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