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1 /*
2  * WPA Supplicant - driver_wext exported functions
3  * Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi>
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License version 2 as
7  * published by the Free Software Foundation.
8  *
9  * Alternatively, this software may be distributed under the terms of BSD
10  * license.
11  *
12  * See README and COPYING for more details.
13  */
14 
15 #ifndef DRIVER_WEXT_H
16 #define DRIVER_WEXT_H
17 
18 #include <net/if.h>
19 
20 struct wpa_driver_wext_data {
21 	void *ctx;
22 	int event_sock;
23 	int ioctl_sock;
24 	int mlme_sock;
25 	char ifname[IFNAMSIZ + 1];
26 	int ifindex;
27 	int ifindex2;
28 	int if_removed;
29 	u8 *assoc_req_ies;
30 	size_t assoc_req_ies_len;
31 	u8 *assoc_resp_ies;
32 	size_t assoc_resp_ies_len;
33 	struct wpa_driver_capa capa;
34 	int has_capability;
35 	int we_version_compiled;
36 
37 	/* for set_auth_alg fallback */
38 	int use_crypt;
39 	int auth_alg_fallback;
40 
41 	int operstate;
42 
43 	char mlmedev[IFNAMSIZ + 1];
44 
45 	int scan_complete_events;
46 #ifdef ANDROID
47 	int errors;
48 	int driver_is_started;
49 	int skip_disconnect;
50 	int bgscan_enabled;
51 #endif
52 };
53 
54 int wpa_driver_wext_get_ifflags(struct wpa_driver_wext_data *drv, int *flags);
55 int wpa_driver_wext_set_ifflags(struct wpa_driver_wext_data *drv, int flags);
56 int wpa_driver_wext_get_bssid(void *priv, u8 *bssid);
57 int wpa_driver_wext_set_bssid(void *priv, const u8 *bssid);
58 int wpa_driver_wext_get_ssid(void *priv, u8 *ssid);
59 int wpa_driver_wext_set_ssid(void *priv, const u8 *ssid, size_t ssid_len);
60 int wpa_driver_wext_set_freq(void *priv, int freq);
61 int wpa_driver_wext_set_mode(void *priv, int mode);
62 int wpa_driver_wext_set_key(void *priv, wpa_alg alg,
63 			    const u8 *addr, int key_idx,
64 			    int set_tx, const u8 *seq, size_t seq_len,
65 			    const u8 *key, size_t key_len);
66 int wpa_driver_wext_scan(void *priv, const u8 *ssid, size_t ssid_len);
67 int wpa_driver_wext_combo_scan(void *priv, struct wpa_ssid **ssid_ptr,
68 			       struct wpa_ssid *ssid_conf);
69 struct wpa_scan_results * wpa_driver_wext_get_scan_results(void *priv);
70 
71 void wpa_driver_wext_scan_timeout(void *eloop_ctx, void *timeout_ctx);
72 
73 int wpa_driver_wext_alternative_ifindex(struct wpa_driver_wext_data *drv,
74 					const char *ifname);
75 
76 void * wpa_driver_wext_init(void *ctx, const char *ifname);
77 void wpa_driver_wext_deinit(void *priv);
78 
79 int wpa_driver_wext_set_operstate(void *priv, int state);
80 int wpa_driver_wext_get_version(struct wpa_driver_wext_data *drv);
81 
82 int wpa_driver_wext_associate(void *priv,
83 			      struct wpa_driver_associate_params *params);
84 int wpa_driver_wext_get_capa(void *priv, struct wpa_driver_capa *capa);
85 int wpa_driver_wext_set_auth_param(struct wpa_driver_wext_data *drv,
86 				   int idx, u32 value);
87 int wpa_driver_wext_cipher2wext(int cipher);
88 int wpa_driver_wext_keymgmt2wext(int keymgmt);
89 
90 #ifdef ANDROID
91 #define WEXT_NUMBER_SCAN_CHANNELS_FCC	11
92 #define WEXT_NUMBER_SCAN_CHANNELS_ETSI	13
93 #define WEXT_NUMBER_SCAN_CHANNELS_MKK1	14
94 
95 #define WPA_DRIVER_WEXT_WAIT_US		400000
96 #define MAX_DRV_CMD_SIZE		248
97 #define WEXT_NUMBER_SEQUENTIAL_ERRORS	4
98 #define WEXT_CSCAN_AMOUNT		9
99 #define WEXT_CSCAN_BUF_LEN		360
100 #define WEXT_CSCAN_HEADER		"CSCAN S\x01\x00\x00S\x00"
101 #define WEXT_CSCAN_HEADER_SIZE		12
102 #define WEXT_CSCAN_SSID_SECTION		'S'
103 #define WEXT_CSCAN_CHANNEL_SECTION	'C'
104 #define WEXT_CSCAN_NPROBE_SECTION	'N'
105 #define WEXT_CSCAN_ACTV_DWELL_SECTION	'A'
106 #define WEXT_CSCAN_PASV_DWELL_SECTION	'P'
107 #define WEXT_CSCAN_HOME_DWELL_SECTION	'H'
108 #define WEXT_CSCAN_TYPE_SECTION		'T'
109 #define WEXT_CSCAN_TYPE_DEFAULT		0
110 #define WEXT_CSCAN_TYPE_PASSIVE		1
111 #define WEXT_CSCAN_PASV_DWELL_TIME	130
112 #define WEXT_CSCAN_PASV_DWELL_TIME_DEF	250
113 #define WEXT_CSCAN_PASV_DWELL_TIME_MAX	3000
114 #define WEXT_CSCAN_HOME_DWELL_TIME	130
115 
116 #define WEXT_PNOSETUP_HEADER            "PNOSETUP "
117 #define WEXT_PNOSETUP_HEADER_SIZE       9
118 #define WEXT_PNO_TLV_VERSION            '1'
119 #define WEXT_PNO_TLV_SUBVERSION         '2'
120 #define WEXT_PNO_TLV_RESERVED           '0'
121 #define WEXT_PNO_VERSION_SIZE           4
122 #define WEXT_PNO_AMOUNT                 16
123 #define WEXT_PNO_SSID_SECTION           'S'
124 /* SSID header size is SSID section type above + SSID length */
125 #define WEXT_PNO_SSID_HEADER_SIZE       2
126 #define WEXT_PNO_SCAN_INTERVAL_SECTION  'T'
127 #define WEXT_PNO_SCAN_INTERVAL_LENGTH   2
128 #define WEXT_PNO_SCAN_INTERVAL          30
129 /* Scan interval size is scan interval section type + scan interval length above*/
130 #define WEXT_PNO_SCAN_INTERVAL_SIZE     (1 + WEXT_PNO_SCAN_INTERVAL_LENGTH)
131 #define WEXT_PNO_REPEAT_SECTION         'R'
132 #define WEXT_PNO_REPEAT_LENGTH          1
133 #define WEXT_PNO_REPEAT                 4
134 /* Repeat section size is Repeat section type + Repeat value length above*/
135 #define WEXT_PNO_REPEAT_SIZE            (1 + WEXT_PNO_REPEAT_LENGTH)
136 #define WEXT_PNO_MAX_REPEAT_SECTION     'M'
137 #define WEXT_PNO_MAX_REPEAT_LENGTH      1
138 #define WEXT_PNO_MAX_REPEAT             3
139 /* Max Repeat section size is Max Repeat section type + Max Repeat value length above*/
140 #define WEXT_PNO_MAX_REPEAT_SIZE        (1 + WEXT_PNO_MAX_REPEAT_LENGTH)
141 /* This corresponds to the size of all sections expect SSIDs */
142 #define WEXT_PNO_NONSSID_SECTIONS_SIZE  (WEXT_PNO_SCAN_INTERVAL_SIZE + WEXT_PNO_REPEAT_SIZE + WEXT_PNO_MAX_REPEAT_SIZE)
143 /* PNO Max command size is total of header, version, ssid and other sections + Null termination */
144 #define WEXT_PNO_MAX_COMMAND_SIZE       (WEXT_PNOSETUP_HEADER_SIZE + WEXT_PNO_VERSION_SIZE \
145 					+ WEXT_PNO_AMOUNT * (WEXT_PNO_SSID_HEADER_SIZE + IW_ESSID_MAX_SIZE) \
146 					+ WEXT_PNO_NONSSID_SECTIONS_SIZE + 1)
147 #endif
148 
149 #endif /* DRIVER_WEXT_H */
150