363 lines
15 KiB
C
363 lines
15 KiB
C
/*-
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* Copyright (c) 2001 Atsushi Onoe
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* Copyright (c) 2002-2004 Sam Leffler, Errno Consulting
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _NET80211_IEEE80211_VAR_H_
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#define _NET80211_IEEE80211_VAR_H_
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/*
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* Definitions for IEEE 802.11 drivers.
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*/
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#define IEEE80211_DEBUG
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#undef IEEE80211_DEBUG_REFCNT /* node refcnt stuff */
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/* NB: portability glue must go first */
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#ifdef __NetBSD__
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#include <net80211/ieee80211_netbsd.h>
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#elif __FreeBSD__
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#include <net80211/ieee80211_freebsd.h>
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#elif __linux__
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#include <net80211/ieee80211_linux.h>
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#else
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#error "No support for your operating system!"
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#endif
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#include <net80211/_ieee80211.h>
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#include <net80211/ieee80211.h>
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#include <net80211/ieee80211_crypto.h>
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#include <net80211/ieee80211_ioctl.h> /* for ieee80211_stats */
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#include <net80211/ieee80211_node.h>
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#include <net80211/ieee80211_proto.h>
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#define IEEE80211_TXPOWER_MAX 100 /* .5 dbM (XXX units?) */
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#define IEEE80211_TXPOWER_MIN 0 /* kill radio */
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#define IEEE80211_DTIM_MAX 15 /* max DTIM period */
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#define IEEE80211_DTIM_MIN 1 /* min DTIM period */
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#define IEEE80211_DTIM_DEFAULT 1 /* default DTIM period */
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#define IEEE80211_BINTVAL_MAX 500 /* max beacon interval (ms) */
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#define IEEE80211_BINTVAL_MIN 25 /* min beacon interval */
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#define IEEE80211_BINTVAL_DEFAULT 100 /* default beacon interval */
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#define IEEE80211_PS_SLEEP 0x1 /* STA is in power saving mode */
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#define IEEE80211_PS_MAX_QUEUE 50 /* maximum saved packets */
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struct ieee80211_aclator;
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struct sysctl_ctx_list;
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struct ieee80211com {
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SLIST_ENTRY(ieee80211com) ic_next;
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struct ifnet *ic_ifp; /* associated device */
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struct ieee80211_stats ic_stats; /* statistics */
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struct sysctl_ctx_list *ic_sysctl; /* dynamic sysctl context */
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u_int32_t ic_debug; /* debug msg flags */
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int ic_vap; /* virtual AP index */
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ieee80211_beacon_lock_t ic_beaconlock; /* beacon update lock */
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int (*ic_reset)(struct ifnet *);
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void (*ic_recv_mgmt)(struct ieee80211com *,
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struct mbuf *, struct ieee80211_node *,
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int, int, u_int32_t);
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int (*ic_send_mgmt)(struct ieee80211com *,
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struct ieee80211_node *, int, int);
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int (*ic_newstate)(struct ieee80211com *,
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enum ieee80211_state, int);
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void (*ic_newassoc)(struct ieee80211com *,
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struct ieee80211_node *, int);
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void (*ic_updateslot)(struct ifnet *);
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void (*ic_set_tim)(struct ieee80211com *,
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struct ieee80211_node *, int);
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u_int8_t ic_myaddr[IEEE80211_ADDR_LEN];
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struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
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struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX+1];
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u_int8_t ic_chan_avail[IEEE80211_CHAN_BYTES];
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u_int8_t ic_chan_active[IEEE80211_CHAN_BYTES];
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u_int8_t ic_chan_scan[IEEE80211_CHAN_BYTES];
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struct ieee80211_node_table ic_scan; /* scan candidates */
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struct ifqueue ic_mgtq;
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u_int32_t ic_flags; /* state flags */
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u_int32_t ic_caps; /* capabilities */
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u_int16_t ic_modecaps; /* set of mode capabilities */
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u_int16_t ic_curmode; /* current mode */
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enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */
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enum ieee80211_opmode ic_opmode; /* operation mode */
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enum ieee80211_state ic_state; /* 802.11 state */
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enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */
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enum ieee80211_roamingmode ic_roaming; /* roaming mode */
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struct ieee80211_node_table *ic_sta; /* stations/neighbors */
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u_int32_t *ic_aid_bitmap; /* association id map */
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u_int16_t ic_max_aid;
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u_int16_t ic_sta_assoc; /* stations associated */
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u_int16_t ic_ps_sta; /* stations in power save */
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u_int16_t ic_ps_pending; /* ps sta's w/ pending frames */
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u_int8_t *ic_tim_bitmap; /* power-save stations w/ data*/
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u_int16_t ic_tim_len; /* ic_tim_bitmap size (bytes) */
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u_int16_t ic_dtim_period; /* DTIM period */
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struct ifmedia ic_media; /* interface media config */
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struct bpf_if *ic_rawbpf; /* packet filter structure */
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struct ieee80211_node *ic_bss; /* information for this node */
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struct ieee80211_channel *ic_ibss_chan;
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int ic_fixed_rate; /* index to ic_sup_rates[] */
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u_int16_t ic_rtsthreshold;
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u_int16_t ic_fragthreshold;
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struct ieee80211_node *(*ic_node_alloc)(struct ieee80211_node_table*);
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void (*ic_node_free)(struct ieee80211_node *);
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void (*ic_node_cleanup)(struct ieee80211_node *);
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u_int8_t (*ic_node_getrssi)(const struct ieee80211_node*);
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u_int16_t ic_lintval; /* listen interval */
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u_int16_t ic_holdover; /* PM hold over duration */
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u_int16_t ic_txmin; /* min tx retry count */
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u_int16_t ic_txmax; /* max tx retry count */
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u_int16_t ic_txlifetime; /* tx lifetime */
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u_int16_t ic_txpowlimit; /* global tx power limit */
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u_int16_t ic_bmisstimeout;/* beacon miss threshold (ms) */
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u_int16_t ic_nonerpsta; /* # non-ERP stations */
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u_int16_t ic_longslotsta; /* # long slot time stations */
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int ic_mgt_timer; /* mgmt timeout */
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int ic_inact_timer; /* inactivity timer wait */
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int ic_des_esslen;
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u_int8_t ic_des_essid[IEEE80211_NWID_LEN];
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struct ieee80211_channel *ic_des_chan; /* desired channel */
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u_int8_t ic_des_bssid[IEEE80211_ADDR_LEN];
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void *ic_opt_ie; /* user-specified IE's */
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u_int16_t ic_opt_ie_len; /* length of ni_opt_ie */
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/*
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* Inactivity timer settings for nodes.
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*/
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int ic_inact_init; /* initial setting */
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int ic_inact_auth; /* auth but not assoc setting */
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int ic_inact_run; /* authorized setting */
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int ic_inact_probe; /* inactive probe time */
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/*
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* WME/WMM state.
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*/
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struct ieee80211_wme_state ic_wme;
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/*
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* Cipher state/configuration.
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*/
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struct ieee80211_crypto_state ic_crypto;
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#define ic_nw_keys ic_crypto.cs_nw_keys /* XXX compatibility */
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#define ic_def_txkey ic_crypto.cs_def_txkey /* XXX compatibility */
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/*
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* 802.1x glue. When an authenticator attaches it
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* fills in this section. We assume that when ic_ec
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* is setup that the methods are safe to call.
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*/
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const struct ieee80211_authenticator *ic_auth;
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struct eapolcom *ic_ec;
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/*
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* Access control glue. When a control agent attaches
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* it fills in this section. We assume that when ic_ac
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* is setup that the methods are safe to call.
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*/
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const struct ieee80211_aclator *ic_acl;
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void *ic_as;
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};
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#define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0)
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#define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN)
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/* ic_flags */
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/* NB: bits 0x6f available */
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/* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */
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#define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */
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#define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */
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#define IEEE80211_F_ASCAN 0x00000100 /* STATUS: active scan */
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#define IEEE80211_F_SIBSS 0x00000200 /* STATUS: start IBSS */
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/* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */
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#define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/
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#define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */
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#define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */
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#define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */
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#define IEEE80211_F_ROAMING 0x00004000 /* CONF: roaming enabled (???)*/
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#define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */
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#define IEEE80211_F_TXPOW_FIXED 0x00010000 /* TX Power: fixed rate */
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#define IEEE80211_F_IBSSON 0x00020000 /* CONF: IBSS creation enable */
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#define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */
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#define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */
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#define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */
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#define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/
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#define IEEE80211_F_TIMUPDATE 0x00400000 /* STATUS: update beacon tim */
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#define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */
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#define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */
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#define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */
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#define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */
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#define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */
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#define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */
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#define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */
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#define IEEE80211_F_WMEUPDATE 0x20000000 /* STATUS: update beacon wme */
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/* ic_caps */
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#define IEEE80211_C_WEP 0x00000001 /* CAPABILITY: WEP available */
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#define IEEE80211_C_TKIP 0x00000002 /* CAPABILITY: TKIP available */
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#define IEEE80211_C_AES 0x00000004 /* CAPABILITY: AES OCB avail */
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#define IEEE80211_C_AES_CCM 0x00000008 /* CAPABILITY: AES CCM avail */
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#define IEEE80211_C_CKIP 0x00000020 /* CAPABILITY: CKIP available */
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#define IEEE80211_C_IBSS 0x00000100 /* CAPABILITY: IBSS available */
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#define IEEE80211_C_PMGT 0x00000200 /* CAPABILITY: Power mgmt */
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#define IEEE80211_C_HOSTAP 0x00000400 /* CAPABILITY: HOSTAP avail */
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#define IEEE80211_C_AHDEMO 0x00000800 /* CAPABILITY: Old Adhoc Demo */
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#define IEEE80211_C_SWRETRY 0x00001000 /* CAPABILITY: sw tx retry */
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#define IEEE80211_C_TXPMGT 0x00002000 /* CAPABILITY: tx power mgmt */
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#define IEEE80211_C_SHSLOT 0x00004000 /* CAPABILITY: short slottime */
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#define IEEE80211_C_SHPREAMBLE 0x00008000 /* CAPABILITY: short preamble */
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#define IEEE80211_C_MONITOR 0x00010000 /* CAPABILITY: monitor mode */
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#define IEEE80211_C_TKIPMIC 0x00020000 /* CAPABILITY: TKIP MIC avail */
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#define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */
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#define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */
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#define IEEE80211_C_WPA 0x01800000 /* CAPABILITY: WPA1+WPA2 avail*/
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#define IEEE80211_C_BURST 0x02000000 /* CAPABILITY: frame bursting */
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#define IEEE80211_C_WME 0x04000000 /* CAPABILITY: WME avail */
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/* XXX protection/barker? */
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#define IEEE80211_C_CRYPTO 0x0000002f /* CAPABILITY: crypto alg's */
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void ieee80211_ifattach(struct ieee80211com *);
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void ieee80211_ifdetach(struct ieee80211com *);
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void ieee80211_announce(struct ieee80211com *);
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void ieee80211_media_init(struct ieee80211com *,
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ifm_change_cb_t, ifm_stat_cb_t);
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struct ieee80211com *ieee80211_find_vap(const u_int8_t mac[IEEE80211_ADDR_LEN]);
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int ieee80211_media_change(struct ifnet *);
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void ieee80211_media_status(struct ifnet *, struct ifmediareq *);
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int ieee80211_ioctl(struct ieee80211com *, u_long, caddr_t);
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int ieee80211_cfgget(struct ieee80211com *, u_long, caddr_t);
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int ieee80211_cfgset(struct ieee80211com *, u_long, caddr_t);
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void ieee80211_watchdog(struct ieee80211com *);
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int ieee80211_rate2media(struct ieee80211com *, int,
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enum ieee80211_phymode);
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int ieee80211_media2rate(int);
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u_int ieee80211_mhz2ieee(u_int, u_int);
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u_int ieee80211_chan2ieee(struct ieee80211com *, struct ieee80211_channel *);
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u_int ieee80211_ieee2mhz(u_int, u_int);
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int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
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enum ieee80211_phymode ieee80211_chan2mode(struct ieee80211com *,
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struct ieee80211_channel *);
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/*
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* Key update synchronization methods. XXX should not be visible.
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*/
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static __inline void
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ieee80211_key_update_begin(struct ieee80211com *ic)
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{
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ic->ic_crypto.cs_key_update_begin(ic);
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}
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static __inline void
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ieee80211_key_update_end(struct ieee80211com *ic)
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{
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ic->ic_crypto.cs_key_update_end(ic);
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}
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/*
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* XXX these need to be here for IEEE80211_F_DATAPAD
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*/
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/*
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* Return the space occupied by the 802.11 header and any
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* padding required by the driver. This works for a
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* management or data frame.
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*/
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static __inline int
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ieee80211_hdrspace(struct ieee80211com *ic, const void *data)
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{
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int size = ieee80211_hdrsize(data);
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if (ic->ic_flags & IEEE80211_F_DATAPAD)
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size = roundup(size, sizeof(u_int32_t));
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return size;
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}
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/*
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* Like ieee80211_hdrspace, but handles any type of frame.
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*/
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static __inline int
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ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data)
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{
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int size = ieee80211_anyhdrsize(data);
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if (ic->ic_flags & IEEE80211_F_DATAPAD)
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size = roundup(size, sizeof(u_int32_t));
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return size;
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}
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#define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */
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#define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */
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#define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */
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#define IEEE80211_MSG_INPUT 0x08000000 /* input handling */
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#define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */
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#define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */
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#define IEEE80211_MSG_NODE 0x01000000 /* node handling */
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#define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */
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#define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */
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#define IEEE80211_MSG_SCAN 0x00200000 /* scanning */
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#define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */
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#define IEEE80211_MSG_STATE 0x00080000 /* state machine */
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#define IEEE80211_MSG_POWER 0x00040000 /* power save handling */
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#define IEEE80211_MSG_DOT1X 0x00020000 /* 802.1x authenticator */
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#define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */
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#define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */
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#define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */
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#define IEEE80211_MSG_RADKEYS 0x00002000 /* dump 802.1x keys */
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#define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */
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#define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */
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#define IEEE80211_MSG_WME 0x00000400 /* WME protocol */
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#define IEEE80211_MSG_ANY 0xffffffff /* anything */
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#ifdef IEEE80211_DEBUG
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#define IEEE80211_DPRINTF(_ic, _m, _fmt, ...) do { \
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if (_ic->ic_debug & (_m)) \
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printf(_fmt, __VA_ARGS__); \
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} while (0)
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#define ieee80211_msg_debug(_ic) \
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((_ic)->ic_debug & IEEE80211_MSG_DEBUG)
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#define ieee80211_msg_dumppkts(_ic) \
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((_ic)->ic_debug & IEEE80211_MSG_DUMPPKTS)
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#define ieee80211_msg_input(_ic) \
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((_ic)->ic_debug & IEEE80211_MSG_INPUT)
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#define ieee80211_msg_radius(_ic) \
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((_ic)->ic_debug & IEEE80211_MSG_RADIUS)
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#define ieee80211_msg_dumpradius(_ic) \
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((_ic)->ic_debug & IEEE80211_MSG_RADDUMP)
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#define ieee80211_msg_dumpradkeys(_ic) \
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((_ic)->ic_debug & IEEE80211_MSG_RADKEYS)
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#define ieee80211_msg_scan(_ic) \
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((_ic)->ic_debug & IEEE80211_MSG_SCAN)
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#else
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#define IEEE80211_DPRINTF(_ic, _m, _fmt, ...)
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#endif
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#endif /* _NET80211_IEEE80211_VAR_H_ */
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