1 /* 2 * Driver interaction with Linux nl80211/cfg80211 3 * Copyright (c) 2002-2012, Jouni Malinen <j@w1.fi> 4 * Copyright (c) 2003-2004, Instant802 Networks, Inc. 5 * Copyright (c) 2005-2006, Devicescape Software, Inc. 6 * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net> 7 * Copyright (c) 2009-2010, Atheros Communications 8 * 9 * This software may be distributed under the terms of the BSD license. 10 * See README for more details. 11 */ 12 13 #ifndef _DRIVER_NL80211_H_ 14 #define _DRIVER_NL80211_H_ 15 16 #include "includes.h" 17 #include <sys/ioctl.h> 18 #include <sys/types.h> 19 #include <sys/stat.h> 20 #include <fcntl.h> 21 #include <net/if.h> 22 #include <netlink/genl/genl.h> 23 #include <netlink/genl/family.h> 24 #include <netlink/genl/ctrl.h> 25 #include <linux/rtnetlink.h> 26 #include <netpacket/packet.h> 27 #include <linux/filter.h> 28 #include <linux/errqueue.h> 29 #include "nl80211_copy.h" 30 31 #include "common.h" 32 #include "eloop.h" 33 #include "utils/list.h" 34 #include "common/ieee802_11_defs.h" 35 #include "common/ieee802_11_common.h" 36 #include "l2_packet/l2_packet.h" 37 #include "netlink.h" 38 #include "linux_ioctl.h" 39 #include "radiotap.h" 40 #include "radiotap_iter.h" 41 #include "rfkill.h" 42 #include "driver.h" 43 44 #ifdef CONFIG_LIBNL20 45 /* libnl 2.0 compatibility code */ 46 #define nl_handle nl_sock 47 #define nl80211_handle_alloc nl_socket_alloc_cb 48 #define nl80211_handle_destroy nl_socket_free 49 #endif /* CONFIG_LIBNL20 */ 50 51 #ifndef IFF_LOWER_UP 52 #define IFF_LOWER_UP 0x10000 /* driver signals L1 up */ 53 #endif 54 #ifndef IFF_DORMANT 55 #define IFF_DORMANT 0x20000 /* driver signals dormant */ 56 #endif 57 58 #ifndef IF_OPER_DORMANT 59 #define IF_OPER_DORMANT 5 60 #endif 61 #ifndef IF_OPER_UP 62 #define IF_OPER_UP 6 63 #endif 64 65 struct nl80211_global { 66 struct dl_list interfaces; 67 int if_add_ifindex; 68 struct netlink_data *netlink; 69 struct nl_cb *nl_cb; 70 struct nl_handle *nl; 71 int nl80211_id; 72 int ioctl_sock; /* socket for ioctl() use */ 73 74 struct nl_handle *nl_event; 75 }; 76 77 struct nl80211_wiphy_data { 78 struct dl_list list; 79 struct dl_list bsss; 80 struct dl_list drvs; 81 82 struct nl_handle *nl_beacons; 83 struct nl_cb *nl_cb; 84 85 int wiphy_idx; 86 }; 87 88 struct i802_bss { 89 struct wpa_driver_nl80211_data *drv; 90 struct i802_bss *next; 91 int ifindex; 92 char ifname[IFNAMSIZ + 1]; 93 char brname[IFNAMSIZ]; 94 unsigned int beacon_set:1; 95 unsigned int added_if_into_bridge:1; 96 unsigned int added_bridge:1; 97 unsigned int in_deinit:1; 98 99 u8 addr[ETH_ALEN]; 100 101 int freq; 102 103 void *ctx; 104 struct nl_handle *nl_preq, *nl_mgmt; 105 struct nl_cb *nl_cb; 106 107 struct nl80211_wiphy_data *wiphy_data; 108 struct dl_list wiphy_list; 109 }; 110 111 struct wpa_driver_nl80211_data { 112 struct nl80211_global *global; 113 struct dl_list list; 114 struct dl_list wiphy_list; 115 char phyname[32]; 116 void *ctx; 117 int ifindex; 118 int if_removed; 119 int if_disabled; 120 int ignore_if_down_event; 121 struct rfkill_data *rfkill; 122 struct wpa_driver_capa capa; 123 int has_capability; 124 125 int operstate; 126 127 int scan_complete_events; 128 129 struct nl_cb *nl_cb; 130 131 u8 auth_bssid[ETH_ALEN]; 132 u8 bssid[ETH_ALEN]; 133 int associated; 134 u8 ssid[32]; 135 size_t ssid_len; 136 enum nl80211_iftype nlmode; 137 enum nl80211_iftype ap_scan_as_station; 138 unsigned int assoc_freq; 139 140 int monitor_sock; 141 int monitor_ifidx; 142 int monitor_refcount; 143 144 unsigned int disabled_11b_rates:1; 145 unsigned int pending_remain_on_chan:1; 146 unsigned int in_interface_list:1; 147 unsigned int device_ap_sme:1; 148 unsigned int poll_command_supported:1; 149 unsigned int data_tx_status:1; 150 unsigned int scan_for_auth:1; 151 unsigned int retry_auth:1; 152 unsigned int use_monitor:1; 153 unsigned int ignore_next_local_disconnect:1; 154 155 u64 remain_on_chan_cookie; 156 u64 send_action_cookie; 157 158 unsigned int last_mgmt_freq; 159 160 struct wpa_driver_scan_filter *filter_ssids; 161 size_t num_filter_ssids; 162 163 struct i802_bss first_bss; 164 165 int eapol_tx_sock; 166 167 #ifdef HOSTAPD 168 int eapol_sock; /* socket for EAPOL frames */ 169 170 int default_if_indices[16]; 171 int *if_indices; 172 int num_if_indices; 173 174 int last_freq; 175 int last_freq_ht; 176 #endif /* HOSTAPD */ 177 178 /* From failed authentication command */ 179 int auth_freq; 180 u8 auth_bssid_[ETH_ALEN]; 181 u8 auth_ssid[32]; 182 size_t auth_ssid_len; 183 int auth_alg; 184 u8 *auth_ie; 185 size_t auth_ie_len; 186 u8 auth_wep_key[4][16]; 187 size_t auth_wep_key_len[4]; 188 int auth_wep_tx_keyidx; 189 int auth_local_state_change; 190 int auth_p2p; 191 }; 192 193 #endif 194