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      1 /*
      2  * hostapd - Driver operations
      3  * Copyright (c) 2009-2014, Jouni Malinen <j (at) 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 AP_DRV_OPS
     10 #define AP_DRV_OPS
     11 
     12 enum wpa_driver_if_type;
     13 struct wpa_bss_params;
     14 struct wpa_driver_scan_params;
     15 struct ieee80211_ht_capabilities;
     16 struct ieee80211_vht_capabilities;
     17 struct hostapd_freq_params;
     18 
     19 u32 hostapd_sta_flags_to_drv(u32 flags);
     20 int hostapd_build_ap_extra_ies(struct hostapd_data *hapd,
     21 			       struct wpabuf **beacon,
     22 			       struct wpabuf **proberesp,
     23 			       struct wpabuf **assocresp);
     24 void hostapd_free_ap_extra_ies(struct hostapd_data *hapd, struct wpabuf *beacon,
     25 			       struct wpabuf *proberesp,
     26 			       struct wpabuf *assocresp);
     27 int hostapd_set_ap_wps_ie(struct hostapd_data *hapd);
     28 int hostapd_set_authorized(struct hostapd_data *hapd,
     29 			   struct sta_info *sta, int authorized);
     30 int hostapd_set_sta_flags(struct hostapd_data *hapd, struct sta_info *sta);
     31 int hostapd_set_drv_ieee8021x(struct hostapd_data *hapd, const char *ifname,
     32 			      int enabled);
     33 int hostapd_vlan_if_add(struct hostapd_data *hapd, const char *ifname);
     34 int hostapd_vlan_if_remove(struct hostapd_data *hapd, const char *ifname);
     35 int hostapd_set_wds_sta(struct hostapd_data *hapd, char *ifname_wds,
     36 			const u8 *addr, int aid, int val);
     37 int hostapd_sta_add(struct hostapd_data *hapd,
     38 		    const u8 *addr, u16 aid, u16 capability,
     39 		    const u8 *supp_rates, size_t supp_rates_len,
     40 		    u16 listen_interval,
     41 		    const struct ieee80211_ht_capabilities *ht_capab,
     42 		    const struct ieee80211_vht_capabilities *vht_capab,
     43 		    u32 flags, u8 qosinfo, u8 vht_opmode);
     44 int hostapd_set_privacy(struct hostapd_data *hapd, int enabled);
     45 int hostapd_set_generic_elem(struct hostapd_data *hapd, const u8 *elem,
     46 			     size_t elem_len);
     47 int hostapd_get_ssid(struct hostapd_data *hapd, u8 *buf, size_t len);
     48 int hostapd_set_ssid(struct hostapd_data *hapd, const u8 *buf, size_t len);
     49 int hostapd_if_add(struct hostapd_data *hapd, enum wpa_driver_if_type type,
     50 		   const char *ifname, const u8 *addr, void *bss_ctx,
     51 		   void **drv_priv, char *force_ifname, u8 *if_addr,
     52 		   const char *bridge, int use_existing);
     53 int hostapd_if_remove(struct hostapd_data *hapd, enum wpa_driver_if_type type,
     54 		      const char *ifname);
     55 int hostapd_set_ieee8021x(struct hostapd_data *hapd,
     56 			  struct wpa_bss_params *params);
     57 int hostapd_get_seqnum(const char *ifname, struct hostapd_data *hapd,
     58 		       const u8 *addr, int idx, u8 *seq);
     59 int hostapd_flush(struct hostapd_data *hapd);
     60 int hostapd_set_freq(struct hostapd_data *hapd, int mode, int freq,
     61 		     int channel, int ht_enabled, int vht_enabled,
     62 		     int sec_channel_offset, int vht_oper_chwidth,
     63 		     int center_segment0, int center_segment1);
     64 int hostapd_set_rts(struct hostapd_data *hapd, int rts);
     65 int hostapd_set_frag(struct hostapd_data *hapd, int frag);
     66 int hostapd_sta_set_flags(struct hostapd_data *hapd, u8 *addr,
     67 			  int total_flags, int flags_or, int flags_and);
     68 int hostapd_set_country(struct hostapd_data *hapd, const char *country);
     69 int hostapd_set_tx_queue_params(struct hostapd_data *hapd, int queue, int aifs,
     70 				int cw_min, int cw_max, int burst_time);
     71 struct hostapd_hw_modes *
     72 hostapd_get_hw_feature_data(struct hostapd_data *hapd, u16 *num_modes,
     73 			    u16 *flags);
     74 int hostapd_driver_commit(struct hostapd_data *hapd);
     75 int hostapd_drv_none(struct hostapd_data *hapd);
     76 int hostapd_driver_scan(struct hostapd_data *hapd,
     77 			struct wpa_driver_scan_params *params);
     78 struct wpa_scan_results * hostapd_driver_get_scan_results(
     79 	struct hostapd_data *hapd);
     80 int hostapd_driver_set_noa(struct hostapd_data *hapd, u8 count, int start,
     81 			   int duration);
     82 int hostapd_drv_set_key(const char *ifname,
     83 			struct hostapd_data *hapd,
     84 			enum wpa_alg alg, const u8 *addr,
     85 			int key_idx, int set_tx,
     86 			const u8 *seq, size_t seq_len,
     87 			const u8 *key, size_t key_len);
     88 int hostapd_drv_send_mlme(struct hostapd_data *hapd,
     89 			  const void *msg, size_t len, int noack);
     90 int hostapd_drv_sta_deauth(struct hostapd_data *hapd,
     91 			   const u8 *addr, int reason);
     92 int hostapd_drv_sta_disassoc(struct hostapd_data *hapd,
     93 			     const u8 *addr, int reason);
     94 int hostapd_drv_send_action(struct hostapd_data *hapd, unsigned int freq,
     95 			    unsigned int wait, const u8 *dst, const u8 *data,
     96 			    size_t len);
     97 int hostapd_add_sta_node(struct hostapd_data *hapd, const u8 *addr,
     98 			 u16 auth_alg);
     99 int hostapd_sta_auth(struct hostapd_data *hapd, const u8 *addr,
    100 		     u16 seq, u16 status, const u8 *ie, size_t len);
    101 int hostapd_sta_assoc(struct hostapd_data *hapd, const u8 *addr,
    102 		      int reassoc, u16 status, const u8 *ie, size_t len);
    103 int hostapd_add_tspec(struct hostapd_data *hapd, const u8 *addr,
    104 		      u8 *tspec_ie, size_t tspec_ielen);
    105 int hostapd_start_dfs_cac(struct hostapd_iface *iface, int mode, int freq,
    106 			  int channel, int ht_enabled, int vht_enabled,
    107 			  int sec_channel_offset, int vht_oper_chwidth,
    108 			  int center_segment0, int center_segment1);
    109 int hostapd_set_freq_params(struct hostapd_freq_params *data, int mode,
    110 			    int freq, int channel, int ht_enabled,
    111 			    int vht_enabled, int sec_channel_offset,
    112 			    int vht_oper_chwidth, int center_segment0,
    113 			    int center_segment1, u32 vht_caps);
    114 
    115 
    116 #include "drivers/driver.h"
    117 
    118 int hostapd_drv_wnm_oper(struct hostapd_data *hapd,
    119 			 enum wnm_oper oper, const u8 *peer,
    120 			 u8 *buf, u16 *buf_len);
    121 
    122 int hostapd_drv_set_qos_map(struct hostapd_data *hapd, const u8 *qos_map_set,
    123 			    u8 qos_map_set_len);
    124 
    125 static inline int hostapd_drv_set_countermeasures(struct hostapd_data *hapd,
    126 						  int enabled)
    127 {
    128 	if (hapd->driver == NULL ||
    129 	    hapd->driver->hapd_set_countermeasures == NULL)
    130 		return 0;
    131 	return hapd->driver->hapd_set_countermeasures(hapd->drv_priv, enabled);
    132 }
    133 
    134 static inline int hostapd_drv_set_sta_vlan(const char *ifname,
    135 					   struct hostapd_data *hapd,
    136 					   const u8 *addr, int vlan_id)
    137 {
    138 	if (hapd->driver == NULL || hapd->driver->set_sta_vlan == NULL)
    139 		return 0;
    140 	return hapd->driver->set_sta_vlan(hapd->drv_priv, addr, ifname,
    141 					  vlan_id);
    142 }
    143 
    144 static inline int hostapd_drv_get_inact_sec(struct hostapd_data *hapd,
    145 					    const u8 *addr)
    146 {
    147 	if (hapd->driver == NULL || hapd->driver->get_inact_sec == NULL)
    148 		return 0;
    149 	return hapd->driver->get_inact_sec(hapd->drv_priv, addr);
    150 }
    151 
    152 static inline int hostapd_drv_sta_remove(struct hostapd_data *hapd,
    153 					 const u8 *addr)
    154 {
    155 	if (hapd->driver == NULL || hapd->driver->sta_remove == NULL)
    156 		return 0;
    157 	return hapd->driver->sta_remove(hapd->drv_priv, addr);
    158 }
    159 
    160 static inline int hostapd_drv_hapd_send_eapol(struct hostapd_data *hapd,
    161 					      const u8 *addr, const u8 *data,
    162 					      size_t data_len, int encrypt,
    163 					      u32 flags)
    164 {
    165 	if (hapd->driver == NULL || hapd->driver->hapd_send_eapol == NULL)
    166 		return 0;
    167 	return hapd->driver->hapd_send_eapol(hapd->drv_priv, addr, data,
    168 					     data_len, encrypt,
    169 					     hapd->own_addr, flags);
    170 }
    171 
    172 static inline int hostapd_drv_read_sta_data(
    173 	struct hostapd_data *hapd, struct hostap_sta_driver_data *data,
    174 	const u8 *addr)
    175 {
    176 	if (hapd->driver == NULL || hapd->driver->read_sta_data == NULL)
    177 		return -1;
    178 	return hapd->driver->read_sta_data(hapd->drv_priv, data, addr);
    179 }
    180 
    181 static inline int hostapd_drv_sta_clear_stats(struct hostapd_data *hapd,
    182 					      const u8 *addr)
    183 {
    184 	if (hapd->driver == NULL || hapd->driver->sta_clear_stats == NULL)
    185 		return 0;
    186 	return hapd->driver->sta_clear_stats(hapd->drv_priv, addr);
    187 }
    188 
    189 static inline int hostapd_drv_set_acl(struct hostapd_data *hapd,
    190 				      struct hostapd_acl_params *params)
    191 {
    192 	if (hapd->driver == NULL || hapd->driver->set_acl == NULL)
    193 		return 0;
    194 	return hapd->driver->set_acl(hapd->drv_priv, params);
    195 }
    196 
    197 static inline int hostapd_drv_set_ap(struct hostapd_data *hapd,
    198 				     struct wpa_driver_ap_params *params)
    199 {
    200 	if (hapd->driver == NULL || hapd->driver->set_ap == NULL)
    201 		return 0;
    202 	return hapd->driver->set_ap(hapd->drv_priv, params);
    203 }
    204 
    205 static inline int hostapd_drv_set_radius_acl_auth(struct hostapd_data *hapd,
    206 						  const u8 *mac, int accepted,
    207 						  u32 session_timeout)
    208 {
    209 	if (hapd->driver == NULL || hapd->driver->set_radius_acl_auth == NULL)
    210 		return 0;
    211 	return hapd->driver->set_radius_acl_auth(hapd->drv_priv, mac, accepted,
    212 						 session_timeout);
    213 }
    214 
    215 static inline int hostapd_drv_set_radius_acl_expire(struct hostapd_data *hapd,
    216 						    const u8 *mac)
    217 {
    218 	if (hapd->driver == NULL ||
    219 	    hapd->driver->set_radius_acl_expire == NULL)
    220 		return 0;
    221 	return hapd->driver->set_radius_acl_expire(hapd->drv_priv, mac);
    222 }
    223 
    224 static inline int hostapd_drv_set_authmode(struct hostapd_data *hapd,
    225 					   int auth_algs)
    226 {
    227 	if (hapd->driver == NULL || hapd->driver->set_authmode == NULL)
    228 		return 0;
    229 	return hapd->driver->set_authmode(hapd->drv_priv, auth_algs);
    230 }
    231 
    232 static inline void hostapd_drv_poll_client(struct hostapd_data *hapd,
    233 					   const u8 *own_addr, const u8 *addr,
    234 					   int qos)
    235 {
    236 	if (hapd->driver == NULL || hapd->driver->poll_client == NULL)
    237 		return;
    238 	hapd->driver->poll_client(hapd->drv_priv, own_addr, addr, qos);
    239 }
    240 
    241 static inline int hostapd_drv_get_survey(struct hostapd_data *hapd,
    242 					 unsigned int freq)
    243 {
    244 	if (hapd->driver == NULL)
    245 		return -1;
    246 	if (!hapd->driver->get_survey)
    247 		return -1;
    248 	return hapd->driver->get_survey(hapd->drv_priv, freq);
    249 }
    250 
    251 static inline int hostapd_get_country(struct hostapd_data *hapd, char *alpha2)
    252 {
    253 	if (hapd->driver == NULL || hapd->driver->get_country == NULL)
    254 		return -1;
    255 	return hapd->driver->get_country(hapd->drv_priv, alpha2);
    256 }
    257 
    258 static inline const char * hostapd_drv_get_radio_name(struct hostapd_data *hapd)
    259 {
    260 	if (hapd->driver == NULL || hapd->drv_priv == NULL ||
    261 	    hapd->driver->get_radio_name == NULL)
    262 		return NULL;
    263 	return hapd->driver->get_radio_name(hapd->drv_priv);
    264 }
    265 
    266 static inline int hostapd_drv_switch_channel(struct hostapd_data *hapd,
    267 					     struct csa_settings *settings)
    268 {
    269 	if (hapd->driver == NULL || hapd->driver->switch_channel == NULL)
    270 		return -ENOTSUP;
    271 
    272 	return hapd->driver->switch_channel(hapd->drv_priv, settings);
    273 }
    274 
    275 static inline int hostapd_drv_status(struct hostapd_data *hapd, char *buf,
    276 				     size_t buflen)
    277 {
    278 	if (hapd->driver == NULL || hapd->driver->status == NULL)
    279 		return -1;
    280 	return hapd->driver->status(hapd->drv_priv, buf, buflen);
    281 }
    282 
    283 static inline int hostapd_drv_vendor_cmd(struct hostapd_data *hapd,
    284 					 int vendor_id, int subcmd,
    285 					 const u8 *data, size_t data_len,
    286 					 struct wpabuf *buf)
    287 {
    288 	if (hapd->driver == NULL || hapd->driver->vendor_cmd == NULL)
    289 		return -1;
    290 	return hapd->driver->vendor_cmd(hapd->drv_priv, vendor_id, subcmd, data,
    291 					data_len, buf);
    292 }
    293 
    294 #endif /* AP_DRV_OPS */
    295