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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_reset_ap_wps_ie(struct hostapd_data *hapd);
     28 int hostapd_set_ap_wps_ie(struct hostapd_data *hapd);
     29 int hostapd_set_authorized(struct hostapd_data *hapd,
     30 			   struct sta_info *sta, int authorized);
     31 int hostapd_set_sta_flags(struct hostapd_data *hapd, struct sta_info *sta);
     32 int hostapd_set_drv_ieee8021x(struct hostapd_data *hapd, const char *ifname,
     33 			      int enabled);
     34 int hostapd_vlan_if_add(struct hostapd_data *hapd, const char *ifname);
     35 int hostapd_vlan_if_remove(struct hostapd_data *hapd, const char *ifname);
     36 int hostapd_set_wds_sta(struct hostapd_data *hapd, char *ifname_wds,
     37 			const u8 *addr, int aid, int val);
     38 int hostapd_sta_add(struct hostapd_data *hapd,
     39 		    const u8 *addr, u16 aid, u16 capability,
     40 		    const u8 *supp_rates, size_t supp_rates_len,
     41 		    u16 listen_interval,
     42 		    const struct ieee80211_ht_capabilities *ht_capab,
     43 		    const struct ieee80211_vht_capabilities *vht_capab,
     44 		    u32 flags, u8 qosinfo, u8 vht_opmode, int supp_p2p_ps,
     45 		    int set);
     46 int hostapd_set_privacy(struct hostapd_data *hapd, int enabled);
     47 int hostapd_set_generic_elem(struct hostapd_data *hapd, const u8 *elem,
     48 			     size_t elem_len);
     49 int hostapd_get_ssid(struct hostapd_data *hapd, u8 *buf, size_t len);
     50 int hostapd_set_ssid(struct hostapd_data *hapd, const u8 *buf, size_t len);
     51 int hostapd_if_add(struct hostapd_data *hapd, enum wpa_driver_if_type type,
     52 		   const char *ifname, const u8 *addr, void *bss_ctx,
     53 		   void **drv_priv, char *force_ifname, u8 *if_addr,
     54 		   const char *bridge, int use_existing);
     55 int hostapd_if_remove(struct hostapd_data *hapd, enum wpa_driver_if_type type,
     56 		      const char *ifname);
     57 int hostapd_set_ieee8021x(struct hostapd_data *hapd,
     58 			  struct wpa_bss_params *params);
     59 int hostapd_get_seqnum(const char *ifname, struct hostapd_data *hapd,
     60 		       const u8 *addr, int idx, u8 *seq);
     61 int hostapd_flush(struct hostapd_data *hapd);
     62 int hostapd_set_freq(struct hostapd_data *hapd, enum hostapd_hw_mode mode,
     63 		     int freq, int channel, int ht_enabled, int vht_enabled,
     64 		     int sec_channel_offset, int vht_oper_chwidth,
     65 		     int center_segment0, int center_segment1);
     66 int hostapd_set_rts(struct hostapd_data *hapd, int rts);
     67 int hostapd_set_frag(struct hostapd_data *hapd, int frag);
     68 int hostapd_sta_set_flags(struct hostapd_data *hapd, u8 *addr,
     69 			  int total_flags, int flags_or, int flags_and);
     70 int hostapd_set_country(struct hostapd_data *hapd, const char *country);
     71 int hostapd_set_tx_queue_params(struct hostapd_data *hapd, int queue, int aifs,
     72 				int cw_min, int cw_max, int burst_time);
     73 struct hostapd_hw_modes *
     74 hostapd_get_hw_feature_data(struct hostapd_data *hapd, u16 *num_modes,
     75 			    u16 *flags);
     76 int hostapd_driver_commit(struct hostapd_data *hapd);
     77 int hostapd_drv_none(struct hostapd_data *hapd);
     78 int hostapd_driver_scan(struct hostapd_data *hapd,
     79 			struct wpa_driver_scan_params *params);
     80 struct wpa_scan_results * hostapd_driver_get_scan_results(
     81 	struct hostapd_data *hapd);
     82 int hostapd_driver_set_noa(struct hostapd_data *hapd, u8 count, int start,
     83 			   int duration);
     84 int hostapd_drv_set_key(const char *ifname,
     85 			struct hostapd_data *hapd,
     86 			enum wpa_alg alg, const u8 *addr,
     87 			int key_idx, int set_tx,
     88 			const u8 *seq, size_t seq_len,
     89 			const u8 *key, size_t key_len);
     90 int hostapd_drv_send_mlme(struct hostapd_data *hapd,
     91 			  const void *msg, size_t len, int noack);
     92 int hostapd_drv_send_mlme_csa(struct hostapd_data *hapd,
     93 			      const void *msg, size_t len, int noack,
     94 			      const u16 *csa_offs, size_t csa_offs_len);
     95 int hostapd_drv_sta_deauth(struct hostapd_data *hapd,
     96 			   const u8 *addr, int reason);
     97 int hostapd_drv_sta_disassoc(struct hostapd_data *hapd,
     98 			     const u8 *addr, int reason);
     99 int hostapd_drv_send_action(struct hostapd_data *hapd, unsigned int freq,
    100 			    unsigned int wait, const u8 *dst, const u8 *data,
    101 			    size_t len);
    102 int hostapd_drv_send_action_addr3_ap(struct hostapd_data *hapd,
    103 				     unsigned int freq,
    104 				     unsigned int wait, const u8 *dst,
    105 				     const u8 *data, size_t len);
    106 int hostapd_add_sta_node(struct hostapd_data *hapd, const u8 *addr,
    107 			 u16 auth_alg);
    108 int hostapd_sta_auth(struct hostapd_data *hapd, const u8 *addr,
    109 		     u16 seq, u16 status, const u8 *ie, size_t len);
    110 int hostapd_sta_assoc(struct hostapd_data *hapd, const u8 *addr,
    111 		      int reassoc, u16 status, const u8 *ie, size_t len);
    112 int hostapd_add_tspec(struct hostapd_data *hapd, const u8 *addr,
    113 		      u8 *tspec_ie, size_t tspec_ielen);
    114 int hostapd_start_dfs_cac(struct hostapd_iface *iface,
    115 			  enum hostapd_hw_mode mode, int freq,
    116 			  int channel, int ht_enabled, int vht_enabled,
    117 			  int sec_channel_offset, int vht_oper_chwidth,
    118 			  int center_segment0, int center_segment1);
    119 int hostapd_drv_do_acs(struct hostapd_data *hapd);
    120 
    121 
    122 #include "drivers/driver.h"
    123 
    124 int hostapd_drv_wnm_oper(struct hostapd_data *hapd,
    125 			 enum wnm_oper oper, const u8 *peer,
    126 			 u8 *buf, u16 *buf_len);
    127 
    128 int hostapd_drv_set_qos_map(struct hostapd_data *hapd, const u8 *qos_map_set,
    129 			    u8 qos_map_set_len);
    130 
    131 void hostapd_get_ext_capa(struct hostapd_iface *iface);
    132 
    133 static inline int hostapd_drv_set_countermeasures(struct hostapd_data *hapd,
    134 						  int enabled)
    135 {
    136 	if (hapd->driver == NULL ||
    137 	    hapd->driver->hapd_set_countermeasures == NULL)
    138 		return 0;
    139 	return hapd->driver->hapd_set_countermeasures(hapd->drv_priv, enabled);
    140 }
    141 
    142 static inline int hostapd_drv_set_sta_vlan(const char *ifname,
    143 					   struct hostapd_data *hapd,
    144 					   const u8 *addr, int vlan_id)
    145 {
    146 	if (hapd->driver == NULL || hapd->driver->set_sta_vlan == NULL)
    147 		return 0;
    148 	return hapd->driver->set_sta_vlan(hapd->drv_priv, addr, ifname,
    149 					  vlan_id);
    150 }
    151 
    152 static inline int hostapd_drv_get_inact_sec(struct hostapd_data *hapd,
    153 					    const u8 *addr)
    154 {
    155 	if (hapd->driver == NULL || hapd->driver->get_inact_sec == NULL)
    156 		return 0;
    157 	return hapd->driver->get_inact_sec(hapd->drv_priv, addr);
    158 }
    159 
    160 static inline int hostapd_drv_sta_remove(struct hostapd_data *hapd,
    161 					 const u8 *addr)
    162 {
    163 	if (!hapd->driver || !hapd->driver->sta_remove || !hapd->drv_priv)
    164 		return 0;
    165 	return hapd->driver->sta_remove(hapd->drv_priv, addr);
    166 }
    167 
    168 static inline int hostapd_drv_hapd_send_eapol(struct hostapd_data *hapd,
    169 					      const u8 *addr, const u8 *data,
    170 					      size_t data_len, int encrypt,
    171 					      u32 flags)
    172 {
    173 	if (hapd->driver == NULL || hapd->driver->hapd_send_eapol == NULL)
    174 		return 0;
    175 	return hapd->driver->hapd_send_eapol(hapd->drv_priv, addr, data,
    176 					     data_len, encrypt,
    177 					     hapd->own_addr, flags);
    178 }
    179 
    180 static inline int hostapd_drv_read_sta_data(
    181 	struct hostapd_data *hapd, struct hostap_sta_driver_data *data,
    182 	const u8 *addr)
    183 {
    184 	if (hapd->driver == NULL || hapd->driver->read_sta_data == NULL)
    185 		return -1;
    186 	return hapd->driver->read_sta_data(hapd->drv_priv, data, addr);
    187 }
    188 
    189 static inline int hostapd_drv_sta_clear_stats(struct hostapd_data *hapd,
    190 					      const u8 *addr)
    191 {
    192 	if (hapd->driver == NULL || hapd->driver->sta_clear_stats == NULL)
    193 		return 0;
    194 	return hapd->driver->sta_clear_stats(hapd->drv_priv, addr);
    195 }
    196 
    197 static inline int hostapd_drv_set_acl(struct hostapd_data *hapd,
    198 				      struct hostapd_acl_params *params)
    199 {
    200 	if (hapd->driver == NULL || hapd->driver->set_acl == NULL)
    201 		return 0;
    202 	return hapd->driver->set_acl(hapd->drv_priv, params);
    203 }
    204 
    205 static inline int hostapd_drv_set_ap(struct hostapd_data *hapd,
    206 				     struct wpa_driver_ap_params *params)
    207 {
    208 	if (hapd->driver == NULL || hapd->driver->set_ap == NULL)
    209 		return 0;
    210 	return hapd->driver->set_ap(hapd->drv_priv, params);
    211 }
    212 
    213 static inline int hostapd_drv_set_radius_acl_auth(struct hostapd_data *hapd,
    214 						  const u8 *mac, int accepted,
    215 						  u32 session_timeout)
    216 {
    217 	if (hapd->driver == NULL || hapd->driver->set_radius_acl_auth == NULL)
    218 		return 0;
    219 	return hapd->driver->set_radius_acl_auth(hapd->drv_priv, mac, accepted,
    220 						 session_timeout);
    221 }
    222 
    223 static inline int hostapd_drv_set_radius_acl_expire(struct hostapd_data *hapd,
    224 						    const u8 *mac)
    225 {
    226 	if (hapd->driver == NULL ||
    227 	    hapd->driver->set_radius_acl_expire == NULL)
    228 		return 0;
    229 	return hapd->driver->set_radius_acl_expire(hapd->drv_priv, mac);
    230 }
    231 
    232 static inline int hostapd_drv_set_authmode(struct hostapd_data *hapd,
    233 					   int auth_algs)
    234 {
    235 	if (hapd->driver == NULL || hapd->driver->set_authmode == NULL)
    236 		return 0;
    237 	return hapd->driver->set_authmode(hapd->drv_priv, auth_algs);
    238 }
    239 
    240 static inline void hostapd_drv_poll_client(struct hostapd_data *hapd,
    241 					   const u8 *own_addr, const u8 *addr,
    242 					   int qos)
    243 {
    244 	if (hapd->driver == NULL || hapd->driver->poll_client == NULL)
    245 		return;
    246 	hapd->driver->poll_client(hapd->drv_priv, own_addr, addr, qos);
    247 }
    248 
    249 static inline int hostapd_drv_get_survey(struct hostapd_data *hapd,
    250 					 unsigned int freq)
    251 {
    252 	if (hapd->driver == NULL)
    253 		return -1;
    254 	if (!hapd->driver->get_survey)
    255 		return -1;
    256 	return hapd->driver->get_survey(hapd->drv_priv, freq);
    257 }
    258 
    259 static inline int hostapd_get_country(struct hostapd_data *hapd, char *alpha2)
    260 {
    261 	if (hapd->driver == NULL || hapd->driver->get_country == NULL)
    262 		return -1;
    263 	return hapd->driver->get_country(hapd->drv_priv, alpha2);
    264 }
    265 
    266 static inline const char * hostapd_drv_get_radio_name(struct hostapd_data *hapd)
    267 {
    268 	if (hapd->driver == NULL || hapd->drv_priv == NULL ||
    269 	    hapd->driver->get_radio_name == NULL)
    270 		return NULL;
    271 	return hapd->driver->get_radio_name(hapd->drv_priv);
    272 }
    273 
    274 static inline int hostapd_drv_switch_channel(struct hostapd_data *hapd,
    275 					     struct csa_settings *settings)
    276 {
    277 	if (hapd->driver == NULL || hapd->driver->switch_channel == NULL)
    278 		return -ENOTSUP;
    279 
    280 	return hapd->driver->switch_channel(hapd->drv_priv, settings);
    281 }
    282 
    283 static inline int hostapd_drv_status(struct hostapd_data *hapd, char *buf,
    284 				     size_t buflen)
    285 {
    286 	if (!hapd->driver || !hapd->driver->status || !hapd->drv_priv)
    287 		return -1;
    288 	return hapd->driver->status(hapd->drv_priv, buf, buflen);
    289 }
    290 
    291 static inline int hostapd_drv_br_add_ip_neigh(struct hostapd_data *hapd,
    292 					      int version, const u8 *ipaddr,
    293 					      int prefixlen, const u8 *addr)
    294 {
    295 	if (hapd->driver == NULL || hapd->drv_priv == NULL ||
    296 	    hapd->driver->br_add_ip_neigh == NULL)
    297 		return -1;
    298 	return hapd->driver->br_add_ip_neigh(hapd->drv_priv, version, ipaddr,
    299 					     prefixlen, addr);
    300 }
    301 
    302 static inline int hostapd_drv_br_delete_ip_neigh(struct hostapd_data *hapd,
    303 						 u8 version, const u8 *ipaddr)
    304 {
    305 	if (hapd->driver == NULL || hapd->drv_priv == NULL ||
    306 	    hapd->driver->br_delete_ip_neigh == NULL)
    307 		return -1;
    308 	return hapd->driver->br_delete_ip_neigh(hapd->drv_priv, version,
    309 						ipaddr);
    310 }
    311 
    312 static inline int hostapd_drv_br_port_set_attr(struct hostapd_data *hapd,
    313 					       enum drv_br_port_attr attr,
    314 					       unsigned int val)
    315 {
    316 	if (hapd->driver == NULL || hapd->drv_priv == NULL ||
    317 	    hapd->driver->br_port_set_attr == NULL)
    318 		return -1;
    319 	return hapd->driver->br_port_set_attr(hapd->drv_priv, attr, val);
    320 }
    321 
    322 static inline int hostapd_drv_br_set_net_param(struct hostapd_data *hapd,
    323 					       enum drv_br_net_param param,
    324 					       unsigned int val)
    325 {
    326 	if (hapd->driver == NULL || hapd->drv_priv == NULL ||
    327 	    hapd->driver->br_set_net_param == NULL)
    328 		return -1;
    329 	return hapd->driver->br_set_net_param(hapd->drv_priv, param, val);
    330 }
    331 
    332 static inline int hostapd_drv_vendor_cmd(struct hostapd_data *hapd,
    333 					 int vendor_id, int subcmd,
    334 					 const u8 *data, size_t data_len,
    335 					 struct wpabuf *buf)
    336 {
    337 	if (hapd->driver == NULL || hapd->driver->vendor_cmd == NULL)
    338 		return -1;
    339 	return hapd->driver->vendor_cmd(hapd->drv_priv, vendor_id, subcmd, data,
    340 					data_len, buf);
    341 }
    342 
    343 static inline int hostapd_drv_stop_ap(struct hostapd_data *hapd)
    344 {
    345 	if (!hapd->driver || !hapd->driver->stop_ap || !hapd->drv_priv)
    346 		return 0;
    347 	return hapd->driver->stop_ap(hapd->drv_priv);
    348 }
    349 
    350 #endif /* AP_DRV_OPS */
    351