1 /* 2 * Driver interaction with Linux nl80211/cfg80211 3 * Copyright (c) 2002-2014, 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/qca-vendor.h" 35 #include "common/qca-vendor-attr.h" 36 #include "common/ieee802_11_defs.h" 37 #include "common/ieee802_11_common.h" 38 #include "l2_packet/l2_packet.h" 39 #include "netlink.h" 40 #include "linux_ioctl.h" 41 #include "radiotap.h" 42 #include "radiotap_iter.h" 43 #include "rfkill.h" 44 #include "driver.h" 45 46 #ifdef CONFIG_LIBNL20 47 /* libnl 2.0 compatibility code */ 48 #define nl_handle nl_sock 49 #define nl80211_handle_alloc nl_socket_alloc_cb 50 #define nl80211_handle_destroy nl_socket_free 51 #endif /* CONFIG_LIBNL20 */ 52 53 #ifndef IFF_LOWER_UP 54 #define IFF_LOWER_UP 0x10000 /* driver signals L1 up */ 55 #endif 56 #ifndef IFF_DORMANT 57 #define IFF_DORMANT 0x20000 /* driver signals dormant */ 58 #endif 59 60 #ifndef IF_OPER_DORMANT 61 #define IF_OPER_DORMANT 5 62 #endif 63 #ifndef IF_OPER_UP 64 #define IF_OPER_UP 6 65 #endif 66 67 struct nl80211_global { 68 struct dl_list interfaces; 69 int if_add_ifindex; 70 u64 if_add_wdevid; 71 int if_add_wdevid_set; 72 struct netlink_data *netlink; 73 struct nl_cb *nl_cb; 74 struct nl_handle *nl; 75 int nl80211_id; 76 int ioctl_sock; /* socket for ioctl() use */ 77 78 struct nl_handle *nl_event; 79 }; 80 81 struct nl80211_wiphy_data { 82 struct dl_list list; 83 struct dl_list bsss; 84 struct dl_list drvs; 85 86 struct nl_handle *nl_beacons; 87 struct nl_cb *nl_cb; 88 89 int wiphy_idx; 90 }; 91 92 struct i802_bss { 93 struct wpa_driver_nl80211_data *drv; 94 struct i802_bss *next; 95 int ifindex; 96 u64 wdev_id; 97 char ifname[IFNAMSIZ + 1]; 98 char brname[IFNAMSIZ]; 99 unsigned int beacon_set:1; 100 unsigned int added_if_into_bridge:1; 101 unsigned int added_bridge:1; 102 unsigned int in_deinit:1; 103 unsigned int wdev_id_set:1; 104 unsigned int added_if:1; 105 unsigned int static_ap:1; 106 107 u8 addr[ETH_ALEN]; 108 109 int freq; 110 int bandwidth; 111 int if_dynamic; 112 113 void *ctx; 114 struct nl_handle *nl_preq, *nl_mgmt; 115 struct nl_cb *nl_cb; 116 117 struct nl80211_wiphy_data *wiphy_data; 118 struct dl_list wiphy_list; 119 }; 120 121 struct wpa_driver_nl80211_data { 122 struct nl80211_global *global; 123 struct dl_list list; 124 struct dl_list wiphy_list; 125 char phyname[32]; 126 void *ctx; 127 int ifindex; 128 int if_removed; 129 int if_disabled; 130 int ignore_if_down_event; 131 struct rfkill_data *rfkill; 132 struct wpa_driver_capa capa; 133 u8 *extended_capa, *extended_capa_mask; 134 unsigned int extended_capa_len; 135 int has_capability; 136 137 int operstate; 138 139 int scan_complete_events; 140 enum scan_states { 141 NO_SCAN, SCAN_REQUESTED, SCAN_STARTED, SCAN_COMPLETED, 142 SCAN_ABORTED, SCHED_SCAN_STARTED, SCHED_SCAN_STOPPED, 143 SCHED_SCAN_RESULTS 144 } scan_state; 145 146 struct nl_cb *nl_cb; 147 148 u8 auth_bssid[ETH_ALEN]; 149 u8 auth_attempt_bssid[ETH_ALEN]; 150 u8 bssid[ETH_ALEN]; 151 u8 prev_bssid[ETH_ALEN]; 152 int associated; 153 u8 ssid[32]; 154 size_t ssid_len; 155 enum nl80211_iftype nlmode; 156 enum nl80211_iftype ap_scan_as_station; 157 unsigned int assoc_freq; 158 159 int monitor_sock; 160 int monitor_ifidx; 161 int monitor_refcount; 162 163 unsigned int disabled_11b_rates:1; 164 unsigned int pending_remain_on_chan:1; 165 unsigned int in_interface_list:1; 166 unsigned int device_ap_sme:1; 167 unsigned int poll_command_supported:1; 168 unsigned int data_tx_status:1; 169 unsigned int scan_for_auth:1; 170 unsigned int retry_auth:1; 171 unsigned int use_monitor:1; 172 unsigned int ignore_next_local_disconnect:1; 173 unsigned int ignore_next_local_deauth:1; 174 unsigned int allow_p2p_device:1; 175 unsigned int hostapd:1; 176 unsigned int start_mode_ap:1; 177 unsigned int start_iface_up:1; 178 unsigned int test_use_roc_tx:1; 179 unsigned int ignore_deauth_event:1; 180 unsigned int dfs_vendor_cmd_avail:1; 181 unsigned int have_low_prio_scan:1; 182 183 u64 remain_on_chan_cookie; 184 u64 send_action_cookie; 185 186 unsigned int last_mgmt_freq; 187 188 struct wpa_driver_scan_filter *filter_ssids; 189 size_t num_filter_ssids; 190 191 struct i802_bss *first_bss; 192 193 int eapol_tx_sock; 194 195 int eapol_sock; /* socket for EAPOL frames */ 196 197 int default_if_indices[16]; 198 int *if_indices; 199 int num_if_indices; 200 201 /* From failed authentication command */ 202 int auth_freq; 203 u8 auth_bssid_[ETH_ALEN]; 204 u8 auth_ssid[32]; 205 size_t auth_ssid_len; 206 int auth_alg; 207 u8 *auth_ie; 208 size_t auth_ie_len; 209 u8 auth_wep_key[4][16]; 210 size_t auth_wep_key_len[4]; 211 int auth_wep_tx_keyidx; 212 int auth_local_state_change; 213 int auth_p2p; 214 }; 215 216 #endif 217