Annotation of sys/net80211/ieee80211_node.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: ieee80211_node.h,v 1.21 2007/08/03 16:51:06 damien Exp $ */
2: /* $NetBSD: ieee80211_node.h,v 1.9 2004/04/30 22:57:32 dyoung Exp $ */
3:
4: /*-
5: * Copyright (c) 2001 Atsushi Onoe
6: * Copyright (c) 2002, 2003 Sam Leffler, Errno Consulting
7: * All rights reserved.
8: *
9: * Redistribution and use in source and binary forms, with or without
10: * modification, are permitted provided that the following conditions
11: * are met:
12: * 1. Redistributions of source code must retain the above copyright
13: * notice, this list of conditions and the following disclaimer.
14: * 2. Redistributions in binary form must reproduce the above copyright
15: * notice, this list of conditions and the following disclaimer in the
16: * documentation and/or other materials provided with the distribution.
17: * 3. The name of the author may not be used to endorse or promote products
18: * derived from this software without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30: *
31: * $FreeBSD: src/sys/net80211/ieee80211_node.h,v 1.10 2004/04/05 22:10:26 sam Exp $
32: */
33: #ifndef _NET80211_IEEE80211_NODE_H_
34: #define _NET80211_IEEE80211_NODE_H_
35:
36: #define IEEE80211_PSCAN_WAIT 5 /* passive scan wait */
37: #define IEEE80211_TRANS_WAIT 5 /* transition wait */
38: #define IEEE80211_INACT_WAIT 5 /* inactivity timer interval */
39: #define IEEE80211_INACT_MAX (300/IEEE80211_INACT_WAIT)
40: #define IEEE80211_CACHE_SIZE 100
41:
42: struct ieee80211_rateset {
43: u_int8_t rs_nrates;
44: u_int8_t rs_rates[IEEE80211_RATE_MAXSIZE];
45: };
46:
47: extern const struct ieee80211_rateset ieee80211_std_rateset_11a;
48: extern const struct ieee80211_rateset ieee80211_std_rateset_11b;
49: extern const struct ieee80211_rateset ieee80211_std_rateset_11g;
50:
51: enum ieee80211_node_state {
52: IEEE80211_STA_CACHE, /* cached node */
53: IEEE80211_STA_BSS, /* ic->ic_bss, the network we joined */
54: IEEE80211_STA_AUTH, /* successfully authenticated */
55: IEEE80211_STA_ASSOC, /* successfully associated */
56: IEEE80211_STA_COLLECT /* This node remains in the cache while
57: * the driver sends a de-auth message;
58: * afterward it should be freed to make room
59: * for a new node.
60: */
61: };
62:
63: #define ieee80211_node_newstate(__ni, __state) \
64: do { \
65: (__ni)->ni_state = (__state); \
66: } while (0)
67:
68: /*
69: * Node specific information. Note that drivers are expected
70: * to derive from this structure to add device-specific per-node
71: * state. This is done by overriding the ic_node_* methods in
72: * the ieee80211com structure.
73: */
74: struct ieee80211_node {
75: RB_ENTRY(ieee80211_node) ni_node;
76:
77: u_int ni_refcnt;
78: u_int ni_scangen; /* gen# for timeout scan */
79:
80: /* hardware */
81: u_int32_t ni_rstamp; /* recv timestamp */
82: u_int8_t ni_rssi; /* recv ssi */
83:
84: /* header */
85: u_int8_t ni_macaddr[IEEE80211_ADDR_LEN];
86: u_int8_t ni_bssid[IEEE80211_ADDR_LEN];
87:
88: /* beacon, probe response */
89: u_int8_t ni_tstamp[8]; /* from last rcv'd beacon */
90: u_int16_t ni_intval; /* beacon interval */
91: u_int16_t ni_capinfo; /* capabilities */
92: u_int8_t ni_esslen;
93: u_int8_t ni_essid[IEEE80211_NWID_LEN];
94: struct ieee80211_rateset ni_rates; /* negotiated rate set */
95: u_int8_t *ni_country; /* country information XXX */
96: struct ieee80211_channel *ni_chan;
97: u_int16_t ni_fhdwell; /* FH only */
98: u_int8_t ni_fhindex; /* FH only */
99: u_int8_t ni_erp; /* 11g only */
100:
101: #ifdef notyet
102: /* DTIM and contention free period (CFP) */
103: u_int8_t ni_dtimperiod;
104: u_int8_t ni_cfpperiod; /* # of DTIMs between CFPs */
105: u_int16_t ni_cfpduremain; /* remaining cfp duration */
106: u_int16_t ni_cfpmaxduration;/* max CFP duration in TU */
107: u_int16_t ni_nextdtim; /* time to next DTIM */
108: u_int16_t ni_timoffset;
109: #endif
110:
111: /* power saving mode */
112: u_int8_t ni_pwrsave;
113: struct ifqueue ni_savedq; /* packets queued for pspoll */
114:
115: /* RSN */
116: u_int ni_group_cipher;
117: enum ieee80211_cipher ni_pairwise_cipher;
118: u_int ni_pairwise_cipherset;
119: enum ieee80211_akm ni_akm;
120: u_int ni_akmset;
121: u_int16_t ni_rsncaps;
122: int ni_port_valid;
123: u_int8_t ni_eapol_desc;
124: u_int8_t ni_nonce[EAPOL_KEY_NONCE_LEN];
125: u_int64_t ni_replaycnt;
126: u_int8_t ni_replaycnt_ok;
127: u_int8_t *ni_rsnie;
128: struct ieee80211_key ni_pairwise_key;
129: struct ieee80211_ptk ni_ptk;
130: u_int8_t ni_ptk_ok;
131: u_int8_t ni_key_count;
132:
133: /* others */
134: u_int16_t ni_associd; /* assoc response */
135: u_int16_t ni_txseq; /* seq to be transmitted */
136: u_int16_t ni_rxseq; /* seq previous received */
137: u_int16_t ni_qos_txseqs[IEEE80211_NUM_TID];
138: u_int16_t ni_qos_rxseqs[IEEE80211_NUM_TID];
139: int ni_fails; /* failure count to associate */
140: int ni_inact; /* inactivity mark count */
141: int ni_txrate; /* index to ni_rates[] */
142: int ni_state;
143:
144: u_int8_t ni_flags; /* special-purpose state */
145: #define IEEE80211_NODE_ERP 0x01
146: #define IEEE80211_NODE_QOS 0x02
147: };
148:
149: RB_HEAD(ieee80211_tree, ieee80211_node);
150:
151: #define ieee80211_node_incref(ni) \
152: do { \
153: int _s = splnet(); \
154: (ni)->ni_refcnt++; \
155: splx(_s); \
156: } while (0)
157:
158: static __inline int
159: ieee80211_node_decref(struct ieee80211_node *ni)
160: {
161: int refcnt, s;
162: s = splnet();
163: refcnt = --ni->ni_refcnt;
164: splx(s);
165: return refcnt;
166: }
167:
168: static __inline struct ieee80211_node *
169: ieee80211_ref_node(struct ieee80211_node *ni)
170: {
171: ieee80211_node_incref(ni);
172: return ni;
173: }
174:
175: static __inline void
176: ieee80211_unref_node(struct ieee80211_node **ni)
177: {
178: ieee80211_node_decref(*ni);
179: *ni = NULL; /* guard against use */
180: }
181:
182: struct ieee80211com;
183:
184: #ifdef MALLOC_DECLARE
185: MALLOC_DECLARE(M_80211_NODE);
186: #endif
187:
188: extern void ieee80211_node_attach(struct ifnet *);
189: extern void ieee80211_node_lateattach(struct ifnet *);
190: extern void ieee80211_node_detach(struct ifnet *);
191:
192: extern void ieee80211_begin_scan(struct ifnet *);
193: extern void ieee80211_next_scan(struct ifnet *);
194: extern void ieee80211_end_scan(struct ifnet *);
195: extern void ieee80211_reset_scan(struct ifnet *);
196: extern struct ieee80211_node *ieee80211_alloc_node(struct ieee80211com *,
197: const u_int8_t *);
198: extern struct ieee80211_node *ieee80211_dup_bss(struct ieee80211com *,
199: const u_int8_t *);
200: extern struct ieee80211_node *ieee80211_find_node(struct ieee80211com *,
201: const u_int8_t *);
202: extern struct ieee80211_node *ieee80211_find_rxnode(struct ieee80211com *,
203: const struct ieee80211_frame *);
204: extern struct ieee80211_node *ieee80211_find_txnode(struct ieee80211com *,
205: const u_int8_t *);
206: extern struct ieee80211_node *
207: ieee80211_find_node_for_beacon(struct ieee80211com *,
208: const u_int8_t *, const struct ieee80211_channel *,
209: const char *, u_int8_t);
210: extern void ieee80211_release_node(struct ieee80211com *,
211: struct ieee80211_node *);
212: extern void ieee80211_free_allnodes(struct ieee80211com *);
213: typedef void ieee80211_iter_func(void *, struct ieee80211_node *);
214: extern void ieee80211_iterate_nodes(struct ieee80211com *ic,
215: ieee80211_iter_func *, void *);
216: extern void ieee80211_clean_nodes(struct ieee80211com *);
217: extern int ieee80211_iserp_sta(const struct ieee80211_node *);
218:
219: extern void ieee80211_node_join(struct ieee80211com *,
220: struct ieee80211_node *, int);
221: extern void ieee80211_node_leave(struct ieee80211com *,
222: struct ieee80211_node *);
223: extern int ieee80211_match_bss(struct ieee80211com *,
224: struct ieee80211_node *);
225: extern void ieee80211_create_ibss(struct ieee80211com* ,
226: struct ieee80211_channel *);
227:
228: extern int ieee80211_node_cmp(const struct ieee80211_node *,
229: const struct ieee80211_node *);
230: RB_PROTOTYPE(ieee80211_tree, ieee80211_node, ni_node, ieee80211_node_cmp);
231:
232: #endif /* _NET80211_IEEE80211_NODE_H_ */
CVSweb
![[BACK]](/icons/back.gif){kind=icon}
Return to ieee80211_node.h CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / sys / net80211