1 /* $NetBSD: ieee80211_netbsd.h,v 1.19 2014/04/07 00:07:40 pooka Exp $ */ 2 /*- 3 * Copyright (c) 2003-2005 Sam Leffler, Errno Consulting 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $FreeBSD: src/sys/net80211/ieee80211_freebsd.h,v 1.6 2005/08/08 18:46:36 sam Exp $ 29 */ 30 #ifndef _NET80211_IEEE80211_NETBSD_H_ 31 #define _NET80211_IEEE80211_NETBSD_H_ 32 33 #ifdef _KERNEL 34 #define IASSERT(__cond, __complaint) \ 35 do { \ 36 if (!(__cond)) \ 37 panic __complaint ; \ 38 } while (/*CONSTCOND*/0) 39 40 void if_printf(struct ifnet *, const char *, ...) 41 __attribute__((__format__(__printf__,2,3))); 42 43 #define IEEE80211_LOCK_INIT_IMPL(_ic, _name, _member) \ 44 mutex_init(&(_ic)->_member, MUTEX_DEFAULT, IPL_NET) 45 #define IEEE80211_LOCK_IMPL(_ic, _member) \ 46 mutex_enter(&(_ic)->_member) 47 #define IEEE80211_IS_LOCKED_IMPL(_ic, _member) \ 48 mutex_owned(&(_ic)->_member) 49 #define IEEE80211_UNLOCK_IMPL(_ic, _member) \ 50 mutex_exit(&(_ic)->_member) 51 #define IEEE80211_LOCK_ASSERT_IMPL(_ic, _member) \ 52 IASSERT(mutex_owned(&(_ic)->_member), \ 53 ("%s: IEEE80211_LOCK not held", __func__)) 54 #define IEEE80211_LOCK_DESTROY_IMPL(_ic, _member) \ 55 mutex_destroy(&(_ic)->_member) 56 57 /* 58 * Beacon locking definitions. 59 */ 60 typedef kmutex_t ieee80211_beacon_lock_t; 61 #define IEEE80211_BEACON_LOCK_INIT(_ic, _name) \ 62 IEEE80211_LOCK_INIT_IMPL(_ic, _name, ic_beaconlock) 63 #define IEEE80211_BEACON_LOCK_DESTROY(_ic) \ 64 IEEE80211_LOCK_DESTROY_IMPL(_ic, ic_beaconlock) 65 #define IEEE80211_BEACON_LOCK(_ic) \ 66 IEEE80211_LOCK_IMPL(_ic, ic_beaconlock) 67 #define IEEE80211_BEACON_UNLOCK(_ic) \ 68 IEEE80211_UNLOCK_IMPL(_ic, ic_beaconlock) 69 #define IEEE80211_BEACON_LOCK_ASSERT(_ic) \ 70 IEEE80211_LOCK_ASSERT_IMPL(_ic, ic_beaconlock) 71 72 /* 73 * Node locking definitions. 74 * NB: MTX_DUPOK is because we don't generate per-interface strings. 75 */ 76 typedef kmutex_t ieee80211_node_lock_t; 77 #define IEEE80211_NODE_LOCK_INIT(_nt, _name) \ 78 IEEE80211_LOCK_INIT_IMPL(_nt, _name, nt_nodelock) 79 #define IEEE80211_NODE_LOCK_DESTROY(_nt) \ 80 IEEE80211_LOCK_DESTROY_IMPL(_nt, nt_nodelock) 81 #define IEEE80211_NODE_LOCK(_nt) \ 82 IEEE80211_LOCK_IMPL(_nt, nt_nodelock) 83 #define IEEE80211_NODE_IS_LOCKED(_nt) \ 84 IEEE80211_IS_LOCKED_IMPL(_nt, nt_nodelock) 85 #define IEEE80211_NODE_UNLOCK(_nt) \ 86 IEEE80211_UNLOCK_IMPL(_nt, nt_nodelock) 87 #define IEEE80211_NODE_LOCK_ASSERT(_nt) \ 88 IEEE80211_LOCK_ASSERT_IMPL(_nt, nt_nodelock) 89 90 /* 91 * Node table scangen locking definitions. 92 */ 93 typedef kmutex_t ieee80211_scan_lock_t; 94 #define IEEE80211_SCAN_LOCK_INIT(_nt, _name) \ 95 IEEE80211_LOCK_INIT_IMPL(_nt, _name, nt_scanlock) 96 #define IEEE80211_SCAN_LOCK_DESTROY(_nt) \ 97 IEEE80211_LOCK_DESTROY_IMPL(_nt, nt_scanlock) 98 #define IEEE80211_SCAN_LOCK(_nt) \ 99 IEEE80211_LOCK_IMPL(_nt, nt_scanlock) 100 #define IEEE80211_SCAN_UNLOCK(_nt) \ 101 IEEE80211_UNLOCK_IMPL(_nt, nt_scanlock) 102 #define IEEE80211_SCAN_LOCK_ASSERT(_nt) \ 103 IEEE80211_LOCK_ASSERT_IMPL(_nt, nt_scanlock) 104 105 /* 106 * Per-node power-save queue definitions. 107 */ 108 #define IEEE80211_NODE_SAVEQ_INIT(_ni, _name) do { \ 109 (_ni)->ni_savedq.ifq_maxlen = IEEE80211_PS_MAX_QUEUE; \ 110 } while (0) 111 #define IEEE80211_NODE_SAVEQ_DESTROY(_ni) 112 #define IEEE80211_NODE_SAVEQ_QLEN(_ni) ((_ni)->ni_savedq.ifq_len) 113 #define IEEE80211_NODE_SAVEQ_LOCK(_ni) 114 #define IEEE80211_NODE_SAVEQ_UNLOCK(_ni) 115 #define IEEE80211_NODE_SAVEQ_DEQUEUE(_ni, _m, _qlen) do { \ 116 IEEE80211_NODE_SAVEQ_LOCK(_ni); \ 117 IF_DEQUEUE(&(_ni)->ni_savedq, _m); \ 118 (_qlen) = IEEE80211_NODE_SAVEQ_QLEN(_ni); \ 119 IEEE80211_NODE_SAVEQ_UNLOCK(_ni); \ 120 } while (0) 121 #define IEEE80211_NODE_SAVEQ_DRAIN(_ni, _qlen) do { \ 122 IEEE80211_NODE_SAVEQ_LOCK(_ni); \ 123 (_qlen) = IEEE80211_NODE_SAVEQ_QLEN(_ni); \ 124 IF_PURGE(&(_ni)->ni_savedq); \ 125 IEEE80211_NODE_SAVEQ_UNLOCK(_ni); \ 126 } while (0) 127 /* XXX could be optimized */ 128 #define _IEEE80211_NODE_SAVEQ_DEQUEUE_HEAD(_ni, _m) do { \ 129 IF_DEQUEUE(&(_ni)->ni_savedq, m); \ 130 } while (0) 131 #define _IEEE80211_NODE_SAVEQ_ENQUEUE(_ni, _m, _qlen, _age) do {\ 132 (_m)->m_nextpkt = NULL; \ 133 if ((_ni)->ni_savedq.ifq_tail != NULL) { \ 134 _age -= M_AGE_GET((_ni)->ni_savedq.ifq_tail); \ 135 (_ni)->ni_savedq.ifq_tail->m_nextpkt = (_m); \ 136 } else { \ 137 (_ni)->ni_savedq.ifq_head = (_m); \ 138 } \ 139 M_AGE_SET(_m, _age); \ 140 (_ni)->ni_savedq.ifq_tail = (_m); \ 141 (_qlen) = ++(_ni)->ni_savedq.ifq_len; \ 142 } while (0) 143 144 /* 145 * 802.1x MAC ACL database locking definitions. 146 */ 147 typedef kmutex_t acl_lock_t; 148 #define ACL_LOCK_INIT(_as, _name) \ 149 IEEE80211_LOCK_INIT_IMPL(_as, _name, as_lock) 150 #define ACL_LOCK_DESTROY(_as) \ 151 IEEE80211_LOCK_DESTROY_IMPL(_as, as_lock) 152 #define ACL_LOCK(_as) IEEE80211_LOCK_IMPL(_as, as_lock) 153 #define ACL_UNLOCK(_as) IEEE80211_UNLOCK_IMPL(_as, as_lock) 154 #define ACL_LOCK_ASSERT(_as) IEEE80211_LOCK_ASSERT_IMPL(_as, as_lock) 155 156 struct ifqueue; 157 void ieee80211_drain_ifq(struct ifqueue *); 158 159 struct mbuf *ieee80211_getmgtframe(u_int8_t **frm, u_int pktlen); 160 #define M_PWR_SAV M_PROTO1 /* bypass PS handling */ 161 #define M_MORE_DATA M_LINK3 /* more data frames to follow */ 162 #define M_FRAG M_LINK4 /* 802.11 fragment */ 163 #define M_FIRSTFRAG M_LINK5 /* first 802.11 fragment */ 164 #define M_FF M_LINK6 /* "fast frames" */ 165 /* 166 * Encode WME access control bits in the PROTO flags. 167 * This is safe since it's passed directly in to the 168 * driver and there's no chance someone else will clobber 169 * them on us. 170 */ 171 #define M_WME_AC_MASK (M_LINK1|M_LINK2) 172 /* XXX 5 is wrong if M_LINK* are redefined */ 173 #define M_WME_AC_SHIFT 13 174 175 #define M_WME_SETAC(m, ac) \ 176 ((m)->m_flags = ((m)->m_flags &~ M_WME_AC_MASK) | \ 177 ((ac) << M_WME_AC_SHIFT)) 178 #define M_WME_GETAC(m) (((m)->m_flags >> M_WME_AC_SHIFT) & 0x3) 179 180 /* 181 * Mbufs on the power save queue are tagged with an age and 182 * timed out. We reuse the hardware checksum field in the 183 * mbuf packet header to store this data. 184 */ 185 #define M_AGE_SET(m,v) (m->m_pkthdr.csum_data = v) 186 #define M_AGE_GET(m) (m->m_pkthdr.csum_data) 187 #define M_AGE_SUB(m,adj) (m->m_pkthdr.csum_data -= adj) 188 189 struct ieee80211com; 190 #endif /* _KERNEL */ 191 192 /* XXX this stuff belongs elsewhere */ 193 /* 194 * Message formats for messages from the net80211 layer to user 195 * applications via the routing socket. These messages are appended 196 * to an if_announcemsghdr structure. 197 */ 198 struct ieee80211_join_event { 199 uint8_t iev_addr[6]; 200 }; 201 202 struct ieee80211_leave_event { 203 uint8_t iev_addr[6]; 204 }; 205 206 struct ieee80211_replay_event { 207 uint8_t iev_src[6]; /* src MAC */ 208 uint8_t iev_dst[6]; /* dst MAC */ 209 uint8_t iev_cipher; /* cipher type */ 210 uint8_t iev_keyix; /* key id/index */ 211 uint64_t iev_keyrsc; /* RSC from key */ 212 uint64_t iev_rsc; /* RSC from frame */ 213 }; 214 215 struct ieee80211_michael_event { 216 uint8_t iev_src[6]; /* src MAC */ 217 uint8_t iev_dst[6]; /* dst MAC */ 218 uint8_t iev_cipher; /* cipher type */ 219 uint8_t iev_keyix; /* key id/index */ 220 }; 221 222 #define RTM_IEEE80211_ASSOC 100 /* station associate (bss mode) */ 223 #define RTM_IEEE80211_REASSOC 101 /* station re-associate (bss mode) */ 224 #define RTM_IEEE80211_DISASSOC 102 /* station disassociate (bss mode) */ 225 #define RTM_IEEE80211_JOIN 103 /* station join (ap mode) */ 226 #define RTM_IEEE80211_LEAVE 104 /* station leave (ap mode) */ 227 #define RTM_IEEE80211_SCAN 105 /* scan complete, results available */ 228 #define RTM_IEEE80211_REPLAY 106 /* sequence counter replay detected */ 229 #define RTM_IEEE80211_MICHAEL 107 /* Michael MIC failure detected */ 230 #define RTM_IEEE80211_REJOIN 108 /* station re-associate (ap mode) */ 231 232 #ifdef _KERNEL 233 #define ticks hardclock_ticks 234 #define ovbcopy(__src, __dst, __n) ((void)memmove(__dst, __src, __n)) 235 236 void if_printf(struct ifnet *, const char *, ...); 237 void get_random_bytes(void *, size_t); 238 239 void ieee80211_sysctl_attach(struct ieee80211com *); 240 void ieee80211_sysctl_detach(struct ieee80211com *); 241 void ieee80211_load_module(const char *); 242 243 void ieee80211_rssadapt_sysctl_setup(struct sysctllog **); 244 245 void ieee80211_init(void); 246 #define IEEE80211_CRYPTO_SETUP(name) \ 247 static void name(void); \ 248 __link_set_add_text(ieee80211_funcs, name); \ 249 static void name(void) 250 #endif 251 252 #endif /* !_NET80211_IEEE80211_NETBSD_H_ */ 253