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NetBSD/sys/net80211/ieee80211_netbsd.h

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/* $NetBSD: ieee80211_netbsd.h,v 1.23 2020/03/15 23:04:51 thorpej Exp $ */
/*-
* Copyright (c) 2003-2005 Sam Leffler, Errno Consulting
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD: src/sys/net80211/ieee80211_freebsd.h,v 1.6 2005/08/08 18:46:36 sam Exp $
*/
#ifndef _NET80211_IEEE80211_NETBSD_H_
#define _NET80211_IEEE80211_NETBSD_H_
#ifdef _KERNEL
#define IASSERT(__cond, __complaint) \
do { \
if (!(__cond)) \
panic __complaint ; \
} while (/*CONSTCOND*/0)
void if_printf(struct ifnet *, const char *, ...)
__attribute__((__format__(__printf__,2,3)));
#define IEEE80211_LOCK_INIT_IMPL(_ic, _name, _member) \
mutex_init(&(_ic)->_member, MUTEX_DEFAULT, IPL_NET)
#define IEEE80211_LOCK_IMPL(_ic, _member) \
mutex_enter(&(_ic)->_member)
#define IEEE80211_IS_LOCKED_IMPL(_ic, _member) \
mutex_owned(&(_ic)->_member)
#define IEEE80211_UNLOCK_IMPL(_ic, _member) \
mutex_exit(&(_ic)->_member)
#define IEEE80211_LOCK_ASSERT_IMPL(_ic, _member) \
IASSERT(mutex_owned(&(_ic)->_member), \
("%s: IEEE80211_LOCK not held", __func__))
#define IEEE80211_LOCK_DESTROY_IMPL(_ic, _member) \
mutex_destroy(&(_ic)->_member)
/*
* Beacon locking definitions.
*/
typedef kmutex_t ieee80211_beacon_lock_t;
#define IEEE80211_BEACON_LOCK_INIT(_ic, _name) \
IEEE80211_LOCK_INIT_IMPL(_ic, _name, ic_beaconlock)
#define IEEE80211_BEACON_LOCK_DESTROY(_ic) \
IEEE80211_LOCK_DESTROY_IMPL(_ic, ic_beaconlock)
#define IEEE80211_BEACON_LOCK(_ic) \
IEEE80211_LOCK_IMPL(_ic, ic_beaconlock)
#define IEEE80211_BEACON_UNLOCK(_ic) \
IEEE80211_UNLOCK_IMPL(_ic, ic_beaconlock)
#define IEEE80211_BEACON_LOCK_ASSERT(_ic) \
IEEE80211_LOCK_ASSERT_IMPL(_ic, ic_beaconlock)
/*
* Node locking definitions.
* NB: MTX_DUPOK is because we don't generate per-interface strings.
*/
typedef kmutex_t ieee80211_node_lock_t;
#define IEEE80211_NODE_LOCK_INIT(_nt, _name) \
IEEE80211_LOCK_INIT_IMPL(_nt, _name, nt_nodelock)
#define IEEE80211_NODE_LOCK_DESTROY(_nt) \
IEEE80211_LOCK_DESTROY_IMPL(_nt, nt_nodelock)
#define IEEE80211_NODE_LOCK(_nt) \
IEEE80211_LOCK_IMPL(_nt, nt_nodelock)
#define IEEE80211_NODE_IS_LOCKED(_nt) \
IEEE80211_IS_LOCKED_IMPL(_nt, nt_nodelock)
#define IEEE80211_NODE_UNLOCK(_nt) \
IEEE80211_UNLOCK_IMPL(_nt, nt_nodelock)
#define IEEE80211_NODE_LOCK_ASSERT(_nt) \
IEEE80211_LOCK_ASSERT_IMPL(_nt, nt_nodelock)
/*
* Node table scangen locking definitions.
*/
typedef kmutex_t ieee80211_scan_lock_t;
#define IEEE80211_SCAN_LOCK_INIT(_nt, _name) \
IEEE80211_LOCK_INIT_IMPL(_nt, _name, nt_scanlock)
#define IEEE80211_SCAN_LOCK_DESTROY(_nt) \
IEEE80211_LOCK_DESTROY_IMPL(_nt, nt_scanlock)
#define IEEE80211_SCAN_LOCK(_nt) \
IEEE80211_LOCK_IMPL(_nt, nt_scanlock)
#define IEEE80211_SCAN_UNLOCK(_nt) \
IEEE80211_UNLOCK_IMPL(_nt, nt_scanlock)
#define IEEE80211_SCAN_LOCK_ASSERT(_nt) \
IEEE80211_LOCK_ASSERT_IMPL(_nt, nt_scanlock)
/*
* Per-node power-save queue definitions.
*/
#define IEEE80211_NODE_SAVEQ_INIT(_ni, _name) do { \
(_ni)->ni_savedq.ifq_maxlen = IEEE80211_PS_MAX_QUEUE; \
} while (0)
#define IEEE80211_NODE_SAVEQ_DESTROY(_ni)
#define IEEE80211_NODE_SAVEQ_QLEN(_ni) ((_ni)->ni_savedq.ifq_len)
#define IEEE80211_NODE_SAVEQ_LOCK(_ni)
#define IEEE80211_NODE_SAVEQ_UNLOCK(_ni)
#define IEEE80211_NODE_SAVEQ_DEQUEUE(_ni, _m, _qlen) do { \
IEEE80211_NODE_SAVEQ_LOCK(_ni); \
IF_DEQUEUE(&(_ni)->ni_savedq, _m); \
(_qlen) = IEEE80211_NODE_SAVEQ_QLEN(_ni); \
IEEE80211_NODE_SAVEQ_UNLOCK(_ni); \
} while (0)
#define IEEE80211_NODE_SAVEQ_DRAIN(_ni, _qlen) do { \
IEEE80211_NODE_SAVEQ_LOCK(_ni); \
(_qlen) = IEEE80211_NODE_SAVEQ_QLEN(_ni); \
IF_PURGE(&(_ni)->ni_savedq); \
IEEE80211_NODE_SAVEQ_UNLOCK(_ni); \
} while (0)
/* XXX could be optimized */
#define _IEEE80211_NODE_SAVEQ_DEQUEUE_HEAD(_ni, _m) do { \
IF_DEQUEUE(&(_ni)->ni_savedq, m); \
} while (0)
#define _IEEE80211_NODE_SAVEQ_ENQUEUE(_ni, _m, _qlen, _age) do {\
(_m)->m_nextpkt = NULL; \
if ((_ni)->ni_savedq.ifq_tail != NULL) { \
_age -= M_AGE_GET((_ni)->ni_savedq.ifq_tail); \
(_ni)->ni_savedq.ifq_tail->m_nextpkt = (_m); \
} else { \
(_ni)->ni_savedq.ifq_head = (_m); \
} \
M_AGE_SET(_m, _age); \
(_ni)->ni_savedq.ifq_tail = (_m); \
(_qlen) = ++(_ni)->ni_savedq.ifq_len; \
} while (0)
/*
* 802.1x MAC ACL database locking definitions.
*/
typedef kmutex_t acl_lock_t;
#define ACL_LOCK_INIT(_as, _name) \
IEEE80211_LOCK_INIT_IMPL(_as, _name, as_lock)
#define ACL_LOCK_DESTROY(_as) \
IEEE80211_LOCK_DESTROY_IMPL(_as, as_lock)
#define ACL_LOCK(_as) IEEE80211_LOCK_IMPL(_as, as_lock)
#define ACL_UNLOCK(_as) IEEE80211_UNLOCK_IMPL(_as, as_lock)
#define ACL_LOCK_ASSERT(_as) IEEE80211_LOCK_ASSERT_IMPL(_as, as_lock)
/*
* Media locking definitions.
*/
typedef kmutex_t ieee80211_media_lock_t;
struct ifqueue;
void ieee80211_drain_ifq(struct ifqueue *);
struct mbuf *ieee80211_getmgtframe(u_int8_t **frm, u_int pktlen);
#define M_PWR_SAV M_PROTO1 /* bypass PS handling */
#define M_MORE_DATA M_LINK3 /* more data frames to follow */
#define M_FRAG M_LINK4 /* 802.11 fragment */
#define M_FIRSTFRAG M_LINK5 /* first 802.11 fragment */
#define M_FF M_LINK6 /* "fast frames" */
/*
* Encode WME access control bits in the PROTO flags.
* This is safe since it's passed directly in to the
* driver and there's no chance someone else will clobber
* them on us.
*/
#define M_WME_AC_MASK (M_LINK1|M_LINK2)
/* XXX 5 is wrong if M_LINK* are redefined */
#define M_WME_AC_SHIFT 13
#define M_WME_SETAC(m, ac) \
((m)->m_flags = ((m)->m_flags &~ M_WME_AC_MASK) | \
((ac) << M_WME_AC_SHIFT))
#define M_WME_GETAC(m) (((m)->m_flags >> M_WME_AC_SHIFT) & 0x3)
/*
* Mbufs on the power save queue are tagged with an age and
* timed out. We reuse the hardware checksum field in the
* mbuf packet header to store this data.
*/
#define M_AGE_SET(m,v) (m->m_pkthdr.csum_data = v)
#define M_AGE_GET(m) (m->m_pkthdr.csum_data)
#define M_AGE_SUB(m,adj) (m->m_pkthdr.csum_data -= adj)
struct ieee80211com;
#endif /* _KERNEL */
/* XXX this stuff belongs elsewhere */
/*
* Message formats for messages from the net80211 layer to user
* applications via the routing socket. These messages are appended
* to an if_announcemsghdr structure.
*/
struct ieee80211_join_event {
uint8_t iev_addr[6];
};
struct ieee80211_leave_event {
uint8_t iev_addr[6];
};
struct ieee80211_replay_event {
uint8_t iev_src[6]; /* src MAC */
uint8_t iev_dst[6]; /* dst MAC */
uint8_t iev_cipher; /* cipher type */
uint8_t iev_keyix; /* key id/index */
uint64_t iev_keyrsc; /* RSC from key */
uint64_t iev_rsc; /* RSC from frame */
};
struct ieee80211_michael_event {
uint8_t iev_src[6]; /* src MAC */
uint8_t iev_dst[6]; /* dst MAC */
uint8_t iev_cipher; /* cipher type */
uint8_t iev_keyix; /* key id/index */
};
#define RTM_IEEE80211_ASSOC 100 /* station associate (bss mode) */
#define RTM_IEEE80211_REASSOC 101 /* station re-associate (bss mode) */
#define RTM_IEEE80211_DISASSOC 102 /* station disassociate (bss mode) */
#define RTM_IEEE80211_JOIN 103 /* station join (ap mode) */
#define RTM_IEEE80211_LEAVE 104 /* station leave (ap mode) */
#define RTM_IEEE80211_SCAN 105 /* scan complete, results available */
#define RTM_IEEE80211_REPLAY 106 /* sequence counter replay detected */
#define RTM_IEEE80211_MICHAEL 107 /* Michael MIC failure detected */
#define RTM_IEEE80211_REJOIN 108 /* station re-associate (ap mode) */
#ifdef _KERNEL
#define ticks hardclock_ticks
void if_printf(struct ifnet *, const char *, ...);
void get_random_bytes(void *, size_t);
void ieee80211_sysctl_attach(struct ieee80211com *);
void ieee80211_sysctl_detach(struct ieee80211com *);
void ieee80211_load_module(const char *);
void ieee80211_rssadapt_sysctl_setup(struct sysctllog **);
void ieee80211_init(void);
#define IEEE80211_CRYPTO_SETUP(name) \
static void name(void); \
__link_set_add_text(ieee80211_funcs, name); \
static void name(void)
#endif
int m_append(struct mbuf *, int, const void *);
#endif /* !_NET80211_IEEE80211_NETBSD_H_ */
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