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 #ifdef CONFIG_LIBNL3_ROUTE 26 #include <netlink/route/neighbour.h> 27 #endif /* CONFIG_LIBNL3_ROUTE */ 28 #include <linux/rtnetlink.h> 29 #include <netpacket/packet.h> 30 #include <linux/filter.h> 31 #include <linux/errqueue.h> 32 #include "nl80211_copy.h" 33 34 #include "common.h" 35 #include "eloop.h" 36 #include "utils/list.h" 37 #include "common/qca-vendor.h" 38 #include "common/qca-vendor-attr.h" 39 #include "common/ieee802_11_defs.h" 40 #include "common/ieee802_11_common.h" 41 #include "l2_packet/l2_packet.h" 42 #include "netlink.h" 43 #include "linux_ioctl.h" 44 #include "radiotap.h" 45 #include "radiotap_iter.h" 46 #include "rfkill.h" 47 #include "driver.h" 48 49 #ifdef CONFIG_LIBNL20 50 /* libnl 2.0 compatibility code */ 51 #define nl_handle nl_sock 52 #define nl80211_handle_alloc nl_socket_alloc_cb 53 #define nl80211_handle_destroy nl_socket_free 54 #endif /* CONFIG_LIBNL20 */ 55 56 #ifndef IFF_LOWER_UP 57 #define IFF_LOWER_UP 0x10000 /* driver signals L1 up */ 58 #endif 59 #ifndef IFF_DORMANT 60 #define IFF_DORMANT 0x20000 /* driver signals dormant */ 61 #endif 62 63 #ifndef IF_OPER_DORMANT 64 #define IF_OPER_DORMANT 5 65 #endif 66 #ifndef IF_OPER_UP 67 #define IF_OPER_UP 6 68 #endif 69 70 struct nl80211_global { 71 struct dl_list interfaces; 72 int if_add_ifindex; 73 u64 if_add_wdevid; 74 int if_add_wdevid_set; 75 struct netlink_data *netlink; 76 struct nl_cb *nl_cb; 77 struct nl_handle *nl; 78 int nl80211_id; 79 int ioctl_sock; /* socket for ioctl() use */ 80 81 struct nl_handle *nl_event; 82 }; 83 84 struct nl80211_wiphy_data { 85 struct dl_list list; 86 struct dl_list bsss; 87 struct dl_list drvs; 88 89 struct nl_handle *nl_beacons; 90 struct nl_cb *nl_cb; 91 92 int wiphy_idx; 93 }; 94 95 struct i802_bss { 96 struct wpa_driver_nl80211_data *drv; 97 struct i802_bss *next; 98 int ifindex; 99 u64 wdev_id; 100 char ifname[IFNAMSIZ + 1]; 101 char brname[IFNAMSIZ]; 102 unsigned int beacon_set:1; 103 unsigned int added_if_into_bridge:1; 104 unsigned int added_bridge:1; 105 unsigned int in_deinit:1; 106 unsigned int wdev_id_set:1; 107 unsigned int added_if:1; 108 unsigned int static_ap:1; 109 110 u8 addr[ETH_ALEN]; 111 112 int freq; 113 int bandwidth; 114 int if_dynamic; 115 116 void *ctx; 117 struct nl_handle *nl_preq, *nl_mgmt; 118 struct nl_cb *nl_cb; 119 120 struct nl80211_wiphy_data *wiphy_data; 121 struct dl_list wiphy_list; 122 }; 123 124 struct wpa_driver_nl80211_data { 125 struct nl80211_global *global; 126 struct dl_list list; 127 struct dl_list wiphy_list; 128 char phyname[32]; 129 u8 perm_addr[ETH_ALEN]; 130 void *ctx; 131 int ifindex; 132 int if_removed; 133 int if_disabled; 134 int ignore_if_down_event; 135 struct rfkill_data *rfkill; 136 struct wpa_driver_capa capa; 137 u8 *extended_capa, *extended_capa_mask; 138 unsigned int extended_capa_len; 139 int has_capability; 140 141 int operstate; 142 143 int scan_complete_events; 144 enum scan_states { 145 NO_SCAN, SCAN_REQUESTED, SCAN_STARTED, SCAN_COMPLETED, 146 SCAN_ABORTED, SCHED_SCAN_STARTED, SCHED_SCAN_STOPPED, 147 SCHED_SCAN_RESULTS 148 } scan_state; 149 150 struct nl_cb *nl_cb; 151 152 u8 auth_bssid[ETH_ALEN]; 153 u8 auth_attempt_bssid[ETH_ALEN]; 154 u8 bssid[ETH_ALEN]; 155 u8 prev_bssid[ETH_ALEN]; 156 int associated; 157 u8 ssid[32]; 158 size_t ssid_len; 159 enum nl80211_iftype nlmode; 160 enum nl80211_iftype ap_scan_as_station; 161 unsigned int assoc_freq; 162 163 int monitor_sock; 164 int monitor_ifidx; 165 int monitor_refcount; 166 167 unsigned int disabled_11b_rates:1; 168 unsigned int pending_remain_on_chan:1; 169 unsigned int in_interface_list:1; 170 unsigned int device_ap_sme:1; 171 unsigned int poll_command_supported:1; 172 unsigned int data_tx_status:1; 173 unsigned int scan_for_auth:1; 174 unsigned int retry_auth:1; 175 unsigned int use_monitor:1; 176 unsigned int ignore_next_local_disconnect:1; 177 unsigned int ignore_next_local_deauth:1; 178 unsigned int allow_p2p_device:1; 179 unsigned int hostapd:1; 180 unsigned int start_mode_ap:1; 181 unsigned int start_iface_up:1; 182 unsigned int test_use_roc_tx:1; 183 unsigned int ignore_deauth_event:1; 184 unsigned int roaming_vendor_cmd_avail:1; 185 unsigned int dfs_vendor_cmd_avail:1; 186 unsigned int have_low_prio_scan:1; 187 unsigned int force_connect_cmd:1; 188 unsigned int addr_changed:1; 189 190 u64 remain_on_chan_cookie; 191 u64 send_action_cookie; 192 193 unsigned int last_mgmt_freq; 194 195 struct wpa_driver_scan_filter *filter_ssids; 196 size_t num_filter_ssids; 197 198 struct i802_bss *first_bss; 199 200 int eapol_tx_sock; 201 202 int eapol_sock; /* socket for EAPOL frames */ 203 204 struct nl_handle *rtnl_sk; /* nl_sock for NETLINK_ROUTE */ 205 206 int default_if_indices[16]; 207 int *if_indices; 208 int num_if_indices; 209 210 /* From failed authentication command */ 211 int auth_freq; 212 u8 auth_bssid_[ETH_ALEN]; 213 u8 auth_ssid[32]; 214 size_t auth_ssid_len; 215 int auth_alg; 216 u8 *auth_ie; 217 size_t auth_ie_len; 218 u8 auth_wep_key[4][16]; 219 size_t auth_wep_key_len[4]; 220 int auth_wep_tx_keyidx; 221 int auth_local_state_change; 222 int auth_p2p; 223 }; 224 225 #endif 226