276 lines
9.8 KiB
C
276 lines
9.8 KiB
C
/* $NetBSD: ieee80211_netbsd.h,v 1.9 2005/12/10 23:26:35 elad Exp $ */
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/*-
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* Copyright (c) 2003-2005 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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* 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: src/sys/net80211/ieee80211_freebsd.h,v 1.6 2005/08/08 18:46:36 sam Exp $
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*/
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#ifndef _NET80211_IEEE80211_NETBSD_H_
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#define _NET80211_IEEE80211_NETBSD_H_
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#define IASSERT(__cond, __complaint) \
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do { \
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if (!(__cond)) \
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panic __complaint ; \
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} while (0)
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void if_printf(struct ifnet *, const char *, ...)
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__attribute__((__format__(__printf__,2,3)));
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struct ieee80211_lock {
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int count;
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int ipl;
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};
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#define IEEE80211_LOCK_INIT_IMPL(_ic, _name, _member) \
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do { \
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(_ic)->_member.count = 0; \
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} while (0)
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#define IEEE80211_LOCK_IMPL(_ic, _member) \
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do { \
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int __s = splnet(); \
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if ((_ic)->_member.count++ == 0) \
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(_ic)->_member.ipl = __s; \
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} while (0)
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#define IEEE80211_IS_LOCKED_IMPL(_ic, _member) \
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((_ic)->_member.count != 0)
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#define IEEE80211_UNLOCK_IMPL(_ic, _member) \
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do { \
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if (--(_ic)->_member.count == 0) \
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splx((_ic)->_member.ipl); \
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} while (0)
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#define IEEE80211_LOCK_ASSERT_IMPL(_ic, _member) \
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IASSERT((_ic)->_member.count > 0, \
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("%s: IEEE80211_LOCK not held", __func__));
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/*
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* Beacon locking definitions.
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*/
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typedef struct ieee80211_lock ieee80211_beacon_lock_t;
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#define IEEE80211_BEACON_LOCK_INIT(_ic, _name) \
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IEEE80211_LOCK_INIT_IMPL(_ic, _name, ic_beaconlock)
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#define IEEE80211_BEACON_LOCK_DESTROY(_ic)
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#define IEEE80211_BEACON_LOCK(_ic) \
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IEEE80211_LOCK_IMPL(_ic, ic_beaconlock)
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#define IEEE80211_BEACON_UNLOCK(_ic) \
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IEEE80211_UNLOCK_IMPL(_ic, ic_beaconlock)
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#define IEEE80211_BEACON_LOCK_ASSERT(_ic) \
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IEEE80211_LOCK_ASSERT_IMPL(_ic, ic_beaconlock)
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/*
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* Node locking definitions.
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* NB: MTX_DUPOK is because we don't generate per-interface strings.
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*/
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typedef struct ieee80211_lock ieee80211_node_lock_t;
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#define IEEE80211_NODE_LOCK_INIT(_nt, _name) \
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IEEE80211_LOCK_INIT_IMPL(_nt, _name, nt_nodelock)
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#define IEEE80211_NODE_LOCK_DESTROY(_nt)
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#define IEEE80211_NODE_LOCK(_nt) \
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IEEE80211_LOCK_IMPL(_nt, nt_nodelock)
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#define IEEE80211_NODE_IS_LOCKED(_nt) \
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IEEE80211_IS_LOCKED_IMPL(_nt, nt_nodelock)
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#define IEEE80211_NODE_UNLOCK(_nt) \
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IEEE80211_UNLOCK_IMPL(_nt, nt_nodelock)
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#define IEEE80211_NODE_LOCK_ASSERT(_nt) \
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IEEE80211_LOCK_ASSERT_IMPL(_nt, nt_nodelock)
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/*
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* Node table scangen locking definitions.
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*/
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typedef struct ieee80211_lock ieee80211_scan_lock_t;
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#define IEEE80211_SCAN_LOCK_INIT(_nt, _name) \
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IEEE80211_LOCK_INIT_IMPL(_nt, _name, nt_scanlock)
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#define IEEE80211_SCAN_LOCK_DESTROY(_nt)
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#define IEEE80211_SCAN_LOCK(_nt) \
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IEEE80211_LOCK_IMPL(_nt, nt_scanlock)
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#define IEEE80211_SCAN_UNLOCK(_nt) \
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IEEE80211_UNLOCK_IMPL(_nt, nt_scanlock)
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#define IEEE80211_SCAN_LOCK_ASSERT(_nt) \
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IEEE80211_LOCK_ASSERT_IMPL(_nt, nt_scanlock)
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/*
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* Per-node power-save queue definitions.
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*/
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#define IEEE80211_NODE_SAVEQ_INIT(_ni, _name) do { \
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(_ni)->ni_savedq.ifq_maxlen = IEEE80211_PS_MAX_QUEUE; \
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} while (0)
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#define IEEE80211_NODE_SAVEQ_DESTROY(_ni)
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#define IEEE80211_NODE_SAVEQ_QLEN(_ni) ((_ni)->ni_savedq.ifq_len)
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#define IEEE80211_NODE_SAVEQ_LOCK(_ni)
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#define IEEE80211_NODE_SAVEQ_UNLOCK(_ni)
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#define IEEE80211_NODE_SAVEQ_DEQUEUE(_ni, _m, _qlen) do { \
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IEEE80211_NODE_SAVEQ_LOCK(_ni); \
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IF_DEQUEUE(&(_ni)->ni_savedq, _m); \
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(_qlen) = IEEE80211_NODE_SAVEQ_QLEN(_ni); \
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IEEE80211_NODE_SAVEQ_UNLOCK(_ni); \
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} while (0)
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#define IEEE80211_NODE_SAVEQ_DRAIN(_ni, _qlen) do { \
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IEEE80211_NODE_SAVEQ_LOCK(_ni); \
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(_qlen) = IEEE80211_NODE_SAVEQ_QLEN(_ni); \
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IF_PURGE(&(_ni)->ni_savedq); \
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IEEE80211_NODE_SAVEQ_UNLOCK(_ni); \
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} while (0)
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/* XXX could be optimized */
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#define _IEEE80211_NODE_SAVEQ_DEQUEUE_HEAD(_ni, _m) do { \
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IF_DEQUEUE(&(_ni)->ni_savedq, m); \
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} while (0)
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#define _IEEE80211_NODE_SAVEQ_ENQUEUE(_ni, _m, _qlen, _age) do {\
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(_m)->m_nextpkt = NULL; \
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if ((_ni)->ni_savedq.ifq_tail != NULL) { \
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_age -= M_AGE_GET((_ni)->ni_savedq.ifq_tail); \
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(_ni)->ni_savedq.ifq_tail->m_nextpkt = (_m); \
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} else { \
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(_ni)->ni_savedq.ifq_head = (_m); \
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} \
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M_AGE_SET(_m, _age); \
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(_ni)->ni_savedq.ifq_tail = (_m); \
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(_qlen) = ++(_ni)->ni_savedq.ifq_len; \
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} while (0)
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/*
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* 802.1x MAC ACL database locking definitions.
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*/
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typedef struct ieee80211_lock acl_lock_t;
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#define ACL_LOCK_INIT(_as, _name) \
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IEEE80211_LOCK_INIT_IMPL(_as, _name, as_lock)
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#define ACL_LOCK_DESTROY(_as)
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#define ACL_LOCK(_as) IEEE80211_LOCK_IMPL(_as, as_lock)
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#define ACL_UNLOCK(_as) IEEE80211_UNLOCK_IMPL(_as, as_lock)
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#define ACL_LOCK_ASSERT(_as) IEEE80211_LOCK_ASSERT_IMPL(_as, as_lock)
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/*
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* Node reference counting definitions.
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*
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* ieee80211_node_initref initialize the reference count to 1
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* ieee80211_node_incref add a reference
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* ieee80211_node_decref remove a reference
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* ieee80211_node_dectestref remove a reference and return 1 if this
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* is the last reference, otherwise 0
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* ieee80211_node_refcnt reference count for printing (only)
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*/
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#define ieee80211_node_initref(_ni) \
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do { ((_ni)->ni_refcnt = 1); } while (0)
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#define ieee80211_node_incref(_ni) \
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do { (_ni)->ni_refcnt++; } while (0)
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#define ieee80211_node_decref(_ni) \
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do { (_ni)->ni_refcnt--; } while (0)
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struct ieee80211_node;
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int ieee80211_node_dectestref(struct ieee80211_node *ni);
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#define ieee80211_node_refcnt(_ni) (_ni)->ni_refcnt
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struct mbuf *ieee80211_getmgtframe(u_int8_t **frm, u_int pktlen);
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#define M_PWR_SAV M_PROTO1 /* bypass PS handling */
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#define M_MORE_DATA M_LINK3 /* more data frames to follow */
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/*
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* Encode WME access control bits in the PROTO flags.
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* This is safe since it's passed directly in to the
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* driver and there's no chance someone else will clobber
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* them on us.
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*/
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#define M_WME_AC_MASK (M_LINK1|M_LINK2)
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/* XXX 5 is wrong if M_LINK* are redefined */
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#define M_WME_AC_SHIFT 13
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#define M_WME_SETAC(m, ac) \
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((m)->m_flags = ((m)->m_flags &~ M_WME_AC_MASK) | \
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((ac) << M_WME_AC_SHIFT))
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#define M_WME_GETAC(m) (((m)->m_flags >> M_WME_AC_SHIFT) & 0x3)
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/*
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* Mbufs on the power save queue are tagged with an age and
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* timed out. We reuse the hardware checksum field in the
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* mbuf packet header to store this data.
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*/
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#define M_AGE_SET(m,v) (m->m_pkthdr.csum_data = v)
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#define M_AGE_GET(m) (m->m_pkthdr.csum_data)
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#define M_AGE_SUB(m,adj) (m->m_pkthdr.csum_data -= adj)
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struct ieee80211com;
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/* XXX this stuff belongs elsewhere */
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/*
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* Message formats for messages from the net80211 layer to user
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* applications via the routing socket. These messages are appended
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* to an if_announcemsghdr structure.
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*/
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struct ieee80211_join_event {
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uint8_t iev_addr[6];
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};
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struct ieee80211_leave_event {
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uint8_t iev_addr[6];
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};
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struct ieee80211_replay_event {
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uint8_t iev_src[6]; /* src MAC */
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uint8_t iev_dst[6]; /* dst MAC */
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uint8_t iev_cipher; /* cipher type */
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uint8_t iev_keyix; /* key id/index */
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uint64_t iev_keyrsc; /* RSC from key */
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uint64_t iev_rsc; /* RSC from frame */
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};
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struct ieee80211_michael_event {
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uint8_t iev_src[6]; /* src MAC */
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uint8_t iev_dst[6]; /* dst MAC */
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uint8_t iev_cipher; /* cipher type */
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uint8_t iev_keyix; /* key id/index */
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};
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#define RTM_IEEE80211_ASSOC 100 /* station associate (bss mode) */
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#define RTM_IEEE80211_REASSOC 101 /* station re-associate (bss mode) */
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#define RTM_IEEE80211_DISASSOC 102 /* station disassociate (bss mode) */
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#define RTM_IEEE80211_JOIN 103 /* station join (ap mode) */
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#define RTM_IEEE80211_LEAVE 104 /* station leave (ap mode) */
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#define RTM_IEEE80211_SCAN 105 /* scan complete, results available */
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#define RTM_IEEE80211_REPLAY 106 /* sequence counter replay detected */
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#define RTM_IEEE80211_MICHAEL 107 /* Michael MIC failure detected */
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#define RTM_IEEE80211_REJOIN 108 /* station re-associate (ap mode) */
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#define __offsetof offsetof
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#define ticks hardclock_ticks
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#define ovbcopy(__src, __dst, __n) ((void)memmove(__dst, __src, __n))
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#define TAILQ_FOREACH_SAFE(var, head, field, nextvar) \
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for (var = TAILQ_FIRST(head); \
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var != NULL && (nextvar = TAILQ_NEXT(var, field), 1); \
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var = nextvar)
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void if_printf(struct ifnet *, const char *, ...);
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int m_append(struct mbuf *, int, const caddr_t);
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void get_random_bytes(void *, size_t);
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void ieee80211_sysctl_attach(struct ieee80211com *);
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void ieee80211_sysctl_detach(struct ieee80211com *);
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void ieee80211_load_module(const char *);
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void ieee80211_init(void);
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#define IEEE80211_CRYPTO_SETUP(name) \
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static void name(void); \
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__link_set_add_text(ieee80211_funcs, name); \
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static void name(void)
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#endif /* !_NET80211_IEEE80211_NETBSD_H_ */
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