ieee80211.c revision 1.31.2.2
1 1.31.2.2 skrll /* $NetBSD: ieee80211.c,v 1.31.2.2 2004/08/03 10:54:20 skrll Exp $ */ 2 1.31.2.2 skrll /*- 3 1.31.2.2 skrll * Copyright (c) 2001 Atsushi Onoe 4 1.31.2.2 skrll * Copyright (c) 2002, 2003 Sam Leffler, Errno Consulting 5 1.31.2.2 skrll * All rights reserved. 6 1.31.2.2 skrll * 7 1.31.2.2 skrll * Redistribution and use in source and binary forms, with or without 8 1.31.2.2 skrll * modification, are permitted provided that the following conditions 9 1.31.2.2 skrll * are met: 10 1.31.2.2 skrll * 1. Redistributions of source code must retain the above copyright 11 1.31.2.2 skrll * notice, this list of conditions and the following disclaimer. 12 1.31.2.2 skrll * 2. Redistributions in binary form must reproduce the above copyright 13 1.31.2.2 skrll * notice, this list of conditions and the following disclaimer in the 14 1.31.2.2 skrll * documentation and/or other materials provided with the distribution. 15 1.31.2.2 skrll * 3. The name of the author may not be used to endorse or promote products 16 1.31.2.2 skrll * derived from this software without specific prior written permission. 17 1.31.2.2 skrll * 18 1.31.2.2 skrll * Alternatively, this software may be distributed under the terms of the 19 1.31.2.2 skrll * GNU General Public License ("GPL") version 2 as published by the Free 20 1.31.2.2 skrll * Software Foundation. 21 1.31.2.2 skrll * 22 1.31.2.2 skrll * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 1.31.2.2 skrll * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 1.31.2.2 skrll * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 1.31.2.2 skrll * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 1.31.2.2 skrll * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 1.31.2.2 skrll * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 1.31.2.2 skrll * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 1.31.2.2 skrll * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 1.31.2.2 skrll * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 1.31.2.2 skrll * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 1.31.2.2 skrll */ 33 1.31.2.2 skrll 34 1.31.2.2 skrll #include <sys/cdefs.h> 35 1.31.2.2 skrll #ifdef __FreeBSD__ 36 1.31.2.2 skrll __FBSDID("$FreeBSD: src/sys/net80211/ieee80211.c,v 1.11 2004/04/02 20:19:20 sam Exp $"); 37 1.31.2.2 skrll #else 38 1.31.2.2 skrll __KERNEL_RCSID(0, "$NetBSD: ieee80211.c,v 1.31.2.2 2004/08/03 10:54:20 skrll Exp $"); 39 1.31.2.2 skrll #endif 40 1.31.2.2 skrll 41 1.31.2.2 skrll /* 42 1.31.2.2 skrll * IEEE 802.11 generic handler 43 1.31.2.2 skrll */ 44 1.31.2.2 skrll 45 1.31.2.2 skrll #include "opt_inet.h" 46 1.31.2.2 skrll #include "bpfilter.h" 47 1.31.2.2 skrll 48 1.31.2.2 skrll #include <sys/param.h> 49 1.31.2.2 skrll #include <sys/systm.h> 50 1.31.2.2 skrll #include <sys/mbuf.h> 51 1.31.2.2 skrll #include <sys/malloc.h> 52 1.31.2.2 skrll #include <sys/kernel.h> 53 1.31.2.2 skrll #include <sys/socket.h> 54 1.31.2.2 skrll #include <sys/sockio.h> 55 1.31.2.2 skrll #include <sys/endian.h> 56 1.31.2.2 skrll #include <sys/errno.h> 57 1.31.2.2 skrll #ifdef __FreeBSD__ 58 1.31.2.2 skrll #include <sys/bus.h> 59 1.31.2.2 skrll #endif 60 1.31.2.2 skrll #include <sys/proc.h> 61 1.31.2.2 skrll #include <sys/sysctl.h> 62 1.31.2.2 skrll 63 1.31.2.2 skrll #ifdef __FreeBSD__ 64 1.31.2.2 skrll #include <machine/atomic.h> 65 1.31.2.2 skrll #endif 66 1.31.2.2 skrll 67 1.31.2.2 skrll #include <net/if.h> 68 1.31.2.2 skrll #include <net/if_dl.h> 69 1.31.2.2 skrll #include <net/if_media.h> 70 1.31.2.2 skrll #include <net/if_arp.h> 71 1.31.2.2 skrll #ifdef __FreeBSD__ 72 1.31.2.2 skrll #include <net/ethernet.h> 73 1.31.2.2 skrll #else 74 1.31.2.2 skrll #include <net/if_ether.h> 75 1.31.2.2 skrll #endif 76 1.31.2.2 skrll #include <net/if_llc.h> 77 1.31.2.2 skrll 78 1.31.2.2 skrll #include <net80211/ieee80211_var.h> 79 1.31.2.2 skrll #include <net80211/ieee80211_compat.h> 80 1.31.2.2 skrll #include <net80211/ieee80211_sysctl.h> 81 1.31.2.2 skrll 82 1.31.2.2 skrll #include <net/bpf.h> 83 1.31.2.2 skrll 84 1.31.2.2 skrll #ifdef INET 85 1.31.2.2 skrll #include <netinet/in.h> 86 1.31.2.2 skrll #ifdef __FreeBSD__ 87 1.31.2.2 skrll #include <netinet/if_ether.h> 88 1.31.2.2 skrll #else 89 1.31.2.2 skrll #include <net/if_ether.h> 90 1.31.2.2 skrll #endif 91 1.31.2.2 skrll #endif 92 1.31.2.2 skrll 93 1.31.2.2 skrll #ifdef IEEE80211_DEBUG 94 1.31.2.2 skrll int ieee80211_debug = 0; 95 1.31.2.2 skrll #ifdef __NetBSD__ 96 1.31.2.2 skrll static int ieee80211_debug_nodenum; 97 1.31.2.2 skrll #endif /* __NetBSD__ */ 98 1.31.2.2 skrll 99 1.31.2.2 skrll #ifdef __FreeBSD__ 100 1.31.2.2 skrll SYSCTL_INT(_debug, OID_AUTO, ieee80211, CTLFLAG_RW, &ieee80211_debug, 101 1.31.2.2 skrll 0, "IEEE 802.11 media debugging printfs"); 102 1.31.2.2 skrll #endif 103 1.31.2.2 skrll #endif 104 1.31.2.2 skrll 105 1.31.2.2 skrll int ieee80211_inact_max = IEEE80211_INACT_MAX; 106 1.31.2.2 skrll static int ieee80211_inact_max_nodenum; 107 1.31.2.2 skrll 108 1.31.2.2 skrll struct ieee80211com_head ieee80211com_head = 109 1.31.2.2 skrll LIST_HEAD_INITIALIZER(ieee80211com_head); 110 1.31.2.2 skrll 111 1.31.2.2 skrll static void ieee80211_setbasicrates(struct ieee80211com *); 112 1.31.2.2 skrll 113 1.31.2.2 skrll #ifdef __NetBSD__ 114 1.31.2.2 skrll static void sysctl_ieee80211_fill_node(struct ieee80211_node *, 115 1.31.2.2 skrll struct ieee80211_node_sysctl *, int, struct ieee80211_channel *, int); 116 1.31.2.2 skrll static struct ieee80211_node *ieee80211_node_walknext( 117 1.31.2.2 skrll struct ieee80211_node_walk *); 118 1.31.2.2 skrll static struct ieee80211_node *ieee80211_node_walkfirst( 119 1.31.2.2 skrll struct ieee80211_node_walk *, u_short); 120 1.31.2.2 skrll static int sysctl_ieee80211_verify(SYSCTLFN_ARGS); 121 1.31.2.2 skrll static int sysctl_ieee80211_node(SYSCTLFN_ARGS); 122 1.31.2.2 skrll #endif /* __NetBSD__ */ 123 1.31.2.2 skrll 124 1.31.2.2 skrll #define LOGICALLY_EQUAL(x, y) (!(x) == !(y)) 125 1.31.2.2 skrll 126 1.31.2.2 skrll static const char *ieee80211_phymode_name[] = { 127 1.31.2.2 skrll "auto", /* IEEE80211_MODE_AUTO */ 128 1.31.2.2 skrll "11a", /* IEEE80211_MODE_11A */ 129 1.31.2.2 skrll "11b", /* IEEE80211_MODE_11B */ 130 1.31.2.2 skrll "11g", /* IEEE80211_MODE_11G */ 131 1.31.2.2 skrll "FH", /* IEEE80211_MODE_FH */ 132 1.31.2.2 skrll "turbo", /* IEEE80211_MODE_TURBO */ 133 1.31.2.2 skrll }; 134 1.31.2.2 skrll 135 1.31.2.2 skrll void 136 1.31.2.2 skrll ieee80211_ifattach(struct ifnet *ifp) 137 1.31.2.2 skrll { 138 1.31.2.2 skrll struct ieee80211com *ic = (void *)ifp; 139 1.31.2.2 skrll struct ieee80211_channel *c; 140 1.31.2.2 skrll int i; 141 1.31.2.2 skrll 142 1.31.2.2 skrll ether_ifattach(ifp, ic->ic_myaddr); 143 1.31.2.2 skrll #if NBPFILTER > 0 144 1.31.2.2 skrll bpfattach2(ifp, DLT_IEEE802_11, 145 1.31.2.2 skrll sizeof(struct ieee80211_frame_addr4), &ic->ic_rawbpf); 146 1.31.2.2 skrll #endif 147 1.31.2.2 skrll ieee80211_crypto_attach(ifp); 148 1.31.2.2 skrll 149 1.31.2.2 skrll /* 150 1.31.2.2 skrll * Fill in 802.11 available channel set, mark 151 1.31.2.2 skrll * all available channels as active, and pick 152 1.31.2.2 skrll * a default channel if not already specified. 153 1.31.2.2 skrll */ 154 1.31.2.2 skrll memset(ic->ic_chan_avail, 0, sizeof(ic->ic_chan_avail)); 155 1.31.2.2 skrll ic->ic_modecaps |= 1<<IEEE80211_MODE_AUTO; 156 1.31.2.2 skrll for (i = 0; i <= IEEE80211_CHAN_MAX; i++) { 157 1.31.2.2 skrll c = &ic->ic_channels[i]; 158 1.31.2.2 skrll if (c->ic_flags) { 159 1.31.2.2 skrll /* 160 1.31.2.2 skrll * Verify driver passed us valid data. 161 1.31.2.2 skrll */ 162 1.31.2.2 skrll if (i != ieee80211_chan2ieee(ic, c)) { 163 1.31.2.2 skrll if_printf(ifp, "bad channel ignored; " 164 1.31.2.2 skrll "freq %u flags %x number %u\n", 165 1.31.2.2 skrll c->ic_freq, c->ic_flags, i); 166 1.31.2.2 skrll c->ic_flags = 0; /* NB: remove */ 167 1.31.2.2 skrll continue; 168 1.31.2.2 skrll } 169 1.31.2.2 skrll setbit(ic->ic_chan_avail, i); 170 1.31.2.2 skrll /* 171 1.31.2.2 skrll * Identify mode capabilities. 172 1.31.2.2 skrll */ 173 1.31.2.2 skrll if (IEEE80211_IS_CHAN_A(c)) 174 1.31.2.2 skrll ic->ic_modecaps |= 1<<IEEE80211_MODE_11A; 175 1.31.2.2 skrll if (IEEE80211_IS_CHAN_B(c)) 176 1.31.2.2 skrll ic->ic_modecaps |= 1<<IEEE80211_MODE_11B; 177 1.31.2.2 skrll if (IEEE80211_IS_CHAN_PUREG(c)) 178 1.31.2.2 skrll ic->ic_modecaps |= 1<<IEEE80211_MODE_11G; 179 1.31.2.2 skrll if (IEEE80211_IS_CHAN_FHSS(c)) 180 1.31.2.2 skrll ic->ic_modecaps |= 1<<IEEE80211_MODE_FH; 181 1.31.2.2 skrll if (IEEE80211_IS_CHAN_T(c)) 182 1.31.2.2 skrll ic->ic_modecaps |= 1<<IEEE80211_MODE_TURBO; 183 1.31.2.2 skrll } 184 1.31.2.2 skrll } 185 1.31.2.2 skrll /* validate ic->ic_curmode */ 186 1.31.2.2 skrll if ((ic->ic_modecaps & (1<<ic->ic_curmode)) == 0) 187 1.31.2.2 skrll ic->ic_curmode = IEEE80211_MODE_AUTO; 188 1.31.2.2 skrll ic->ic_des_chan = IEEE80211_CHAN_ANYC; /* any channel is ok */ 189 1.31.2.2 skrll 190 1.31.2.2 skrll ieee80211_setbasicrates(ic); 191 1.31.2.2 skrll (void) ieee80211_setmode(ic, ic->ic_curmode); 192 1.31.2.2 skrll 193 1.31.2.2 skrll if (ic->ic_lintval == 0) 194 1.31.2.2 skrll ic->ic_lintval = 100; /* default sleep */ 195 1.31.2.2 skrll ic->ic_bmisstimeout = 7*ic->ic_lintval; /* default 7 beacons */ 196 1.31.2.2 skrll 197 1.31.2.2 skrll LIST_INSERT_HEAD(&ieee80211com_head, ic, ic_list); 198 1.31.2.2 skrll ieee80211_node_attach(ic); 199 1.31.2.2 skrll ieee80211_proto_attach(ifp); 200 1.31.2.2 skrll } 201 1.31.2.2 skrll 202 1.31.2.2 skrll void 203 1.31.2.2 skrll ieee80211_ifdetach(struct ifnet *ifp) 204 1.31.2.2 skrll { 205 1.31.2.2 skrll struct ieee80211com *ic = (void *)ifp; 206 1.31.2.2 skrll 207 1.31.2.2 skrll ieee80211_proto_detach(ifp); 208 1.31.2.2 skrll ieee80211_crypto_detach(ifp); 209 1.31.2.2 skrll ieee80211_node_detach(ic); 210 1.31.2.2 skrll LIST_REMOVE(ic, ic_list); 211 1.31.2.2 skrll #ifdef __FreeBSD__ 212 1.31.2.2 skrll ifmedia_removeall(&ic->ic_media); 213 1.31.2.2 skrll #else 214 1.31.2.2 skrll ifmedia_delete_instance(&ic->ic_media, IFM_INST_ANY); 215 1.31.2.2 skrll #endif 216 1.31.2.2 skrll #if NBPFILTER > 0 217 1.31.2.2 skrll bpfdetach(ifp); 218 1.31.2.2 skrll #endif 219 1.31.2.2 skrll ether_ifdetach(ifp); 220 1.31.2.2 skrll } 221 1.31.2.2 skrll 222 1.31.2.2 skrll /* 223 1.31.2.2 skrll * Convert MHz frequency to IEEE channel number. 224 1.31.2.2 skrll */ 225 1.31.2.2 skrll u_int 226 1.31.2.2 skrll ieee80211_mhz2ieee(u_int freq, u_int flags) 227 1.31.2.2 skrll { 228 1.31.2.2 skrll if (flags & IEEE80211_CHAN_2GHZ) { /* 2GHz band */ 229 1.31.2.2 skrll if (freq == 2484) 230 1.31.2.2 skrll return 14; 231 1.31.2.2 skrll if (freq < 2484) 232 1.31.2.2 skrll return (freq - 2407) / 5; 233 1.31.2.2 skrll else 234 1.31.2.2 skrll return 15 + ((freq - 2512) / 20); 235 1.31.2.2 skrll } else if (flags & IEEE80211_CHAN_5GHZ) { /* 5Ghz band */ 236 1.31.2.2 skrll return (freq - 5000) / 5; 237 1.31.2.2 skrll } else { /* either, guess */ 238 1.31.2.2 skrll if (freq == 2484) 239 1.31.2.2 skrll return 14; 240 1.31.2.2 skrll if (freq < 2484) 241 1.31.2.2 skrll return (freq - 2407) / 5; 242 1.31.2.2 skrll if (freq < 5000) 243 1.31.2.2 skrll return 15 + ((freq - 2512) / 20); 244 1.31.2.2 skrll return (freq - 5000) / 5; 245 1.31.2.2 skrll } 246 1.31.2.2 skrll } 247 1.31.2.2 skrll 248 1.31.2.2 skrll /* 249 1.31.2.2 skrll * Convert channel to IEEE channel number. 250 1.31.2.2 skrll */ 251 1.31.2.2 skrll u_int 252 1.31.2.2 skrll ieee80211_chan2ieee(struct ieee80211com *ic, struct ieee80211_channel *c) 253 1.31.2.2 skrll { 254 1.31.2.2 skrll if (ic->ic_channels <= c && c <= &ic->ic_channels[IEEE80211_CHAN_MAX]) 255 1.31.2.2 skrll return c - ic->ic_channels; 256 1.31.2.2 skrll else if (c == IEEE80211_CHAN_ANYC) 257 1.31.2.2 skrll return IEEE80211_CHAN_ANY; 258 1.31.2.2 skrll else if (c != NULL) { 259 1.31.2.2 skrll if_printf(&ic->ic_if, "invalid channel freq %u flags %x\n", 260 1.31.2.2 skrll c->ic_freq, c->ic_flags); 261 1.31.2.2 skrll return 0; /* XXX */ 262 1.31.2.2 skrll } else { 263 1.31.2.2 skrll if_printf(&ic->ic_if, "invalid channel (NULL)\n"); 264 1.31.2.2 skrll return 0; /* XXX */ 265 1.31.2.2 skrll } 266 1.31.2.2 skrll } 267 1.31.2.2 skrll 268 1.31.2.2 skrll /* 269 1.31.2.2 skrll * Convert IEEE channel number to MHz frequency. 270 1.31.2.2 skrll */ 271 1.31.2.2 skrll u_int 272 1.31.2.2 skrll ieee80211_ieee2mhz(u_int chan, u_int flags) 273 1.31.2.2 skrll { 274 1.31.2.2 skrll if (flags & IEEE80211_CHAN_2GHZ) { /* 2GHz band */ 275 1.31.2.2 skrll if (chan == 14) 276 1.31.2.2 skrll return 2484; 277 1.31.2.2 skrll if (chan < 14) 278 1.31.2.2 skrll return 2407 + chan*5; 279 1.31.2.2 skrll else 280 1.31.2.2 skrll return 2512 + ((chan-15)*20); 281 1.31.2.2 skrll } else if (flags & IEEE80211_CHAN_5GHZ) {/* 5Ghz band */ 282 1.31.2.2 skrll return 5000 + (chan*5); 283 1.31.2.2 skrll } else { /* either, guess */ 284 1.31.2.2 skrll if (chan == 14) 285 1.31.2.2 skrll return 2484; 286 1.31.2.2 skrll if (chan < 14) /* 0-13 */ 287 1.31.2.2 skrll return 2407 + chan*5; 288 1.31.2.2 skrll if (chan < 27) /* 15-26 */ 289 1.31.2.2 skrll return 2512 + ((chan-15)*20); 290 1.31.2.2 skrll return 5000 + (chan*5); 291 1.31.2.2 skrll } 292 1.31.2.2 skrll } 293 1.31.2.2 skrll 294 1.31.2.2 skrll /* 295 1.31.2.2 skrll * Setup the media data structures according to the channel and 296 1.31.2.2 skrll * rate tables. This must be called by the driver after 297 1.31.2.2 skrll * ieee80211_attach and before most anything else. 298 1.31.2.2 skrll */ 299 1.31.2.2 skrll void 300 1.31.2.2 skrll ieee80211_media_init(struct ifnet *ifp, 301 1.31.2.2 skrll ifm_change_cb_t media_change, ifm_stat_cb_t media_stat) 302 1.31.2.2 skrll { 303 1.31.2.2 skrll #define ADD(_ic, _s, _o) \ 304 1.31.2.2 skrll ifmedia_add(&(_ic)->ic_media, \ 305 1.31.2.2 skrll IFM_MAKEWORD(IFM_IEEE80211, (_s), (_o), 0), 0, NULL) 306 1.31.2.2 skrll struct ieee80211com *ic = (void *)ifp; 307 1.31.2.2 skrll struct ifmediareq imr; 308 1.31.2.2 skrll int i, j, mode, rate, maxrate, mword, mopt, r; 309 1.31.2.2 skrll struct ieee80211_rateset *rs; 310 1.31.2.2 skrll struct ieee80211_rateset allrates; 311 1.31.2.2 skrll 312 1.31.2.2 skrll /* 313 1.31.2.2 skrll * Do late attach work that must wait for any subclass 314 1.31.2.2 skrll * (i.e. driver) work such as overriding methods. 315 1.31.2.2 skrll */ 316 1.31.2.2 skrll ieee80211_node_lateattach(ic); 317 1.31.2.2 skrll 318 1.31.2.2 skrll /* 319 1.31.2.2 skrll * Fill in media characteristics. 320 1.31.2.2 skrll */ 321 1.31.2.2 skrll ifmedia_init(&ic->ic_media, 0, media_change, media_stat); 322 1.31.2.2 skrll maxrate = 0; 323 1.31.2.2 skrll memset(&allrates, 0, sizeof(allrates)); 324 1.31.2.2 skrll for (mode = IEEE80211_MODE_AUTO; mode < IEEE80211_MODE_MAX; mode++) { 325 1.31.2.2 skrll static const u_int mopts[] = { 326 1.31.2.2 skrll IFM_AUTO, 327 1.31.2.2 skrll IFM_IEEE80211_11A, 328 1.31.2.2 skrll IFM_IEEE80211_11B, 329 1.31.2.2 skrll IFM_IEEE80211_11G, 330 1.31.2.2 skrll IFM_IEEE80211_FH, 331 1.31.2.2 skrll IFM_IEEE80211_11A | IFM_IEEE80211_TURBO, 332 1.31.2.2 skrll }; 333 1.31.2.2 skrll if ((ic->ic_modecaps & (1<<mode)) == 0) 334 1.31.2.2 skrll continue; 335 1.31.2.2 skrll mopt = mopts[mode]; 336 1.31.2.2 skrll ADD(ic, IFM_AUTO, mopt); /* e.g. 11a auto */ 337 1.31.2.2 skrll if (ic->ic_caps & IEEE80211_C_IBSS) 338 1.31.2.2 skrll ADD(ic, IFM_AUTO, mopt | IFM_IEEE80211_ADHOC); 339 1.31.2.2 skrll if (ic->ic_caps & IEEE80211_C_HOSTAP) 340 1.31.2.2 skrll ADD(ic, IFM_AUTO, mopt | IFM_IEEE80211_HOSTAP); 341 1.31.2.2 skrll if (ic->ic_caps & IEEE80211_C_AHDEMO) 342 1.31.2.2 skrll ADD(ic, IFM_AUTO, mopt | IFM_IEEE80211_ADHOC | IFM_FLAG0); 343 1.31.2.2 skrll if (ic->ic_caps & IEEE80211_C_MONITOR) 344 1.31.2.2 skrll ADD(ic, IFM_AUTO, mopt | IFM_IEEE80211_MONITOR); 345 1.31.2.2 skrll if (mode == IEEE80211_MODE_AUTO) 346 1.31.2.2 skrll continue; 347 1.31.2.2 skrll if_printf(ifp, "%s rates: ", ieee80211_phymode_name[mode]); 348 1.31.2.2 skrll rs = &ic->ic_sup_rates[mode]; 349 1.31.2.2 skrll for (i = 0; i < rs->rs_nrates; i++) { 350 1.31.2.2 skrll rate = rs->rs_rates[i]; 351 1.31.2.2 skrll mword = ieee80211_rate2media(ic, rate, mode); 352 1.31.2.2 skrll if (mword == 0) 353 1.31.2.2 skrll continue; 354 1.31.2.2 skrll printf("%s%d%sMbps", (i != 0 ? " " : ""), 355 1.31.2.2 skrll (rate & IEEE80211_RATE_VAL) / 2, 356 1.31.2.2 skrll ((rate & 0x1) != 0 ? ".5" : "")); 357 1.31.2.2 skrll ADD(ic, mword, mopt); 358 1.31.2.2 skrll if (ic->ic_caps & IEEE80211_C_IBSS) 359 1.31.2.2 skrll ADD(ic, mword, mopt | IFM_IEEE80211_ADHOC); 360 1.31.2.2 skrll if (ic->ic_caps & IEEE80211_C_HOSTAP) 361 1.31.2.2 skrll ADD(ic, mword, mopt | IFM_IEEE80211_HOSTAP); 362 1.31.2.2 skrll if (ic->ic_caps & IEEE80211_C_AHDEMO) 363 1.31.2.2 skrll ADD(ic, mword, mopt | IFM_IEEE80211_ADHOC | IFM_FLAG0); 364 1.31.2.2 skrll if (ic->ic_caps & IEEE80211_C_MONITOR) 365 1.31.2.2 skrll ADD(ic, mword, mopt | IFM_IEEE80211_MONITOR); 366 1.31.2.2 skrll /* 367 1.31.2.2 skrll * Add rate to the collection of all rates. 368 1.31.2.2 skrll */ 369 1.31.2.2 skrll r = rate & IEEE80211_RATE_VAL; 370 1.31.2.2 skrll for (j = 0; j < allrates.rs_nrates; j++) 371 1.31.2.2 skrll if (allrates.rs_rates[j] == r) 372 1.31.2.2 skrll break; 373 1.31.2.2 skrll if (j == allrates.rs_nrates) { 374 1.31.2.2 skrll /* unique, add to the set */ 375 1.31.2.2 skrll allrates.rs_rates[j] = r; 376 1.31.2.2 skrll allrates.rs_nrates++; 377 1.31.2.2 skrll } 378 1.31.2.2 skrll rate = (rate & IEEE80211_RATE_VAL) / 2; 379 1.31.2.2 skrll if (rate > maxrate) 380 1.31.2.2 skrll maxrate = rate; 381 1.31.2.2 skrll } 382 1.31.2.2 skrll printf("\n"); 383 1.31.2.2 skrll } 384 1.31.2.2 skrll for (i = 0; i < allrates.rs_nrates; i++) { 385 1.31.2.2 skrll mword = ieee80211_rate2media(ic, allrates.rs_rates[i], 386 1.31.2.2 skrll IEEE80211_MODE_AUTO); 387 1.31.2.2 skrll if (mword == 0) 388 1.31.2.2 skrll continue; 389 1.31.2.2 skrll mword = IFM_SUBTYPE(mword); /* remove media options */ 390 1.31.2.2 skrll ADD(ic, mword, 0); 391 1.31.2.2 skrll if (ic->ic_caps & IEEE80211_C_IBSS) 392 1.31.2.2 skrll ADD(ic, mword, IFM_IEEE80211_ADHOC); 393 1.31.2.2 skrll if (ic->ic_caps & IEEE80211_C_HOSTAP) 394 1.31.2.2 skrll ADD(ic, mword, IFM_IEEE80211_HOSTAP); 395 1.31.2.2 skrll if (ic->ic_caps & IEEE80211_C_AHDEMO) 396 1.31.2.2 skrll ADD(ic, mword, IFM_IEEE80211_ADHOC | IFM_FLAG0); 397 1.31.2.2 skrll if (ic->ic_caps & IEEE80211_C_MONITOR) 398 1.31.2.2 skrll ADD(ic, mword, IFM_IEEE80211_MONITOR); 399 1.31.2.2 skrll } 400 1.31.2.2 skrll ieee80211_media_status(ifp, &imr); 401 1.31.2.2 skrll ifmedia_set(&ic->ic_media, imr.ifm_active); 402 1.31.2.2 skrll #ifndef __linux__ 403 1.31.2.2 skrll if (maxrate) 404 1.31.2.2 skrll ifp->if_baudrate = IF_Mbps(maxrate); 405 1.31.2.2 skrll #endif 406 1.31.2.2 skrll #undef ADD 407 1.31.2.2 skrll } 408 1.31.2.2 skrll 409 1.31.2.2 skrll static int 410 1.31.2.2 skrll findrate(struct ieee80211com *ic, enum ieee80211_phymode mode, int rate) 411 1.31.2.2 skrll { 412 1.31.2.2 skrll #define IEEERATE(_ic,_m,_i) \ 413 1.31.2.2 skrll ((_ic)->ic_sup_rates[_m].rs_rates[_i] & IEEE80211_RATE_VAL) 414 1.31.2.2 skrll int i, nrates = ic->ic_sup_rates[mode].rs_nrates; 415 1.31.2.2 skrll for (i = 0; i < nrates; i++) 416 1.31.2.2 skrll if (IEEERATE(ic, mode, i) == rate) 417 1.31.2.2 skrll return i; 418 1.31.2.2 skrll return -1; 419 1.31.2.2 skrll #undef IEEERATE 420 1.31.2.2 skrll } 421 1.31.2.2 skrll 422 1.31.2.2 skrll /* 423 1.31.2.2 skrll * Handle a media change request. 424 1.31.2.2 skrll */ 425 1.31.2.2 skrll int 426 1.31.2.2 skrll ieee80211_media_change(struct ifnet *ifp) 427 1.31.2.2 skrll { 428 1.31.2.2 skrll struct ieee80211com *ic = (void *)ifp; 429 1.31.2.2 skrll struct ifmedia_entry *ime; 430 1.31.2.2 skrll enum ieee80211_opmode newopmode; 431 1.31.2.2 skrll enum ieee80211_phymode newphymode; 432 1.31.2.2 skrll int i, j, newrate, error = 0; 433 1.31.2.2 skrll 434 1.31.2.2 skrll ime = ic->ic_media.ifm_cur; 435 1.31.2.2 skrll /* 436 1.31.2.2 skrll * First, identify the phy mode. 437 1.31.2.2 skrll */ 438 1.31.2.2 skrll switch (IFM_MODE(ime->ifm_media)) { 439 1.31.2.2 skrll case IFM_IEEE80211_11A: 440 1.31.2.2 skrll newphymode = IEEE80211_MODE_11A; 441 1.31.2.2 skrll break; 442 1.31.2.2 skrll case IFM_IEEE80211_11B: 443 1.31.2.2 skrll newphymode = IEEE80211_MODE_11B; 444 1.31.2.2 skrll break; 445 1.31.2.2 skrll case IFM_IEEE80211_11G: 446 1.31.2.2 skrll newphymode = IEEE80211_MODE_11G; 447 1.31.2.2 skrll break; 448 1.31.2.2 skrll case IFM_IEEE80211_FH: 449 1.31.2.2 skrll newphymode = IEEE80211_MODE_FH; 450 1.31.2.2 skrll break; 451 1.31.2.2 skrll case IFM_AUTO: 452 1.31.2.2 skrll newphymode = IEEE80211_MODE_AUTO; 453 1.31.2.2 skrll break; 454 1.31.2.2 skrll default: 455 1.31.2.2 skrll return EINVAL; 456 1.31.2.2 skrll } 457 1.31.2.2 skrll /* 458 1.31.2.2 skrll * Turbo mode is an ``option''. Eventually it 459 1.31.2.2 skrll * needs to be applied to 11g too. 460 1.31.2.2 skrll */ 461 1.31.2.2 skrll if (ime->ifm_media & IFM_IEEE80211_TURBO) { 462 1.31.2.2 skrll if (newphymode != IEEE80211_MODE_11A) 463 1.31.2.2 skrll return EINVAL; 464 1.31.2.2 skrll newphymode = IEEE80211_MODE_TURBO; 465 1.31.2.2 skrll } 466 1.31.2.2 skrll /* 467 1.31.2.2 skrll * Validate requested mode is available. 468 1.31.2.2 skrll */ 469 1.31.2.2 skrll if ((ic->ic_modecaps & (1<<newphymode)) == 0) 470 1.31.2.2 skrll return EINVAL; 471 1.31.2.2 skrll 472 1.31.2.2 skrll /* 473 1.31.2.2 skrll * Next, the fixed/variable rate. 474 1.31.2.2 skrll */ 475 1.31.2.2 skrll i = -1; 476 1.31.2.2 skrll if (IFM_SUBTYPE(ime->ifm_media) != IFM_AUTO) { 477 1.31.2.2 skrll /* 478 1.31.2.2 skrll * Convert media subtype to rate. 479 1.31.2.2 skrll */ 480 1.31.2.2 skrll newrate = ieee80211_media2rate(ime->ifm_media); 481 1.31.2.2 skrll if (newrate == 0) 482 1.31.2.2 skrll return EINVAL; 483 1.31.2.2 skrll /* 484 1.31.2.2 skrll * Check the rate table for the specified/current phy. 485 1.31.2.2 skrll */ 486 1.31.2.2 skrll if (newphymode == IEEE80211_MODE_AUTO) { 487 1.31.2.2 skrll /* 488 1.31.2.2 skrll * In autoselect mode search for the rate. 489 1.31.2.2 skrll */ 490 1.31.2.2 skrll for (j = IEEE80211_MODE_11A; 491 1.31.2.2 skrll j < IEEE80211_MODE_MAX; j++) { 492 1.31.2.2 skrll if ((ic->ic_modecaps & (1<<j)) == 0) 493 1.31.2.2 skrll continue; 494 1.31.2.2 skrll i = findrate(ic, j, newrate); 495 1.31.2.2 skrll if (i != -1) { 496 1.31.2.2 skrll /* lock mode too */ 497 1.31.2.2 skrll newphymode = j; 498 1.31.2.2 skrll break; 499 1.31.2.2 skrll } 500 1.31.2.2 skrll } 501 1.31.2.2 skrll } else { 502 1.31.2.2 skrll i = findrate(ic, newphymode, newrate); 503 1.31.2.2 skrll } 504 1.31.2.2 skrll if (i == -1) /* mode/rate mismatch */ 505 1.31.2.2 skrll return EINVAL; 506 1.31.2.2 skrll } 507 1.31.2.2 skrll /* NB: defer rate setting to later */ 508 1.31.2.2 skrll 509 1.31.2.2 skrll /* 510 1.31.2.2 skrll * Deduce new operating mode but don't install it just yet. 511 1.31.2.2 skrll */ 512 1.31.2.2 skrll if ((ime->ifm_media & (IFM_IEEE80211_ADHOC|IFM_FLAG0)) == 513 1.31.2.2 skrll (IFM_IEEE80211_ADHOC|IFM_FLAG0)) 514 1.31.2.2 skrll newopmode = IEEE80211_M_AHDEMO; 515 1.31.2.2 skrll else if (ime->ifm_media & IFM_IEEE80211_HOSTAP) 516 1.31.2.2 skrll newopmode = IEEE80211_M_HOSTAP; 517 1.31.2.2 skrll else if (ime->ifm_media & IFM_IEEE80211_ADHOC) 518 1.31.2.2 skrll newopmode = IEEE80211_M_IBSS; 519 1.31.2.2 skrll else if (ime->ifm_media & IFM_IEEE80211_MONITOR) 520 1.31.2.2 skrll newopmode = IEEE80211_M_MONITOR; 521 1.31.2.2 skrll else 522 1.31.2.2 skrll newopmode = IEEE80211_M_STA; 523 1.31.2.2 skrll 524 1.31.2.2 skrll /* 525 1.31.2.2 skrll * Autoselect doesn't make sense when operating as an AP. 526 1.31.2.2 skrll * If no phy mode has been selected, pick one and lock it 527 1.31.2.2 skrll * down so rate tables can be used in forming beacon frames 528 1.31.2.2 skrll * and the like. 529 1.31.2.2 skrll */ 530 1.31.2.2 skrll if (newopmode == IEEE80211_M_HOSTAP && 531 1.31.2.2 skrll newphymode == IEEE80211_MODE_AUTO) { 532 1.31.2.2 skrll for (j = IEEE80211_MODE_11A; j < IEEE80211_MODE_MAX; j++) 533 1.31.2.2 skrll if (ic->ic_modecaps & (1<<j)) { 534 1.31.2.2 skrll newphymode = j; 535 1.31.2.2 skrll break; 536 1.31.2.2 skrll } 537 1.31.2.2 skrll } 538 1.31.2.2 skrll 539 1.31.2.2 skrll /* 540 1.31.2.2 skrll * Handle phy mode change. 541 1.31.2.2 skrll */ 542 1.31.2.2 skrll if (ic->ic_curmode != newphymode) { /* change phy mode */ 543 1.31.2.2 skrll error = ieee80211_setmode(ic, newphymode); 544 1.31.2.2 skrll if (error != 0) 545 1.31.2.2 skrll return error; 546 1.31.2.2 skrll error = ENETRESET; 547 1.31.2.2 skrll } 548 1.31.2.2 skrll 549 1.31.2.2 skrll /* 550 1.31.2.2 skrll * Committed to changes, install the rate setting. 551 1.31.2.2 skrll */ 552 1.31.2.2 skrll if (ic->ic_fixed_rate != i) { 553 1.31.2.2 skrll ic->ic_fixed_rate = i; /* set fixed tx rate */ 554 1.31.2.2 skrll error = ENETRESET; 555 1.31.2.2 skrll } 556 1.31.2.2 skrll 557 1.31.2.2 skrll /* 558 1.31.2.2 skrll * Handle operating mode change. 559 1.31.2.2 skrll */ 560 1.31.2.2 skrll if (ic->ic_opmode != newopmode) { 561 1.31.2.2 skrll ic->ic_opmode = newopmode; 562 1.31.2.2 skrll switch (newopmode) { 563 1.31.2.2 skrll case IEEE80211_M_AHDEMO: 564 1.31.2.2 skrll case IEEE80211_M_HOSTAP: 565 1.31.2.2 skrll case IEEE80211_M_STA: 566 1.31.2.2 skrll case IEEE80211_M_MONITOR: 567 1.31.2.2 skrll ic->ic_flags &= ~IEEE80211_F_IBSSON; 568 1.31.2.2 skrll break; 569 1.31.2.2 skrll case IEEE80211_M_IBSS: 570 1.31.2.2 skrll ic->ic_flags |= IEEE80211_F_IBSSON; 571 1.31.2.2 skrll break; 572 1.31.2.2 skrll } 573 1.31.2.2 skrll error = ENETRESET; 574 1.31.2.2 skrll } 575 1.31.2.2 skrll #ifdef notdef 576 1.31.2.2 skrll if (error == 0) 577 1.31.2.2 skrll ifp->if_baudrate = ifmedia_baudrate(ime->ifm_media); 578 1.31.2.2 skrll #endif 579 1.31.2.2 skrll return error; 580 1.31.2.2 skrll } 581 1.31.2.2 skrll 582 1.31.2.2 skrll void 583 1.31.2.2 skrll ieee80211_media_status(struct ifnet *ifp, struct ifmediareq *imr) 584 1.31.2.2 skrll { 585 1.31.2.2 skrll struct ieee80211com *ic = (void *)ifp; 586 1.31.2.2 skrll struct ieee80211_node *ni = NULL; 587 1.31.2.2 skrll 588 1.31.2.2 skrll imr->ifm_status = IFM_AVALID; 589 1.31.2.2 skrll imr->ifm_active = IFM_IEEE80211; 590 1.31.2.2 skrll if (ic->ic_state == IEEE80211_S_RUN) 591 1.31.2.2 skrll imr->ifm_status |= IFM_ACTIVE; 592 1.31.2.2 skrll imr->ifm_active |= IFM_AUTO; 593 1.31.2.2 skrll switch (ic->ic_opmode) { 594 1.31.2.2 skrll case IEEE80211_M_STA: 595 1.31.2.2 skrll ni = ic->ic_bss; 596 1.31.2.2 skrll /* calculate rate subtype */ 597 1.31.2.2 skrll imr->ifm_active |= ieee80211_rate2media(ic, 598 1.31.2.2 skrll ni->ni_rates.rs_rates[ni->ni_txrate], ic->ic_curmode); 599 1.31.2.2 skrll break; 600 1.31.2.2 skrll case IEEE80211_M_IBSS: 601 1.31.2.2 skrll imr->ifm_active |= IFM_IEEE80211_ADHOC; 602 1.31.2.2 skrll break; 603 1.31.2.2 skrll case IEEE80211_M_AHDEMO: 604 1.31.2.2 skrll /* should not come here */ 605 1.31.2.2 skrll break; 606 1.31.2.2 skrll case IEEE80211_M_HOSTAP: 607 1.31.2.2 skrll imr->ifm_active |= IFM_IEEE80211_HOSTAP; 608 1.31.2.2 skrll break; 609 1.31.2.2 skrll case IEEE80211_M_MONITOR: 610 1.31.2.2 skrll imr->ifm_active |= IFM_IEEE80211_MONITOR; 611 1.31.2.2 skrll break; 612 1.31.2.2 skrll } 613 1.31.2.2 skrll switch (ic->ic_curmode) { 614 1.31.2.2 skrll case IEEE80211_MODE_11A: 615 1.31.2.2 skrll imr->ifm_active |= IFM_IEEE80211_11A; 616 1.31.2.2 skrll break; 617 1.31.2.2 skrll case IEEE80211_MODE_11B: 618 1.31.2.2 skrll imr->ifm_active |= IFM_IEEE80211_11B; 619 1.31.2.2 skrll break; 620 1.31.2.2 skrll case IEEE80211_MODE_11G: 621 1.31.2.2 skrll imr->ifm_active |= IFM_IEEE80211_11G; 622 1.31.2.2 skrll break; 623 1.31.2.2 skrll case IEEE80211_MODE_FH: 624 1.31.2.2 skrll imr->ifm_active |= IFM_IEEE80211_FH; 625 1.31.2.2 skrll break; 626 1.31.2.2 skrll case IEEE80211_MODE_TURBO: 627 1.31.2.2 skrll imr->ifm_active |= IFM_IEEE80211_11A 628 1.31.2.2 skrll | IFM_IEEE80211_TURBO; 629 1.31.2.2 skrll break; 630 1.31.2.2 skrll } 631 1.31.2.2 skrll } 632 1.31.2.2 skrll 633 1.31.2.2 skrll void 634 1.31.2.2 skrll ieee80211_watchdog(struct ifnet *ifp) 635 1.31.2.2 skrll { 636 1.31.2.2 skrll struct ieee80211com *ic = (void *)ifp; 637 1.31.2.2 skrll 638 1.31.2.2 skrll if (ic->ic_mgt_timer && --ic->ic_mgt_timer == 0) 639 1.31.2.2 skrll ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 640 1.31.2.2 skrll if (ic->ic_inact_timer && --ic->ic_inact_timer == 0) 641 1.31.2.2 skrll ieee80211_timeout_nodes(ic); 642 1.31.2.2 skrll 643 1.31.2.2 skrll if (ic->ic_mgt_timer != 0 || ic->ic_inact_timer != 0) 644 1.31.2.2 skrll ifp->if_timer = 1; 645 1.31.2.2 skrll } 646 1.31.2.2 skrll 647 1.31.2.2 skrll /* 648 1.31.2.2 skrll * Mark the basic rates for the 11g rate table based on the 649 1.31.2.2 skrll * operating mode. For real 11g we mark all the 11b rates 650 1.31.2.2 skrll * and 6, 12, and 24 OFDM. For 11b compatibility we mark only 651 1.31.2.2 skrll * 11b rates. There's also a pseudo 11a-mode used to mark only 652 1.31.2.2 skrll * the basic OFDM rates. 653 1.31.2.2 skrll */ 654 1.31.2.2 skrll static void 655 1.31.2.2 skrll ieee80211_setbasicrates(struct ieee80211com *ic) 656 1.31.2.2 skrll { 657 1.31.2.2 skrll static const struct ieee80211_rateset basic[] = { 658 1.31.2.2 skrll { 0 }, /* IEEE80211_MODE_AUTO */ 659 1.31.2.2 skrll { 3, { 12, 24, 48 } }, /* IEEE80211_MODE_11A */ 660 1.31.2.2 skrll { 2, { 2, 4 } }, /* IEEE80211_MODE_11B */ 661 1.31.2.2 skrll { 4, { 2, 4, 11, 22 } }, /* IEEE80211_MODE_11G */ 662 1.31.2.2 skrll { 2, { 2, 4 } }, /* IEEE80211_MODE_FH */ 663 1.31.2.2 skrll { 0 }, /* IEEE80211_MODE_TURBO */ 664 1.31.2.2 skrll }; 665 1.31.2.2 skrll enum ieee80211_phymode mode; 666 1.31.2.2 skrll struct ieee80211_rateset *rs; 667 1.31.2.2 skrll int i, j; 668 1.31.2.2 skrll 669 1.31.2.2 skrll for (mode = 0; mode < IEEE80211_MODE_MAX; mode++) { 670 1.31.2.2 skrll rs = &ic->ic_sup_rates[mode]; 671 1.31.2.2 skrll for (i = 0; i < rs->rs_nrates; i++) { 672 1.31.2.2 skrll rs->rs_rates[i] &= IEEE80211_RATE_VAL; 673 1.31.2.2 skrll for (j = 0; j < basic[mode].rs_nrates; j++) 674 1.31.2.2 skrll if (basic[mode].rs_rates[j] == rs->rs_rates[i]) { 675 1.31.2.2 skrll rs->rs_rates[i] |= IEEE80211_RATE_BASIC; 676 1.31.2.2 skrll break; 677 1.31.2.2 skrll } 678 1.31.2.2 skrll } 679 1.31.2.2 skrll } 680 1.31.2.2 skrll } 681 1.31.2.2 skrll 682 1.31.2.2 skrll /* 683 1.31.2.2 skrll * Set the current phy mode and recalculate the active channel 684 1.31.2.2 skrll * set based on the available channels for this mode. Also 685 1.31.2.2 skrll * select a new default/current channel if the current one is 686 1.31.2.2 skrll * inappropriate for this mode. 687 1.31.2.2 skrll */ 688 1.31.2.2 skrll int 689 1.31.2.2 skrll ieee80211_setmode(struct ieee80211com *ic, enum ieee80211_phymode mode) 690 1.31.2.2 skrll { 691 1.31.2.2 skrll #define N(a) (sizeof(a) / sizeof(a[0])) 692 1.31.2.2 skrll static const u_int chanflags[] = { 693 1.31.2.2 skrll 0, /* IEEE80211_MODE_AUTO */ 694 1.31.2.2 skrll IEEE80211_CHAN_A, /* IEEE80211_MODE_11A */ 695 1.31.2.2 skrll IEEE80211_CHAN_B, /* IEEE80211_MODE_11B */ 696 1.31.2.2 skrll IEEE80211_CHAN_PUREG, /* IEEE80211_MODE_11G */ 697 1.31.2.2 skrll IEEE80211_CHAN_FHSS, /* IEEE80211_MODE_FH */ 698 1.31.2.2 skrll IEEE80211_CHAN_T, /* IEEE80211_MODE_TURBO */ 699 1.31.2.2 skrll }; 700 1.31.2.2 skrll struct ieee80211_channel *c; 701 1.31.2.2 skrll u_int modeflags; 702 1.31.2.2 skrll int i; 703 1.31.2.2 skrll 704 1.31.2.2 skrll /* validate new mode */ 705 1.31.2.2 skrll if ((ic->ic_modecaps & (1<<mode)) == 0) { 706 1.31.2.2 skrll IEEE80211_DPRINTF(ic, IEEE80211_MSG_ANY, 707 1.31.2.2 skrll ("%s: mode %u not supported (caps 0x%x)\n", 708 1.31.2.2 skrll __func__, mode, ic->ic_modecaps)); 709 1.31.2.2 skrll return EINVAL; 710 1.31.2.2 skrll } 711 1.31.2.2 skrll 712 1.31.2.2 skrll /* 713 1.31.2.2 skrll * Verify at least one channel is present in the available 714 1.31.2.2 skrll * channel list before committing to the new mode. 715 1.31.2.2 skrll */ 716 1.31.2.2 skrll IASSERT(mode < N(chanflags), ("Unexpected mode %u", mode)); 717 1.31.2.2 skrll modeflags = chanflags[mode]; 718 1.31.2.2 skrll for (i = 0; i <= IEEE80211_CHAN_MAX; i++) { 719 1.31.2.2 skrll c = &ic->ic_channels[i]; 720 1.31.2.2 skrll if (mode == IEEE80211_MODE_AUTO) { 721 1.31.2.2 skrll /* ignore turbo channels for autoselect */ 722 1.31.2.2 skrll if ((c->ic_flags &~ IEEE80211_CHAN_TURBO) != 0) 723 1.31.2.2 skrll break; 724 1.31.2.2 skrll } else { 725 1.31.2.2 skrll if ((c->ic_flags & modeflags) == modeflags) 726 1.31.2.2 skrll break; 727 1.31.2.2 skrll } 728 1.31.2.2 skrll } 729 1.31.2.2 skrll if (i > IEEE80211_CHAN_MAX) { 730 1.31.2.2 skrll IEEE80211_DPRINTF(ic, IEEE80211_MSG_ANY, 731 1.31.2.2 skrll ("%s: no channels found for mode %u\n", __func__, mode)); 732 1.31.2.2 skrll return EINVAL; 733 1.31.2.2 skrll } 734 1.31.2.2 skrll 735 1.31.2.2 skrll /* 736 1.31.2.2 skrll * Calculate the active channel set. 737 1.31.2.2 skrll */ 738 1.31.2.2 skrll memset(ic->ic_chan_active, 0, sizeof(ic->ic_chan_active)); 739 1.31.2.2 skrll for (i = 0; i <= IEEE80211_CHAN_MAX; i++) { 740 1.31.2.2 skrll c = &ic->ic_channels[i]; 741 1.31.2.2 skrll if (mode == IEEE80211_MODE_AUTO) { 742 1.31.2.2 skrll /* take anything but pure turbo channels */ 743 1.31.2.2 skrll if ((c->ic_flags &~ IEEE80211_CHAN_TURBO) != 0) 744 1.31.2.2 skrll setbit(ic->ic_chan_active, i); 745 1.31.2.2 skrll } else { 746 1.31.2.2 skrll if ((c->ic_flags & modeflags) == modeflags) 747 1.31.2.2 skrll setbit(ic->ic_chan_active, i); 748 1.31.2.2 skrll } 749 1.31.2.2 skrll } 750 1.31.2.2 skrll /* 751 1.31.2.2 skrll * If no current/default channel is setup or the current 752 1.31.2.2 skrll * channel is wrong for the mode then pick the first 753 1.31.2.2 skrll * available channel from the active list. This is likely 754 1.31.2.2 skrll * not the right one. 755 1.31.2.2 skrll */ 756 1.31.2.2 skrll if (ic->ic_ibss_chan == NULL || 757 1.31.2.2 skrll isclr(ic->ic_chan_active, ieee80211_chan2ieee(ic, ic->ic_ibss_chan))) { 758 1.31.2.2 skrll for (i = 0; i <= IEEE80211_CHAN_MAX; i++) 759 1.31.2.2 skrll if (isset(ic->ic_chan_active, i)) { 760 1.31.2.2 skrll ic->ic_ibss_chan = &ic->ic_channels[i]; 761 1.31.2.2 skrll break; 762 1.31.2.2 skrll } 763 1.31.2.2 skrll IASSERT(ic->ic_ibss_chan != NULL && 764 1.31.2.2 skrll isset(ic->ic_chan_active, 765 1.31.2.2 skrll ieee80211_chan2ieee(ic, ic->ic_ibss_chan)), 766 1.31.2.2 skrll ("Bad IBSS channel %u", 767 1.31.2.2 skrll ieee80211_chan2ieee(ic, ic->ic_ibss_chan))); 768 1.31.2.2 skrll } 769 1.31.2.2 skrll 770 1.31.2.2 skrll /* 771 1.31.2.2 skrll * Set/reset state flags that influence beacon contents, etc. 772 1.31.2.2 skrll * 773 1.31.2.2 skrll * XXX what if we have stations already associated??? 774 1.31.2.2 skrll * XXX probably not right for autoselect? 775 1.31.2.2 skrll * 776 1.31.2.2 skrll * Short preamble is not interoperable with legacy .11b 777 1.31.2.2 skrll * equipment, so it should not be the default for b or 778 1.31.2.2 skrll * mixed b/g networks. -dcy 779 1.31.2.2 skrll */ 780 1.31.2.2 skrll #if 0 781 1.31.2.2 skrll if (ic->ic_caps & IEEE80211_C_SHPREAMBLE) 782 1.31.2.2 skrll ic->ic_flags |= IEEE80211_F_SHPREAMBLE; 783 1.31.2.2 skrll #endif 784 1.31.2.2 skrll if (mode == IEEE80211_MODE_11G) { 785 1.31.2.2 skrll if (ic->ic_caps & IEEE80211_C_SHSLOT) 786 1.31.2.2 skrll ic->ic_flags |= IEEE80211_F_SHSLOT; 787 1.31.2.2 skrll } else 788 1.31.2.2 skrll ic->ic_flags &= ~IEEE80211_F_SHSLOT; 789 1.31.2.2 skrll 790 1.31.2.2 skrll ic->ic_curmode = mode; 791 1.31.2.2 skrll return 0; 792 1.31.2.2 skrll #undef N 793 1.31.2.2 skrll } 794 1.31.2.2 skrll 795 1.31.2.2 skrll /* 796 1.31.2.2 skrll * Return the phy mode for with the specified channel so the 797 1.31.2.2 skrll * caller can select a rate set. This is problematic and the 798 1.31.2.2 skrll * work here assumes how things work elsewhere in this code. 799 1.31.2.2 skrll * 800 1.31.2.2 skrll * XXX never returns turbo modes -dcy 801 1.31.2.2 skrll */ 802 1.31.2.2 skrll enum ieee80211_phymode 803 1.31.2.2 skrll ieee80211_chan2mode(struct ieee80211com *ic, struct ieee80211_channel *chan) 804 1.31.2.2 skrll { 805 1.31.2.2 skrll /* 806 1.31.2.2 skrll * NB: this assumes the channel would not be supplied to us 807 1.31.2.2 skrll * unless it was already compatible with the current mode. 808 1.31.2.2 skrll */ 809 1.31.2.2 skrll if (ic->ic_curmode != IEEE80211_MODE_AUTO || 810 1.31.2.2 skrll chan == IEEE80211_CHAN_ANYC) 811 1.31.2.2 skrll return ic->ic_curmode; 812 1.31.2.2 skrll /* 813 1.31.2.2 skrll * In autoselect mode; deduce a mode based on the channel 814 1.31.2.2 skrll * characteristics. We assume that turbo-only channels 815 1.31.2.2 skrll * are not considered when the channel set is constructed. 816 1.31.2.2 skrll */ 817 1.31.2.2 skrll if (IEEE80211_IS_CHAN_5GHZ(chan)) 818 1.31.2.2 skrll return IEEE80211_MODE_11A; 819 1.31.2.2 skrll else if (IEEE80211_IS_CHAN_FHSS(chan)) 820 1.31.2.2 skrll return IEEE80211_MODE_FH; 821 1.31.2.2 skrll else if (chan->ic_flags & (IEEE80211_CHAN_OFDM|IEEE80211_CHAN_DYN)) 822 1.31.2.2 skrll return IEEE80211_MODE_11G; 823 1.31.2.2 skrll else 824 1.31.2.2 skrll return IEEE80211_MODE_11B; 825 1.31.2.2 skrll } 826 1.31.2.2 skrll 827 1.31.2.2 skrll /* 828 1.31.2.2 skrll * convert IEEE80211 rate value to ifmedia subtype. 829 1.31.2.2 skrll * ieee80211 rate is in unit of 0.5Mbps. 830 1.31.2.2 skrll */ 831 1.31.2.2 skrll int 832 1.31.2.2 skrll ieee80211_rate2media(struct ieee80211com *ic, int rate, enum ieee80211_phymode mode) 833 1.31.2.2 skrll { 834 1.31.2.2 skrll #define N(a) (sizeof(a) / sizeof(a[0])) 835 1.31.2.2 skrll static const struct { 836 1.31.2.2 skrll u_int m; /* rate + mode */ 837 1.31.2.2 skrll u_int r; /* if_media rate */ 838 1.31.2.2 skrll } rates[] = { 839 1.31.2.2 skrll { 2 | IFM_IEEE80211_FH, IFM_IEEE80211_FH1 }, 840 1.31.2.2 skrll { 4 | IFM_IEEE80211_FH, IFM_IEEE80211_FH2 }, 841 1.31.2.2 skrll { 2 | IFM_IEEE80211_11B, IFM_IEEE80211_DS1 }, 842 1.31.2.2 skrll { 4 | IFM_IEEE80211_11B, IFM_IEEE80211_DS2 }, 843 1.31.2.2 skrll { 11 | IFM_IEEE80211_11B, IFM_IEEE80211_DS5 }, 844 1.31.2.2 skrll { 22 | IFM_IEEE80211_11B, IFM_IEEE80211_DS11 }, 845 1.31.2.2 skrll { 44 | IFM_IEEE80211_11B, IFM_IEEE80211_DS22 }, 846 1.31.2.2 skrll { 12 | IFM_IEEE80211_11A, IFM_IEEE80211_OFDM6 }, 847 1.31.2.2 skrll { 18 | IFM_IEEE80211_11A, IFM_IEEE80211_OFDM9 }, 848 1.31.2.2 skrll { 24 | IFM_IEEE80211_11A, IFM_IEEE80211_OFDM12 }, 849 1.31.2.2 skrll { 36 | IFM_IEEE80211_11A, IFM_IEEE80211_OFDM18 }, 850 1.31.2.2 skrll { 48 | IFM_IEEE80211_11A, IFM_IEEE80211_OFDM24 }, 851 1.31.2.2 skrll { 72 | IFM_IEEE80211_11A, IFM_IEEE80211_OFDM36 }, 852 1.31.2.2 skrll { 96 | IFM_IEEE80211_11A, IFM_IEEE80211_OFDM48 }, 853 1.31.2.2 skrll { 108 | IFM_IEEE80211_11A, IFM_IEEE80211_OFDM54 }, 854 1.31.2.2 skrll { 2 | IFM_IEEE80211_11G, IFM_IEEE80211_DS1 }, 855 1.31.2.2 skrll { 4 | IFM_IEEE80211_11G, IFM_IEEE80211_DS2 }, 856 1.31.2.2 skrll { 11 | IFM_IEEE80211_11G, IFM_IEEE80211_DS5 }, 857 1.31.2.2 skrll { 22 | IFM_IEEE80211_11G, IFM_IEEE80211_DS11 }, 858 1.31.2.2 skrll { 12 | IFM_IEEE80211_11G, IFM_IEEE80211_OFDM6 }, 859 1.31.2.2 skrll { 18 | IFM_IEEE80211_11G, IFM_IEEE80211_OFDM9 }, 860 1.31.2.2 skrll { 24 | IFM_IEEE80211_11G, IFM_IEEE80211_OFDM12 }, 861 1.31.2.2 skrll { 36 | IFM_IEEE80211_11G, IFM_IEEE80211_OFDM18 }, 862 1.31.2.2 skrll { 48 | IFM_IEEE80211_11G, IFM_IEEE80211_OFDM24 }, 863 1.31.2.2 skrll { 72 | IFM_IEEE80211_11G, IFM_IEEE80211_OFDM36 }, 864 1.31.2.2 skrll { 96 | IFM_IEEE80211_11G, IFM_IEEE80211_OFDM48 }, 865 1.31.2.2 skrll { 108 | IFM_IEEE80211_11G, IFM_IEEE80211_OFDM54 }, 866 1.31.2.2 skrll /* NB: OFDM72 doesn't realy exist so we don't handle it */ 867 1.31.2.2 skrll }; 868 1.31.2.2 skrll u_int mask, i; 869 1.31.2.2 skrll 870 1.31.2.2 skrll mask = rate & IEEE80211_RATE_VAL; 871 1.31.2.2 skrll switch (mode) { 872 1.31.2.2 skrll case IEEE80211_MODE_11A: 873 1.31.2.2 skrll case IEEE80211_MODE_TURBO: 874 1.31.2.2 skrll mask |= IFM_IEEE80211_11A; 875 1.31.2.2 skrll break; 876 1.31.2.2 skrll case IEEE80211_MODE_11B: 877 1.31.2.2 skrll mask |= IFM_IEEE80211_11B; 878 1.31.2.2 skrll break; 879 1.31.2.2 skrll case IEEE80211_MODE_FH: 880 1.31.2.2 skrll mask |= IFM_IEEE80211_FH; 881 1.31.2.2 skrll break; 882 1.31.2.2 skrll case IEEE80211_MODE_AUTO: 883 1.31.2.2 skrll /* NB: ic may be NULL for some drivers */ 884 1.31.2.2 skrll if (ic && ic->ic_phytype == IEEE80211_T_FH) { 885 1.31.2.2 skrll mask |= IFM_IEEE80211_FH; 886 1.31.2.2 skrll break; 887 1.31.2.2 skrll } 888 1.31.2.2 skrll /* NB: hack, 11g matches both 11b+11a rates */ 889 1.31.2.2 skrll /* fall thru... */ 890 1.31.2.2 skrll case IEEE80211_MODE_11G: 891 1.31.2.2 skrll mask |= IFM_IEEE80211_11G; 892 1.31.2.2 skrll break; 893 1.31.2.2 skrll } 894 1.31.2.2 skrll for (i = 0; i < N(rates); i++) 895 1.31.2.2 skrll if (rates[i].m == mask) 896 1.31.2.2 skrll return rates[i].r; 897 1.31.2.2 skrll return IFM_AUTO; 898 1.31.2.2 skrll #undef N 899 1.31.2.2 skrll } 900 1.31.2.2 skrll 901 1.31.2.2 skrll int 902 1.31.2.2 skrll ieee80211_media2rate(int mword) 903 1.31.2.2 skrll { 904 1.31.2.2 skrll #define N(a) (sizeof(a) / sizeof(a[0])) 905 1.31.2.2 skrll static const int ieeerates[] = { 906 1.31.2.2 skrll -1, /* IFM_AUTO */ 907 1.31.2.2 skrll 0, /* IFM_MANUAL */ 908 1.31.2.2 skrll 0, /* IFM_NONE */ 909 1.31.2.2 skrll 2, /* IFM_IEEE80211_FH1 */ 910 1.31.2.2 skrll 4, /* IFM_IEEE80211_FH2 */ 911 1.31.2.2 skrll 4, /* IFM_IEEE80211_DS2 */ 912 1.31.2.2 skrll 11, /* IFM_IEEE80211_DS5 */ 913 1.31.2.2 skrll 22, /* IFM_IEEE80211_DS11 */ 914 1.31.2.2 skrll 2, /* IFM_IEEE80211_DS1 */ 915 1.31.2.2 skrll 44, /* IFM_IEEE80211_DS22 */ 916 1.31.2.2 skrll 12, /* IFM_IEEE80211_OFDM6 */ 917 1.31.2.2 skrll 18, /* IFM_IEEE80211_OFDM9 */ 918 1.31.2.2 skrll 24, /* IFM_IEEE80211_OFDM12 */ 919 1.31.2.2 skrll 36, /* IFM_IEEE80211_OFDM18 */ 920 1.31.2.2 skrll 48, /* IFM_IEEE80211_OFDM24 */ 921 1.31.2.2 skrll 72, /* IFM_IEEE80211_OFDM36 */ 922 1.31.2.2 skrll 96, /* IFM_IEEE80211_OFDM48 */ 923 1.31.2.2 skrll 108, /* IFM_IEEE80211_OFDM54 */ 924 1.31.2.2 skrll 144, /* IFM_IEEE80211_OFDM72 */ 925 1.31.2.2 skrll }; 926 1.31.2.2 skrll return IFM_SUBTYPE(mword) < N(ieeerates) ? 927 1.31.2.2 skrll ieeerates[IFM_SUBTYPE(mword)] : 0; 928 1.31.2.2 skrll #undef N 929 1.31.2.2 skrll } 930 1.31.2.2 skrll 931 1.31.2.2 skrll #ifdef __NetBSD__ 932 1.31.2.2 skrll /* TBD factor with sysctl_ath_verify. */ 933 1.31.2.2 skrll static int 934 1.31.2.2 skrll sysctl_ieee80211_verify(SYSCTLFN_ARGS) 935 1.31.2.2 skrll { 936 1.31.2.2 skrll int error, t; 937 1.31.2.2 skrll struct sysctlnode node; 938 1.31.2.2 skrll 939 1.31.2.2 skrll node = *rnode; 940 1.31.2.2 skrll t = *(int*)rnode->sysctl_data; 941 1.31.2.2 skrll node.sysctl_data = &t; 942 1.31.2.2 skrll error = sysctl_lookup(SYSCTLFN_CALL(&node)); 943 1.31.2.2 skrll if (error || newp == NULL) 944 1.31.2.2 skrll return (error); 945 1.31.2.2 skrll 946 1.31.2.2 skrll if (node.sysctl_num == ieee80211_inact_max_nodenum) { 947 1.31.2.2 skrll if (t < 1) 948 1.31.2.2 skrll return (EINVAL); 949 1.31.2.2 skrll t = roundup(t, IEEE80211_INACT_WAIT) / IEEE80211_INACT_WAIT; 950 1.31.2.2 skrll #ifdef IEEE80211_DEBUG 951 1.31.2.2 skrll } else if (node.sysctl_num != ieee80211_debug_nodenum) 952 1.31.2.2 skrll #else /* IEEE80211_DEBUG */ 953 1.31.2.2 skrll } else 954 1.31.2.2 skrll #endif /* IEEE80211_DEBUG */ 955 1.31.2.2 skrll return (EINVAL); 956 1.31.2.2 skrll 957 1.31.2.2 skrll *(int*)rnode->sysctl_data = t; 958 1.31.2.2 skrll 959 1.31.2.2 skrll return (0); 960 1.31.2.2 skrll } 961 1.31.2.2 skrll 962 1.31.2.2 skrll /* 963 1.31.2.2 skrll * Pointers for testing: 964 1.31.2.2 skrll * 965 1.31.2.2 skrll * If there are no interfaces, or else no 802.11 interfaces, 966 1.31.2.2 skrll * ieee80211_node_walkfirst must return NULL. 967 1.31.2.2 skrll * 968 1.31.2.2 skrll * If there is any single 802.11 interface, ieee80211_node_walkfirst 969 1.31.2.2 skrll * must not return NULL. 970 1.31.2.2 skrll */ 971 1.31.2.2 skrll static struct ieee80211_node * 972 1.31.2.2 skrll ieee80211_node_walkfirst(struct ieee80211_node_walk *nw, 973 1.31.2.2 skrll u_short if_index) 974 1.31.2.2 skrll { 975 1.31.2.2 skrll struct ieee80211com *ic; 976 1.31.2.2 skrll (void)memset(nw, 0, sizeof(*nw)); 977 1.31.2.2 skrll 978 1.31.2.2 skrll nw->nw_ifindex = if_index; 979 1.31.2.2 skrll 980 1.31.2.2 skrll LIST_FOREACH(ic, &ieee80211com_head, ic_list) { 981 1.31.2.2 skrll if (if_index != 0 && ic->ic_if.if_index != if_index) 982 1.31.2.2 skrll continue; 983 1.31.2.2 skrll nw->nw_ic = ic; 984 1.31.2.2 skrll nw->nw_ni = ic->ic_bss; 985 1.31.2.2 skrll break; 986 1.31.2.2 skrll } 987 1.31.2.2 skrll 988 1.31.2.2 skrll KASSERT(LOGICALLY_EQUAL(nw->nw_ni == NULL, nw->nw_ic == NULL)); 989 1.31.2.2 skrll 990 1.31.2.2 skrll return nw->nw_ni; 991 1.31.2.2 skrll } 992 1.31.2.2 skrll 993 1.31.2.2 skrll static struct ieee80211_node * 994 1.31.2.2 skrll ieee80211_node_walknext(struct ieee80211_node_walk *nw) 995 1.31.2.2 skrll { 996 1.31.2.2 skrll KASSERT(LOGICALLY_EQUAL(nw->nw_ni == NULL, nw->nw_ic == NULL)); 997 1.31.2.2 skrll 998 1.31.2.2 skrll if (nw->nw_ic == NULL && nw->nw_ni == NULL) 999 1.31.2.2 skrll return NULL; 1000 1.31.2.2 skrll 1001 1.31.2.2 skrll if (nw->nw_ni == nw->nw_ic->ic_bss) 1002 1.31.2.2 skrll nw->nw_ni = TAILQ_FIRST(&nw->nw_ic->ic_node); 1003 1.31.2.2 skrll else 1004 1.31.2.2 skrll nw->nw_ni = TAILQ_NEXT(nw->nw_ni, ni_list); 1005 1.31.2.2 skrll 1006 1.31.2.2 skrll if (nw->nw_ni == NULL) { 1007 1.31.2.2 skrll if (nw->nw_ifindex != 0) 1008 1.31.2.2 skrll return NULL; 1009 1.31.2.2 skrll 1010 1.31.2.2 skrll nw->nw_ic = LIST_NEXT(nw->nw_ic, ic_list); 1011 1.31.2.2 skrll if (nw->nw_ic == NULL) 1012 1.31.2.2 skrll return NULL; 1013 1.31.2.2 skrll 1014 1.31.2.2 skrll nw->nw_ni = nw->nw_ic->ic_bss; 1015 1.31.2.2 skrll } 1016 1.31.2.2 skrll 1017 1.31.2.2 skrll KASSERT(LOGICALLY_EQUAL(nw->nw_ni == NULL, nw->nw_ic == NULL)); 1018 1.31.2.2 skrll 1019 1.31.2.2 skrll return nw->nw_ni; 1020 1.31.2.2 skrll } 1021 1.31.2.2 skrll 1022 1.31.2.2 skrll static void 1023 1.31.2.2 skrll sysctl_ieee80211_fill_node(struct ieee80211_node *ni, 1024 1.31.2.2 skrll struct ieee80211_node_sysctl *ns, int ifindex, 1025 1.31.2.2 skrll struct ieee80211_channel *chan0, int is_bss) 1026 1.31.2.2 skrll { 1027 1.31.2.2 skrll ns->ns_ifindex = ifindex; 1028 1.31.2.2 skrll ns->ns_capinfo = ni->ni_capinfo; 1029 1.31.2.2 skrll ns->ns_flags = (is_bss) ? IEEE80211_NODE_SYSCTL_F_BSS : 0; 1030 1.31.2.2 skrll (void)memcpy(ns->ns_macaddr, ni->ni_macaddr, sizeof(ns->ns_macaddr)); 1031 1.31.2.2 skrll (void)memcpy(ns->ns_bssid, ni->ni_bssid, sizeof(ns->ns_bssid)); 1032 1.31.2.2 skrll if (ni->ni_chan != IEEE80211_CHAN_ANYC) { 1033 1.31.2.2 skrll ns->ns_freq = ni->ni_chan->ic_freq; 1034 1.31.2.2 skrll ns->ns_chanflags = ni->ni_chan->ic_flags; 1035 1.31.2.2 skrll ns->ns_chanidx = ni->ni_chan - chan0; 1036 1.31.2.2 skrll } else { 1037 1.31.2.2 skrll ns->ns_freq = ns->ns_chanflags = 0; 1038 1.31.2.2 skrll ns->ns_chanidx = 0; 1039 1.31.2.2 skrll } 1040 1.31.2.2 skrll ns->ns_rssi = ni->ni_rssi; 1041 1.31.2.2 skrll ns->ns_esslen = ni->ni_esslen; 1042 1.31.2.2 skrll (void)memcpy(ns->ns_essid, ni->ni_essid, sizeof(ns->ns_essid)); 1043 1.31.2.2 skrll ns->ns_pwrsave = ni->ni_pwrsave; 1044 1.31.2.2 skrll ns->ns_erp = ni->ni_erp; 1045 1.31.2.2 skrll ns->ns_associd = ni->ni_associd; 1046 1.31.2.2 skrll ns->ns_inact = ni->ni_inact * IEEE80211_INACT_WAIT; 1047 1.31.2.2 skrll ns->ns_rstamp = ni->ni_rstamp; 1048 1.31.2.2 skrll ns->ns_rates = ni->ni_rates; 1049 1.31.2.2 skrll ns->ns_txrate = ni->ni_txrate; 1050 1.31.2.2 skrll ns->ns_intval = ni->ni_intval; 1051 1.31.2.2 skrll (void)memcpy(ns->ns_tstamp, ni->ni_tstamp, sizeof(ns->ns_tstamp)); 1052 1.31.2.2 skrll ns->ns_txseq = ni->ni_txseq; 1053 1.31.2.2 skrll ns->ns_rxseq = ni->ni_rxseq; 1054 1.31.2.2 skrll ns->ns_fhdwell = ni->ni_fhdwell; 1055 1.31.2.2 skrll ns->ns_fhindex = ni->ni_fhindex; 1056 1.31.2.2 skrll ns->ns_fails = ni->ni_fails; 1057 1.31.2.2 skrll } 1058 1.31.2.2 skrll 1059 1.31.2.2 skrll /* Between two examinations of the sysctl tree, I expect each 1060 1.31.2.2 skrll * interface to add no more than 5 nodes. 1061 1.31.2.2 skrll */ 1062 1.31.2.2 skrll #define IEEE80211_SYSCTL_NODE_GROWTH 5 1063 1.31.2.2 skrll 1064 1.31.2.2 skrll static int 1065 1.31.2.2 skrll sysctl_ieee80211_node(SYSCTLFN_ARGS) 1066 1.31.2.2 skrll { 1067 1.31.2.2 skrll struct ieee80211_node_walk nw; 1068 1.31.2.2 skrll struct ieee80211_node *ni; 1069 1.31.2.2 skrll struct ieee80211_node_sysctl ns; 1070 1.31.2.2 skrll char *dp; 1071 1.31.2.2 skrll u_int cur_ifindex, ifcount, ifindex, last_ifindex, op, arg, hdr_type; 1072 1.31.2.2 skrll size_t len, needed, eltsize, out_size; 1073 1.31.2.2 skrll int error, s, nelt; 1074 1.31.2.2 skrll 1075 1.31.2.2 skrll if (namelen == 1 && name[0] == CTL_QUERY) 1076 1.31.2.2 skrll return (sysctl_query(SYSCTLFN_CALL(rnode))); 1077 1.31.2.2 skrll 1078 1.31.2.2 skrll if (namelen != IEEE80211_SYSCTL_NODENAMELEN) 1079 1.31.2.2 skrll return (EINVAL); 1080 1.31.2.2 skrll 1081 1.31.2.2 skrll /* ifindex.op.arg.header-type.eltsize.nelt */ 1082 1.31.2.2 skrll dp = oldp; 1083 1.31.2.2 skrll len = (oldp != NULL) ? *oldlenp : 0; 1084 1.31.2.2 skrll ifindex = name[IEEE80211_SYSCTL_NODENAME_IF]; 1085 1.31.2.2 skrll op = name[IEEE80211_SYSCTL_NODENAME_OP]; 1086 1.31.2.2 skrll arg = name[IEEE80211_SYSCTL_NODENAME_ARG]; 1087 1.31.2.2 skrll hdr_type = name[IEEE80211_SYSCTL_NODENAME_TYPE]; 1088 1.31.2.2 skrll eltsize = name[IEEE80211_SYSCTL_NODENAME_ELTSIZE]; 1089 1.31.2.2 skrll nelt = name[IEEE80211_SYSCTL_NODENAME_ELTCOUNT]; 1090 1.31.2.2 skrll out_size = MIN(sizeof(ns), eltsize); 1091 1.31.2.2 skrll 1092 1.31.2.2 skrll if (op != IEEE80211_SYSCTL_OP_ALL || arg != 0 || 1093 1.31.2.2 skrll hdr_type != IEEE80211_SYSCTL_T_NODE || eltsize < 1 || nelt < 0) 1094 1.31.2.2 skrll return (EINVAL); 1095 1.31.2.2 skrll 1096 1.31.2.2 skrll error = 0; 1097 1.31.2.2 skrll needed = 0; 1098 1.31.2.2 skrll ifcount = 0; 1099 1.31.2.2 skrll last_ifindex = 0; 1100 1.31.2.2 skrll 1101 1.31.2.2 skrll s = splnet(); 1102 1.31.2.2 skrll 1103 1.31.2.2 skrll for (ni = ieee80211_node_walkfirst(&nw, ifindex); ni != NULL; 1104 1.31.2.2 skrll ni = ieee80211_node_walknext(&nw)) { 1105 1.31.2.2 skrll struct ieee80211com *ic; 1106 1.31.2.2 skrll 1107 1.31.2.2 skrll ic = nw.nw_ic; 1108 1.31.2.2 skrll cur_ifindex = ic->ic_if.if_index; 1109 1.31.2.2 skrll 1110 1.31.2.2 skrll if (cur_ifindex != last_ifindex) { 1111 1.31.2.2 skrll ifcount++; 1112 1.31.2.2 skrll last_ifindex = cur_ifindex; 1113 1.31.2.2 skrll } 1114 1.31.2.2 skrll 1115 1.31.2.2 skrll if (nelt <= 0) 1116 1.31.2.2 skrll continue; 1117 1.31.2.2 skrll 1118 1.31.2.2 skrll if (len >= eltsize) { 1119 1.31.2.2 skrll sysctl_ieee80211_fill_node(ni, &ns, cur_ifindex, 1120 1.31.2.2 skrll &ic->ic_channels[0], ni == ic->ic_bss); 1121 1.31.2.2 skrll error = copyout(&ns, dp, out_size); 1122 1.31.2.2 skrll if (error) 1123 1.31.2.2 skrll goto cleanup; 1124 1.31.2.2 skrll dp += eltsize; 1125 1.31.2.2 skrll len -= eltsize; 1126 1.31.2.2 skrll } 1127 1.31.2.2 skrll needed += eltsize; 1128 1.31.2.2 skrll if (nelt != INT_MAX) 1129 1.31.2.2 skrll nelt--; 1130 1.31.2.2 skrll } 1131 1.31.2.2 skrll cleanup: 1132 1.31.2.2 skrll splx(s); 1133 1.31.2.2 skrll 1134 1.31.2.2 skrll *oldlenp = needed; 1135 1.31.2.2 skrll if (oldp == NULL) 1136 1.31.2.2 skrll *oldlenp += ifcount * IEEE80211_SYSCTL_NODE_GROWTH * eltsize; 1137 1.31.2.2 skrll 1138 1.31.2.2 skrll return (error); 1139 1.31.2.2 skrll } 1140 1.31.2.2 skrll 1141 1.31.2.2 skrll /* 1142 1.31.2.2 skrll * Setup sysctl(3) MIB, net.ieee80211.* 1143 1.31.2.2 skrll * 1144 1.31.2.2 skrll * TBD condition CTLFLAG_PERMANENT on being an LKM or not 1145 1.31.2.2 skrll */ 1146 1.31.2.2 skrll SYSCTL_SETUP(sysctl_ieee80211, "sysctl ieee80211 subtree setup") 1147 1.31.2.2 skrll { 1148 1.31.2.2 skrll int rc; 1149 1.31.2.2 skrll struct sysctlnode *cnode, *rnode; 1150 1.31.2.2 skrll 1151 1.31.2.2 skrll if ((rc = sysctl_createv(clog, 0, NULL, &rnode, 1152 1.31.2.2 skrll CTLFLAG_PERMANENT, CTLTYPE_NODE, "net", NULL, 1153 1.31.2.2 skrll NULL, 0, NULL, 0, CTL_NET, CTL_EOL)) != 0) 1154 1.31.2.2 skrll goto err; 1155 1.31.2.2 skrll 1156 1.31.2.2 skrll if ((rc = sysctl_createv(clog, 0, &rnode, &rnode, 1157 1.31.2.2 skrll CTLFLAG_PERMANENT, CTLTYPE_NODE, "link", 1158 1.31.2.2 skrll "link-layer statistics and controls", 1159 1.31.2.2 skrll NULL, 0, NULL, 0, PF_LINK, CTL_EOL)) != 0) 1160 1.31.2.2 skrll goto err; 1161 1.31.2.2 skrll 1162 1.31.2.2 skrll if ((rc = sysctl_createv(clog, 0, &rnode, &rnode, 1163 1.31.2.2 skrll CTLFLAG_PERMANENT, CTLTYPE_NODE, "ieee80211", 1164 1.31.2.2 skrll "IEEE 802.11 WLAN statistics and controls", 1165 1.31.2.2 skrll NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL)) != 0) 1166 1.31.2.2 skrll goto err; 1167 1.31.2.2 skrll 1168 1.31.2.2 skrll if ((rc = sysctl_createv(clog, 0, &rnode, NULL, 1169 1.31.2.2 skrll CTLFLAG_PERMANENT, CTLTYPE_NODE, "nodes", "client/peer stations", 1170 1.31.2.2 skrll sysctl_ieee80211_node, 0, NULL, 0, CTL_CREATE, CTL_EOL)) != 0) 1171 1.31.2.2 skrll goto err; 1172 1.31.2.2 skrll 1173 1.31.2.2 skrll #ifdef IEEE80211_DEBUG 1174 1.31.2.2 skrll 1175 1.31.2.2 skrll /* control debugging printfs */ 1176 1.31.2.2 skrll if ((rc = sysctl_createv(clog, 0, &rnode, &cnode, 1177 1.31.2.2 skrll CTLFLAG_PERMANENT|CTLFLAG_READWRITE, CTLTYPE_INT, 1178 1.31.2.2 skrll "debug", SYSCTL_DESCR("Enable IEEE 802.11 debugging output"), 1179 1.31.2.2 skrll sysctl_ieee80211_verify, 0, &ieee80211_debug, 0, 1180 1.31.2.2 skrll CTL_CREATE, CTL_EOL)) != 0) 1181 1.31.2.2 skrll goto err; 1182 1.31.2.2 skrll 1183 1.31.2.2 skrll ieee80211_debug_nodenum = cnode->sysctl_num; 1184 1.31.2.2 skrll 1185 1.31.2.2 skrll #endif /* IEEE80211_DEBUG */ 1186 1.31.2.2 skrll 1187 1.31.2.2 skrll /* control inactivity timer */ 1188 1.31.2.2 skrll if ((rc = sysctl_createv(clog, 0, &rnode, &cnode, 1189 1.31.2.2 skrll CTLFLAG_PERMANENT|CTLFLAG_READWRITE, CTLTYPE_INT, 1190 1.31.2.2 skrll "maxinact", SYSCTL_DESCR("Station inactivity timeout"), 1191 1.31.2.2 skrll sysctl_ieee80211_verify, 0, &ieee80211_inact_max, 1192 1.31.2.2 skrll 0, CTL_CREATE, CTL_EOL)) != 0) 1193 1.31.2.2 skrll goto err; 1194 1.31.2.2 skrll 1195 1.31.2.2 skrll ieee80211_inact_max_nodenum = cnode->sysctl_num; 1196 1.31.2.2 skrll 1197 1.31.2.2 skrll return; 1198 1.31.2.2 skrll err: 1199 1.31.2.2 skrll printf("%s: sysctl_createv failed (rc = %d)\n", __func__, rc); 1200 1.31.2.2 skrll } 1201 1.31.2.2 skrll #endif /* __NetBSD__ */ 1202 1.31.2.2 skrll 1203 1.31.2.2 skrll #ifdef __FreeBSD__ 1204 1.31.2.2 skrll /* 1205 1.31.2.2 skrll * Module glue. 1206 1.31.2.2 skrll * 1207 1.31.2.2 skrll * NB: the module name is "wlan" for compatibility with NetBSD. 1208 1.31.2.2 skrll */ 1209 1.31.2.2 skrll 1210 1.31.2.2 skrll static int 1211 1.31.2.2 skrll ieee80211_modevent(module_t mod, int type, void *unused) 1212 1.31.2.2 skrll { 1213 1.31.2.2 skrll switch (type) { 1214 1.31.2.2 skrll case MOD_LOAD: 1215 1.31.2.2 skrll if (bootverbose) 1216 1.31.2.2 skrll printf("wlan: <802.11 Link Layer>\n"); 1217 1.31.2.2 skrll return 0; 1218 1.31.2.2 skrll case MOD_UNLOAD: 1219 1.31.2.2 skrll return 0; 1220 1.31.2.2 skrll } 1221 1.31.2.2 skrll return EINVAL; 1222 1.31.2.2 skrll } 1223 1.31.2.2 skrll 1224 1.31.2.2 skrll static moduledata_t ieee80211_mod = { 1225 1.31.2.2 skrll "wlan", 1226 1.31.2.2 skrll ieee80211_modevent, 1227 1.31.2.2 skrll 0 1228 1.31.2.2 skrll }; 1229 1.31.2.2 skrll DECLARE_MODULE(wlan, ieee80211_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST); 1230 1.31.2.2 skrll MODULE_VERSION(wlan, 1); 1231 1.31.2.2 skrll MODULE_DEPEND(wlan, rc4, 1, 1, 1); 1232 1.31.2.2 skrll MODULE_DEPEND(wlan, ether, 1, 1, 1); 1233 1.31.2.2 skrll #endif 1234
Indexes created Thu Oct 02 14:10:14 GMT 2025