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ieee80211_proto.h (170360) ieee80211_proto.h (170530)
1/*-
2 * Copyright (c) 2001 Atsushi Onoe
3 * Copyright (c) 2002-2007 Sam Leffler, Errno Consulting
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:

--- 9 unchanged lines hidden (view full) ---

18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
1/*-
2 * Copyright (c) 2001 Atsushi Onoe
3 * Copyright (c) 2002-2007 Sam Leffler, Errno Consulting
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:

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18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * $FreeBSD: head/sys/net80211/ieee80211_proto.h 170360 2007-06-06 04:56:04Z sam $
26 * $FreeBSD: head/sys/net80211/ieee80211_proto.h 170530 2007-06-11 03:36:55Z sam $
27 */
28#ifndef _NET80211_IEEE80211_PROTO_H_
29#define _NET80211_IEEE80211_PROTO_H_
30
31/*
32 * 802.11 protocol implementation definitions.
33 */
34

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47extern const char *ieee80211_mgt_subtype_name[];
48extern const char *ieee80211_phymode_name[];
49
50void ieee80211_proto_attach(struct ieee80211com *);
51void ieee80211_proto_detach(struct ieee80211com *);
52
53struct ieee80211_node;
54int ieee80211_input(struct ieee80211com *, struct mbuf *,
27 */
28#ifndef _NET80211_IEEE80211_PROTO_H_
29#define _NET80211_IEEE80211_PROTO_H_
30
31/*
32 * 802.11 protocol implementation definitions.
33 */
34

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47extern const char *ieee80211_mgt_subtype_name[];
48extern const char *ieee80211_phymode_name[];
49
50void ieee80211_proto_attach(struct ieee80211com *);
51void ieee80211_proto_detach(struct ieee80211com *);
52
53struct ieee80211_node;
54int ieee80211_input(struct ieee80211com *, struct mbuf *,
55 struct ieee80211_node *, int, u_int32_t);
55 struct ieee80211_node *, int, int, uint32_t);
56void ieee80211_deliver_data(struct ieee80211com *,
57 struct ieee80211_node *, struct mbuf *);
58struct mbuf *ieee80211_decap1(struct mbuf *, int *);
56int ieee80211_setup_rates(struct ieee80211_node *ni,
59int ieee80211_setup_rates(struct ieee80211_node *ni,
57 const u_int8_t *rates, const u_int8_t *xrates, int flags);
58void ieee80211_saveie(u_int8_t **, const u_int8_t *);
60 const uint8_t *rates, const uint8_t *xrates, int flags);
61void ieee80211_saveie(uint8_t **, const uint8_t *);
62void ieee80211_saveath(struct ieee80211_node *, uint8_t *);
59void ieee80211_recv_mgmt(struct ieee80211com *, struct mbuf *,
63void ieee80211_recv_mgmt(struct ieee80211com *, struct mbuf *,
60 struct ieee80211_node *, int, int, u_int32_t);
64 struct ieee80211_node *, int, int, int, uint32_t);
65int ieee80211_mgmt_output(struct ieee80211com *, struct ieee80211_node *,
66 struct mbuf *, int type);
61struct ieee80211_bpf_params;
62int ieee80211_raw_xmit(struct ieee80211_node *, struct mbuf *,
63 const struct ieee80211_bpf_params *);
64int ieee80211_output(struct ifnet *, struct mbuf *,
65 struct sockaddr *, struct rtentry *);
66int ieee80211_send_nulldata(struct ieee80211_node *);
67struct ieee80211_bpf_params;
68int ieee80211_raw_xmit(struct ieee80211_node *, struct mbuf *,
69 const struct ieee80211_bpf_params *);
70int ieee80211_output(struct ifnet *, struct mbuf *,
71 struct sockaddr *, struct rtentry *);
72int ieee80211_send_nulldata(struct ieee80211_node *);
67int ieee80211_send_probereq(struct ieee80211_node *ni,
68 const u_int8_t sa[IEEE80211_ADDR_LEN],
69 const u_int8_t da[IEEE80211_ADDR_LEN],
70 const u_int8_t bssid[IEEE80211_ADDR_LEN],
71 const u_int8_t *ssid, size_t ssidlen,
72 const void *optie, size_t optielen);
73int ieee80211_send_mgmt(struct ieee80211com *, struct ieee80211_node *,
74 int, int);
73int ieee80211_send_mgmt(struct ieee80211com *, struct ieee80211_node *,
74 int, int);
75int ieee80211_send_probereq(struct ieee80211_node *ni,
76 const uint8_t sa[IEEE80211_ADDR_LEN],
77 const uint8_t da[IEEE80211_ADDR_LEN],
78 const uint8_t bssid[IEEE80211_ADDR_LEN],
79 const uint8_t *ssid, size_t ssidlen,
80 const void *optie, size_t optielen);
75int ieee80211_classify(struct ieee80211com *, struct mbuf *,
76 struct ieee80211_node *);
77struct mbuf *ieee80211_encap(struct ieee80211com *, struct mbuf *,
78 struct ieee80211_node *);
81int ieee80211_classify(struct ieee80211com *, struct mbuf *,
82 struct ieee80211_node *);
83struct mbuf *ieee80211_encap(struct ieee80211com *, struct mbuf *,
84 struct ieee80211_node *);
79void ieee80211_pwrsave(struct ieee80211com *, struct ieee80211_node *,
80 struct mbuf *);
81
82void ieee80211_reset_erp(struct ieee80211com *);
83void ieee80211_set_shortslottime(struct ieee80211com *, int onoff);
84int ieee80211_iserp_rateset(struct ieee80211com *,
85 struct ieee80211_rateset *);
86void ieee80211_set11gbasicrates(struct ieee80211_rateset *,
87 enum ieee80211_phymode);
88

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96 int size = sizeof(struct ieee80211_frame);
97
98 /* NB: we don't handle control frames */
99 KASSERT((wh->i_fc[0]&IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_CTL,
100 ("%s: control frame", __func__));
101 if ((wh->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS)
102 size += IEEE80211_ADDR_LEN;
103 if (IEEE80211_QOS_HAS_SEQ(wh))
85
86void ieee80211_reset_erp(struct ieee80211com *);
87void ieee80211_set_shortslottime(struct ieee80211com *, int onoff);
88int ieee80211_iserp_rateset(struct ieee80211com *,
89 struct ieee80211_rateset *);
90void ieee80211_set11gbasicrates(struct ieee80211_rateset *,
91 enum ieee80211_phymode);
92

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100 int size = sizeof(struct ieee80211_frame);
101
102 /* NB: we don't handle control frames */
103 KASSERT((wh->i_fc[0]&IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_CTL,
104 ("%s: control frame", __func__));
105 if ((wh->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS)
106 size += IEEE80211_ADDR_LEN;
107 if (IEEE80211_QOS_HAS_SEQ(wh))
104 size += sizeof(u_int16_t);
108 size += sizeof(uint16_t);
105 return size;
106}
107
108/*
109 return size;
110}
111
112/*
109 * Return the size of the 802.11 header; handles any type of frame.
113 * Like ieee80211_hdrsize, but handles any type of frame.
110 */
111static __inline int
112ieee80211_anyhdrsize(const void *data)
113{
114 const struct ieee80211_frame *wh = data;
115
116 if ((wh->i_fc[0]&IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_CTL) {
117 switch (wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) {
118 case IEEE80211_FC0_SUBTYPE_CTS:
119 case IEEE80211_FC0_SUBTYPE_ACK:
120 return sizeof(struct ieee80211_frame_ack);
114 */
115static __inline int
116ieee80211_anyhdrsize(const void *data)
117{
118 const struct ieee80211_frame *wh = data;
119
120 if ((wh->i_fc[0]&IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_CTL) {
121 switch (wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) {
122 case IEEE80211_FC0_SUBTYPE_CTS:
123 case IEEE80211_FC0_SUBTYPE_ACK:
124 return sizeof(struct ieee80211_frame_ack);
125 case IEEE80211_FC0_SUBTYPE_BAR:
126 return sizeof(struct ieee80211_frame_bar);
121 }
122 return sizeof(struct ieee80211_frame_min);
123 } else
124 return ieee80211_hdrsize(data);
125}
126
127/*
128 * Template for an in-kernel authenticator. Authenticators

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149 * register with the protocol code and are passed the sender's
150 * address of each received frame for validation.
151 */
152struct ieee80211_aclator {
153 const char *iac_name; /* printable name */
154 int (*iac_attach)(struct ieee80211com *);
155 void (*iac_detach)(struct ieee80211com *);
156 int (*iac_check)(struct ieee80211com *,
127 }
128 return sizeof(struct ieee80211_frame_min);
129 } else
130 return ieee80211_hdrsize(data);
131}
132
133/*
134 * Template for an in-kernel authenticator. Authenticators

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155 * register with the protocol code and are passed the sender's
156 * address of each received frame for validation.
157 */
158struct ieee80211_aclator {
159 const char *iac_name; /* printable name */
160 int (*iac_attach)(struct ieee80211com *);
161 void (*iac_detach)(struct ieee80211com *);
162 int (*iac_check)(struct ieee80211com *,
157 const u_int8_t mac[IEEE80211_ADDR_LEN]);
163 const uint8_t mac[IEEE80211_ADDR_LEN]);
158 int (*iac_add)(struct ieee80211com *,
164 int (*iac_add)(struct ieee80211com *,
159 const u_int8_t mac[IEEE80211_ADDR_LEN]);
165 const uint8_t mac[IEEE80211_ADDR_LEN]);
160 int (*iac_remove)(struct ieee80211com *,
166 int (*iac_remove)(struct ieee80211com *,
161 const u_int8_t mac[IEEE80211_ADDR_LEN]);
167 const uint8_t mac[IEEE80211_ADDR_LEN]);
162 int (*iac_flush)(struct ieee80211com *);
163 int (*iac_setpolicy)(struct ieee80211com *, int);
164 int (*iac_getpolicy)(struct ieee80211com *);
165 int (*iac_setioctl)(struct ieee80211com *, struct ieee80211req *);
166 int (*iac_getioctl)(struct ieee80211com *, struct ieee80211req *);
167};
168void ieee80211_aclator_register(const struct ieee80211_aclator *);
169void ieee80211_aclator_unregister(const struct ieee80211_aclator *);
170const struct ieee80211_aclator *ieee80211_aclator_get(const char *name);
171
172/* flags for ieee80211_fix_rate() */
173#define IEEE80211_F_DOSORT 0x00000001 /* sort rate list */
174#define IEEE80211_F_DOFRATE 0x00000002 /* use fixed rate */
175#define IEEE80211_F_DONEGO 0x00000004 /* calc negotiated rate */
176#define IEEE80211_F_DODEL 0x00000008 /* delete ignore rate */
168 int (*iac_flush)(struct ieee80211com *);
169 int (*iac_setpolicy)(struct ieee80211com *, int);
170 int (*iac_getpolicy)(struct ieee80211com *);
171 int (*iac_setioctl)(struct ieee80211com *, struct ieee80211req *);
172 int (*iac_getioctl)(struct ieee80211com *, struct ieee80211req *);
173};
174void ieee80211_aclator_register(const struct ieee80211_aclator *);
175void ieee80211_aclator_unregister(const struct ieee80211_aclator *);
176const struct ieee80211_aclator *ieee80211_aclator_get(const char *name);
177
178/* flags for ieee80211_fix_rate() */
179#define IEEE80211_F_DOSORT 0x00000001 /* sort rate list */
180#define IEEE80211_F_DOFRATE 0x00000002 /* use fixed rate */
181#define IEEE80211_F_DONEGO 0x00000004 /* calc negotiated rate */
182#define IEEE80211_F_DODEL 0x00000008 /* delete ignore rate */
177#define IEEE80211_F_JOIN 0x00000010 /* sta joining our bss */
183#define IEEE80211_F_DOBRS 0x00000010 /* check basic rate set */
184#define IEEE80211_F_JOIN 0x00000020 /* sta joining our bss */
178int ieee80211_fix_rate(struct ieee80211_node *,
179 struct ieee80211_rateset *, int);
180
181/*
182 * WME/WMM support.
183 */
184struct wmeParams {
185int ieee80211_fix_rate(struct ieee80211_node *,
186 struct ieee80211_rateset *, int);
187
188/*
189 * WME/WMM support.
190 */
191struct wmeParams {
185 u_int8_t wmep_acm;
186 u_int8_t wmep_aifsn;
187 u_int8_t wmep_logcwmin; /* log2(cwmin) */
188 u_int8_t wmep_logcwmax; /* log2(cwmax) */
189 u_int8_t wmep_txopLimit;
190 u_int8_t wmep_noackPolicy; /* 0 (ack), 1 (no ack) */
192 uint8_t wmep_acm;
193 uint8_t wmep_aifsn;
194 uint8_t wmep_logcwmin; /* log2(cwmin) */
195 uint8_t wmep_logcwmax; /* log2(cwmax) */
196 uint8_t wmep_txopLimit;
197 uint8_t wmep_noackPolicy; /* 0 (ack), 1 (no ack) */
191};
192#define IEEE80211_TXOP_TO_US(_txop) ((_txop)<<5)
193#define IEEE80211_US_TO_TXOP(_us) ((_us)>>5)
194
195struct chanAccParams {
198};
199#define IEEE80211_TXOP_TO_US(_txop) ((_txop)<<5)
200#define IEEE80211_US_TO_TXOP(_us) ((_us)>>5)
201
202struct chanAccParams {
196 u_int8_t cap_info; /* version of the current set */
203 uint8_t cap_info; /* version of the current set */
197 struct wmeParams cap_wmeParams[WME_NUM_AC];
198};
199
200struct ieee80211_wme_state {
201 u_int wme_flags;
202#define WME_F_AGGRMODE 0x00000001 /* STATUS: WME agressive mode */
203 u_int wme_hipri_traffic; /* VI/VO frames in beacon interval */
204 u_int wme_hipri_switch_thresh;/* agressive mode switch thresh */

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214};
215
216void ieee80211_wme_initparams(struct ieee80211com *);
217void ieee80211_wme_updateparams(struct ieee80211com *);
218void ieee80211_wme_updateparams_locked(struct ieee80211com *);
219
220#define ieee80211_new_state(_ic, _nstate, _arg) \
221 (((_ic)->ic_newstate)((_ic), (_nstate), (_arg)))
204 struct wmeParams cap_wmeParams[WME_NUM_AC];
205};
206
207struct ieee80211_wme_state {
208 u_int wme_flags;
209#define WME_F_AGGRMODE 0x00000001 /* STATUS: WME agressive mode */
210 u_int wme_hipri_traffic; /* VI/VO frames in beacon interval */
211 u_int wme_hipri_switch_thresh;/* agressive mode switch thresh */

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221};
222
223void ieee80211_wme_initparams(struct ieee80211com *);
224void ieee80211_wme_updateparams(struct ieee80211com *);
225void ieee80211_wme_updateparams_locked(struct ieee80211com *);
226
227#define ieee80211_new_state(_ic, _nstate, _arg) \
228 (((_ic)->ic_newstate)((_ic), (_nstate), (_arg)))
229int ieee80211_init(struct ieee80211com *, int forcescan);
230void ieee80211_dturbo_switch(struct ieee80211com *, int newflags);
222void ieee80211_beacon_miss(struct ieee80211com *);
231void ieee80211_beacon_miss(struct ieee80211com *);
223void ieee80211_print_essid(const u_int8_t *, int);
224void ieee80211_dump_pkt(const u_int8_t *, int, int, int);
232void ieee80211_print_essid(const uint8_t *, int);
233void ieee80211_dump_pkt(struct ieee80211com *,
234 const uint8_t *, int, int, int);
225
226extern const char *ieee80211_opmode_name[];
227extern const char *ieee80211_state_name[IEEE80211_S_MAX];
228extern const char *ieee80211_wme_acnames[];
229
230/*
231 * Beacon frames constructed by ieee80211_beacon_alloc
232 * have the following structure filled in so drivers
233 * can update the frame later w/ minimal overhead.
234 */
235struct ieee80211_beacon_offsets {
235
236extern const char *ieee80211_opmode_name[];
237extern const char *ieee80211_state_name[IEEE80211_S_MAX];
238extern const char *ieee80211_wme_acnames[];
239
240/*
241 * Beacon frames constructed by ieee80211_beacon_alloc
242 * have the following structure filled in so drivers
243 * can update the frame later w/ minimal overhead.
244 */
245struct ieee80211_beacon_offsets {
236 u_int16_t *bo_caps; /* capabilities */
237 u_int8_t *bo_tim; /* start of atim/dtim */
238 u_int8_t *bo_wme; /* start of WME parameters */
239 u_int8_t *bo_trailer; /* start of fixed-size trailer */
240 u_int16_t bo_tim_len; /* atim/dtim length in bytes */
241 u_int16_t bo_trailer_len; /* trailer length in bytes */
242 u_int8_t *bo_erp; /* start of ERP element */
246 uint16_t *bo_caps; /* capabilities */
247 uint8_t *bo_tim; /* start of atim/dtim */
248 uint8_t *bo_wme; /* start of WME parameters */
249 uint8_t *bo_trailer; /* start of fixed-size trailer */
250 uint16_t bo_tim_len; /* atim/dtim length in bytes */
251 uint16_t bo_trailer_len; /* trailer length in bytes */
252 uint8_t *bo_erp; /* start of ERP element */
253 uint8_t *bo_htinfo; /* start of HT info element */
243};
244struct mbuf *ieee80211_beacon_alloc(struct ieee80211com *,
245 struct ieee80211_node *, struct ieee80211_beacon_offsets *);
246int ieee80211_beacon_update(struct ieee80211com *,
247 struct ieee80211_node *, struct ieee80211_beacon_offsets *,
248 struct mbuf *, int broadcast);
249
250/*
251 * Notification methods called from the 802.11 state machine.
252 * Note that while these are defined here, their implementation
253 * is OS-specific.
254 */
255void ieee80211_notify_node_join(struct ieee80211com *,
256 struct ieee80211_node *, int newassoc);
257void ieee80211_notify_node_leave(struct ieee80211com *,
258 struct ieee80211_node *);
259void ieee80211_notify_scan_done(struct ieee80211com *);
260#endif /* _NET80211_IEEE80211_PROTO_H_ */
254};
255struct mbuf *ieee80211_beacon_alloc(struct ieee80211com *,
256 struct ieee80211_node *, struct ieee80211_beacon_offsets *);
257int ieee80211_beacon_update(struct ieee80211com *,
258 struct ieee80211_node *, struct ieee80211_beacon_offsets *,
259 struct mbuf *, int broadcast);
260
261/*
262 * Notification methods called from the 802.11 state machine.
263 * Note that while these are defined here, their implementation
264 * is OS-specific.
265 */
266void ieee80211_notify_node_join(struct ieee80211com *,
267 struct ieee80211_node *, int newassoc);
268void ieee80211_notify_node_leave(struct ieee80211com *,
269 struct ieee80211_node *);
270void ieee80211_notify_scan_done(struct ieee80211com *);
271#endif /* _NET80211_IEEE80211_PROTO_H_ */