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
70struct 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
84struct 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
95struct 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
124struct 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