Home | History | Annotate | Download | only in wpa_supplicant_lib
      1 /*
      2  * Driver interaction with Linux nl80211/cfg80211
      3  * Copyright (c) 2002-2010, Jouni Malinen <j (at) 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 (at) sipsolutions.net>
      7  * Copyright (c) 2009-2010, Atheros Communications
      8  *
      9  * This program is free software; you can redistribute it and/or modify
     10  * it under the terms of the GNU General Public License version 2 as
     11  * published by the Free Software Foundation.
     12  *
     13  * Alternatively, this software may be distributed under the terms of BSD
     14  * license.
     15  *
     16  * See README and COPYING for more details.
     17  */
     18 
     19 #ifndef _DRIVER_NL80211_H_
     20 #define _DRIVER_NL80211_H_
     21 
     22 #include "includes.h"
     23 #include <sys/ioctl.h>
     24 #include <sys/types.h>
     25 #include <sys/stat.h>
     26 #include <fcntl.h>
     27 #include <net/if.h>
     28 #include <netlink/genl/genl.h>
     29 #include <netlink/genl/family.h>
     30 #include <netlink/genl/ctrl.h>
     31 #include <linux/rtnetlink.h>
     32 #include <netpacket/packet.h>
     33 #include <linux/filter.h>
     34 #include "nl80211_copy.h"
     35 
     36 #include "common.h"
     37 #include "eloop.h"
     38 #include "utils/list.h"
     39 #include "common/ieee802_11_defs.h"
     40 #include "netlink.h"
     41 #include "linux_ioctl.h"
     42 #include "radiotap.h"
     43 #include "radiotap_iter.h"
     44 #include "rfkill.h"
     45 #include "driver.h"
     46 
     47 #ifdef CONFIG_LIBNL20
     48 /* libnl 2.0 compatibility code */
     49 #define nl_handle nl_sock
     50 #define nl80211_handle_alloc nl_socket_alloc_cb
     51 #define nl80211_handle_destroy nl_socket_free
     52 #endif /* CONFIG_LIBNL20 */
     53 
     54 #ifndef IFF_LOWER_UP
     55 #define IFF_LOWER_UP   0x10000         /* driver signals L1 up         */
     56 #endif
     57 #ifndef IFF_DORMANT
     58 #define IFF_DORMANT    0x20000         /* driver signals dormant       */
     59 #endif
     60 
     61 #ifndef IF_OPER_DORMANT
     62 #define IF_OPER_DORMANT 5
     63 #endif
     64 #ifndef IF_OPER_UP
     65 #define IF_OPER_UP 6
     66 #endif
     67 
     68 struct nl80211_global {
     69 	struct dl_list interfaces;
     70 };
     71 
     72 struct i802_bss {
     73 	struct wpa_driver_nl80211_data *drv;
     74 	struct i802_bss *next;
     75 	int ifindex;
     76 	char ifname[IFNAMSIZ + 1];
     77 	char brname[IFNAMSIZ];
     78 	unsigned int beacon_set:1;
     79 	unsigned int added_if_into_bridge:1;
     80 	unsigned int added_bridge:1;
     81 };
     82 
     83 struct wpa_driver_nl80211_data {
     84 	struct nl80211_global *global;
     85 	struct dl_list list;
     86 	u8 addr[ETH_ALEN];
     87 	char phyname[32];
     88 	void *ctx;
     89 	struct netlink_data *netlink;
     90 	int ioctl_sock; /* socket for ioctl() use */
     91 	int ifindex;
     92 	int if_removed;
     93 	int if_disabled;
     94 	struct rfkill_data *rfkill;
     95 	struct wpa_driver_capa capa;
     96 	int has_capability;
     97 
     98 	int operstate;
     99 
    100 	int scan_complete_events;
    101 
    102 	struct nl_handle *nl_handle;
    103 	struct nl_handle *nl_handle_event;
    104 	struct nl_handle *nl_handle_preq;
    105 	struct nl_cache *nl_cache;
    106 	struct nl_cache *nl_cache_event;
    107 	struct nl_cache *nl_cache_preq;
    108 	struct nl_cb *nl_cb;
    109 	struct genl_family *nl80211;
    110 
    111 	u8 auth_bssid[ETH_ALEN];
    112 	u8 bssid[ETH_ALEN];
    113 	int associated;
    114 	u8 ssid[32];
    115 	size_t ssid_len;
    116 	int nlmode;
    117 	int ap_scan_as_station;
    118 	unsigned int assoc_freq;
    119 
    120 	int monitor_sock;
    121 	int monitor_ifidx;
    122 	int no_monitor_iface_capab;
    123 	int disable_11b_rates;
    124 
    125 	unsigned int pending_remain_on_chan:1;
    126 
    127 	u64 remain_on_chan_cookie;
    128 	u64 send_action_cookie;
    129 
    130 	unsigned int last_mgmt_freq;
    131 
    132 	struct wpa_driver_scan_filter *filter_ssids;
    133 	size_t num_filter_ssids;
    134 
    135 	struct i802_bss first_bss;
    136 
    137 #ifdef HOSTAPD
    138 	int eapol_sock; /* socket for EAPOL frames */
    139 
    140 	int default_if_indices[16];
    141 	int *if_indices;
    142 	int num_if_indices;
    143 
    144 	int last_freq;
    145 	int last_freq_ht;
    146 #endif /* HOSTAPD */
    147 };
    148 
    149 #endif
    150