/* * Driver interaction with Linux nl80211/cfg80211 - definitions * Copyright (c) 2002-2014, Jouni Malinen * Copyright (c) 2003-2004, Instant802 Networks, Inc. * Copyright (c) 2005-2006, Devicescape Software, Inc. * Copyright (c) 2007, Johannes Berg * Copyright (c) 2009-2010, Atheros Communications * * This software may be distributed under the terms of the BSD license. * See README for more details. */ #ifndef DRIVER_NL80211_H #define DRIVER_NL80211_H #include "nl80211_copy.h" #include "utils/list.h" #include "driver.h" #ifdef CONFIG_LIBNL20 /* libnl 2.0 compatibility code */ #define nl_handle nl_sock #define nl80211_handle_alloc nl_socket_alloc_cb #define nl80211_handle_destroy nl_socket_free #endif /* CONFIG_LIBNL20 */ struct nl80211_global { struct dl_list interfaces; int if_add_ifindex; u64 if_add_wdevid; int if_add_wdevid_set; struct netlink_data *netlink; struct nl_cb *nl_cb; struct nl_handle *nl; int nl80211_id; int ioctl_sock; /* socket for ioctl() use */ struct nl_handle *nl_event; }; struct nl80211_wiphy_data { struct dl_list list; struct dl_list bsss; struct dl_list drvs; struct nl_handle *nl_beacons; struct nl_cb *nl_cb; int wiphy_idx; }; struct i802_bss { struct wpa_driver_nl80211_data *drv; struct i802_bss *next; int ifindex; int br_ifindex; u64 wdev_id; char ifname[IFNAMSIZ + 1]; char brname[IFNAMSIZ]; unsigned int beacon_set:1; unsigned int added_if_into_bridge:1; unsigned int added_bridge:1; unsigned int in_deinit:1; unsigned int wdev_id_set:1; unsigned int added_if:1; unsigned int static_ap:1; u8 addr[ETH_ALEN]; int freq; int bandwidth; int if_dynamic; void *ctx; struct nl_handle *nl_preq, *nl_mgmt; struct nl_cb *nl_cb; struct nl80211_wiphy_data *wiphy_data; struct dl_list wiphy_list; }; struct wpa_driver_nl80211_data { struct nl80211_global *global; struct dl_list list; struct dl_list wiphy_list; char phyname[32]; u8 perm_addr[ETH_ALEN]; void *ctx; int ifindex; int if_removed; int if_disabled; int ignore_if_down_event; struct rfkill_data *rfkill; struct wpa_driver_capa capa; u8 *extended_capa, *extended_capa_mask; unsigned int extended_capa_len; int has_capability; int operstate; int scan_complete_events; enum scan_states { NO_SCAN, SCAN_REQUESTED, SCAN_STARTED, SCAN_COMPLETED, SCAN_ABORTED, SCHED_SCAN_STARTED, SCHED_SCAN_STOPPED, SCHED_SCAN_RESULTS } scan_state; u8 auth_bssid[ETH_ALEN]; u8 auth_attempt_bssid[ETH_ALEN]; u8 bssid[ETH_ALEN]; u8 prev_bssid[ETH_ALEN]; int associated; u8 ssid[SSID_MAX_LEN]; size_t ssid_len; enum nl80211_iftype nlmode; enum nl80211_iftype ap_scan_as_station; unsigned int assoc_freq; int monitor_sock; int monitor_ifidx; int monitor_refcount; unsigned int disabled_11b_rates:1; unsigned int pending_remain_on_chan:1; unsigned int in_interface_list:1; unsigned int device_ap_sme:1; unsigned int poll_command_supported:1; unsigned int data_tx_status:1; unsigned int scan_for_auth:1; unsigned int retry_auth:1; unsigned int use_monitor:1; unsigned int ignore_next_local_disconnect:1; unsigned int ignore_next_local_deauth:1; unsigned int hostapd:1; unsigned int start_mode_ap:1; unsigned int start_iface_up:1; unsigned int test_use_roc_tx:1; unsigned int ignore_deauth_event:1; unsigned int vendor_cmd_test_avail:1; unsigned int roaming_vendor_cmd_avail:1; unsigned int dfs_vendor_cmd_avail:1; unsigned int have_low_prio_scan:1; unsigned int force_connect_cmd:1; unsigned int addr_changed:1; unsigned int get_features_vendor_cmd_avail:1; unsigned int set_rekey_offload:1; unsigned int p2p_go_ctwindow_supported:1; unsigned int setband_vendor_cmd_avail:1; unsigned int get_pref_freq_list:1; unsigned int set_prob_oper_freq:1; unsigned int scan_vendor_cmd_avail:1; u64 vendor_scan_cookie; u64 remain_on_chan_cookie; u64 send_action_cookie; unsigned int last_mgmt_freq; struct wpa_driver_scan_filter *filter_ssids; size_t num_filter_ssids; struct i802_bss *first_bss; int eapol_tx_sock; int eapol_sock; /* socket for EAPOL frames */ struct nl_handle *rtnl_sk; /* nl_sock for NETLINK_ROUTE */ int default_if_indices[16]; int *if_indices; int num_if_indices; /* From failed authentication command */ int auth_freq; u8 auth_bssid_[ETH_ALEN]; u8 auth_ssid[SSID_MAX_LEN]; size_t auth_ssid_len; int auth_alg; u8 *auth_ie; size_t auth_ie_len; u8 auth_wep_key[4][16]; size_t auth_wep_key_len[4]; int auth_wep_tx_keyidx; int auth_local_state_change; int auth_p2p; /* * Tells whether the last scan issued from wpa_supplicant was a normal * scan (NL80211_CMD_TRIGGER_SCAN) or a vendor scan * (NL80211_CMD_VENDOR). 0 if no pending scan request. */ int last_scan_cmd; }; struct nl_msg; void * nl80211_cmd(struct wpa_driver_nl80211_data *drv, struct nl_msg *msg, int flags, uint8_t cmd); struct nl_msg * nl80211_cmd_msg(struct i802_bss *bss, int flags, uint8_t cmd); struct nl_msg * nl80211_drv_msg(struct wpa_driver_nl80211_data *drv, int flags, uint8_t cmd); struct nl_msg * nl80211_bss_msg(struct i802_bss *bss, int flags, uint8_t cmd); int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv, struct nl_msg *msg, int (*valid_handler)(struct nl_msg *, void *), void *valid_data); int nl80211_create_iface(struct wpa_driver_nl80211_data *drv, const char *ifname, enum nl80211_iftype iftype, const u8 *addr, int wds, int (*handler)(struct nl_msg *, void *), void *arg, int use_existing); void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx); unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv); enum chan_width convert2width(int width); void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv); struct i802_bss * get_bss_ifindex(struct wpa_driver_nl80211_data *drv, int ifindex); int is_ap_interface(enum nl80211_iftype nlmode); int is_sta_interface(enum nl80211_iftype nlmode); int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data *drv); int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv, struct wpa_signal_info *sig); int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv, struct wpa_signal_info *sig_change); int nl80211_get_wiphy_index(struct i802_bss *bss); int wpa_driver_nl80211_set_mode(struct i802_bss *bss, enum nl80211_iftype nlmode); int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv, const u8 *addr, int cmd, u16 reason_code, int local_state_change); int nl80211_create_monitor_interface(struct wpa_driver_nl80211_data *drv); void nl80211_remove_monitor_interface(struct wpa_driver_nl80211_data *drv); int nl80211_send_monitor(struct wpa_driver_nl80211_data *drv, const void *data, size_t len, int encrypt, int noack); int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv); struct hostapd_hw_modes * nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags); int process_global_event(struct nl_msg *msg, void *arg); int process_bss_event(struct nl_msg *msg, void *arg); #ifdef ANDROID int android_nl_socket_set_nonblocking(struct nl_handle *handle); int android_pno_start(struct i802_bss *bss, struct wpa_driver_scan_params *params); int android_pno_stop(struct i802_bss *bss); extern int wpa_driver_nl80211_driver_cmd(void *priv, char *cmd, char *buf, size_t buf_len); #ifdef ANDROID_P2P int wpa_driver_set_p2p_noa(void *priv, u8 count, int start, int duration); int wpa_driver_get_p2p_noa(void *priv, u8 *buf, size_t len); int wpa_driver_set_p2p_ps(void *priv, int legacy_ps, int opp_ps, int ctwindow); int wpa_driver_set_ap_wps_p2p_ie(void *priv, const struct wpabuf *beacon, const struct wpabuf *proberesp, const struct wpabuf *assocresp); #endif /* ANDROID_P2P */ #endif /* ANDROID */ /* driver_nl80211_scan.c */ struct nl80211_bss_info_arg { struct wpa_driver_nl80211_data *drv; struct wpa_scan_results *res; unsigned int assoc_freq; unsigned int ibss_freq; u8 assoc_bssid[ETH_ALEN]; }; int bss_info_handler(struct nl_msg *msg, void *arg); void wpa_driver_nl80211_scan_timeout(void *eloop_ctx, void *timeout_ctx); int wpa_driver_nl80211_scan(struct i802_bss *bss, struct wpa_driver_scan_params *params); int wpa_driver_nl80211_sched_scan(void *priv, struct wpa_driver_scan_params *params, u32 interval); int wpa_driver_nl80211_stop_sched_scan(void *priv); struct wpa_scan_results * wpa_driver_nl80211_get_scan_results(void *priv); void nl80211_dump_scan(struct wpa_driver_nl80211_data *drv); int wpa_driver_nl80211_abort_scan(void *priv); const u8 * nl80211_get_ie(const u8 *ies, size_t ies_len, u8 ie); int wpa_driver_nl80211_vendor_scan(struct i802_bss *bss, struct wpa_driver_scan_params *params); #endif /* DRIVER_NL80211_H */