diff options
Diffstat (limited to 'sys/net80211/ieee80211_freebsd.h')
-rw-r--r-- | sys/net80211/ieee80211_freebsd.h | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/sys/net80211/ieee80211_freebsd.h b/sys/net80211/ieee80211_freebsd.h new file mode 100644 index 0000000..bb0e912 --- /dev/null +++ b/sys/net80211/ieee80211_freebsd.h @@ -0,0 +1,223 @@ +/*- + * Copyright (c) 2003, 2004 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. + * + * $FreeBSD$ + */ +#ifndef _NET80211_IEEE80211_FREEBSD_H_ +#define _NET80211_IEEE80211_FREEBSD_H_ + +/* + * Beacon locking definitions. + */ +typedef struct mtx ieee80211_beacon_lock_t; +#define IEEE80211_BEACON_LOCK_INIT(_ic, _name) \ + mtx_init(&(_ic)->ic_beaconlock, _name, "802.11 beacon lock", MTX_DEF) +#define IEEE80211_BEACON_LOCK_DESTROY(_ic) mtx_destroy(&(_ic)->ic_beaconlock) +#define IEEE80211_BEACON_LOCK(_ic) mtx_lock(&(_ic)->ic_beaconlock) +#define IEEE80211_BEACON_UNLOCK(_ic) mtx_unlock(&(_ic)->ic_beaconlock) +#define IEEE80211_BEACON_LOCK_ASSERT(_ic) \ + mtx_assert(&(_ic)->ic_beaconlock, MA_OWNED) + +/* + * Node locking definitions. + */ +typedef struct mtx ieee80211_node_lock_t; +#define IEEE80211_NODE_LOCK_INIT(_nt, _name) \ + mtx_init(&(_nt)->nt_nodelock, _name, "802.11 node table", MTX_DEF) +#define IEEE80211_NODE_LOCK_DESTROY(_nt) mtx_destroy(&(_nt)->nt_nodelock) +#define IEEE80211_NODE_LOCK(_nt) mtx_lock(&(_nt)->nt_nodelock) +#define IEEE80211_NODE_UNLOCK(_nt) mtx_unlock(&(_nt)->nt_nodelock) +#define IEEE80211_NODE_LOCK_ASSERT(_nt) \ + mtx_assert(&(_nt)->nt_nodelock, MA_OWNED) + +/* + * Node table scangen locking definitions. + */ +typedef struct mtx ieee80211_scan_lock_t; +#define IEEE80211_SCAN_LOCK_INIT(_nt, _name) \ + mtx_init(&(_nt)->nt_scanlock, _name, "802.11 scangen", MTX_DEF) +#define IEEE80211_SCAN_LOCK_DESTROY(_nt) mtx_destroy(&(_nt)->nt_scanlock) +#define IEEE80211_SCAN_LOCK(_nt) mtx_lock(&(_nt)->nt_scanlock) +#define IEEE80211_SCAN_UNLOCK(_nt) mtx_unlock(&(_nt)->nt_scanlock) +#define IEEE80211_SCAN_LOCK_ASSERT(_nt) \ + mtx_assert(&(_nt)->nt_scanlock, MA_OWNED) + +/* + * Per-node power-save queue definitions. + */ +#define IEEE80211_NODE_SAVEQ_INIT(_ni, _name) do { \ + mtx_init(&(_ni)->ni_savedq.ifq_mtx, _name, "802.11 ps queue", MTX_DEF);\ + (_ni)->ni_savedq.ifq_maxlen = IEEE80211_PS_MAX_QUEUE; \ +} while (0) +#define IEEE80211_NODE_SAVEQ_DESTROY(_ni) \ + mtx_destroy(&(_ni)->ni_savedq.ifq_mtx) +#define IEEE80211_NODE_SAVEQ_QLEN(_ni) \ + _IF_QLEN(&(_ni)->ni_savedq) +#define IEEE80211_NODE_SAVEQ_LOCK(_ni) do { \ + IF_LOCK(&(_ni)->ni_savedq); \ +} while (0) +#define IEEE80211_NODE_SAVEQ_UNLOCK(_ni) do { \ + IF_UNLOCK(&(_ni)->ni_savedq); \ +} while (0) +#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_DRAIN(&(_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 struct mtx acl_lock_t; +#define ACL_LOCK_INIT(_as, _name) \ + mtx_init(&(_as)->as_lock, _name, "802.11 ACL", MTX_DEF) +#define ACL_LOCK_DESTROY(_as) mtx_destroy(&(_as)->as_lock) +#define ACL_LOCK(_as) mtx_lock(&(_as)->as_lock) +#define ACL_UNLOCK(_as) mtx_unlock(&(_as)->as_lock) +#define ACL_LOCK_ASSERT(_as) \ + mtx_assert((&(_as)->as_lock), MA_OWNED) + +/* + * Node reference counting definitions. + * + * ieee80211_node_initref initialize the reference count to 1 + * ieee80211_node_incref add a reference + * ieee80211_node_decref remove a reference + * ieee80211_node_dectestref remove a reference and return 1 if this + * is the last reference, otherwise 0 + * ieee80211_node_refcnt reference count for printing (only) + */ +#include <machine/atomic.h> + +#define ieee80211_node_initref(_ni) \ + do { ((_ni)->ni_refcnt = 1); } while (0) +#define ieee80211_node_incref(_ni) \ + atomic_add_int(&(_ni)->ni_refcnt, 1) +#define ieee80211_node_decref(_ni) \ + atomic_subtract_int(&(_ni)->ni_refcnt, 1) +struct ieee80211_node; +extern int ieee80211_node_dectestref(struct ieee80211_node *ni); +#define ieee80211_node_refcnt(_ni) (_ni)->ni_refcnt + +extern struct mbuf *ieee80211_getmgtframe(u_int8_t **frm, u_int pktlen); +#define M_LINK0 M_PROTO1 /* WEP requested */ +#define M_PWR_SAV M_PROTO4 /* bypass PS handling */ +/* + * 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_PROTO2|M_PROTO3) +/* XXX 5 is wrong if M_PROTO* are redefined */ +#define M_WME_AC_SHIFT 5 + +#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) + +extern void get_random_bytes(void *, size_t); + +struct ieee80211com; + +void ieee80211_sysctl_attach(struct ieee80211com *); +void ieee80211_sysctl_detach(struct ieee80211com *); + +void ieee80211_load_module(const char *); + +/* 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 */ + +#endif /* _NET80211_IEEE80211_FREEBSD_H_ */ |