source: mainline/uspace/lib/ieee80211/include/ieee80211.h

Last change on this file was 18b6a88, checked in by Jiri Svoboda <jiri@…>, 7 years ago

More ccheck fixes, sometimes with manual intervention.
  • Property mode set to 100644
File size: 6.7 KB
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1/*
2 * Copyright (c) 2015 Jan Kolarik
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/**
30 * @addtogroup libieee80211
31 * @{
32 */
33/**
34 * @file ieee80211.h
35 * @brief Public header exposing IEEE 802.11 to drivers.
36 */
37
38#ifndef LIB_IEEE80211_H
39#define LIB_IEEE80211_H
40
41#include <ddf/driver.h>
42#include <nic.h>
43#include <ops/ieee80211.h>
44
45#define DEVICE_CATEGORY_IEEE80211 "ieee80211"
46
47struct ieee80211_dev;
48typedef struct ieee80211_dev ieee80211_dev_t;
49
50/** Initial channel frequency. */
51#define IEEE80211_FIRST_FREQ 2412
52
53/** Max supported channel frequency. */
54#define IEEE80211_MAX_FREQ 2472
55
56/** Gap between IEEE80211 channels in MHz. */
57#define IEEE80211_CHANNEL_GAP 5
58
59/** Max AMPDU factor. */
60#define IEEE80211_MAX_AMPDU_FACTOR 13
61
62/** Max authentication password length. */
63#define IEEE80211_MAX_PASSW_LEN 64
64
65/** IEEE 802.11 b/g supported data rates in units of 500 kb/s. */
66static const uint8_t ieee80211bg_data_rates[] = {
67 2, 4, 11, 12, 18, 22, 24, 36, 48, 72, 96, 108
68};
69
70/** Device operating modes. */
71typedef enum {
72 IEEE80211_OPMODE_ADHOC,
73 IEEE80211_OPMODE_MESH,
74 IEEE80211_OPMODE_AP,
75 IEEE80211_OPMODE_STATION
76} ieee80211_operating_mode_t;
77
78/** Key flags. */
79typedef enum {
80 IEEE80211_KEY_FLAG_TYPE_PAIRWISE = 0x01,
81 IEEE80211_KEY_FLAG_TYPE_GROUP = 0x02
82} ieee80211_key_flags_t;
83
84typedef enum {
85 IEEE80211_TKIP_TX_MIC_OFFSET = 16,
86 IEEE80211_TKIP_RX_MIC_OFFSET = 24
87} ieee80211_tkip_mic_offset_t;
88
89/** Key config structure. */
90typedef struct {
91 uint8_t id;
92 uint8_t flags;
93 ieee80211_security_suite_t suite;
94 uint8_t data[32];
95} ieee80211_key_config_t;
96
97/** IEEE 802.11 callback functions. */
98typedef struct {
99 /** unction that is called at device initalization.
100 *
101 * This should get device into running state.
102 *
103 * @param ieee80211_dev Pointer to IEEE 802.11 device structure.
104 *
105 * @return EOK if succeed, error code otherwise.
106 *
107 */
108 errno_t (*start)(struct ieee80211_dev *);
109
110 /** Scan neighborhood for networks.
111 *
112 * There should be implemented scanning of whole bandwidth.
113 * Incoming results are processed by IEEE 802.11 framework itself.
114 *
115 * @param ieee80211_dev Pointer to IEEE 802.11 device structure.
116 *
117 * @return EOK if succeed, error code otherwise.
118 *
119 */
120 errno_t (*scan)(struct ieee80211_dev *);
121
122 /** Handler for TX frames to be send from device.
123 *
124 * This should be called for every frame that has to be send
125 * from IEEE 802.11 device.
126 *
127 * @param ieee80211_dev Pointer to IEEE 802.11 device structure.
128 * @param buffer Buffer with data to be send.
129 * @param buffer_size Size of buffer.
130 *
131 * @return EOK if succeed, error code otherwise.
132 *
133 */
134 errno_t (*tx_handler)(struct ieee80211_dev *, void *, size_t);
135
136 /** Set device operating frequency to given value.
137 *
138 * @param ieee80211_dev Pointer to IEEE 802.11 device structure.
139 * @param freq New device operating frequency.
140 *
141 * @return EOK if succeed, error code otherwise.
142 *
143 */
144 errno_t (*set_freq)(struct ieee80211_dev *, uint16_t);
145
146 /** Callback to inform device about BSSID change.
147 *
148 * @param ieee80211_dev Pointer to IEEE 802.11 device structure.
149 * @param connected True if connected to new BSSID, otherwise false.
150 *
151 * @return EOK if succeed, error code otherwise.
152 *
153 */
154 errno_t (*bssid_change)(struct ieee80211_dev *, bool);
155
156 /** Callback to setup encryption key in IEEE 802.11 device.
157 *
158 * @param ieee80211_dev Pointer to IEEE 802.11 device structure.
159 * @param key_conf Key config structure.
160 * @param insert True to insert this key to device,
161 * false to remove it.
162 *
163 * @return EOK if succeed, error code otherwise.
164 *
165 */
166 errno_t (*key_config)(struct ieee80211_dev *,
167 ieee80211_key_config_t *key_conf, bool);
168} ieee80211_ops_t;
169
170/* Initialization functions. */
171extern ieee80211_dev_t *ieee80211_device_create(void);
172extern errno_t ieee80211_device_init(ieee80211_dev_t *, ddf_dev_t *);
173extern errno_t ieee80211_init(ieee80211_dev_t *, ieee80211_ops_t *,
174 ieee80211_iface_t *, nic_iface_t *, ddf_dev_ops_t *);
175
176/* Getters & setters, queries & reports. */
177extern void *ieee80211_get_specific(ieee80211_dev_t *);
178extern void ieee80211_set_specific(ieee80211_dev_t *, void *);
179extern ddf_dev_t *ieee80211_get_ddf_dev(ieee80211_dev_t *);
180extern ieee80211_operating_mode_t ieee80211_query_current_op_mode(
181 ieee80211_dev_t *);
182extern uint16_t ieee80211_query_current_freq(ieee80211_dev_t *);
183extern void ieee80211_query_bssid(ieee80211_dev_t *, nic_address_t *);
184extern bool ieee80211_is_connected(ieee80211_dev_t *);
185extern void ieee80211_report_current_op_mode(ieee80211_dev_t *,
186 ieee80211_operating_mode_t);
187extern void ieee80211_report_current_freq(ieee80211_dev_t *, uint16_t);
188extern uint16_t ieee80211_get_aid(ieee80211_dev_t *);
189extern int ieee80211_get_pairwise_security(ieee80211_dev_t *);
190extern bool ieee80211_is_ready(ieee80211_dev_t *);
191extern void ieee80211_set_ready(ieee80211_dev_t *, bool);
192extern bool ieee80211_query_using_key(ieee80211_dev_t *);
193extern void ieee80211_setup_key_confirm(ieee80211_dev_t *, bool);
194
195extern bool ieee80211_is_data_frame(uint16_t);
196extern bool ieee80211_is_mgmt_frame(uint16_t);
197extern bool ieee80211_is_beacon_frame(uint16_t);
198extern bool ieee80211_is_probe_response_frame(uint16_t);
199extern bool ieee80211_is_auth_frame(uint16_t);
200extern bool ieee80211_is_assoc_response_frame(uint16_t);
201
202/* Worker functions. */
203extern errno_t ieee80211_rx_handler(ieee80211_dev_t *, void *, size_t);
204
205#endif
206
207/** @}
208 */
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