1138568Ssam/*- 2186904Ssam * Copyright (c) 2003-2009 Sam Leffler, Errno Consulting 3138568Ssam * All rights reserved. 4138568Ssam * 5138568Ssam * Redistribution and use in source and binary forms, with or without 6138568Ssam * modification, are permitted provided that the following conditions 7138568Ssam * are met: 8138568Ssam * 1. Redistributions of source code must retain the above copyright 9138568Ssam * notice, this list of conditions and the following disclaimer. 10138568Ssam * 2. Redistributions in binary form must reproduce the above copyright 11138568Ssam * notice, this list of conditions and the following disclaimer in the 12138568Ssam * documentation and/or other materials provided with the distribution. 13138568Ssam * 14138568Ssam * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 15138568Ssam * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16138568Ssam * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17138568Ssam * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 18138568Ssam * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19138568Ssam * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20138568Ssam * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21138568Ssam * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22138568Ssam * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23138568Ssam * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24138568Ssam */ 25138568Ssam 26138568Ssam#include <sys/cdefs.h> 27138568Ssam__FBSDID("$FreeBSD$"); 28138568Ssam 29138568Ssam/* 30138568Ssam * IEEE 802.11 support (FreeBSD-specific code) 31138568Ssam */ 32178354Ssam#include "opt_wlan.h" 33178354Ssam 34138568Ssam#include <sys/param.h> 35138568Ssam#include <sys/kernel.h> 36138568Ssam#include <sys/systm.h> 37138568Ssam#include <sys/linker.h> 38138568Ssam#include <sys/mbuf.h> 39138568Ssam#include <sys/module.h> 40138568Ssam#include <sys/proc.h> 41138568Ssam#include <sys/sysctl.h> 42138568Ssam 43138568Ssam#include <sys/socket.h> 44138568Ssam 45192468Ssam#include <net/bpf.h> 46138568Ssam#include <net/if.h> 47190526Ssam#include <net/if_dl.h> 48178354Ssam#include <net/if_clone.h> 49138568Ssam#include <net/if_media.h> 50178354Ssam#include <net/if_types.h> 51138568Ssam#include <net/ethernet.h> 52138568Ssam#include <net/route.h> 53196019Srwatson#include <net/vnet.h> 54138568Ssam 55138568Ssam#include <net80211/ieee80211_var.h> 56195757Ssam#include <net80211/ieee80211_input.h> 57138568Ssam 58138568SsamSYSCTL_NODE(_net, OID_AUTO, wlan, CTLFLAG_RD, 0, "IEEE 80211 parameters"); 59138568Ssam 60138568Ssam#ifdef IEEE80211_DEBUG 61138568Ssamint ieee80211_debug = 0; 62138568SsamSYSCTL_INT(_net_wlan, OID_AUTO, debug, CTLFLAG_RW, &ieee80211_debug, 63138568Ssam 0, "debugging printfs"); 64138568Ssam#endif 65138568Ssam 66227293Sedstatic MALLOC_DEFINE(M_80211_COM, "80211com", "802.11 com state"); 67178354Ssam 68242154Sadrian#if __FreeBSD_version >= 1000020 69241610Sglebiusstatic const char wlanname[] = "wlan"; 70241610Sglebiusstatic struct if_clone *wlan_cloner; 71242154Sadrian#endif 72241610Sglebius 73178354Ssam/* 74178354Ssam * Allocate/free com structure in conjunction with ifnet; 75178354Ssam * these routines are registered with if_register_com_alloc 76178354Ssam * below and are called automatically by the ifnet code 77178354Ssam * when the ifnet of the parent device is created. 78178354Ssam */ 79178354Ssamstatic void * 80178354Ssamwlan_alloc(u_char type, struct ifnet *ifp) 81178354Ssam{ 82178354Ssam struct ieee80211com *ic; 83178354Ssam 84178354Ssam ic = malloc(sizeof(struct ieee80211com), M_80211_COM, M_WAITOK|M_ZERO); 85178354Ssam ic->ic_ifp = ifp; 86178354Ssam 87178354Ssam return (ic); 88178354Ssam} 89178354Ssam 90178354Ssamstatic void 91178354Ssamwlan_free(void *ic, u_char type) 92178354Ssam{ 93178354Ssam free(ic, M_80211_COM); 94178354Ssam} 95178354Ssam 96138568Ssamstatic int 97178354Ssamwlan_clone_create(struct if_clone *ifc, int unit, caddr_t params) 98173273Ssam{ 99178354Ssam struct ieee80211_clone_params cp; 100178354Ssam struct ieee80211vap *vap; 101178354Ssam struct ieee80211com *ic; 102178354Ssam struct ifnet *ifp; 103173273Ssam int error; 104173273Ssam 105178354Ssam error = copyin(params, &cp, sizeof(cp)); 106178354Ssam if (error) 107178354Ssam return error; 108178354Ssam ifp = ifunit(cp.icp_parent); 109178354Ssam if (ifp == NULL) 110178354Ssam return ENXIO; 111178957Ssam /* XXX move printfs to DIAGNOSTIC before release */ 112178354Ssam if (ifp->if_type != IFT_IEEE80211) { 113178354Ssam if_printf(ifp, "%s: reject, not an 802.11 device\n", __func__); 114178957Ssam return ENXIO; 115178957Ssam } 116178957Ssam if (cp.icp_opmode >= IEEE80211_OPMODE_MAX) { 117178957Ssam if_printf(ifp, "%s: invalid opmode %d\n", 118178957Ssam __func__, cp.icp_opmode); 119178354Ssam return EINVAL; 120178354Ssam } 121178354Ssam ic = ifp->if_l2com; 122178957Ssam if ((ic->ic_caps & ieee80211_opcap[cp.icp_opmode]) == 0) { 123178957Ssam if_printf(ifp, "%s mode not supported\n", 124178957Ssam ieee80211_opmode_name[cp.icp_opmode]); 125178957Ssam return EOPNOTSUPP; 126178957Ssam } 127186904Ssam if ((cp.icp_flags & IEEE80211_CLONE_TDMA) && 128186904Ssam#ifdef IEEE80211_SUPPORT_TDMA 129186904Ssam (ic->ic_caps & IEEE80211_C_TDMA) == 0 130186904Ssam#else 131186904Ssam (1) 132186904Ssam#endif 133186904Ssam ) { 134186904Ssam if_printf(ifp, "TDMA not supported\n"); 135186904Ssam return EOPNOTSUPP; 136186904Ssam } 137242154Sadrian#if __FreeBSD_version >= 1000020 138241610Sglebius vap = ic->ic_vap_create(ic, wlanname, unit, 139178354Ssam cp.icp_opmode, cp.icp_flags, cp.icp_bssid, 140178354Ssam cp.icp_flags & IEEE80211_CLONE_MACADDR ? 141190526Ssam cp.icp_macaddr : (const uint8_t *)IF_LLADDR(ifp)); 142242154Sadrian#else 143242154Sadrian vap = ic->ic_vap_create(ic, ifc->ifc_name, unit, 144242154Sadrian cp.icp_opmode, cp.icp_flags, cp.icp_bssid, 145242154Sadrian cp.icp_flags & IEEE80211_CLONE_MACADDR ? 146242154Sadrian cp.icp_macaddr : (const uint8_t *)IF_LLADDR(ifp)); 147242154Sadrian 148242154Sadrian#endif 149242154Sadrian 150178354Ssam return (vap == NULL ? EIO : 0); 151178354Ssam} 152178354Ssam 153178354Ssamstatic void 154178354Ssamwlan_clone_destroy(struct ifnet *ifp) 155178354Ssam{ 156178354Ssam struct ieee80211vap *vap = ifp->if_softc; 157178354Ssam struct ieee80211com *ic = vap->iv_ic; 158178354Ssam 159178354Ssam ic->ic_vap_delete(vap); 160178354Ssam} 161178354Ssam 162242155Sadrian#if __FreeBSD_version < 1000020 163242154SadrianIFC_SIMPLE_DECLARE(wlan, 0); 164242155Sadrian#endif 165242154Sadrian 166178354Ssamvoid 167178354Ssamieee80211_vap_destroy(struct ieee80211vap *vap) 168178354Ssam{ 169242149Sadrian CURVNET_SET(vap->iv_ifp->if_vnet); 170242154Sadrian#if __FreeBSD_version >= 1000020 171241610Sglebius if_clone_destroyif(wlan_cloner, vap->iv_ifp); 172242154Sadrian#else 173242154Sadrian if_clone_destroyif(&wlan_cloner, vap->iv_ifp); 174242154Sadrian#endif 175242149Sadrian CURVNET_RESTORE(); 176178354Ssam} 177178354Ssam 178192473Ssamint 179178354Ssamieee80211_sysctl_msecs_ticks(SYSCTL_HANDLER_ARGS) 180178354Ssam{ 181178354Ssam int msecs = ticks_to_msecs(*(int *)arg1); 182178354Ssam int error, t; 183178354Ssam 184178354Ssam error = sysctl_handle_int(oidp, &msecs, 0, req); 185173273Ssam if (error || !req->newptr) 186173273Ssam return error; 187178354Ssam t = msecs_to_ticks(msecs); 188178354Ssam *(int *)arg1 = (t < 1) ? 1 : t; 189173273Ssam return 0; 190173273Ssam} 191178354Ssam 192173273Ssamstatic int 193138568Ssamieee80211_sysctl_inact(SYSCTL_HANDLER_ARGS) 194138568Ssam{ 195138568Ssam int inact = (*(int *)arg1) * IEEE80211_INACT_WAIT; 196138568Ssam int error; 197138568Ssam 198138568Ssam error = sysctl_handle_int(oidp, &inact, 0, req); 199138568Ssam if (error || !req->newptr) 200138568Ssam return error; 201138568Ssam *(int *)arg1 = inact / IEEE80211_INACT_WAIT; 202138568Ssam return 0; 203138568Ssam} 204138568Ssam 205138568Ssamstatic int 206138568Ssamieee80211_sysctl_parent(SYSCTL_HANDLER_ARGS) 207138568Ssam{ 208138568Ssam struct ieee80211com *ic = arg1; 209138568Ssam const char *name = ic->ic_ifp->if_xname; 210138568Ssam 211138568Ssam return SYSCTL_OUT(req, name, strlen(name)); 212138568Ssam} 213138568Ssam 214181194Ssamstatic int 215181194Ssamieee80211_sysctl_radar(SYSCTL_HANDLER_ARGS) 216181194Ssam{ 217181194Ssam struct ieee80211com *ic = arg1; 218181194Ssam int t = 0, error; 219181194Ssam 220181194Ssam error = sysctl_handle_int(oidp, &t, 0, req); 221181194Ssam if (error || !req->newptr) 222181194Ssam return error; 223181194Ssam IEEE80211_LOCK(ic); 224181194Ssam ieee80211_dfs_notify_radar(ic, ic->ic_curchan); 225181194Ssam IEEE80211_UNLOCK(ic); 226181194Ssam return 0; 227181194Ssam} 228181194Ssam 229138568Ssamvoid 230138568Ssamieee80211_sysctl_attach(struct ieee80211com *ic) 231138568Ssam{ 232178354Ssam} 233178354Ssam 234178354Ssamvoid 235178354Ssamieee80211_sysctl_detach(struct ieee80211com *ic) 236178354Ssam{ 237178354Ssam} 238178354Ssam 239178354Ssamvoid 240178354Ssamieee80211_sysctl_vattach(struct ieee80211vap *vap) 241178354Ssam{ 242178354Ssam struct ifnet *ifp = vap->iv_ifp; 243138568Ssam struct sysctl_ctx_list *ctx; 244138568Ssam struct sysctl_oid *oid; 245138568Ssam char num[14]; /* sufficient for 32 bits */ 246138568Ssam 247186302Ssam ctx = (struct sysctl_ctx_list *) malloc(sizeof(struct sysctl_ctx_list), 248138568Ssam M_DEVBUF, M_NOWAIT | M_ZERO); 249138568Ssam if (ctx == NULL) { 250178354Ssam if_printf(ifp, "%s: cannot allocate sysctl context!\n", 251138568Ssam __func__); 252138568Ssam return; 253138568Ssam } 254138568Ssam sysctl_ctx_init(ctx); 255178354Ssam snprintf(num, sizeof(num), "%u", ifp->if_dunit); 256138568Ssam oid = SYSCTL_ADD_NODE(ctx, &SYSCTL_NODE_CHILDREN(_net, wlan), 257138568Ssam OID_AUTO, num, CTLFLAG_RD, NULL, ""); 258138568Ssam SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 259217554Smdf "%parent", CTLTYPE_STRING | CTLFLAG_RD, vap->iv_ic, 0, 260178354Ssam ieee80211_sysctl_parent, "A", "parent device"); 261217322Smdf SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 262178354Ssam "driver_caps", CTLFLAG_RW, &vap->iv_caps, 0, 263178354Ssam "driver capabilities"); 264138568Ssam#ifdef IEEE80211_DEBUG 265178354Ssam vap->iv_debug = ieee80211_debug; 266217322Smdf SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 267178354Ssam "debug", CTLFLAG_RW, &vap->iv_debug, 0, 268138568Ssam "control debugging printfs"); 269138568Ssam#endif 270178354Ssam SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 271178354Ssam "bmiss_max", CTLFLAG_RW, &vap->iv_bmiss_max, 0, 272178354Ssam "consecutive beacon misses before scanning"); 273138568Ssam /* XXX inherit from tunables */ 274138568Ssam SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 275178354Ssam "inact_run", CTLTYPE_INT | CTLFLAG_RW, &vap->iv_inact_run, 0, 276138568Ssam ieee80211_sysctl_inact, "I", 277138568Ssam "station inactivity timeout (sec)"); 278138568Ssam SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 279178354Ssam "inact_probe", CTLTYPE_INT | CTLFLAG_RW, &vap->iv_inact_probe, 0, 280138568Ssam ieee80211_sysctl_inact, "I", 281138568Ssam "station inactivity probe timeout (sec)"); 282138568Ssam SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 283178354Ssam "inact_auth", CTLTYPE_INT | CTLFLAG_RW, &vap->iv_inact_auth, 0, 284138568Ssam ieee80211_sysctl_inact, "I", 285138568Ssam "station authentication timeout (sec)"); 286138568Ssam SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 287178354Ssam "inact_init", CTLTYPE_INT | CTLFLAG_RW, &vap->iv_inact_init, 0, 288138568Ssam ieee80211_sysctl_inact, "I", 289138568Ssam "station initial state timeout (sec)"); 290178354Ssam if (vap->iv_htcaps & IEEE80211_HTC_HT) { 291217322Smdf SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 292178354Ssam "ampdu_mintraffic_bk", CTLFLAG_RW, 293178354Ssam &vap->iv_ampdu_mintraffic[WME_AC_BK], 0, 294178354Ssam "BK traffic tx aggr threshold (pps)"); 295217322Smdf SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 296178354Ssam "ampdu_mintraffic_be", CTLFLAG_RW, 297178354Ssam &vap->iv_ampdu_mintraffic[WME_AC_BE], 0, 298178354Ssam "BE traffic tx aggr threshold (pps)"); 299217322Smdf SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 300178354Ssam "ampdu_mintraffic_vo", CTLFLAG_RW, 301178354Ssam &vap->iv_ampdu_mintraffic[WME_AC_VO], 0, 302178354Ssam "VO traffic tx aggr threshold (pps)"); 303217322Smdf SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 304178354Ssam "ampdu_mintraffic_vi", CTLFLAG_RW, 305178354Ssam &vap->iv_ampdu_mintraffic[WME_AC_VI], 0, 306178354Ssam "VI traffic tx aggr threshold (pps)"); 307178354Ssam } 308181194Ssam if (vap->iv_caps & IEEE80211_C_DFS) { 309181194Ssam SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 310181194Ssam "radar", CTLTYPE_INT | CTLFLAG_RW, vap->iv_ic, 0, 311193115Ssam ieee80211_sysctl_radar, "I", "simulate radar event"); 312181194Ssam } 313178354Ssam vap->iv_sysctl = ctx; 314178354Ssam vap->iv_oid = oid; 315138568Ssam} 316138568Ssam 317138568Ssamvoid 318178354Ssamieee80211_sysctl_vdetach(struct ieee80211vap *vap) 319138568Ssam{ 320138568Ssam 321178354Ssam if (vap->iv_sysctl != NULL) { 322178354Ssam sysctl_ctx_free(vap->iv_sysctl); 323186302Ssam free(vap->iv_sysctl, M_DEVBUF); 324178354Ssam vap->iv_sysctl = NULL; 325138568Ssam } 326138568Ssam} 327138568Ssam 328138568Ssamint 329138568Ssamieee80211_node_dectestref(struct ieee80211_node *ni) 330138568Ssam{ 331138568Ssam /* XXX need equivalent of atomic_dec_and_test */ 332138568Ssam atomic_subtract_int(&ni->ni_refcnt, 1); 333138568Ssam return atomic_cmpset_int(&ni->ni_refcnt, 0, 1); 334138568Ssam} 335138568Ssam 336165894Ssamvoid 337165894Ssamieee80211_drain_ifq(struct ifqueue *ifq) 338165894Ssam{ 339165894Ssam struct ieee80211_node *ni; 340165894Ssam struct mbuf *m; 341165894Ssam 342165894Ssam for (;;) { 343165894Ssam IF_DEQUEUE(ifq, m); 344165894Ssam if (m == NULL) 345165894Ssam break; 346165894Ssam 347165894Ssam ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 348165894Ssam KASSERT(ni != NULL, ("frame w/o node")); 349165894Ssam ieee80211_free_node(ni); 350165894Ssam m->m_pkthdr.rcvif = NULL; 351165894Ssam 352165894Ssam m_freem(m); 353165894Ssam } 354165894Ssam} 355165894Ssam 356178354Ssamvoid 357178354Ssamieee80211_flush_ifq(struct ifqueue *ifq, struct ieee80211vap *vap) 358178354Ssam{ 359178354Ssam struct ieee80211_node *ni; 360178354Ssam struct mbuf *m, **mprev; 361178354Ssam 362178354Ssam IF_LOCK(ifq); 363178354Ssam mprev = &ifq->ifq_head; 364178354Ssam while ((m = *mprev) != NULL) { 365178354Ssam ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 366178354Ssam if (ni != NULL && ni->ni_vap == vap) { 367178354Ssam *mprev = m->m_nextpkt; /* remove from list */ 368178354Ssam ifq->ifq_len--; 369178354Ssam 370178354Ssam m_freem(m); 371178354Ssam ieee80211_free_node(ni); /* reclaim ref */ 372178354Ssam } else 373178354Ssam mprev = &m->m_nextpkt; 374178354Ssam } 375178354Ssam /* recalculate tail ptr */ 376178354Ssam m = ifq->ifq_head; 377178354Ssam for (; m != NULL && m->m_nextpkt != NULL; m = m->m_nextpkt) 378178354Ssam ; 379178354Ssam ifq->ifq_tail = m; 380178354Ssam IF_UNLOCK(ifq); 381178354Ssam} 382178354Ssam 383138568Ssam/* 384170530Ssam * As above, for mbufs allocated with m_gethdr/MGETHDR 385170530Ssam * or initialized by M_COPY_PKTHDR. 386170530Ssam */ 387170530Ssam#define MC_ALIGN(m, len) \ 388170530Ssamdo { \ 389170530Ssam (m)->m_data += (MCLBYTES - (len)) &~ (sizeof(long) - 1); \ 390170530Ssam} while (/* CONSTCOND */ 0) 391170530Ssam 392170530Ssam/* 393138568Ssam * Allocate and setup a management frame of the specified 394138568Ssam * size. We return the mbuf and a pointer to the start 395138568Ssam * of the contiguous data area that's been reserved based 396138568Ssam * on the packet length. The data area is forced to 32-bit 397138568Ssam * alignment and the buffer length to a multiple of 4 bytes. 398138568Ssam * This is done mainly so beacon frames (that require this) 399138568Ssam * can use this interface too. 400138568Ssam */ 401138568Ssamstruct mbuf * 402170530Ssamieee80211_getmgtframe(uint8_t **frm, int headroom, int pktlen) 403138568Ssam{ 404138568Ssam struct mbuf *m; 405138568Ssam u_int len; 406138568Ssam 407138568Ssam /* 408138568Ssam * NB: we know the mbuf routines will align the data area 409138568Ssam * so we don't need to do anything special. 410138568Ssam */ 411170530Ssam len = roundup2(headroom + pktlen, 4); 412138568Ssam KASSERT(len <= MCLBYTES, ("802.11 mgt frame too large: %u", len)); 413138568Ssam if (len < MINCLSIZE) { 414151967Sandre m = m_gethdr(M_NOWAIT, MT_DATA); 415138568Ssam /* 416138568Ssam * Align the data in case additional headers are added. 417138568Ssam * This should only happen when a WEP header is added 418138568Ssam * which only happens for shared key authentication mgt 419138568Ssam * frames which all fit in MHLEN. 420138568Ssam */ 421138568Ssam if (m != NULL) 422138568Ssam MH_ALIGN(m, len); 423170530Ssam } else { 424151967Sandre m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 425170530Ssam if (m != NULL) 426170530Ssam MC_ALIGN(m, len); 427170530Ssam } 428138568Ssam if (m != NULL) { 429171984Ssephe m->m_data += headroom; 430138568Ssam *frm = m->m_data; 431138568Ssam } 432138568Ssam return m; 433138568Ssam} 434138568Ssam 435246710Sglebius#ifndef __NO_STRICT_ALIGNMENT 436195757Ssam/* 437195757Ssam * Re-align the payload in the mbuf. This is mainly used (right now) 438195757Ssam * to handle IP header alignment requirements on certain architectures. 439195757Ssam */ 440195757Ssamstruct mbuf * 441195757Ssamieee80211_realign(struct ieee80211vap *vap, struct mbuf *m, size_t align) 442195757Ssam{ 443195757Ssam int pktlen, space; 444195757Ssam struct mbuf *n; 445195757Ssam 446195757Ssam pktlen = m->m_pkthdr.len; 447195757Ssam space = pktlen + align; 448195757Ssam if (space < MINCLSIZE) 449243882Sglebius n = m_gethdr(M_NOWAIT, MT_DATA); 450195757Ssam else { 451243882Sglebius n = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, 452195757Ssam space <= MCLBYTES ? MCLBYTES : 453195757Ssam#if MJUMPAGESIZE != MCLBYTES 454195757Ssam space <= MJUMPAGESIZE ? MJUMPAGESIZE : 455195757Ssam#endif 456195757Ssam space <= MJUM9BYTES ? MJUM9BYTES : MJUM16BYTES); 457195757Ssam } 458195757Ssam if (__predict_true(n != NULL)) { 459195757Ssam m_move_pkthdr(n, m); 460195757Ssam n->m_data = (caddr_t)(ALIGN(n->m_data + align) - align); 461195757Ssam m_copydata(m, 0, pktlen, mtod(n, caddr_t)); 462195757Ssam n->m_len = pktlen; 463195757Ssam } else { 464195757Ssam IEEE80211_DISCARD(vap, IEEE80211_MSG_ANY, 465195757Ssam mtod(m, const struct ieee80211_frame *), NULL, 466195757Ssam "%s", "no mbuf to realign"); 467195757Ssam vap->iv_stats.is_rx_badalign++; 468195757Ssam } 469195757Ssam m_freem(m); 470195757Ssam return n; 471195757Ssam} 472246710Sglebius#endif /* !__NO_STRICT_ALIGNMENT */ 473195757Ssam 474170530Ssamint 475170530Ssamieee80211_add_callback(struct mbuf *m, 476170530Ssam void (*func)(struct ieee80211_node *, void *, int), void *arg) 477170530Ssam{ 478170530Ssam struct m_tag *mtag; 479170530Ssam struct ieee80211_cb *cb; 480170530Ssam 481170530Ssam mtag = m_tag_alloc(MTAG_ABI_NET80211, NET80211_TAG_CALLBACK, 482170530Ssam sizeof(struct ieee80211_cb), M_NOWAIT); 483170530Ssam if (mtag == NULL) 484170530Ssam return 0; 485170530Ssam 486170530Ssam cb = (struct ieee80211_cb *)(mtag+1); 487170530Ssam cb->func = func; 488170530Ssam cb->arg = arg; 489170530Ssam m_tag_prepend(m, mtag); 490170530Ssam m->m_flags |= M_TXCB; 491170530Ssam return 1; 492170530Ssam} 493170530Ssam 494170530Ssamvoid 495170530Ssamieee80211_process_callback(struct ieee80211_node *ni, 496170530Ssam struct mbuf *m, int status) 497170530Ssam{ 498170530Ssam struct m_tag *mtag; 499170530Ssam 500170530Ssam mtag = m_tag_locate(m, MTAG_ABI_NET80211, NET80211_TAG_CALLBACK, NULL); 501170530Ssam if (mtag != NULL) { 502170530Ssam struct ieee80211_cb *cb = (struct ieee80211_cb *)(mtag+1); 503170530Ssam cb->func(ni, cb->arg, status); 504170530Ssam } 505170530Ssam} 506170530Ssam 507248069Sadrian/* 508248069Sadrian * Transmit a frame to the parent interface. 509248069Sadrian * 510248069Sadrian * TODO: if the transmission fails, make sure the parent node is freed 511248069Sadrian * (the callers will first need modifying.) 512248069Sadrian */ 513248069Sadrianint 514254082Sadrianieee80211_parent_xmitpkt(struct ieee80211com *ic, 515248069Sadrian struct mbuf *m) 516248069Sadrian{ 517248069Sadrian struct ifnet *parent = ic->ic_ifp; 518248069Sadrian /* 519248069Sadrian * Assert the IC TX lock is held - this enforces the 520248069Sadrian * processing -> queuing order is maintained 521248069Sadrian */ 522248069Sadrian IEEE80211_TX_LOCK_ASSERT(ic); 523248069Sadrian 524248069Sadrian return (parent->if_transmit(parent, m)); 525248069Sadrian} 526248069Sadrian 527248069Sadrian/* 528248069Sadrian * Transmit a frame to the VAP interface. 529248069Sadrian */ 530248069Sadrianint 531254082Sadrianieee80211_vap_xmitpkt(struct ieee80211vap *vap, struct mbuf *m) 532248069Sadrian{ 533248069Sadrian struct ifnet *ifp = vap->iv_ifp; 534248069Sadrian 535248069Sadrian /* 536248069Sadrian * When transmitting via the VAP, we shouldn't hold 537248069Sadrian * any IC TX lock as the VAP TX path will acquire it. 538248069Sadrian */ 539248069Sadrian IEEE80211_TX_UNLOCK_ASSERT(vap->iv_ic); 540248069Sadrian 541248069Sadrian return (ifp->if_transmit(ifp, m)); 542248069Sadrian 543248069Sadrian} 544248069Sadrian 545138568Ssam#include <sys/libkern.h> 546138568Ssam 547138568Ssamvoid 548138568Ssamget_random_bytes(void *p, size_t n) 549138568Ssam{ 550170530Ssam uint8_t *dp = p; 551138568Ssam 552138568Ssam while (n > 0) { 553170530Ssam uint32_t v = arc4random(); 554170530Ssam size_t nb = n > sizeof(uint32_t) ? sizeof(uint32_t) : n; 555170530Ssam bcopy(&v, dp, n > sizeof(uint32_t) ? sizeof(uint32_t) : n); 556170530Ssam dp += sizeof(uint32_t), n -= nb; 557138568Ssam } 558138568Ssam} 559138568Ssam 560178354Ssam/* 561178354Ssam * Helper function for events that pass just a single mac address. 562178354Ssam */ 563178354Ssamstatic void 564178354Ssamnotify_macaddr(struct ifnet *ifp, int op, const uint8_t mac[IEEE80211_ADDR_LEN]) 565138568Ssam{ 566138568Ssam struct ieee80211_join_event iev; 567138568Ssam 568191816Szec CURVNET_SET(ifp->if_vnet); 569144302Ssam memset(&iev, 0, sizeof(iev)); 570178354Ssam IEEE80211_ADDR_COPY(iev.iev_addr, mac); 571178354Ssam rt_ieee80211msg(ifp, op, &iev, sizeof(iev)); 572191816Szec CURVNET_RESTORE(); 573178354Ssam} 574178354Ssam 575178354Ssamvoid 576178354Ssamieee80211_notify_node_join(struct ieee80211_node *ni, int newassoc) 577178354Ssam{ 578178354Ssam struct ieee80211vap *vap = ni->ni_vap; 579178354Ssam struct ifnet *ifp = vap->iv_ifp; 580178354Ssam 581191816Szec CURVNET_SET_QUIET(ifp->if_vnet); 582178354Ssam IEEE80211_NOTE(vap, IEEE80211_MSG_NODE, ni, "%snode join", 583178354Ssam (ni == vap->iv_bss) ? "bss " : ""); 584178354Ssam 585178354Ssam if (ni == vap->iv_bss) { 586178354Ssam notify_macaddr(ifp, newassoc ? 587178354Ssam RTM_IEEE80211_ASSOC : RTM_IEEE80211_REASSOC, ni->ni_bssid); 588138568Ssam if_link_state_change(ifp, LINK_STATE_UP); 589144302Ssam } else { 590178354Ssam notify_macaddr(ifp, newassoc ? 591178354Ssam RTM_IEEE80211_JOIN : RTM_IEEE80211_REJOIN, ni->ni_macaddr); 592138568Ssam } 593191816Szec CURVNET_RESTORE(); 594138568Ssam} 595138568Ssam 596138568Ssamvoid 597178354Ssamieee80211_notify_node_leave(struct ieee80211_node *ni) 598138568Ssam{ 599178354Ssam struct ieee80211vap *vap = ni->ni_vap; 600178354Ssam struct ifnet *ifp = vap->iv_ifp; 601138568Ssam 602191816Szec CURVNET_SET_QUIET(ifp->if_vnet); 603178354Ssam IEEE80211_NOTE(vap, IEEE80211_MSG_NODE, ni, "%snode leave", 604178354Ssam (ni == vap->iv_bss) ? "bss " : ""); 605178354Ssam 606178354Ssam if (ni == vap->iv_bss) { 607138568Ssam rt_ieee80211msg(ifp, RTM_IEEE80211_DISASSOC, NULL, 0); 608138568Ssam if_link_state_change(ifp, LINK_STATE_DOWN); 609138568Ssam } else { 610138568Ssam /* fire off wireless event station leaving */ 611178354Ssam notify_macaddr(ifp, RTM_IEEE80211_LEAVE, ni->ni_macaddr); 612138568Ssam } 613191816Szec CURVNET_RESTORE(); 614138568Ssam} 615138568Ssam 616138568Ssamvoid 617178354Ssamieee80211_notify_scan_done(struct ieee80211vap *vap) 618138568Ssam{ 619178354Ssam struct ifnet *ifp = vap->iv_ifp; 620138568Ssam 621178354Ssam IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, "%s\n", "notify scan done"); 622138568Ssam 623138568Ssam /* dispatch wireless event indicating scan completed */ 624191816Szec CURVNET_SET(ifp->if_vnet); 625138568Ssam rt_ieee80211msg(ifp, RTM_IEEE80211_SCAN, NULL, 0); 626191816Szec CURVNET_RESTORE(); 627138568Ssam} 628138568Ssam 629138568Ssamvoid 630178354Ssamieee80211_notify_replay_failure(struct ieee80211vap *vap, 631138568Ssam const struct ieee80211_frame *wh, const struct ieee80211_key *k, 632193541Ssam u_int64_t rsc, int tid) 633138568Ssam{ 634178354Ssam struct ifnet *ifp = vap->iv_ifp; 635138568Ssam 636178354Ssam IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_CRYPTO, wh->i_addr2, 637226885Sadrian "%s replay detected tid %d <rsc %ju, csc %ju, keyix %u rxkeyix %u>", 638233531Sadrian k->wk_cipher->ic_name, tid, (intmax_t) rsc, 639193541Ssam (intmax_t) k->wk_keyrsc[tid], 640148863Ssam k->wk_keyix, k->wk_rxkeyix); 641138568Ssam 642138568Ssam if (ifp != NULL) { /* NB: for cipher test modules */ 643138568Ssam struct ieee80211_replay_event iev; 644138568Ssam 645138568Ssam IEEE80211_ADDR_COPY(iev.iev_dst, wh->i_addr1); 646138568Ssam IEEE80211_ADDR_COPY(iev.iev_src, wh->i_addr2); 647138568Ssam iev.iev_cipher = k->wk_cipher->ic_cipher; 648148863Ssam if (k->wk_rxkeyix != IEEE80211_KEYIX_NONE) 649148863Ssam iev.iev_keyix = k->wk_rxkeyix; 650148863Ssam else 651148863Ssam iev.iev_keyix = k->wk_keyix; 652193541Ssam iev.iev_keyrsc = k->wk_keyrsc[tid]; 653138568Ssam iev.iev_rsc = rsc; 654191816Szec CURVNET_SET(ifp->if_vnet); 655138568Ssam rt_ieee80211msg(ifp, RTM_IEEE80211_REPLAY, &iev, sizeof(iev)); 656191816Szec CURVNET_RESTORE(); 657138568Ssam } 658138568Ssam} 659138568Ssam 660138568Ssamvoid 661178354Ssamieee80211_notify_michael_failure(struct ieee80211vap *vap, 662138568Ssam const struct ieee80211_frame *wh, u_int keyix) 663138568Ssam{ 664178354Ssam struct ifnet *ifp = vap->iv_ifp; 665138568Ssam 666178354Ssam IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_CRYPTO, wh->i_addr2, 667178354Ssam "michael MIC verification failed <keyix %u>", keyix); 668178354Ssam vap->iv_stats.is_rx_tkipmic++; 669138568Ssam 670138568Ssam if (ifp != NULL) { /* NB: for cipher test modules */ 671138568Ssam struct ieee80211_michael_event iev; 672138568Ssam 673138568Ssam IEEE80211_ADDR_COPY(iev.iev_dst, wh->i_addr1); 674138568Ssam IEEE80211_ADDR_COPY(iev.iev_src, wh->i_addr2); 675138568Ssam iev.iev_cipher = IEEE80211_CIPHER_TKIP; 676138568Ssam iev.iev_keyix = keyix; 677191816Szec CURVNET_SET(ifp->if_vnet); 678138568Ssam rt_ieee80211msg(ifp, RTM_IEEE80211_MICHAEL, &iev, sizeof(iev)); 679191816Szec CURVNET_RESTORE(); 680138568Ssam } 681138568Ssam} 682138568Ssam 683138568Ssamvoid 684178354Ssamieee80211_notify_wds_discover(struct ieee80211_node *ni) 685178354Ssam{ 686178354Ssam struct ieee80211vap *vap = ni->ni_vap; 687178354Ssam struct ifnet *ifp = vap->iv_ifp; 688178354Ssam 689178354Ssam notify_macaddr(ifp, RTM_IEEE80211_WDS, ni->ni_macaddr); 690178354Ssam} 691178354Ssam 692178354Ssamvoid 693178354Ssamieee80211_notify_csa(struct ieee80211com *ic, 694178354Ssam const struct ieee80211_channel *c, int mode, int count) 695178354Ssam{ 696178354Ssam struct ifnet *ifp = ic->ic_ifp; 697178354Ssam struct ieee80211_csa_event iev; 698178354Ssam 699178354Ssam memset(&iev, 0, sizeof(iev)); 700178354Ssam iev.iev_flags = c->ic_flags; 701178354Ssam iev.iev_freq = c->ic_freq; 702178354Ssam iev.iev_ieee = c->ic_ieee; 703178354Ssam iev.iev_mode = mode; 704178354Ssam iev.iev_count = count; 705248539Sadrian CURVNET_SET(ifp->if_vnet); 706178354Ssam rt_ieee80211msg(ifp, RTM_IEEE80211_CSA, &iev, sizeof(iev)); 707248539Sadrian CURVNET_RESTORE(); 708178354Ssam} 709178354Ssam 710178354Ssamvoid 711178354Ssamieee80211_notify_radar(struct ieee80211com *ic, 712178354Ssam const struct ieee80211_channel *c) 713178354Ssam{ 714178354Ssam struct ifnet *ifp = ic->ic_ifp; 715178354Ssam struct ieee80211_radar_event iev; 716178354Ssam 717178354Ssam memset(&iev, 0, sizeof(iev)); 718178354Ssam iev.iev_flags = c->ic_flags; 719178354Ssam iev.iev_freq = c->ic_freq; 720178354Ssam iev.iev_ieee = c->ic_ieee; 721248539Sadrian CURVNET_SET(ifp->if_vnet); 722178354Ssam rt_ieee80211msg(ifp, RTM_IEEE80211_RADAR, &iev, sizeof(iev)); 723248539Sadrian CURVNET_RESTORE(); 724178354Ssam} 725178354Ssam 726178354Ssamvoid 727178354Ssamieee80211_notify_cac(struct ieee80211com *ic, 728178354Ssam const struct ieee80211_channel *c, enum ieee80211_notify_cac_event type) 729178354Ssam{ 730178354Ssam struct ifnet *ifp = ic->ic_ifp; 731178354Ssam struct ieee80211_cac_event iev; 732178354Ssam 733178354Ssam memset(&iev, 0, sizeof(iev)); 734178354Ssam iev.iev_flags = c->ic_flags; 735178354Ssam iev.iev_freq = c->ic_freq; 736178354Ssam iev.iev_ieee = c->ic_ieee; 737178354Ssam iev.iev_type = type; 738248539Sadrian CURVNET_SET(ifp->if_vnet); 739178354Ssam rt_ieee80211msg(ifp, RTM_IEEE80211_CAC, &iev, sizeof(iev)); 740248539Sadrian CURVNET_RESTORE(); 741178354Ssam} 742178354Ssam 743178354Ssamvoid 744178354Ssamieee80211_notify_node_deauth(struct ieee80211_node *ni) 745178354Ssam{ 746178354Ssam struct ieee80211vap *vap = ni->ni_vap; 747178354Ssam struct ifnet *ifp = vap->iv_ifp; 748178354Ssam 749178354Ssam IEEE80211_NOTE(vap, IEEE80211_MSG_NODE, ni, "%s", "node deauth"); 750178354Ssam 751178354Ssam notify_macaddr(ifp, RTM_IEEE80211_DEAUTH, ni->ni_macaddr); 752178354Ssam} 753178354Ssam 754178354Ssamvoid 755178354Ssamieee80211_notify_node_auth(struct ieee80211_node *ni) 756178354Ssam{ 757178354Ssam struct ieee80211vap *vap = ni->ni_vap; 758178354Ssam struct ifnet *ifp = vap->iv_ifp; 759178354Ssam 760178354Ssam IEEE80211_NOTE(vap, IEEE80211_MSG_NODE, ni, "%s", "node auth"); 761178354Ssam 762178354Ssam notify_macaddr(ifp, RTM_IEEE80211_AUTH, ni->ni_macaddr); 763178354Ssam} 764178354Ssam 765178354Ssamvoid 766178354Ssamieee80211_notify_country(struct ieee80211vap *vap, 767178354Ssam const uint8_t bssid[IEEE80211_ADDR_LEN], const uint8_t cc[2]) 768178354Ssam{ 769178354Ssam struct ifnet *ifp = vap->iv_ifp; 770178354Ssam struct ieee80211_country_event iev; 771178354Ssam 772178354Ssam memset(&iev, 0, sizeof(iev)); 773178354Ssam IEEE80211_ADDR_COPY(iev.iev_addr, bssid); 774178354Ssam iev.iev_cc[0] = cc[0]; 775178354Ssam iev.iev_cc[1] = cc[1]; 776248539Sadrian CURVNET_SET(ifp->if_vnet); 777178354Ssam rt_ieee80211msg(ifp, RTM_IEEE80211_COUNTRY, &iev, sizeof(iev)); 778248539Sadrian CURVNET_RESTORE(); 779178354Ssam} 780178354Ssam 781178354Ssamvoid 782178354Ssamieee80211_notify_radio(struct ieee80211com *ic, int state) 783178354Ssam{ 784178354Ssam struct ifnet *ifp = ic->ic_ifp; 785178354Ssam struct ieee80211_radio_event iev; 786178354Ssam 787178354Ssam memset(&iev, 0, sizeof(iev)); 788178354Ssam iev.iev_state = state; 789248539Sadrian CURVNET_SET(ifp->if_vnet); 790178354Ssam rt_ieee80211msg(ifp, RTM_IEEE80211_RADIO, &iev, sizeof(iev)); 791248539Sadrian CURVNET_RESTORE(); 792178354Ssam} 793178354Ssam 794178354Ssamvoid 795138568Ssamieee80211_load_module(const char *modname) 796138568Ssam{ 797159590Sjhb 798138777Ssam#ifdef notyet 799159590Sjhb (void)kern_kldload(curthread, modname, NULL); 800138777Ssam#else 801138777Ssam printf("%s: load the %s module by hand for now.\n", __func__, modname); 802138777Ssam#endif 803138568Ssam} 804138568Ssam 805192468Ssamstatic eventhandler_tag wlan_bpfevent; 806202612Sthompsastatic eventhandler_tag wlan_ifllevent; 807192468Ssam 808192468Ssamstatic void 809192764Ssambpf_track(void *arg, struct ifnet *ifp, int dlt, int attach) 810192468Ssam{ 811259187Sgavin /* NB: identify vap's by if_init */ 812254082Sadrian if (dlt == DLT_IEEE802_11_RADIO && 813259187Sgavin ifp->if_init == ieee80211_init) { 814192468Ssam struct ieee80211vap *vap = ifp->if_softc; 815192468Ssam /* 816192468Ssam * Track bpf radiotap listener state. We mark the vap 817192468Ssam * to indicate if any listener is present and the com 818192468Ssam * to indicate if any listener exists on any associated 819192468Ssam * vap. This flag is used by drivers to prepare radiotap 820192468Ssam * state only when needed. 821192468Ssam */ 822193292Ssam if (attach) { 823192468Ssam ieee80211_syncflag_ext(vap, IEEE80211_FEXT_BPF); 824193292Ssam if (vap->iv_opmode == IEEE80211_M_MONITOR) 825193292Ssam atomic_add_int(&vap->iv_ic->ic_montaps, 1); 826193312Ssam } else if (!bpf_peers_present(vap->iv_rawbpf)) { 827192468Ssam ieee80211_syncflag_ext(vap, -IEEE80211_FEXT_BPF); 828193292Ssam if (vap->iv_opmode == IEEE80211_M_MONITOR) 829193292Ssam atomic_subtract_int(&vap->iv_ic->ic_montaps, 1); 830193292Ssam } 831192468Ssam } 832192468Ssam} 833192468Ssam 834202612Sthompsastatic void 835202612Sthompsawlan_iflladdr(void *arg __unused, struct ifnet *ifp) 836202612Sthompsa{ 837202612Sthompsa struct ieee80211com *ic = ifp->if_l2com; 838202612Sthompsa struct ieee80211vap *vap, *next; 839202612Sthompsa 840202612Sthompsa if (ifp->if_type != IFT_IEEE80211 || ic == NULL) 841202612Sthompsa return; 842202612Sthompsa 843202612Sthompsa IEEE80211_LOCK(ic); 844202612Sthompsa TAILQ_FOREACH_SAFE(vap, &ic->ic_vaps, iv_next, next) { 845202612Sthompsa /* 846202612Sthompsa * If the MAC address has changed on the parent and it was 847202612Sthompsa * copied to the vap on creation then re-sync. 848202612Sthompsa */ 849202612Sthompsa if (vap->iv_ic == ic && 850202612Sthompsa (vap->iv_flags_ext & IEEE80211_FEXT_UNIQMAC) == 0) { 851202612Sthompsa IEEE80211_ADDR_COPY(vap->iv_myaddr, IF_LLADDR(ifp)); 852202612Sthompsa IEEE80211_UNLOCK(ic); 853202612Sthompsa if_setlladdr(vap->iv_ifp, IF_LLADDR(ifp), 854202612Sthompsa IEEE80211_ADDR_LEN); 855202612Sthompsa IEEE80211_LOCK(ic); 856202612Sthompsa } 857202612Sthompsa } 858202612Sthompsa IEEE80211_UNLOCK(ic); 859202612Sthompsa} 860202612Sthompsa 861138568Ssam/* 862138568Ssam * Module glue. 863138568Ssam * 864138568Ssam * NB: the module name is "wlan" for compatibility with NetBSD. 865138568Ssam */ 866138568Ssamstatic int 867138568Ssamwlan_modevent(module_t mod, int type, void *unused) 868138568Ssam{ 869138568Ssam switch (type) { 870138568Ssam case MOD_LOAD: 871138568Ssam if (bootverbose) 872138568Ssam printf("wlan: <802.11 Link Layer>\n"); 873192468Ssam wlan_bpfevent = EVENTHANDLER_REGISTER(bpf_track, 874192468Ssam bpf_track, 0, EVENTHANDLER_PRI_ANY); 875192468Ssam if (wlan_bpfevent == NULL) 876192468Ssam return ENOMEM; 877202612Sthompsa wlan_ifllevent = EVENTHANDLER_REGISTER(iflladdr_event, 878202612Sthompsa wlan_iflladdr, NULL, EVENTHANDLER_PRI_ANY); 879202612Sthompsa if (wlan_ifllevent == NULL) { 880202612Sthompsa EVENTHANDLER_DEREGISTER(bpf_track, wlan_bpfevent); 881202612Sthompsa return ENOMEM; 882202612Sthompsa } 883242154Sadrian#if __FreeBSD_version >= 1000020 884241610Sglebius wlan_cloner = if_clone_simple(wlanname, wlan_clone_create, 885241610Sglebius wlan_clone_destroy, 0); 886242154Sadrian#else 887242154Sadrian if_clone_attach(&wlan_cloner); 888242154Sadrian#endif 889178354Ssam if_register_com_alloc(IFT_IEEE80211, wlan_alloc, wlan_free); 890138568Ssam return 0; 891138568Ssam case MOD_UNLOAD: 892178354Ssam if_deregister_com_alloc(IFT_IEEE80211); 893242154Sadrian#if __FreeBSD_version >= 1000020 894241610Sglebius if_clone_detach(wlan_cloner); 895242154Sadrian#else 896242154Sadrian if_clone_detach(&wlan_cloner); 897242154Sadrian#endif 898192468Ssam EVENTHANDLER_DEREGISTER(bpf_track, wlan_bpfevent); 899202612Sthompsa EVENTHANDLER_DEREGISTER(iflladdr_event, wlan_ifllevent); 900138568Ssam return 0; 901138568Ssam } 902138568Ssam return EINVAL; 903138568Ssam} 904138568Ssam 905138568Ssamstatic moduledata_t wlan_mod = { 906242154Sadrian#if __FreeBSD_version >= 1000020 907241610Sglebius wlanname, 908242154Sadrian#else 909242154Sadrian "wlan", 910242154Sadrian#endif 911138568Ssam wlan_modevent, 912241394Skevlo 0 913138568Ssam}; 914138568SsamDECLARE_MODULE(wlan, wlan_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST); 915138568SsamMODULE_VERSION(wlan, 1); 916138568SsamMODULE_DEPEND(wlan, ether, 1, 1, 1); 917233050Sadrian#ifdef IEEE80211_ALQ 918233050SadrianMODULE_DEPEND(wlan, alq, 1, 1, 1); 919233050Sadrian#endif /* IEEE80211_ALQ */ 920233050Sadrian 921