m4_elems;
192  	struct wpabuf *test_rsnxe_data;
193  	struct wpabuf *test_rsnxe_mask;
194  	int ft_rsnxe_used;
195  	unsigned int oci_freq_override_eapol;
196  	unsigned int oci_freq_override_eapol_g2;
197  	unsigned int oci_freq_override_ft_assoc;
198  	unsigned int oci_freq_override_fils_assoc;
199  	unsigned int disable_eapol_g2_tx;
200  	unsigned int eapol_2_key_info_set_mask;
201  	bool encrypt_eapol_m2;
202  	bool encrypt_eapol_m4;
203  #endif /* CONFIG_TESTING_OPTIONS */
204  
205  #ifdef CONFIG_FILS
206  	u8 fils_nonce[FILS_NONCE_LEN];
207  	u8 fils_session[FILS_SESSION_LEN];
208  	u8 fils_anonce[FILS_NONCE_LEN];
209  	u8 fils_key_auth_ap[FILS_MAX_KEY_AUTH_LEN];
210  	u8 fils_key_auth_sta[FILS_MAX_KEY_AUTH_LEN];
211  	size_t fils_key_auth_len;
212  	unsigned int fils_completed:1;
213  	unsigned int fils_erp_pmkid_set:1;
214  	unsigned int fils_cache_id_set:1;
215  	u8 fils_erp_pmkid[PMKID_LEN];
216  	u8 fils_cache_id[FILS_CACHE_ID_LEN];
217  	struct crypto_ecdh *fils_ecdh;
218  	int fils_dh_group;
219  	size_t fils_dh_elem_len;
220  	struct wpabuf *fils_ft_ies;
221  	u8 fils_ft[FILS_FT_MAX_LEN];
222  	size_t fils_ft_len;
223  #endif /* CONFIG_FILS */
224  
225  #ifdef CONFIG_OWE
226  	struct crypto_ecdh *owe_ecdh;
227  	u16 owe_group;
228  #endif /* CONFIG_OWE */
229  
230  #ifdef CONFIG_DPP2
231  	struct wpabuf *dpp_z;
232  	int dpp_pfs;
233  #endif /* CONFIG_DPP2 */
234  	struct wpa_sm_mlo mlo;
235  
236  	bool wmm_enabled;
237  	bool driver_bss_selection;
238  	bool ft_prepend_pmkid;
239  
240  	bool rsn_override_support;
241  	enum wpa_rsn_override rsn_override;
242  
243  	u8 last_kck[WPA_KCK_MAX_LEN];
244  	size_t last_kck_len;
245  	size_t last_kck_pmk_len;
246  	unsigned int last_kck_key_mgmt;
247  	int last_kck_eapol_key_ver;
248  	u8 last_kck_aa[ETH_ALEN];
249  	int last_eapol_key_ver;
250  };
251  
252  
wpa_sm_set_state(struct wpa_sm * sm,enum wpa_states state)253  static inline void wpa_sm_set_state(struct wpa_sm *sm, enum wpa_states state)
254  {
255  	WPA_ASSERT(sm->ctx->set_state);
256  	sm->ctx->set_state(sm->ctx->ctx, state);
257  }
258  
wpa_sm_get_state(struct wpa_sm * sm)259  static inline enum wpa_states wpa_sm_get_state(struct wpa_sm *sm)
260  {
261  	WPA_ASSERT(sm->ctx->get_state);
262  	return sm->ctx->get_state(sm->ctx->ctx);
263  }
264  
wpa_sm_deauthenticate(struct wpa_sm * sm,u16 reason_code)265  static inline void wpa_sm_deauthenticate(struct wpa_sm *sm, u16 reason_code)
266  {
267  	WPA_ASSERT(sm->ctx->deauthenticate);
268  	sm->ctx->deauthenticate(sm->ctx->ctx, reason_code);
269  }
270  
wpa_sm_set_key(struct wpa_sm * sm,int link_id,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,enum key_flag key_flag)271  static inline int wpa_sm_set_key(struct wpa_sm *sm, int link_id,
272  				 enum wpa_alg alg, const u8 *addr, int key_idx,
273  				 int set_tx, const u8 *seq, size_t seq_len,
274  				 const u8 *key, size_t key_len,
275  				 enum key_flag key_flag)
276  {
277  	WPA_ASSERT(sm->ctx->set_key);
278  	return sm->ctx->set_key(sm->ctx->ctx, link_id, alg, addr, key_idx,
279  				set_tx, seq, seq_len, key, key_len, key_flag);
280  }
281  
wpa_sm_reconnect(struct wpa_sm * sm)282  static inline void wpa_sm_reconnect(struct wpa_sm *sm)
283  {
284  	WPA_ASSERT(sm->ctx->reconnect);
285  	sm->ctx->reconnect(sm->ctx->ctx);
286  }
287  
wpa_sm_get_network_ctx(struct wpa_sm * sm)288  static inline void * wpa_sm_get_network_ctx(struct wpa_sm *sm)
289  {
290  	WPA_ASSERT(sm->ctx->get_network_ctx);
291  	return sm->ctx->get_network_ctx(sm->ctx->ctx);
292  }
293  
wpa_sm_get_bssid(struct wpa_sm * sm,u8 * bssid)294  static inline int wpa_sm_get_bssid(struct wpa_sm *sm, u8 *bssid)
295  {
296  	WPA_ASSERT(sm->ctx->get_bssid);
297  	return sm->ctx->get_bssid(sm->ctx->ctx, bssid);
298  }
299  
wpa_sm_ether_send(struct wpa_sm * sm,const u8 * dest,u16 proto,const u8 * buf,size_t len)300  static inline int wpa_sm_ether_send(struct wpa_sm *sm, const u8 *dest,
301  				    u16 proto, const u8 *buf, size_t len)
302  {
303  	WPA_ASSERT(sm->ctx->ether_send);
304  	return sm->ctx->ether_send(sm->ctx->ctx, dest, proto, buf, len);
305  }
306  
wpa_sm_get_beacon_ie(struct wpa_sm * sm)307  static inline int wpa_sm_get_beacon_ie(struct wpa_sm *sm)
308  {
309  	WPA_ASSERT(sm->ctx->get_beacon_ie);
310  	return sm->ctx->get_beacon_ie(sm->ctx->ctx);
311  }
312  
wpa_sm_cancel_auth_timeout(struct wpa_sm * sm)313  static inline void wpa_sm_cancel_auth_timeout(struct wpa_sm *sm)
314  {
315  	WPA_ASSERT(sm->ctx->cancel_auth_timeout);
316  	sm->ctx->cancel_auth_timeout(sm->ctx->ctx);
317  }
318  
wpa_sm_alloc_eapol(struct wpa_sm * sm,u8 type,const void * data,u16 data_len,size_t * msg_len,void ** data_pos)319  static inline u8 * wpa_sm_alloc_eapol(struct wpa_sm *sm, u8 type,
320  				      const void *data, u16 data_len,
321  				      size_t *msg_len, void **data_pos)
322  {
323  	WPA_ASSERT(sm->ctx->alloc_eapol);
324  	return sm->ctx->alloc_eapol(sm->ctx->ctx, type, data, data_len,
325  				    msg_len, data_pos);
326  }
327  
wpa_sm_add_pmkid(struct wpa_sm * sm,void * network_ctx,const u8 * bssid,const u8 * pmkid,const u8 * cache_id,const u8 * pmk,size_t pmk_len,u32 pmk_lifetime,u8 pmk_reauth_threshold,int akmp)328  static inline int wpa_sm_add_pmkid(struct wpa_sm *sm, void *network_ctx,
329  				   const u8 *bssid, const u8 *pmkid,
330  				   const u8 *cache_id, const u8 *pmk,
331  				   size_t pmk_len, u32 pmk_lifetime,
332  				   u8 pmk_reauth_threshold, int akmp)
333  {
334  	WPA_ASSERT(sm->ctx->add_pmkid);
335  	return sm->ctx->add_pmkid(sm->ctx->ctx, network_ctx, bssid, pmkid,
336  				  cache_id, pmk, pmk_len, pmk_lifetime,
337  				  pmk_reauth_threshold, akmp);
338  }
339  
wpa_sm_remove_pmkid(struct wpa_sm * sm,void * network_ctx,const u8 * bssid,const u8 * pmkid,const u8 * cache_id)340  static inline int wpa_sm_remove_pmkid(struct wpa_sm *sm, void *network_ctx,
341  				      const u8 *bssid, const u8 *pmkid,
342  				      const u8 *cache_id)
343  {
344  	WPA_ASSERT(sm->ctx->remove_pmkid);
345  	return sm->ctx->remove_pmkid(sm->ctx->ctx, network_ctx, bssid, pmkid,
346  				     cache_id);
347  }
348  
wpa_sm_mlme_setprotection(struct wpa_sm * sm,const u8 * addr,int protect_type,int key_type)349  static inline int wpa_sm_mlme_setprotection(struct wpa_sm *sm, const u8 *addr,
350  					    int protect_type, int key_type)
351  {
352  	WPA_ASSERT(sm->ctx->mlme_setprotection);
353  	return sm->ctx->mlme_setprotection(sm->ctx->ctx, addr, protect_type,
354  					   key_type);
355  }
356  
wpa_sm_update_ft_ies(struct wpa_sm * sm,const u8 * md,const u8 * ies,size_t ies_len)357  static inline int wpa_sm_update_ft_ies(struct wpa_sm *sm, const u8 *md,
358  				       const u8 *ies, size_t ies_len)
359  {
360  	if (sm->ctx->update_ft_ies)
361  		return sm->ctx->update_ft_ies(sm->ctx->ctx, md, ies, ies_len);
362  	return -1;
363  }
364  
wpa_sm_send_ft_action(struct wpa_sm * sm,u8 action,const u8 * target_ap,const u8 * ies,size_t ies_len)365  static inline int wpa_sm_send_ft_action(struct wpa_sm *sm, u8 action,
366  					const u8 *target_ap,
367  					const u8 *ies, size_t ies_len)
368  {
369  	if (sm->ctx->send_ft_action)
370  		return sm->ctx->send_ft_action(sm->ctx->ctx, action, target_ap,
371  					       ies, ies_len);
372  	return -1;
373  }
374  
wpa_sm_mark_authenticated(struct wpa_sm * sm,const u8 * target_ap)375  static inline int wpa_sm_mark_authenticated(struct wpa_sm *sm,
376  					    const u8 *target_ap)
377  {
378  	if (sm->ctx->mark_authenticated)
379  		return sm->ctx->mark_authenticated(sm->ctx->ctx, target_ap);
380  	return -1;
381  }
382  
wpa_sm_set_rekey_offload(struct wpa_sm * sm)383  static inline void wpa_sm_set_rekey_offload(struct wpa_sm *sm)
384  {
385  	if (!sm->ctx->set_rekey_offload)
386  		return;
387  	sm->ctx->set_rekey_offload(sm->ctx->ctx, sm->ptk.kek, sm->ptk.kek_len,
388  				   sm->ptk.kck, sm->ptk.kck_len,
389  				   sm->rx_replay_counter);
390  }
391  
392  #ifdef CONFIG_TDLS
wpa_sm_tdls_get_capa(struct wpa_sm * sm,int * tdls_supported,int * tdls_ext_setup,int * tdls_chan_switch)393  static inline int wpa_sm_tdls_get_capa(struct wpa_sm *sm,
394  				       int *tdls_supported,
395  				       int *tdls_ext_setup,
396  				       int *tdls_chan_switch)
397  {
398  	if (sm->ctx->tdls_get_capa)
399  		return sm->ctx->tdls_get_capa(sm->ctx->ctx, tdls_supported,
400  					      tdls_ext_setup, tdls_chan_switch);
401  	return -1;
402  }
403  
wpa_sm_send_tdls_mgmt(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,int link_id)404  static inline int wpa_sm_send_tdls_mgmt(struct wpa_sm *sm, const u8 *dst,
405  					u8 action_code, u8 dialog_token,
406  					u16 status_code, u32 peer_capab,
407  					int initiator, const u8 *buf,
408  					size_t len, int link_id)
409  {
410  	if (sm->ctx->send_tdls_mgmt)
411  		return sm->ctx->send_tdls_mgmt(sm->ctx->ctx, dst, action_code,
412  					       dialog_token, status_code,
413  					       peer_capab, initiator, buf,
414  					       len, link_id);
415  	return -1;
416  }
417  
wpa_sm_tdls_oper(struct wpa_sm * sm,int oper,const u8 * peer)418  static inline int wpa_sm_tdls_oper(struct wpa_sm *sm, int oper,
419  				   const u8 *peer)
420  {
421  	if (sm->ctx->tdls_oper)
422  		return sm->ctx->tdls_oper(sm->ctx->ctx, oper, peer);
423  	return -1;
424  }
425  
426  static inline int
wpa_sm_tdls_peer_addset(struct wpa_sm * sm,const u8 * addr,int add,u16 aid,u16 capability,const u8 * supp_rates,size_t supp_rates_len,const struct ieee80211_ht_capabilities * ht_capab,const struct ieee80211_vht_capabilities * vht_capab,const struct ieee80211_he_capabilities * he_capab,size_t he_capab_len,const struct ieee80211_he_6ghz_band_cap * he_6ghz_capab,u8 qosinfo,int wmm,const u8 * ext_capab,size_t ext_capab_len,const u8 * supp_channels,size_t supp_channels_len,const u8 * supp_oper_classes,size_t supp_oper_classes_len,const struct ieee80211_eht_capabilities * eht_capab,size_t eht_capab_len,int mld_link_id)427  wpa_sm_tdls_peer_addset(struct wpa_sm *sm, const u8 *addr, int add,
428  			u16 aid, u16 capability, const u8 *supp_rates,
429  			size_t supp_rates_len,
430  			const struct ieee80211_ht_capabilities *ht_capab,
431  			const struct ieee80211_vht_capabilities *vht_capab,
432  			const struct ieee80211_he_capabilities *he_capab,
433  			size_t he_capab_len,
434  			const struct ieee80211_he_6ghz_band_cap *he_6ghz_capab,
435  			u8 qosinfo, int wmm, const u8 *ext_capab,
436  			size_t ext_capab_len, const u8 *supp_channels,
437  			size_t supp_channels_len, const u8 *supp_oper_classes,
438  			size_t supp_oper_classes_len,
439  			const struct ieee80211_eht_capabilities *eht_capab,
440  			size_t eht_capab_len, int mld_link_id)
441  {
442  	if (sm->ctx->tdls_peer_addset)
443  		return sm->ctx->tdls_peer_addset(sm->ctx->ctx, addr, add,
444  						 aid, capability, supp_rates,
445  						 supp_rates_len, ht_capab,
446  						 vht_capab,
447  						 he_capab, he_capab_len,
448  						 he_6ghz_capab, qosinfo, wmm,
449  						 ext_capab, ext_capab_len,
450  						 supp_channels,
451  						 supp_channels_len,
452  						 supp_oper_classes,
453  						 supp_oper_classes_len,
454  						 eht_capab, eht_capab_len,
455  						 mld_link_id);
456  	return -1;
457  }
458  
459  static inline int
wpa_sm_tdls_enable_channel_switch(struct wpa_sm * sm,const u8 * addr,u8 oper_class,const struct hostapd_freq_params * freq_params)460  wpa_sm_tdls_enable_channel_switch(struct wpa_sm *sm, const u8 *addr,
461  				  u8 oper_class,
462  				  const struct hostapd_freq_params *freq_params)
463  {
464  	if (sm->ctx->tdls_enable_channel_switch)
465  		return sm->ctx->tdls_enable_channel_switch(sm->ctx->ctx, addr,
466  							   oper_class,
467  							   freq_params);
468  	return -1;
469  }
470  
471  static inline int
wpa_sm_tdls_disable_channel_switch(struct wpa_sm * sm,const u8 * addr)472  wpa_sm_tdls_disable_channel_switch(struct wpa_sm *sm, const u8 *addr)
473  {
474  	if (sm->ctx->tdls_disable_channel_switch)
475  		return sm->ctx->tdls_disable_channel_switch(sm->ctx->ctx, addr);
476  	return -1;
477  }
478  #endif /* CONFIG_TDLS */
479  
wpa_sm_key_mgmt_set_pmk(struct wpa_sm * sm,const u8 * pmk,size_t pmk_len)480  static inline int wpa_sm_key_mgmt_set_pmk(struct wpa_sm *sm,
481  					  const u8 *pmk, size_t pmk_len)
482  {
483  	if (!sm->ctx->key_mgmt_set_pmk)
484  		return -1;
485  	return sm->ctx->key_mgmt_set_pmk(sm->ctx->ctx, pmk, pmk_len);
486  }
487  
wpa_sm_fils_hlp_rx(struct wpa_sm * sm,const u8 * dst,const u8 * src,const u8 * pkt,size_t pkt_len)488  static inline void wpa_sm_fils_hlp_rx(struct wpa_sm *sm,
489  				      const u8 *dst, const u8 *src,
490  				      const u8 *pkt, size_t pkt_len)
491  {
492  	if (sm->ctx->fils_hlp_rx)
493  		sm->ctx->fils_hlp_rx(sm->ctx->ctx, dst, src, pkt, pkt_len);
494  }
495  
wpa_sm_channel_info(struct wpa_sm * sm,struct wpa_channel_info * ci)496  static inline int wpa_sm_channel_info(struct wpa_sm *sm,
497  				      struct wpa_channel_info *ci)
498  {
499  	if (!sm->ctx->channel_info)
500  		return -1;
501  	return sm->ctx->channel_info(sm->ctx->ctx, ci);
502  }
503  
wpa_sm_transition_disable(struct wpa_sm * sm,u8 bitmap)504  static inline void wpa_sm_transition_disable(struct wpa_sm *sm, u8 bitmap)
505  {
506  	if (sm->ctx->transition_disable)
507  		sm->ctx->transition_disable(sm->ctx->ctx, bitmap);
508  }
509  
wpa_sm_store_ptk(struct wpa_sm * sm,const u8 * addr,int cipher,u32 life_time,struct wpa_ptk * ptk)510  static inline void wpa_sm_store_ptk(struct wpa_sm *sm,
511  				    const u8 *addr, int cipher,
512  				    u32 life_time, struct wpa_ptk *ptk)
513  {
514  	if (sm->ctx->store_ptk)
515  		sm->ctx->store_ptk(sm->ctx->ctx, addr, cipher, life_time,
516  				   ptk);
517  }
518  
519  #ifdef CONFIG_PASN
wpa_sm_set_ltf_keyseed(struct wpa_sm * sm,const u8 * own_addr,const u8 * peer_addr,size_t ltf_keyseed_len,const u8 * ltf_keyseed)520  static inline int wpa_sm_set_ltf_keyseed(struct wpa_sm *sm, const u8 *own_addr,
521  					 const u8 *peer_addr,
522  					 size_t ltf_keyseed_len,
523  					 const u8 *ltf_keyseed)
524  {
525  	WPA_ASSERT(sm->ctx->set_ltf_keyseed);
526  	return sm->ctx->set_ltf_keyseed(sm->ctx->ctx, own_addr, peer_addr,
527  					ltf_keyseed_len, ltf_keyseed);
528  }
529  #endif /* CONFIG_PASN */
530  
531  static inline void
wpa_sm_notify_pmksa_cache_entry(struct wpa_sm * sm,struct rsn_pmksa_cache_entry * entry)532  wpa_sm_notify_pmksa_cache_entry(struct wpa_sm *sm,
533  				struct rsn_pmksa_cache_entry *entry)
534  {
535  	if (sm->ctx->notify_pmksa_cache_entry)
536  		sm->ctx->notify_pmksa_cache_entry(sm->ctx->ctx, entry);
537  }
538  
wpa_sm_ssid_verified(struct wpa_sm * sm)539  static inline void wpa_sm_ssid_verified(struct wpa_sm *sm)
540  {
541  	if (sm->ctx->ssid_verified)
542  		sm->ctx->ssid_verified(sm->ctx->ctx);
543  }
544  
545  int wpa_eapol_key_send(struct wpa_sm *sm, struct wpa_ptk *ptk,
546  		       int ver, const u8 *dest, u16 proto,
547  		       u8 *msg, size_t msg_len, u8 *key_mic);
548  int wpa_supplicant_send_2_of_4(struct wpa_sm *sm, const unsigned char *dst,
549  			       const struct wpa_eapol_key *key,
550  			       int ver, const u8 *nonce,
551  			       const u8 *wpa_ie, size_t wpa_ie_len,
552  			       struct wpa_ptk *ptk);
553  int wpa_supplicant_send_4_of_4(struct wpa_sm *sm, const unsigned char *dst,
554  			       const struct wpa_eapol_key *key,
555  			       u16 ver, u16 key_info,
556  			       struct wpa_ptk *ptk);
557  
558  int wpa_derive_ptk_ft(struct wpa_sm *sm, const unsigned char *src_addr,
559  		      const struct wpa_eapol_key *key, struct wpa_ptk *ptk);
560  
561  void wpa_tdls_assoc(struct wpa_sm *sm);
562  void wpa_tdls_disassoc(struct wpa_sm *sm);
563  bool wpa_sm_rsn_overriding_supported(struct wpa_sm *sm);
564  
565  #endif /* WPA_I_H */
566