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704232c2 JB |
1 | #ifndef __NET_CFG80211_H |
2 | #define __NET_CFG80211_H | |
3 | ||
4 | #include <linux/netlink.h> | |
5 | #include <linux/skbuff.h> | |
55682965 | 6 | #include <linux/nl80211.h> |
704232c2 JB |
7 | #include <net/genetlink.h> |
8 | ||
9 | /* | |
10 | * 802.11 configuration in-kernel interface | |
11 | * | |
55682965 | 12 | * Copyright 2006, 2007 Johannes Berg <johannes@sipsolutions.net> |
704232c2 JB |
13 | */ |
14 | ||
179f831b AG |
15 | /* Radiotap header iteration |
16 | * implemented in net/wireless/radiotap.c | |
17 | * docs in Documentation/networking/radiotap-headers.txt | |
18 | */ | |
19 | /** | |
20 | * struct ieee80211_radiotap_iterator - tracks walk thru present radiotap args | |
21 | * @rtheader: pointer to the radiotap header we are walking through | |
22 | * @max_length: length of radiotap header in cpu byte ordering | |
23 | * @this_arg_index: IEEE80211_RADIOTAP_... index of current arg | |
24 | * @this_arg: pointer to current radiotap arg | |
25 | * @arg_index: internal next argument index | |
26 | * @arg: internal next argument pointer | |
27 | * @next_bitmap: internal pointer to next present u32 | |
28 | * @bitmap_shifter: internal shifter for curr u32 bitmap, b0 set == arg present | |
29 | */ | |
30 | ||
31 | struct ieee80211_radiotap_iterator { | |
32 | struct ieee80211_radiotap_header *rtheader; | |
33 | int max_length; | |
34 | int this_arg_index; | |
35 | u8 *this_arg; | |
36 | ||
37 | int arg_index; | |
38 | u8 *arg; | |
39 | __le32 *next_bitmap; | |
40 | u32 bitmap_shifter; | |
41 | }; | |
42 | ||
43 | extern int ieee80211_radiotap_iterator_init( | |
44 | struct ieee80211_radiotap_iterator *iterator, | |
45 | struct ieee80211_radiotap_header *radiotap_header, | |
46 | int max_length); | |
47 | ||
48 | extern int ieee80211_radiotap_iterator_next( | |
49 | struct ieee80211_radiotap_iterator *iterator); | |
50 | ||
51 | ||
41ade00f JB |
52 | /** |
53 | * struct key_params - key information | |
54 | * | |
55 | * Information about a key | |
56 | * | |
57 | * @key: key material | |
58 | * @key_len: length of key material | |
59 | * @cipher: cipher suite selector | |
60 | * @seq: sequence counter (IV/PN) for TKIP and CCMP keys, only used | |
61 | * with the get_key() callback, must be in little endian, | |
62 | * length given by @seq_len. | |
63 | */ | |
64 | struct key_params { | |
65 | u8 *key; | |
66 | u8 *seq; | |
67 | int key_len; | |
68 | int seq_len; | |
69 | u32 cipher; | |
70 | }; | |
71 | ||
ed1b6cc7 JB |
72 | /** |
73 | * struct beacon_parameters - beacon parameters | |
74 | * | |
75 | * Used to configure the beacon for an interface. | |
76 | * | |
77 | * @head: head portion of beacon (before TIM IE) | |
78 | * or %NULL if not changed | |
79 | * @tail: tail portion of beacon (after TIM IE) | |
80 | * or %NULL if not changed | |
81 | * @interval: beacon interval or zero if not changed | |
82 | * @dtim_period: DTIM period or zero if not changed | |
83 | * @head_len: length of @head | |
84 | * @tail_len: length of @tail | |
85 | */ | |
86 | struct beacon_parameters { | |
87 | u8 *head, *tail; | |
88 | int interval, dtim_period; | |
89 | int head_len, tail_len; | |
90 | }; | |
91 | ||
5727ef1b JB |
92 | /** |
93 | * enum station_flags - station flags | |
94 | * | |
95 | * Station capability flags. Note that these must be the bits | |
96 | * according to the nl80211 flags. | |
97 | * | |
98 | * @STATION_FLAG_CHANGED: station flags were changed | |
99 | * @STATION_FLAG_AUTHORIZED: station is authorized to send frames (802.1X) | |
100 | * @STATION_FLAG_SHORT_PREAMBLE: station is capable of receiving frames | |
101 | * with short preambles | |
102 | * @STATION_FLAG_WME: station is WME/QoS capable | |
103 | */ | |
104 | enum station_flags { | |
105 | STATION_FLAG_CHANGED = 1<<0, | |
106 | STATION_FLAG_AUTHORIZED = 1<<NL80211_STA_FLAG_AUTHORIZED, | |
107 | STATION_FLAG_SHORT_PREAMBLE = 1<<NL80211_STA_FLAG_SHORT_PREAMBLE, | |
108 | STATION_FLAG_WME = 1<<NL80211_STA_FLAG_WME, | |
109 | }; | |
110 | ||
111 | /** | |
112 | * struct station_parameters - station parameters | |
113 | * | |
114 | * Used to change and create a new station. | |
115 | * | |
116 | * @vlan: vlan interface station should belong to | |
117 | * @supported_rates: supported rates in IEEE 802.11 format | |
118 | * (or NULL for no change) | |
119 | * @supported_rates_len: number of supported rates | |
120 | * @station_flags: station flags (see &enum station_flags) | |
121 | * @listen_interval: listen interval or -1 for no change | |
122 | * @aid: AID or zero for no change | |
123 | */ | |
124 | struct station_parameters { | |
125 | u8 *supported_rates; | |
126 | struct net_device *vlan; | |
127 | u32 station_flags; | |
128 | int listen_interval; | |
129 | u16 aid; | |
130 | u8 supported_rates_len; | |
131 | }; | |
132 | ||
704232c2 JB |
133 | /* from net/wireless.h */ |
134 | struct wiphy; | |
135 | ||
136 | /** | |
137 | * struct cfg80211_ops - backend description for wireless configuration | |
138 | * | |
139 | * This struct is registered by fullmac card drivers and/or wireless stacks | |
140 | * in order to handle configuration requests on their interfaces. | |
141 | * | |
142 | * All callbacks except where otherwise noted should return 0 | |
143 | * on success or a negative error code. | |
144 | * | |
43fb45cb JB |
145 | * All operations are currently invoked under rtnl for consistency with the |
146 | * wireless extensions but this is subject to reevaluation as soon as this | |
147 | * code is used more widely and we have a first user without wext. | |
148 | * | |
704232c2 JB |
149 | * @add_virtual_intf: create a new virtual interface with the given name |
150 | * | |
151 | * @del_virtual_intf: remove the virtual interface determined by ifindex. | |
55682965 JB |
152 | * |
153 | * @change_virtual_intf: change type of virtual interface | |
154 | * | |
41ade00f JB |
155 | * @add_key: add a key with the given parameters. @mac_addr will be %NULL |
156 | * when adding a group key. | |
157 | * | |
158 | * @get_key: get information about the key with the given parameters. | |
159 | * @mac_addr will be %NULL when requesting information for a group | |
160 | * key. All pointers given to the @callback function need not be valid | |
161 | * after it returns. | |
162 | * | |
163 | * @del_key: remove a key given the @mac_addr (%NULL for a group key) | |
164 | * and @key_index | |
165 | * | |
166 | * @set_default_key: set the default key on an interface | |
ed1b6cc7 JB |
167 | * |
168 | * @add_beacon: Add a beacon with given parameters, @head, @interval | |
169 | * and @dtim_period will be valid, @tail is optional. | |
170 | * @set_beacon: Change the beacon parameters for an access point mode | |
171 | * interface. This should reject the call when no beacon has been | |
172 | * configured. | |
173 | * @del_beacon: Remove beacon configuration and stop sending the beacon. | |
5727ef1b JB |
174 | * |
175 | * @add_station: Add a new station. | |
176 | * | |
177 | * @del_station: Remove a station; @mac may be NULL to remove all stations. | |
178 | * | |
179 | * @change_station: Modify a given station. | |
704232c2 JB |
180 | */ |
181 | struct cfg80211_ops { | |
182 | int (*add_virtual_intf)(struct wiphy *wiphy, char *name, | |
55682965 | 183 | enum nl80211_iftype type); |
704232c2 | 184 | int (*del_virtual_intf)(struct wiphy *wiphy, int ifindex); |
55682965 JB |
185 | int (*change_virtual_intf)(struct wiphy *wiphy, int ifindex, |
186 | enum nl80211_iftype type); | |
41ade00f JB |
187 | |
188 | int (*add_key)(struct wiphy *wiphy, struct net_device *netdev, | |
189 | u8 key_index, u8 *mac_addr, | |
190 | struct key_params *params); | |
191 | int (*get_key)(struct wiphy *wiphy, struct net_device *netdev, | |
192 | u8 key_index, u8 *mac_addr, void *cookie, | |
193 | void (*callback)(void *cookie, struct key_params*)); | |
194 | int (*del_key)(struct wiphy *wiphy, struct net_device *netdev, | |
195 | u8 key_index, u8 *mac_addr); | |
196 | int (*set_default_key)(struct wiphy *wiphy, | |
197 | struct net_device *netdev, | |
198 | u8 key_index); | |
ed1b6cc7 JB |
199 | |
200 | int (*add_beacon)(struct wiphy *wiphy, struct net_device *dev, | |
201 | struct beacon_parameters *info); | |
202 | int (*set_beacon)(struct wiphy *wiphy, struct net_device *dev, | |
203 | struct beacon_parameters *info); | |
204 | int (*del_beacon)(struct wiphy *wiphy, struct net_device *dev); | |
5727ef1b JB |
205 | |
206 | ||
207 | int (*add_station)(struct wiphy *wiphy, struct net_device *dev, | |
208 | u8 *mac, struct station_parameters *params); | |
209 | int (*del_station)(struct wiphy *wiphy, struct net_device *dev, | |
210 | u8 *mac); | |
211 | int (*change_station)(struct wiphy *wiphy, struct net_device *dev, | |
212 | u8 *mac, struct station_parameters *params); | |
704232c2 JB |
213 | }; |
214 | ||
215 | #endif /* __NET_CFG80211_H */ |