mirror of
https://github.com/vanhoefm/fragattacks.git
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cc9a2575ca
This adds the necessary changes to support extraction and use of the extended capabilities specified per interface type (a recent cfg80211/nl80211 extension). If that information is available, per-interface values will be used to override the global per-radio value. Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
306 lines
9.1 KiB
C
306 lines
9.1 KiB
C
/*
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* Driver interaction with Linux nl80211/cfg80211 - definitions
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* Copyright (c) 2002-2014, Jouni Malinen <j@w1.fi>
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* Copyright (c) 2003-2004, Instant802 Networks, Inc.
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* Copyright (c) 2005-2006, Devicescape Software, Inc.
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* Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net>
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* Copyright (c) 2009-2010, Atheros Communications
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*
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* This software may be distributed under the terms of the BSD license.
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* See README for more details.
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*/
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#ifndef DRIVER_NL80211_H
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#define DRIVER_NL80211_H
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#include "nl80211_copy.h"
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#include "utils/list.h"
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#include "driver.h"
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#ifdef CONFIG_LIBNL20
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/* libnl 2.0 compatibility code */
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#define nl_handle nl_sock
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#define nl80211_handle_alloc nl_socket_alloc_cb
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#define nl80211_handle_destroy nl_socket_free
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#endif /* CONFIG_LIBNL20 */
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struct nl80211_global {
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void *ctx;
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struct dl_list interfaces;
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int if_add_ifindex;
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u64 if_add_wdevid;
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int if_add_wdevid_set;
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struct netlink_data *netlink;
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struct nl_cb *nl_cb;
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struct nl_handle *nl;
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int nl80211_id;
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int ioctl_sock; /* socket for ioctl() use */
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struct nl_handle *nl_event;
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};
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struct nl80211_wiphy_data {
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struct dl_list list;
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struct dl_list bsss;
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struct dl_list drvs;
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struct nl_handle *nl_beacons;
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struct nl_cb *nl_cb;
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int wiphy_idx;
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};
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struct i802_bss {
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struct wpa_driver_nl80211_data *drv;
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struct i802_bss *next;
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int ifindex;
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int br_ifindex;
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u64 wdev_id;
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char ifname[IFNAMSIZ + 1];
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char brname[IFNAMSIZ];
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unsigned int beacon_set:1;
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unsigned int added_if_into_bridge:1;
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unsigned int added_bridge:1;
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unsigned int in_deinit:1;
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unsigned int wdev_id_set:1;
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unsigned int added_if:1;
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unsigned int static_ap:1;
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u8 addr[ETH_ALEN];
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int freq;
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int bandwidth;
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int if_dynamic;
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void *ctx;
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struct nl_handle *nl_preq, *nl_mgmt;
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struct nl_cb *nl_cb;
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struct nl80211_wiphy_data *wiphy_data;
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struct dl_list wiphy_list;
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};
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struct wpa_driver_nl80211_data {
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struct nl80211_global *global;
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struct dl_list list;
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struct dl_list wiphy_list;
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char phyname[32];
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unsigned int wiphy_idx;
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u8 perm_addr[ETH_ALEN];
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void *ctx;
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int ifindex;
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int if_removed;
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int if_disabled;
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int ignore_if_down_event;
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struct rfkill_data *rfkill;
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struct wpa_driver_capa capa;
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u8 *extended_capa, *extended_capa_mask;
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unsigned int extended_capa_len;
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struct drv_nl80211_ext_capa {
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enum nl80211_iftype iftype;
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u8 *ext_capa, *ext_capa_mask;
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unsigned int ext_capa_len;
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} iface_ext_capa[NL80211_IFTYPE_MAX];
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unsigned int num_iface_ext_capa;
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int has_capability;
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int operstate;
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int scan_complete_events;
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enum scan_states {
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NO_SCAN, SCAN_REQUESTED, SCAN_STARTED, SCAN_COMPLETED,
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SCAN_ABORTED, SCHED_SCAN_STARTED, SCHED_SCAN_STOPPED,
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SCHED_SCAN_RESULTS
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} scan_state;
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u8 auth_bssid[ETH_ALEN];
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u8 auth_attempt_bssid[ETH_ALEN];
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u8 bssid[ETH_ALEN];
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u8 prev_bssid[ETH_ALEN];
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int associated;
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u8 ssid[SSID_MAX_LEN];
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size_t ssid_len;
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enum nl80211_iftype nlmode;
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enum nl80211_iftype ap_scan_as_station;
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unsigned int assoc_freq;
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int monitor_sock;
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int monitor_ifidx;
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int monitor_refcount;
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unsigned int disabled_11b_rates:1;
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unsigned int pending_remain_on_chan:1;
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unsigned int in_interface_list:1;
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unsigned int device_ap_sme:1;
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unsigned int poll_command_supported:1;
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unsigned int data_tx_status:1;
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unsigned int scan_for_auth:1;
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unsigned int retry_auth:1;
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unsigned int use_monitor:1;
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unsigned int ignore_next_local_disconnect:1;
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unsigned int ignore_next_local_deauth:1;
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unsigned int hostapd:1;
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unsigned int start_mode_ap:1;
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unsigned int start_iface_up:1;
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unsigned int test_use_roc_tx:1;
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unsigned int ignore_deauth_event:1;
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unsigned int vendor_cmd_test_avail:1;
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unsigned int roaming_vendor_cmd_avail:1;
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unsigned int dfs_vendor_cmd_avail:1;
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unsigned int have_low_prio_scan:1;
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unsigned int force_connect_cmd:1;
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unsigned int addr_changed:1;
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unsigned int get_features_vendor_cmd_avail:1;
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unsigned int set_rekey_offload:1;
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unsigned int p2p_go_ctwindow_supported:1;
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unsigned int setband_vendor_cmd_avail:1;
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unsigned int get_pref_freq_list:1;
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unsigned int set_prob_oper_freq:1;
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unsigned int scan_vendor_cmd_avail:1;
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unsigned int connect_reassoc:1;
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u64 vendor_scan_cookie;
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u64 remain_on_chan_cookie;
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u64 send_action_cookie;
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#define MAX_SEND_ACTION_COOKIES 20
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u64 send_action_cookies[MAX_SEND_ACTION_COOKIES];
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unsigned int num_send_action_cookies;
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unsigned int last_mgmt_freq;
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struct wpa_driver_scan_filter *filter_ssids;
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size_t num_filter_ssids;
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struct i802_bss *first_bss;
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int eapol_tx_sock;
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int eapol_sock; /* socket for EAPOL frames */
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struct nl_handle *rtnl_sk; /* nl_sock for NETLINK_ROUTE */
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int default_if_indices[16];
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/* the AP/AP_VLAN iface that is in this bridge */
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int default_if_indices_reason[16];
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int *if_indices;
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int *if_indices_reason;
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int num_if_indices;
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/* From failed authentication command */
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int auth_freq;
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u8 auth_bssid_[ETH_ALEN];
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u8 auth_ssid[SSID_MAX_LEN];
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size_t auth_ssid_len;
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int auth_alg;
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u8 *auth_ie;
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size_t auth_ie_len;
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u8 auth_wep_key[4][16];
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size_t auth_wep_key_len[4];
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int auth_wep_tx_keyidx;
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int auth_local_state_change;
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int auth_p2p;
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/*
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* Tells whether the last scan issued from wpa_supplicant was a normal
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* scan (NL80211_CMD_TRIGGER_SCAN) or a vendor scan
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* (NL80211_CMD_VENDOR). 0 if no pending scan request.
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*/
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int last_scan_cmd;
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};
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struct nl_msg;
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void * nl80211_cmd(struct wpa_driver_nl80211_data *drv,
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struct nl_msg *msg, int flags, uint8_t cmd);
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struct nl_msg * nl80211_cmd_msg(struct i802_bss *bss, int flags, uint8_t cmd);
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struct nl_msg * nl80211_drv_msg(struct wpa_driver_nl80211_data *drv, int flags,
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uint8_t cmd);
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struct nl_msg * nl80211_bss_msg(struct i802_bss *bss, int flags, uint8_t cmd);
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int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv, struct nl_msg *msg,
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int (*valid_handler)(struct nl_msg *, void *),
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void *valid_data);
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int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
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const char *ifname, enum nl80211_iftype iftype,
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const u8 *addr, int wds,
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int (*handler)(struct nl_msg *, void *),
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void *arg, int use_existing);
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void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx);
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unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv);
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enum chan_width convert2width(int width);
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void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv);
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struct i802_bss * get_bss_ifindex(struct wpa_driver_nl80211_data *drv,
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int ifindex);
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int is_ap_interface(enum nl80211_iftype nlmode);
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int is_sta_interface(enum nl80211_iftype nlmode);
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int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data *drv);
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int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv,
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struct wpa_signal_info *sig);
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int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv,
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struct wpa_signal_info *sig_change);
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int nl80211_get_wiphy_index(struct i802_bss *bss);
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int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
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enum nl80211_iftype nlmode);
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int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
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const u8 *addr, int cmd, u16 reason_code,
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int local_state_change);
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int nl80211_create_monitor_interface(struct wpa_driver_nl80211_data *drv);
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void nl80211_remove_monitor_interface(struct wpa_driver_nl80211_data *drv);
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int nl80211_send_monitor(struct wpa_driver_nl80211_data *drv,
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const void *data, size_t len,
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int encrypt, int noack);
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int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv);
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struct hostapd_hw_modes *
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nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags);
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int process_global_event(struct nl_msg *msg, void *arg);
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int process_bss_event(struct nl_msg *msg, void *arg);
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const char * nl80211_iftype_str(enum nl80211_iftype mode);
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#ifdef ANDROID
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int android_nl_socket_set_nonblocking(struct nl_handle *handle);
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int android_pno_start(struct i802_bss *bss,
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struct wpa_driver_scan_params *params);
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int android_pno_stop(struct i802_bss *bss);
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extern int wpa_driver_nl80211_driver_cmd(void *priv, char *cmd, char *buf,
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size_t buf_len);
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#ifdef ANDROID_P2P
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int wpa_driver_set_p2p_noa(void *priv, u8 count, int start, int duration);
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int wpa_driver_get_p2p_noa(void *priv, u8 *buf, size_t len);
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int wpa_driver_set_p2p_ps(void *priv, int legacy_ps, int opp_ps, int ctwindow);
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int wpa_driver_set_ap_wps_p2p_ie(void *priv, const struct wpabuf *beacon,
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const struct wpabuf *proberesp,
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const struct wpabuf *assocresp);
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#endif /* ANDROID_P2P */
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#endif /* ANDROID */
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/* driver_nl80211_scan.c */
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struct nl80211_bss_info_arg {
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struct wpa_driver_nl80211_data *drv;
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struct wpa_scan_results *res;
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unsigned int assoc_freq;
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unsigned int ibss_freq;
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u8 assoc_bssid[ETH_ALEN];
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};
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int bss_info_handler(struct nl_msg *msg, void *arg);
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void wpa_driver_nl80211_scan_timeout(void *eloop_ctx, void *timeout_ctx);
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int wpa_driver_nl80211_scan(struct i802_bss *bss,
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struct wpa_driver_scan_params *params);
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int wpa_driver_nl80211_sched_scan(void *priv,
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struct wpa_driver_scan_params *params);
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int wpa_driver_nl80211_stop_sched_scan(void *priv);
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struct wpa_scan_results * wpa_driver_nl80211_get_scan_results(void *priv);
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void nl80211_dump_scan(struct wpa_driver_nl80211_data *drv);
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int wpa_driver_nl80211_abort_scan(void *priv);
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int wpa_driver_nl80211_vendor_scan(struct i802_bss *bss,
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struct wpa_driver_scan_params *params);
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#endif /* DRIVER_NL80211_H */
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