76 lines
2.6 KiB
C
76 lines
2.6 KiB
C
/*-
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* Copyright (c) 2003, 2004 David Young
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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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#ifndef _NET80211_IEEE80211_COMPAT_H_
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#define _NET80211_IEEE80211_COMPAT_H_
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#ifdef __NetBSD__
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extern int if_printf(struct ifnet *ifp, const char *fmt, ...);
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#endif
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#ifdef __NetBSD__
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#define ieee80211_node_critsec_decl(v) int v
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#define ieee80211_node_critsec_begin(ic, v) do { v = splnet() } while (0)
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#define ieee80211_node_critsec_end(ic, v) splx(v)
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#else
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#define ieee80211_node_critsec_decl(v) /* empty */
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#define ieee80211_node_critsec_begin(ic, v) mtx_lock(&(ic)->ic_nodelock)
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#define ieee80211_node_critsec_end(ic, v) mtx_unlock(&ic->ic_nodelock)
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#endif
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#ifdef __NetBSD__
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#define ieee80211_node_incref(ni) \
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do { \
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int _s = splnet(); \
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(ni)->ni_refcnt++; \
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splx(_s); \
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} while (0)
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static __inline int
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ieee80211_node_decref(struct ieee80211_node *ni)
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{
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int refcnt, s;
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s = splnet();
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refcnt = --ni->ni_refcnt;
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splx(s);
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return refcnt;
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}
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#else
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#define ieee80211_node_incref(ni) atomic_add_int(&(ni)->ni_refcnt, 1)
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static __inline int
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ieee80211_node_decref(struct ieee80211_node *ni)
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{
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int orefcnt;
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do {
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orefcnt = ni->ni_refcnt;
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} while (atomic_cmpset_int(&ni->ni_refcnt, orefcnt, orefcnt - 1) == 0);
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return orefcnt - 1;
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}
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#endif
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#endif /* _NET80211_IEEE80211_COMPAT_H_ */
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