Annotation of sys/net80211/ieee80211_var.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: ieee80211_var.h,v 1.32 2007/07/28 11:13:41 damien Exp $ */
2: /* $NetBSD: ieee80211_var.h,v 1.7 2004/05/06 03:07:10 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_var.h,v 1.15 2004/04/05 22:10:26 sam Exp $
32: */
33: #ifndef _NET80211_IEEE80211_VAR_H_
34: #define _NET80211_IEEE80211_VAR_H_
35:
36: /*
37: * Definitions for IEEE 802.11 drivers.
38: */
39:
40: #include <net80211/ieee80211.h>
41: #include <net80211/ieee80211_crypto.h>
42: #include <net80211/ieee80211_ioctl.h> /* for ieee80211_stats */
43: #include <net80211/ieee80211_node.h>
44: #include <net80211/ieee80211_proto.h>
45:
46: #define IEEE80211_CHAN_MAX 255
47: #define IEEE80211_CHAN_ANY 0xffff /* token for ``any channel'' */
48: #define IEEE80211_CHAN_ANYC \
49: ((struct ieee80211_channel *) IEEE80211_CHAN_ANY)
50:
51: #define IEEE80211_TXPOWER_MAX 100 /* max power */
52: #define IEEE80211_TXPOWER_MIN -50 /* kill radio (if possible) */
53:
54: enum ieee80211_phytype {
55: IEEE80211_T_DS, /* direct sequence spread spectrum */
56: IEEE80211_T_FH, /* frequency hopping */
57: IEEE80211_T_OFDM, /* frequency division multiplexing */
58: IEEE80211_T_TURBO, /* high rate OFDM, aka turbo mode */
59: IEEE80211_T_XR /* extended range mode */
60: };
61: #define IEEE80211_T_CCK IEEE80211_T_DS /* more common nomenclature */
62:
63: /* XXX not really a mode; there are really multiple PHY's */
64: enum ieee80211_phymode {
65: IEEE80211_MODE_AUTO = 0, /* autoselect */
66: IEEE80211_MODE_11A = 1, /* 5GHz, OFDM */
67: IEEE80211_MODE_11B = 2, /* 2GHz, CCK */
68: IEEE80211_MODE_11G = 3, /* 2GHz, OFDM */
69: IEEE80211_MODE_FH = 4, /* 2GHz, GFSK */
70: IEEE80211_MODE_TURBO = 5 /* 5GHz, OFDM, 2x clock */
71: };
72: #define IEEE80211_MODE_MAX (IEEE80211_MODE_TURBO+1)
73:
74: enum ieee80211_opmode {
75: IEEE80211_M_STA = 1, /* infrastructure station */
76: IEEE80211_M_IBSS = 0, /* IBSS (adhoc) station */
77: IEEE80211_M_AHDEMO = 3, /* Old lucent compatible adhoc demo */
78: IEEE80211_M_HOSTAP = 6, /* Software Access Point */
79: IEEE80211_M_MONITOR = 8 /* Monitor mode */
80: };
81:
82: /*
83: * 802.11g protection mode.
84: */
85: enum ieee80211_protmode {
86: IEEE80211_PROT_NONE = 0, /* no protection */
87: IEEE80211_PROT_CTSONLY = 1, /* CTS to self */
88: IEEE80211_PROT_RTSCTS = 2 /* RTS-CTS */
89: };
90:
91: /*
92: * Channels are specified by frequency and attributes.
93: */
94: struct ieee80211_channel {
95: u_int16_t ic_freq; /* setting in MHz */
96: u_int16_t ic_flags; /* see below */
97: };
98:
99: #define IEEE80211_IS_CHAN_FHSS(_c) \
100: (((_c)->ic_flags & IEEE80211_CHAN_FHSS) == IEEE80211_CHAN_FHSS)
101: #define IEEE80211_IS_CHAN_A(_c) \
102: (((_c)->ic_flags & IEEE80211_CHAN_A) == IEEE80211_CHAN_A)
103: #define IEEE80211_IS_CHAN_B(_c) \
104: (((_c)->ic_flags & IEEE80211_CHAN_B) == IEEE80211_CHAN_B)
105: #define IEEE80211_IS_CHAN_PUREG(_c) \
106: (((_c)->ic_flags & IEEE80211_CHAN_PUREG) == IEEE80211_CHAN_PUREG)
107: #define IEEE80211_IS_CHAN_G(_c) \
108: (((_c)->ic_flags & IEEE80211_CHAN_G) == IEEE80211_CHAN_G)
109: #define IEEE80211_IS_CHAN_T(_c) \
110: (((_c)->ic_flags & IEEE80211_CHAN_T) == IEEE80211_CHAN_T)
111: #define IEEE80211_IS_CHAN_TG(_c) \
112: (((_c)->ic_flags & IEEE80211_CHAN_TG) == IEEE80211_CHAN_TG)
113:
114: #define IEEE80211_IS_CHAN_2GHZ(_c) \
115: (((_c)->ic_flags & IEEE80211_CHAN_2GHZ) != 0)
116: #define IEEE80211_IS_CHAN_5GHZ(_c) \
117: (((_c)->ic_flags & IEEE80211_CHAN_5GHZ) != 0)
118: #define IEEE80211_IS_CHAN_OFDM(_c) \
119: (((_c)->ic_flags & IEEE80211_CHAN_OFDM) != 0)
120: #define IEEE80211_IS_CHAN_CCK(_c) \
121: (((_c)->ic_flags & IEEE80211_CHAN_CCK) != 0)
122: #define IEEE80211_IS_CHAN_GFSK(_c) \
123: (((_c)->ic_flags & IEEE80211_CHAN_GFSK) != 0)
124: #define IEEE80211_IS_CHAN_XR(_c) \
125: (((_c)->ic_flags & IEEE80211_CHAN_XR) != 0)
126:
127: /* ni_chan encoding for FH phy */
128: #define IEEE80211_FH_CHANMOD 80
129: #define IEEE80211_FH_CHAN(set,pat) (((set)-1)*IEEE80211_FH_CHANMOD+(pat))
130: #define IEEE80211_FH_CHANSET(chan) ((chan)/IEEE80211_FH_CHANMOD+1)
131: #define IEEE80211_FH_CHANPAT(chan) ((chan)%IEEE80211_FH_CHANMOD)
132:
133: /*
134: * 802.11e EDCA AC parameters.
135: */
136: struct ieee80211_edca_ac_params {
137: u_int8_t ac_ecwmin; /* CWmin = 2^ECWmin - 1 */
138: u_int8_t ac_ecwmax; /* CWmax = 2^ECWmax - 1 */
139: u_int8_t ac_aifsn;
140: u_int16_t ac_txoplimit; /* 32TU */
141: #define IEEE80211_TXOP_TO_US(txop) ((txop) * 32)
142:
143: u_int8_t ac_acm;
144: };
145:
146: #define IEEE80211_PS_SLEEP 0x1 /* STA is in power saving mode */
147:
148: #define IEEE80211_PS_MAX_QUEUE 50 /* maximum saved packets */
149:
150: #define IEEE80211_SCAN_UNLOCKED 0x0
151: #define IEEE80211_SCAN_LOCKED 0x1
152: #define IEEE80211_SCAN_REQUEST 0x2
153: #define IEEE80211_SCAN_RESUME 0x4
154:
155: struct ieee80211com {
156: struct arpcom ic_ac;
157: LIST_ENTRY(ieee80211com) ic_list; /* chain of all ieee80211com */
158: void (*ic_recv_mgmt)(struct ieee80211com *,
159: struct mbuf *, struct ieee80211_node *,
160: int, int, u_int32_t);
161: int (*ic_send_mgmt)(struct ieee80211com *,
162: struct ieee80211_node *, int, int);
163: void (*ic_recv_eapol)(struct ieee80211com *,
164: struct mbuf *, struct ieee80211_node *);
165: int (*ic_newstate)(struct ieee80211com *,
166: enum ieee80211_state, int);
167: void (*ic_newassoc)(struct ieee80211com *,
168: struct ieee80211_node *, int);
169: void (*ic_updateslot)(struct ieee80211com *);
170: void (*ic_updateedca)(struct ieee80211com *);
171: void (*ic_set_tim)(struct ieee80211com *, int, int);
172: int (*ic_set_key)(struct ieee80211com *,
173: struct ieee80211_node *,
174: const struct ieee80211_key *);
175: void (*ic_delete_key)(struct ieee80211com *,
176: struct ieee80211_node *, int);
177: u_int8_t ic_myaddr[IEEE80211_ADDR_LEN];
178: struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
179: struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX+1];
180: u_char ic_chan_avail[howmany(IEEE80211_CHAN_MAX,NBBY)];
181: u_char ic_chan_active[howmany(IEEE80211_CHAN_MAX, NBBY)];
182: u_char ic_chan_scan[howmany(IEEE80211_CHAN_MAX,NBBY)];
183: struct ifqueue ic_mgtq;
184: struct ifqueue ic_pwrsaveq;
185: u_int ic_scan_lock; /* user-initiated scan */
186: u_int8_t ic_scan_count; /* count scans */
187: u_int32_t ic_flags; /* state flags */
188: u_int32_t ic_caps; /* capabilities */
189: u_int16_t ic_modecaps; /* set of mode capabilities */
190: u_int16_t ic_curmode; /* current mode */
191: enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */
192: enum ieee80211_opmode ic_opmode; /* operation mode */
193: enum ieee80211_state ic_state; /* 802.11 state */
194: u_int32_t *ic_aid_bitmap;
195: u_int16_t ic_max_aid;
196: enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */
197: struct ifmedia ic_media; /* interface media config */
198: caddr_t ic_rawbpf; /* packet filter structure */
199: struct ieee80211_node *ic_bss; /* information for this node */
200: struct ieee80211_channel *ic_ibss_chan;
201: int ic_fixed_rate; /* index to ic_sup_rates[] */
202: u_int16_t ic_rtsthreshold;
203: u_int16_t ic_fragthreshold;
204: u_int ic_scangen; /* gen# for timeout scan */
205: struct ieee80211_node *(*ic_node_alloc)(struct ieee80211com *);
206: void (*ic_node_free)(struct ieee80211com *,
207: struct ieee80211_node *);
208: void (*ic_node_copy)(struct ieee80211com *,
209: struct ieee80211_node *,
210: const struct ieee80211_node *);
211: u_int8_t (*ic_node_getrssi)(struct ieee80211com *,
212: const struct ieee80211_node *);
213: u_int8_t ic_max_rssi;
214: struct ieee80211_tree ic_tree;
215: int ic_nnodes; /* length of ic_nnodes */
216: int ic_max_nnodes; /* max length of ic_nnodes */
217: u_int16_t ic_lintval; /* listen interval */
218: u_int16_t ic_holdover; /* PM hold over duration */
219: u_int16_t ic_txmin; /* min tx retry count */
220: u_int16_t ic_txmax; /* max tx retry count */
221: u_int16_t ic_txlifetime; /* tx lifetime */
222: int16_t ic_txpower; /* tx power setting (dBm) */
223: u_int16_t ic_bmisstimeout;/* beacon miss threshold (ms) */
224: u_int16_t ic_nonerpsta; /* # non-ERP stations */
225: u_int16_t ic_longslotsta; /* # long slot time stations */
226: int ic_mgt_timer; /* mgmt timeout */
227: int ic_inact_timer; /* inactivity timer wait */
228: int ic_des_esslen;
229: u_int8_t ic_des_essid[IEEE80211_NWID_LEN];
230: struct ieee80211_channel *ic_des_chan; /* desired channel */
231: u_int8_t ic_des_bssid[IEEE80211_ADDR_LEN];
232: struct ieee80211_key ic_nw_keys[IEEE80211_WEP_NKID];
233: int ic_wep_txkey; /* default tx key index */
234: void *ic_wep_ctx; /* wep crypt context */
235: u_int32_t ic_iv; /* initial vector for wep */
236: struct ieee80211_stats ic_stats; /* statistics */
237: struct timeval ic_last_merge_print; /* for rate-limiting
238: * IBSS merge print-outs
239: */
240: struct ieee80211_edca_ac_params ic_edca_ac[EDCA_NUM_AC];
241: u_int ic_edca_updtcount;
242: u_int8_t ic_globalcnt[EAPOL_KEY_NONCE_LEN];
243: u_int64_t ic_keyreplaycnt;
244:
245: u_int8_t *ic_tim_bitmap;
246: u_int ic_tim_len;
247: u_int ic_tim_mcast;
248: u_int ic_dtim_period;
249: u_int ic_dtim_count;
250: };
251: #define ic_if ic_ac.ac_if
252: #define ic_softc ic_if.if_softc
253:
254: LIST_HEAD(ieee80211com_head, ieee80211com);
255: extern struct ieee80211com_head ieee80211com_head;
256:
257: #define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0)
258: #define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN)
259:
260: /* ic_flags */
261: #define IEEE80211_F_ASCAN 0x00000001 /* STATUS: active scan */
262: #define IEEE80211_F_SIBSS 0x00000002 /* STATUS: start IBSS */
263: #define IEEE80211_F_WEPON 0x00000100 /* CONF: WEP enabled */
264: #define IEEE80211_F_IBSSON 0x00000200 /* CONF: IBSS creation enable */
265: #define IEEE80211_F_PMGTON 0x00000400 /* CONF: Power mgmt enable */
266: #define IEEE80211_F_DESBSSID 0x00000800 /* CONF: des_bssid is set */
267: #define IEEE80211_F_SCANAP 0x00001000 /* CONF: Scanning AP */
268: #define IEEE80211_F_ROAMING 0x00002000 /* CONF: roaming enabled */
269: #define IEEE80211_F_SWRETRY 0x00004000 /* CONF: sw tx retry enabled */
270: #define IEEE80211_F_TXPMGT 0x00018000 /* STATUS: tx power */
271: #define IEEE80211_F_TXPOW_OFF 0x00000000 /* TX Power: radio disabled */
272: #define IEEE80211_F_TXPOW_FIXED 0x00008000 /* TX Power: fixed rate */
273: #define IEEE80211_F_TXPOW_AUTO 0x00010000 /* TX Power: undefined */
274: #define IEEE80211_F_SHSLOT 0x00020000 /* STATUS: short slot time */
275: #define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: short preamble */
276: #define IEEE80211_F_QOS 0x00080000 /* CONF: QoS enabled */
277: #define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */
278: #define IEEE80211_F_RSN 0x00200000 /* CONF: RSN enabled */
279: #define IEEE80211_F_WPA1 0x00400000 /* CONF: WPA1 enabled */
280: #define IEEE80211_F_USERMASK 0xf0000000 /* CONF: ioctl flag mask */
281:
282: /* ic_caps */
283: #define IEEE80211_C_WEP 0x00000001 /* CAPABILITY: WEP available */
284: #define IEEE80211_C_IBSS 0x00000002 /* CAPABILITY: IBSS available */
285: #define IEEE80211_C_PMGT 0x00000004 /* CAPABILITY: Power mgmt */
286: #define IEEE80211_C_HOSTAP 0x00000008 /* CAPABILITY: HOSTAP avail */
287: #define IEEE80211_C_AHDEMO 0x00000010 /* CAPABILITY: Old Adhoc Demo */
288: #define IEEE80211_C_SWRETRY 0x00000020 /* CAPABILITY: sw tx retry */
289: #define IEEE80211_C_TXPMGT 0x00000040 /* CAPABILITY: tx power mgmt */
290: #define IEEE80211_C_SHSLOT 0x00000080 /* CAPABILITY: short slottime */
291: #define IEEE80211_C_SHPREAMBLE 0x00000100 /* CAPABILITY: short preamble */
292: #define IEEE80211_C_MONITOR 0x00000200 /* CAPABILITY: monitor mode */
293: #define IEEE80211_C_SCANALL 0x00000400 /* CAPABILITY: scan all chan */
294: #define IEEE80211_C_QOS 0x00000800 /* CAPABILITY: QoS avail */
295: #define IEEE80211_C_RSN 0x00001000 /* CAPABILITY: RSN avail */
296:
297: /* flags for ieee80211_fix_rate() */
298: #define IEEE80211_F_DOSORT 0x00000001 /* sort rate list */
299: #define IEEE80211_F_DOFRATE 0x00000002 /* use fixed rate */
300: #define IEEE80211_F_DONEGO 0x00000004 /* calc negotiated rate */
301: #define IEEE80211_F_DODEL 0x00000008 /* delete ignore rate */
302:
303: void ieee80211_ifattach(struct ifnet *);
304: void ieee80211_ifdetach(struct ifnet *);
305: void ieee80211_media_init(struct ifnet *, ifm_change_cb_t, ifm_stat_cb_t);
306: int ieee80211_media_change(struct ifnet *);
307: void ieee80211_media_status(struct ifnet *, struct ifmediareq *);
308: int ieee80211_ioctl(struct ifnet *, u_long, caddr_t);
309: int ieee80211_get_rate(struct ieee80211com *);
310: void ieee80211_watchdog(struct ifnet *);
311: int ieee80211_fix_rate(struct ieee80211com *, struct ieee80211_node *, int);
312: int ieee80211_rate2media(struct ieee80211com *, int,
313: enum ieee80211_phymode);
314: int ieee80211_media2rate(int);
315: u_int ieee80211_mhz2ieee(u_int, u_int);
316: u_int ieee80211_chan2ieee(struct ieee80211com *,
317: const struct ieee80211_channel *);
318: u_int ieee80211_ieee2mhz(u_int, u_int);
319: int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
320: enum ieee80211_phymode ieee80211_next_mode(struct ifnet *);
321: enum ieee80211_phymode ieee80211_chan2mode(struct ieee80211com *,
322: const struct ieee80211_channel *);
323:
324: #ifdef IEEE80211_DEBUG
325: extern int ieee80211_debug;
326: #define IEEE80211_DPRINTF(X) do { if (ieee80211_debug) printf X; } while(0)
327: #define IEEE80211_DPRINTF2(X) do { if (ieee80211_debug>1) printf X; } while(0)
328: #else
329: #define IEEE80211_DPRINTF(X)
330: #define IEEE80211_DPRINTF2(X)
331: #endif
332:
333: extern int ieee80211_cache_size;
334:
335: #endif /* _NET80211_IEEE80211_VAR_H_ */
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