ieee80211_proto.c revision 1.15.2.8
1 1.15.2.8 christos /* $NetBSD: ieee80211_proto.c,v 1.15.2.8 2005/12/11 10:29:22 christos Exp $ */ 2 1.15.2.2 skrll /*- 3 1.15.2.2 skrll * Copyright (c) 2001 Atsushi Onoe 4 1.15.2.7 skrll * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting 5 1.15.2.2 skrll * All rights reserved. 6 1.15.2.2 skrll * 7 1.15.2.2 skrll * Redistribution and use in source and binary forms, with or without 8 1.15.2.2 skrll * modification, are permitted provided that the following conditions 9 1.15.2.2 skrll * are met: 10 1.15.2.2 skrll * 1. Redistributions of source code must retain the above copyright 11 1.15.2.2 skrll * notice, this list of conditions and the following disclaimer. 12 1.15.2.2 skrll * 2. Redistributions in binary form must reproduce the above copyright 13 1.15.2.2 skrll * notice, this list of conditions and the following disclaimer in the 14 1.15.2.2 skrll * documentation and/or other materials provided with the distribution. 15 1.15.2.2 skrll * 3. The name of the author may not be used to endorse or promote products 16 1.15.2.2 skrll * derived from this software without specific prior written permission. 17 1.15.2.2 skrll * 18 1.15.2.2 skrll * Alternatively, this software may be distributed under the terms of the 19 1.15.2.2 skrll * GNU General Public License ("GPL") version 2 as published by the Free 20 1.15.2.2 skrll * Software Foundation. 21 1.15.2.2 skrll * 22 1.15.2.2 skrll * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 1.15.2.2 skrll * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 1.15.2.2 skrll * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 1.15.2.2 skrll * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 1.15.2.2 skrll * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 1.15.2.2 skrll * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 1.15.2.2 skrll * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 1.15.2.2 skrll * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 1.15.2.2 skrll * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 1.15.2.2 skrll * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 1.15.2.2 skrll */ 33 1.15.2.2 skrll 34 1.15.2.2 skrll #include <sys/cdefs.h> 35 1.15.2.2 skrll #ifdef __FreeBSD__ 36 1.15.2.8 christos __FBSDID("$FreeBSD: src/sys/net80211/ieee80211_proto.c,v 1.23 2005/08/10 16:22:29 sam Exp $"); 37 1.15.2.7 skrll #endif 38 1.15.2.7 skrll #ifdef __NetBSD__ 39 1.15.2.8 christos __KERNEL_RCSID(0, "$NetBSD: ieee80211_proto.c,v 1.15.2.8 2005/12/11 10:29:22 christos Exp $"); 40 1.15.2.2 skrll #endif 41 1.15.2.2 skrll 42 1.15.2.2 skrll /* 43 1.15.2.2 skrll * IEEE 802.11 protocol support. 44 1.15.2.2 skrll */ 45 1.15.2.2 skrll 46 1.15.2.2 skrll #include "opt_inet.h" 47 1.15.2.2 skrll 48 1.15.2.2 skrll #include <sys/param.h> 49 1.15.2.2 skrll #include <sys/kernel.h> 50 1.15.2.7 skrll #include <sys/systm.h> 51 1.15.2.7 skrll 52 1.15.2.2 skrll #include <sys/socket.h> 53 1.15.2.2 skrll #include <sys/sockio.h> 54 1.15.2.2 skrll #include <sys/endian.h> 55 1.15.2.2 skrll #include <sys/errno.h> 56 1.15.2.2 skrll #include <sys/proc.h> 57 1.15.2.2 skrll #include <sys/sysctl.h> 58 1.15.2.2 skrll 59 1.15.2.2 skrll #include <net/if.h> 60 1.15.2.2 skrll #include <net/if_media.h> 61 1.15.2.2 skrll #include <net/if_arp.h> 62 1.15.2.2 skrll #include <net/if_ether.h> 63 1.15.2.2 skrll #include <net/if_llc.h> 64 1.15.2.2 skrll 65 1.15.2.7 skrll #include <net80211/ieee80211_netbsd.h> 66 1.15.2.2 skrll #include <net80211/ieee80211_var.h> 67 1.15.2.2 skrll 68 1.15.2.2 skrll #include <net/bpf.h> 69 1.15.2.2 skrll 70 1.15.2.2 skrll #ifdef INET 71 1.15.2.7 skrll #include <netinet/in.h> 72 1.15.2.2 skrll #include <net/if_ether.h> 73 1.15.2.2 skrll #endif 74 1.15.2.2 skrll 75 1.15.2.2 skrll #include <net/route.h> 76 1.15.2.7 skrll /* XXX tunables */ 77 1.15.2.7 skrll #define AGGRESSIVE_MODE_SWITCH_HYSTERESIS 3 /* pkts / 100ms */ 78 1.15.2.7 skrll #define HIGH_PRI_SWITCH_THRESH 10 /* pkts / 100ms */ 79 1.15.2.2 skrll 80 1.15.2.2 skrll #define IEEE80211_RATE2MBS(r) (((r) & IEEE80211_RATE_VAL) / 2) 81 1.15.2.2 skrll 82 1.15.2.2 skrll const char *ieee80211_mgt_subtype_name[] = { 83 1.15.2.2 skrll "assoc_req", "assoc_resp", "reassoc_req", "reassoc_resp", 84 1.15.2.2 skrll "probe_req", "probe_resp", "reserved#6", "reserved#7", 85 1.15.2.2 skrll "beacon", "atim", "disassoc", "auth", 86 1.15.2.2 skrll "deauth", "reserved#13", "reserved#14", "reserved#15" 87 1.15.2.2 skrll }; 88 1.15.2.7 skrll const char *ieee80211_ctl_subtype_name[] = { 89 1.15.2.7 skrll "reserved#0", "reserved#1", "reserved#2", "reserved#3", 90 1.15.2.7 skrll "reserved#3", "reserved#5", "reserved#6", "reserved#7", 91 1.15.2.7 skrll "reserved#8", "reserved#9", "ps_poll", "rts", 92 1.15.2.7 skrll "cts", "ack", "cf_end", "cf_end_ack" 93 1.15.2.7 skrll }; 94 1.15.2.2 skrll const char *ieee80211_state_name[IEEE80211_S_MAX] = { 95 1.15.2.2 skrll "INIT", /* IEEE80211_S_INIT */ 96 1.15.2.2 skrll "SCAN", /* IEEE80211_S_SCAN */ 97 1.15.2.2 skrll "AUTH", /* IEEE80211_S_AUTH */ 98 1.15.2.2 skrll "ASSOC", /* IEEE80211_S_ASSOC */ 99 1.15.2.2 skrll "RUN" /* IEEE80211_S_RUN */ 100 1.15.2.2 skrll }; 101 1.15.2.7 skrll const char *ieee80211_wme_acnames[] = { 102 1.15.2.7 skrll "WME_AC_BE", 103 1.15.2.7 skrll "WME_AC_BK", 104 1.15.2.7 skrll "WME_AC_VI", 105 1.15.2.7 skrll "WME_AC_VO", 106 1.15.2.7 skrll "WME_UPSD", 107 1.15.2.7 skrll }; 108 1.15.2.2 skrll 109 1.15.2.2 skrll static int ieee80211_newstate(struct ieee80211com *, enum ieee80211_state, int); 110 1.15.2.2 skrll 111 1.15.2.2 skrll void 112 1.15.2.7 skrll ieee80211_proto_attach(struct ieee80211com *ic) 113 1.15.2.2 skrll { 114 1.15.2.7 skrll struct ifnet *ifp = ic->ic_ifp; 115 1.15.2.2 skrll 116 1.15.2.7 skrll /* XXX room for crypto */ 117 1.15.2.7 skrll ifp->if_hdrlen = sizeof(struct ieee80211_qosframe_addr4); 118 1.15.2.2 skrll 119 1.15.2.2 skrll ic->ic_rtsthreshold = IEEE80211_RTS_DEFAULT; 120 1.15.2.8 christos ic->ic_fragthreshold = IEEE80211_FRAG_DEFAULT; 121 1.15.2.8 christos ic->ic_fixed_rate = IEEE80211_FIXED_RATE_NONE; 122 1.15.2.2 skrll ic->ic_protmode = IEEE80211_PROT_CTSONLY; 123 1.15.2.7 skrll ic->ic_roaming = IEEE80211_ROAMING_AUTO; 124 1.15.2.2 skrll 125 1.15.2.7 skrll ic->ic_wme.wme_hipri_switch_hysteresis = 126 1.15.2.7 skrll AGGRESSIVE_MODE_SWITCH_HYSTERESIS; 127 1.15.2.2 skrll 128 1.15.2.2 skrll /* protocol state change handler */ 129 1.15.2.2 skrll ic->ic_newstate = ieee80211_newstate; 130 1.15.2.2 skrll 131 1.15.2.2 skrll /* initialize management frame handlers */ 132 1.15.2.2 skrll ic->ic_recv_mgmt = ieee80211_recv_mgmt; 133 1.15.2.2 skrll ic->ic_send_mgmt = ieee80211_send_mgmt; 134 1.15.2.2 skrll } 135 1.15.2.2 skrll 136 1.15.2.2 skrll void 137 1.15.2.7 skrll ieee80211_proto_detach(struct ieee80211com *ic) 138 1.15.2.2 skrll { 139 1.15.2.2 skrll 140 1.15.2.7 skrll /* 141 1.15.2.7 skrll * This should not be needed as we detach when reseting 142 1.15.2.7 skrll * the state but be conservative here since the 143 1.15.2.7 skrll * authenticator may do things like spawn kernel threads. 144 1.15.2.7 skrll */ 145 1.15.2.7 skrll if (ic->ic_auth->ia_detach) 146 1.15.2.7 skrll ic->ic_auth->ia_detach(ic); 147 1.15.2.7 skrll 148 1.15.2.2 skrll IF_PURGE(&ic->ic_mgtq); 149 1.15.2.7 skrll 150 1.15.2.7 skrll /* 151 1.15.2.7 skrll * Detach any ACL'ator. 152 1.15.2.7 skrll */ 153 1.15.2.7 skrll if (ic->ic_acl != NULL) 154 1.15.2.7 skrll ic->ic_acl->iac_detach(ic); 155 1.15.2.7 skrll } 156 1.15.2.7 skrll 157 1.15.2.7 skrll /* 158 1.15.2.7 skrll * Simple-minded authenticator module support. 159 1.15.2.7 skrll */ 160 1.15.2.7 skrll 161 1.15.2.7 skrll #define IEEE80211_AUTH_MAX (IEEE80211_AUTH_WPA+1) 162 1.15.2.7 skrll /* XXX well-known names */ 163 1.15.2.7 skrll static const char *auth_modnames[IEEE80211_AUTH_MAX] = { 164 1.15.2.7 skrll "wlan_internal", /* IEEE80211_AUTH_NONE */ 165 1.15.2.7 skrll "wlan_internal", /* IEEE80211_AUTH_OPEN */ 166 1.15.2.7 skrll "wlan_internal", /* IEEE80211_AUTH_SHARED */ 167 1.15.2.7 skrll "wlan_xauth", /* IEEE80211_AUTH_8021X */ 168 1.15.2.7 skrll "wlan_internal", /* IEEE80211_AUTH_AUTO */ 169 1.15.2.7 skrll "wlan_xauth", /* IEEE80211_AUTH_WPA */ 170 1.15.2.7 skrll }; 171 1.15.2.7 skrll static const struct ieee80211_authenticator *authenticators[IEEE80211_AUTH_MAX]; 172 1.15.2.7 skrll 173 1.15.2.7 skrll static const struct ieee80211_authenticator auth_internal = { 174 1.15.2.7 skrll .ia_name = "wlan_internal", 175 1.15.2.7 skrll .ia_attach = NULL, 176 1.15.2.7 skrll .ia_detach = NULL, 177 1.15.2.7 skrll .ia_node_join = NULL, 178 1.15.2.7 skrll .ia_node_leave = NULL, 179 1.15.2.7 skrll }; 180 1.15.2.7 skrll 181 1.15.2.7 skrll /* 182 1.15.2.7 skrll * Setup internal authenticators once; they are never unregistered. 183 1.15.2.7 skrll */ 184 1.15.2.7 skrll static void 185 1.15.2.7 skrll ieee80211_auth_setup(void) 186 1.15.2.7 skrll { 187 1.15.2.7 skrll ieee80211_authenticator_register(IEEE80211_AUTH_OPEN, &auth_internal); 188 1.15.2.7 skrll ieee80211_authenticator_register(IEEE80211_AUTH_SHARED, &auth_internal); 189 1.15.2.7 skrll ieee80211_authenticator_register(IEEE80211_AUTH_AUTO, &auth_internal); 190 1.15.2.7 skrll } 191 1.15.2.7 skrll 192 1.15.2.7 skrll const struct ieee80211_authenticator * 193 1.15.2.7 skrll ieee80211_authenticator_get(int auth) 194 1.15.2.7 skrll { 195 1.15.2.7 skrll static int initialized = 0; 196 1.15.2.7 skrll if (!initialized) { 197 1.15.2.7 skrll ieee80211_auth_setup(); 198 1.15.2.7 skrll initialized = 1; 199 1.15.2.7 skrll } 200 1.15.2.7 skrll if (auth >= IEEE80211_AUTH_MAX) 201 1.15.2.7 skrll return NULL; 202 1.15.2.7 skrll if (authenticators[auth] == NULL) 203 1.15.2.7 skrll ieee80211_load_module(auth_modnames[auth]); 204 1.15.2.7 skrll return authenticators[auth]; 205 1.15.2.2 skrll } 206 1.15.2.2 skrll 207 1.15.2.2 skrll void 208 1.15.2.7 skrll ieee80211_authenticator_register(int type, 209 1.15.2.7 skrll const struct ieee80211_authenticator *auth) 210 1.15.2.2 skrll { 211 1.15.2.7 skrll if (type >= IEEE80211_AUTH_MAX) 212 1.15.2.7 skrll return; 213 1.15.2.7 skrll authenticators[type] = auth; 214 1.15.2.7 skrll } 215 1.15.2.7 skrll 216 1.15.2.7 skrll void 217 1.15.2.7 skrll ieee80211_authenticator_unregister(int type) 218 1.15.2.7 skrll { 219 1.15.2.7 skrll 220 1.15.2.7 skrll if (type >= IEEE80211_AUTH_MAX) 221 1.15.2.7 skrll return; 222 1.15.2.7 skrll authenticators[type] = NULL; 223 1.15.2.7 skrll } 224 1.15.2.7 skrll 225 1.15.2.7 skrll /* 226 1.15.2.7 skrll * Very simple-minded ACL module support. 227 1.15.2.7 skrll */ 228 1.15.2.7 skrll /* XXX just one for now */ 229 1.15.2.7 skrll static const struct ieee80211_aclator *acl = NULL; 230 1.15.2.7 skrll 231 1.15.2.7 skrll void 232 1.15.2.7 skrll ieee80211_aclator_register(const struct ieee80211_aclator *iac) 233 1.15.2.7 skrll { 234 1.15.2.7 skrll printf("wlan: %s acl policy registered\n", iac->iac_name); 235 1.15.2.7 skrll acl = iac; 236 1.15.2.7 skrll } 237 1.15.2.7 skrll 238 1.15.2.7 skrll void 239 1.15.2.7 skrll ieee80211_aclator_unregister(const struct ieee80211_aclator *iac) 240 1.15.2.7 skrll { 241 1.15.2.7 skrll if (acl == iac) 242 1.15.2.7 skrll acl = NULL; 243 1.15.2.7 skrll printf("wlan: %s acl policy unregistered\n", iac->iac_name); 244 1.15.2.7 skrll } 245 1.15.2.7 skrll 246 1.15.2.7 skrll const struct ieee80211_aclator * 247 1.15.2.7 skrll ieee80211_aclator_get(const char *name) 248 1.15.2.7 skrll { 249 1.15.2.7 skrll if (acl == NULL) 250 1.15.2.7 skrll ieee80211_load_module("wlan_acl"); 251 1.15.2.7 skrll return acl != NULL && strcmp(acl->iac_name, name) == 0 ? acl : NULL; 252 1.15.2.7 skrll } 253 1.15.2.7 skrll 254 1.15.2.7 skrll void 255 1.15.2.7 skrll ieee80211_print_essid(const u_int8_t *essid, int len) 256 1.15.2.7 skrll { 257 1.15.2.7 skrll const u_int8_t *p; 258 1.15.2.2 skrll int i; 259 1.15.2.2 skrll 260 1.15.2.2 skrll if (len > IEEE80211_NWID_LEN) 261 1.15.2.2 skrll len = IEEE80211_NWID_LEN; 262 1.15.2.2 skrll /* determine printable or not */ 263 1.15.2.2 skrll for (i = 0, p = essid; i < len; i++, p++) { 264 1.15.2.2 skrll if (*p < ' ' || *p > 0x7e) 265 1.15.2.2 skrll break; 266 1.15.2.2 skrll } 267 1.15.2.2 skrll if (i == len) { 268 1.15.2.2 skrll printf("\""); 269 1.15.2.2 skrll for (i = 0, p = essid; i < len; i++, p++) 270 1.15.2.2 skrll printf("%c", *p); 271 1.15.2.2 skrll printf("\""); 272 1.15.2.2 skrll } else { 273 1.15.2.2 skrll printf("0x"); 274 1.15.2.2 skrll for (i = 0, p = essid; i < len; i++, p++) 275 1.15.2.2 skrll printf("%02x", *p); 276 1.15.2.2 skrll } 277 1.15.2.2 skrll } 278 1.15.2.2 skrll 279 1.15.2.2 skrll void 280 1.15.2.7 skrll ieee80211_dump_pkt(const u_int8_t *buf, int len, int rate, int rssi) 281 1.15.2.2 skrll { 282 1.15.2.7 skrll const struct ieee80211_frame *wh; 283 1.15.2.2 skrll int i; 284 1.15.2.2 skrll 285 1.15.2.7 skrll wh = (const struct ieee80211_frame *)buf; 286 1.15.2.2 skrll switch (wh->i_fc[1] & IEEE80211_FC1_DIR_MASK) { 287 1.15.2.2 skrll case IEEE80211_FC1_DIR_NODS: 288 1.15.2.2 skrll printf("NODS %s", ether_sprintf(wh->i_addr2)); 289 1.15.2.2 skrll printf("->%s", ether_sprintf(wh->i_addr1)); 290 1.15.2.2 skrll printf("(%s)", ether_sprintf(wh->i_addr3)); 291 1.15.2.2 skrll break; 292 1.15.2.2 skrll case IEEE80211_FC1_DIR_TODS: 293 1.15.2.2 skrll printf("TODS %s", ether_sprintf(wh->i_addr2)); 294 1.15.2.2 skrll printf("->%s", ether_sprintf(wh->i_addr3)); 295 1.15.2.2 skrll printf("(%s)", ether_sprintf(wh->i_addr1)); 296 1.15.2.2 skrll break; 297 1.15.2.2 skrll case IEEE80211_FC1_DIR_FROMDS: 298 1.15.2.2 skrll printf("FRDS %s", ether_sprintf(wh->i_addr3)); 299 1.15.2.2 skrll printf("->%s", ether_sprintf(wh->i_addr1)); 300 1.15.2.2 skrll printf("(%s)", ether_sprintf(wh->i_addr2)); 301 1.15.2.2 skrll break; 302 1.15.2.2 skrll case IEEE80211_FC1_DIR_DSTODS: 303 1.15.2.7 skrll printf("DSDS %s", ether_sprintf((const u_int8_t *)&wh[1])); 304 1.15.2.2 skrll printf("->%s", ether_sprintf(wh->i_addr3)); 305 1.15.2.2 skrll printf("(%s", ether_sprintf(wh->i_addr2)); 306 1.15.2.2 skrll printf("->%s)", ether_sprintf(wh->i_addr1)); 307 1.15.2.2 skrll break; 308 1.15.2.2 skrll } 309 1.15.2.2 skrll switch (wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) { 310 1.15.2.2 skrll case IEEE80211_FC0_TYPE_DATA: 311 1.15.2.2 skrll printf(" data"); 312 1.15.2.2 skrll break; 313 1.15.2.2 skrll case IEEE80211_FC0_TYPE_MGT: 314 1.15.2.2 skrll printf(" %s", ieee80211_mgt_subtype_name[ 315 1.15.2.2 skrll (wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) 316 1.15.2.2 skrll >> IEEE80211_FC0_SUBTYPE_SHIFT]); 317 1.15.2.2 skrll break; 318 1.15.2.2 skrll default: 319 1.15.2.2 skrll printf(" type#%d", wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK); 320 1.15.2.2 skrll break; 321 1.15.2.2 skrll } 322 1.15.2.7 skrll if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 323 1.15.2.7 skrll printf(" WEP [IV"); 324 1.15.2.7 skrll for (i = 0; i < IEEE80211_WEP_IVLEN; i++) 325 1.15.2.7 skrll printf(" %.02x", buf[sizeof(*wh)+i]); 326 1.15.2.7 skrll printf(" KID %u]", buf[sizeof(*wh)+i] >> 6); 327 1.15.2.7 skrll } 328 1.15.2.2 skrll if (rate >= 0) 329 1.15.2.2 skrll printf(" %dM", rate / 2); 330 1.15.2.2 skrll if (rssi >= 0) 331 1.15.2.2 skrll printf(" +%d", rssi); 332 1.15.2.2 skrll printf("\n"); 333 1.15.2.2 skrll if (len > 0) { 334 1.15.2.2 skrll for (i = 0; i < len; i++) { 335 1.15.2.2 skrll if ((i & 1) == 0) 336 1.15.2.2 skrll printf(" "); 337 1.15.2.2 skrll printf("%02x", buf[i]); 338 1.15.2.2 skrll } 339 1.15.2.2 skrll printf("\n"); 340 1.15.2.2 skrll } 341 1.15.2.2 skrll } 342 1.15.2.2 skrll 343 1.15.2.2 skrll int 344 1.15.2.8 christos ieee80211_fix_rate(struct ieee80211_node *ni, int flags) 345 1.15.2.2 skrll { 346 1.15.2.2 skrll #define RV(v) ((v) & IEEE80211_RATE_VAL) 347 1.15.2.8 christos struct ieee80211com *ic = ni->ni_ic; 348 1.15.2.2 skrll int i, j, ignore, error; 349 1.15.2.7 skrll int okrate, badrate, fixedrate; 350 1.15.2.2 skrll struct ieee80211_rateset *srs, *nrs; 351 1.15.2.2 skrll u_int8_t r; 352 1.15.2.2 skrll 353 1.15.2.7 skrll /* 354 1.15.2.7 skrll * If the fixed rate check was requested but no 355 1.15.2.7 skrll * fixed has been defined then just remove it. 356 1.15.2.7 skrll */ 357 1.15.2.8 christos if ((flags & IEEE80211_F_DOFRATE) && 358 1.15.2.8 christos ic->ic_fixed_rate == IEEE80211_FIXED_RATE_NONE) 359 1.15.2.7 skrll flags &= ~IEEE80211_F_DOFRATE; 360 1.15.2.2 skrll error = 0; 361 1.15.2.7 skrll okrate = badrate = fixedrate = 0; 362 1.15.2.2 skrll srs = &ic->ic_sup_rates[ieee80211_chan2mode(ic, ni->ni_chan)]; 363 1.15.2.2 skrll nrs = &ni->ni_rates; 364 1.15.2.2 skrll for (i = 0; i < nrs->rs_nrates; ) { 365 1.15.2.2 skrll ignore = 0; 366 1.15.2.2 skrll if (flags & IEEE80211_F_DOSORT) { 367 1.15.2.2 skrll /* 368 1.15.2.2 skrll * Sort rates. 369 1.15.2.2 skrll */ 370 1.15.2.2 skrll for (j = i + 1; j < nrs->rs_nrates; j++) { 371 1.15.2.2 skrll if (RV(nrs->rs_rates[i]) > RV(nrs->rs_rates[j])) { 372 1.15.2.2 skrll r = nrs->rs_rates[i]; 373 1.15.2.2 skrll nrs->rs_rates[i] = nrs->rs_rates[j]; 374 1.15.2.2 skrll nrs->rs_rates[j] = r; 375 1.15.2.2 skrll } 376 1.15.2.2 skrll } 377 1.15.2.2 skrll } 378 1.15.2.2 skrll r = nrs->rs_rates[i] & IEEE80211_RATE_VAL; 379 1.15.2.2 skrll badrate = r; 380 1.15.2.2 skrll if (flags & IEEE80211_F_DOFRATE) { 381 1.15.2.2 skrll /* 382 1.15.2.7 skrll * Check any fixed rate is included. 383 1.15.2.2 skrll */ 384 1.15.2.7 skrll if (r == RV(srs->rs_rates[ic->ic_fixed_rate])) 385 1.15.2.7 skrll fixedrate = r; 386 1.15.2.2 skrll } 387 1.15.2.2 skrll if (flags & IEEE80211_F_DONEGO) { 388 1.15.2.2 skrll /* 389 1.15.2.2 skrll * Check against supported rates. 390 1.15.2.2 skrll */ 391 1.15.2.2 skrll for (j = 0; j < srs->rs_nrates; j++) { 392 1.15.2.2 skrll if (r == RV(srs->rs_rates[j])) { 393 1.15.2.2 skrll /* 394 1.15.2.2 skrll * Overwrite with the supported rate 395 1.15.2.2 skrll * value so any basic rate bit is set. 396 1.15.2.2 skrll * This insures that response we send 397 1.15.2.2 skrll * to stations have the necessary basic 398 1.15.2.2 skrll * rate bit set. 399 1.15.2.2 skrll */ 400 1.15.2.2 skrll nrs->rs_rates[i] = srs->rs_rates[j]; 401 1.15.2.2 skrll break; 402 1.15.2.2 skrll } 403 1.15.2.2 skrll } 404 1.15.2.2 skrll if (j == srs->rs_nrates) { 405 1.15.2.2 skrll /* 406 1.15.2.2 skrll * A rate in the node's rate set is not 407 1.15.2.2 skrll * supported. If this is a basic rate and we 408 1.15.2.2 skrll * are operating as an AP then this is an error. 409 1.15.2.2 skrll * Otherwise we just discard/ignore the rate. 410 1.15.2.2 skrll * Note that this is important for 11b stations 411 1.15.2.2 skrll * when they want to associate with an 11g AP. 412 1.15.2.2 skrll */ 413 1.15.2.7 skrll #ifndef IEEE80211_NO_HOSTAP 414 1.15.2.2 skrll if (ic->ic_opmode == IEEE80211_M_HOSTAP && 415 1.15.2.2 skrll (nrs->rs_rates[i] & IEEE80211_RATE_BASIC)) 416 1.15.2.2 skrll error++; 417 1.15.2.7 skrll #endif /* !IEEE80211_NO_HOSTAP */ 418 1.15.2.2 skrll ignore++; 419 1.15.2.2 skrll } 420 1.15.2.2 skrll } 421 1.15.2.2 skrll if (flags & IEEE80211_F_DODEL) { 422 1.15.2.2 skrll /* 423 1.15.2.2 skrll * Delete unacceptable rates. 424 1.15.2.2 skrll */ 425 1.15.2.2 skrll if (ignore) { 426 1.15.2.2 skrll nrs->rs_nrates--; 427 1.15.2.2 skrll for (j = i; j < nrs->rs_nrates; j++) 428 1.15.2.2 skrll nrs->rs_rates[j] = nrs->rs_rates[j + 1]; 429 1.15.2.2 skrll nrs->rs_rates[j] = 0; 430 1.15.2.2 skrll continue; 431 1.15.2.2 skrll } 432 1.15.2.2 skrll } 433 1.15.2.2 skrll if (!ignore) { 434 1.15.2.2 skrll okrate = nrs->rs_rates[i]; 435 1.15.2.2 skrll ni->ni_txrate = i; 436 1.15.2.2 skrll } 437 1.15.2.2 skrll i++; 438 1.15.2.2 skrll } 439 1.15.2.7 skrll if (okrate == 0 || error != 0 || 440 1.15.2.7 skrll ((flags & IEEE80211_F_DOFRATE) && fixedrate == 0)) 441 1.15.2.2 skrll return badrate | IEEE80211_RATE_BASIC; 442 1.15.2.2 skrll else 443 1.15.2.2 skrll return RV(okrate); 444 1.15.2.2 skrll #undef RV 445 1.15.2.2 skrll } 446 1.15.2.2 skrll 447 1.15.2.7 skrll /* 448 1.15.2.7 skrll * Reset 11g-related state. 449 1.15.2.7 skrll */ 450 1.15.2.7 skrll void 451 1.15.2.7 skrll ieee80211_reset_erp(struct ieee80211com *ic) 452 1.15.2.7 skrll { 453 1.15.2.7 skrll ic->ic_flags &= ~IEEE80211_F_USEPROT; 454 1.15.2.7 skrll ic->ic_nonerpsta = 0; 455 1.15.2.7 skrll ic->ic_longslotsta = 0; 456 1.15.2.7 skrll /* 457 1.15.2.7 skrll * Short slot time is enabled only when operating in 11g 458 1.15.2.7 skrll * and not in an IBSS. We must also honor whether or not 459 1.15.2.7 skrll * the driver is capable of doing it. 460 1.15.2.7 skrll */ 461 1.15.2.7 skrll ieee80211_set_shortslottime(ic, 462 1.15.2.7 skrll ic->ic_curmode == IEEE80211_MODE_11A || 463 1.15.2.7 skrll (ic->ic_curmode == IEEE80211_MODE_11G && 464 1.15.2.7 skrll ic->ic_opmode == IEEE80211_M_HOSTAP && 465 1.15.2.7 skrll (ic->ic_caps & IEEE80211_C_SHSLOT))); 466 1.15.2.7 skrll /* 467 1.15.2.7 skrll * Set short preamble and ERP barker-preamble flags. 468 1.15.2.7 skrll */ 469 1.15.2.7 skrll if (ic->ic_curmode == IEEE80211_MODE_11A || 470 1.15.2.7 skrll (ic->ic_caps & IEEE80211_C_SHPREAMBLE)) { 471 1.15.2.7 skrll ic->ic_flags |= IEEE80211_F_SHPREAMBLE; 472 1.15.2.7 skrll ic->ic_flags &= ~IEEE80211_F_USEBARKER; 473 1.15.2.7 skrll } else { 474 1.15.2.7 skrll ic->ic_flags &= ~IEEE80211_F_SHPREAMBLE; 475 1.15.2.7 skrll ic->ic_flags |= IEEE80211_F_USEBARKER; 476 1.15.2.7 skrll } 477 1.15.2.7 skrll } 478 1.15.2.7 skrll 479 1.15.2.7 skrll /* 480 1.15.2.7 skrll * Set the short slot time state and notify the driver. 481 1.15.2.7 skrll */ 482 1.15.2.7 skrll void 483 1.15.2.7 skrll ieee80211_set_shortslottime(struct ieee80211com *ic, int onoff) 484 1.15.2.7 skrll { 485 1.15.2.7 skrll if (onoff) 486 1.15.2.7 skrll ic->ic_flags |= IEEE80211_F_SHSLOT; 487 1.15.2.7 skrll else 488 1.15.2.7 skrll ic->ic_flags &= ~IEEE80211_F_SHSLOT; 489 1.15.2.7 skrll /* notify driver */ 490 1.15.2.7 skrll if (ic->ic_updateslot != NULL) 491 1.15.2.7 skrll ic->ic_updateslot(ic->ic_ifp); 492 1.15.2.7 skrll } 493 1.15.2.7 skrll 494 1.15.2.7 skrll /* 495 1.15.2.7 skrll * Check if the specified rate set supports ERP. 496 1.15.2.7 skrll * NB: the rate set is assumed to be sorted. 497 1.15.2.7 skrll */ 498 1.15.2.7 skrll int 499 1.15.2.7 skrll ieee80211_iserp_rateset(struct ieee80211com *ic, struct ieee80211_rateset *rs) 500 1.15.2.7 skrll { 501 1.15.2.7 skrll #define N(a) (sizeof(a) / sizeof(a[0])) 502 1.15.2.7 skrll static const int rates[] = { 2, 4, 11, 22, 12, 24, 48 }; 503 1.15.2.7 skrll int i, j; 504 1.15.2.7 skrll 505 1.15.2.7 skrll if (rs->rs_nrates < N(rates)) 506 1.15.2.7 skrll return 0; 507 1.15.2.7 skrll for (i = 0; i < N(rates); i++) { 508 1.15.2.7 skrll for (j = 0; j < rs->rs_nrates; j++) { 509 1.15.2.7 skrll int r = rs->rs_rates[j] & IEEE80211_RATE_VAL; 510 1.15.2.7 skrll if (rates[i] == r) 511 1.15.2.7 skrll goto next; 512 1.15.2.7 skrll if (r > rates[i]) 513 1.15.2.7 skrll return 0; 514 1.15.2.7 skrll } 515 1.15.2.7 skrll return 0; 516 1.15.2.7 skrll next: 517 1.15.2.7 skrll ; 518 1.15.2.7 skrll } 519 1.15.2.7 skrll return 1; 520 1.15.2.7 skrll #undef N 521 1.15.2.7 skrll } 522 1.15.2.7 skrll 523 1.15.2.7 skrll /* 524 1.15.2.7 skrll * Mark the basic rates for the 11g rate table based on the 525 1.15.2.7 skrll * operating mode. For real 11g we mark all the 11b rates 526 1.15.2.7 skrll * and 6, 12, and 24 OFDM. For 11b compatibility we mark only 527 1.15.2.7 skrll * 11b rates. There's also a pseudo 11a-mode used to mark only 528 1.15.2.7 skrll * the basic OFDM rates. 529 1.15.2.7 skrll */ 530 1.15.2.7 skrll void 531 1.15.2.7 skrll ieee80211_set11gbasicrates(struct ieee80211_rateset *rs, enum ieee80211_phymode mode) 532 1.15.2.7 skrll { 533 1.15.2.7 skrll static const struct ieee80211_rateset basic[] = { 534 1.15.2.7 skrll { 0 }, /* IEEE80211_MODE_AUTO */ 535 1.15.2.7 skrll { 3, { 12, 24, 48 } }, /* IEEE80211_MODE_11A */ 536 1.15.2.7 skrll { 2, { 2, 4 } }, /* IEEE80211_MODE_11B */ 537 1.15.2.7 skrll { 4, { 2, 4, 11, 22 } }, /* IEEE80211_MODE_11G (mixed b/g) */ 538 1.15.2.7 skrll { 0 }, /* IEEE80211_MODE_FH */ 539 1.15.2.7 skrll /* IEEE80211_MODE_PUREG (not yet) */ 540 1.15.2.7 skrll { 7, { 2, 4, 11, 22, 12, 24, 48 } }, 541 1.15.2.7 skrll }; 542 1.15.2.7 skrll int i, j; 543 1.15.2.7 skrll 544 1.15.2.7 skrll for (i = 0; i < rs->rs_nrates; i++) { 545 1.15.2.7 skrll rs->rs_rates[i] &= IEEE80211_RATE_VAL; 546 1.15.2.7 skrll for (j = 0; j < basic[mode].rs_nrates; j++) 547 1.15.2.7 skrll if (basic[mode].rs_rates[j] == rs->rs_rates[i]) { 548 1.15.2.7 skrll rs->rs_rates[i] |= IEEE80211_RATE_BASIC; 549 1.15.2.7 skrll break; 550 1.15.2.7 skrll } 551 1.15.2.7 skrll } 552 1.15.2.7 skrll } 553 1.15.2.7 skrll 554 1.15.2.7 skrll /* 555 1.15.2.7 skrll * WME protocol support. The following parameters come from the spec. 556 1.15.2.7 skrll */ 557 1.15.2.7 skrll typedef struct phyParamType { 558 1.15.2.7 skrll u_int8_t aifsn; 559 1.15.2.7 skrll u_int8_t logcwmin; 560 1.15.2.7 skrll u_int8_t logcwmax; 561 1.15.2.7 skrll u_int16_t txopLimit; 562 1.15.2.7 skrll u_int8_t acm; 563 1.15.2.7 skrll } paramType; 564 1.15.2.7 skrll 565 1.15.2.7 skrll static const struct phyParamType phyParamForAC_BE[IEEE80211_MODE_MAX] = { 566 1.15.2.7 skrll { 3, 4, 6 }, /* IEEE80211_MODE_AUTO */ 567 1.15.2.7 skrll { 3, 4, 6 }, /* IEEE80211_MODE_11A */ 568 1.15.2.7 skrll { 3, 5, 7 }, /* IEEE80211_MODE_11B */ 569 1.15.2.7 skrll { 3, 4, 6 }, /* IEEE80211_MODE_11G */ 570 1.15.2.7 skrll { 3, 5, 7 }, /* IEEE80211_MODE_FH */ 571 1.15.2.7 skrll { 2, 3, 5 }, /* IEEE80211_MODE_TURBO_A */ 572 1.15.2.7 skrll { 2, 3, 5 }, /* IEEE80211_MODE_TURBO_G */ 573 1.15.2.7 skrll }; 574 1.15.2.7 skrll static const struct phyParamType phyParamForAC_BK[IEEE80211_MODE_MAX] = { 575 1.15.2.7 skrll { 7, 4, 10 }, /* IEEE80211_MODE_AUTO */ 576 1.15.2.7 skrll { 7, 4, 10 }, /* IEEE80211_MODE_11A */ 577 1.15.2.7 skrll { 7, 5, 10 }, /* IEEE80211_MODE_11B */ 578 1.15.2.7 skrll { 7, 4, 10 }, /* IEEE80211_MODE_11G */ 579 1.15.2.7 skrll { 7, 5, 10 }, /* IEEE80211_MODE_FH */ 580 1.15.2.7 skrll { 7, 3, 10 }, /* IEEE80211_MODE_TURBO_A */ 581 1.15.2.7 skrll { 7, 3, 10 }, /* IEEE80211_MODE_TURBO_G */ 582 1.15.2.7 skrll }; 583 1.15.2.7 skrll static const struct phyParamType phyParamForAC_VI[IEEE80211_MODE_MAX] = { 584 1.15.2.7 skrll { 1, 3, 4, 94 }, /* IEEE80211_MODE_AUTO */ 585 1.15.2.7 skrll { 1, 3, 4, 94 }, /* IEEE80211_MODE_11A */ 586 1.15.2.7 skrll { 1, 4, 5, 188 }, /* IEEE80211_MODE_11B */ 587 1.15.2.7 skrll { 1, 3, 4, 94 }, /* IEEE80211_MODE_11G */ 588 1.15.2.7 skrll { 1, 4, 5, 188 }, /* IEEE80211_MODE_FH */ 589 1.15.2.7 skrll { 1, 2, 3, 94 }, /* IEEE80211_MODE_TURBO_A */ 590 1.15.2.7 skrll { 1, 2, 3, 94 }, /* IEEE80211_MODE_TURBO_G */ 591 1.15.2.7 skrll }; 592 1.15.2.7 skrll static const struct phyParamType phyParamForAC_VO[IEEE80211_MODE_MAX] = { 593 1.15.2.7 skrll { 1, 2, 3, 47 }, /* IEEE80211_MODE_AUTO */ 594 1.15.2.7 skrll { 1, 2, 3, 47 }, /* IEEE80211_MODE_11A */ 595 1.15.2.7 skrll { 1, 3, 4, 102 }, /* IEEE80211_MODE_11B */ 596 1.15.2.7 skrll { 1, 2, 3, 47 }, /* IEEE80211_MODE_11G */ 597 1.15.2.7 skrll { 1, 3, 4, 102 }, /* IEEE80211_MODE_FH */ 598 1.15.2.7 skrll { 1, 2, 2, 47 }, /* IEEE80211_MODE_TURBO_A */ 599 1.15.2.7 skrll { 1, 2, 2, 47 }, /* IEEE80211_MODE_TURBO_G */ 600 1.15.2.7 skrll }; 601 1.15.2.7 skrll 602 1.15.2.7 skrll static const struct phyParamType bssPhyParamForAC_BE[IEEE80211_MODE_MAX] = { 603 1.15.2.7 skrll { 3, 4, 10 }, /* IEEE80211_MODE_AUTO */ 604 1.15.2.7 skrll { 3, 4, 10 }, /* IEEE80211_MODE_11A */ 605 1.15.2.7 skrll { 3, 5, 10 }, /* IEEE80211_MODE_11B */ 606 1.15.2.7 skrll { 3, 4, 10 }, /* IEEE80211_MODE_11G */ 607 1.15.2.7 skrll { 3, 5, 10 }, /* IEEE80211_MODE_FH */ 608 1.15.2.7 skrll { 2, 3, 10 }, /* IEEE80211_MODE_TURBO_A */ 609 1.15.2.7 skrll { 2, 3, 10 }, /* IEEE80211_MODE_TURBO_G */ 610 1.15.2.7 skrll }; 611 1.15.2.7 skrll static const struct phyParamType bssPhyParamForAC_VI[IEEE80211_MODE_MAX] = { 612 1.15.2.7 skrll { 2, 3, 4, 94 }, /* IEEE80211_MODE_AUTO */ 613 1.15.2.7 skrll { 2, 3, 4, 94 }, /* IEEE80211_MODE_11A */ 614 1.15.2.7 skrll { 2, 4, 5, 188 }, /* IEEE80211_MODE_11B */ 615 1.15.2.7 skrll { 2, 3, 4, 94 }, /* IEEE80211_MODE_11G */ 616 1.15.2.7 skrll { 2, 4, 5, 188 }, /* IEEE80211_MODE_FH */ 617 1.15.2.7 skrll { 2, 2, 3, 94 }, /* IEEE80211_MODE_TURBO_A */ 618 1.15.2.7 skrll { 2, 2, 3, 94 }, /* IEEE80211_MODE_TURBO_G */ 619 1.15.2.7 skrll }; 620 1.15.2.7 skrll static const struct phyParamType bssPhyParamForAC_VO[IEEE80211_MODE_MAX] = { 621 1.15.2.7 skrll { 2, 2, 3, 47 }, /* IEEE80211_MODE_AUTO */ 622 1.15.2.7 skrll { 2, 2, 3, 47 }, /* IEEE80211_MODE_11A */ 623 1.15.2.7 skrll { 2, 3, 4, 102 }, /* IEEE80211_MODE_11B */ 624 1.15.2.7 skrll { 2, 2, 3, 47 }, /* IEEE80211_MODE_11G */ 625 1.15.2.7 skrll { 2, 3, 4, 102 }, /* IEEE80211_MODE_FH */ 626 1.15.2.7 skrll { 1, 2, 2, 47 }, /* IEEE80211_MODE_TURBO_A */ 627 1.15.2.7 skrll { 1, 2, 2, 47 }, /* IEEE80211_MODE_TURBO_G */ 628 1.15.2.7 skrll }; 629 1.15.2.7 skrll 630 1.15.2.7 skrll void 631 1.15.2.7 skrll ieee80211_wme_initparams(struct ieee80211com *ic) 632 1.15.2.7 skrll { 633 1.15.2.7 skrll struct ieee80211_wme_state *wme = &ic->ic_wme; 634 1.15.2.7 skrll const paramType *pPhyParam, *pBssPhyParam; 635 1.15.2.7 skrll struct wmeParams *wmep; 636 1.15.2.7 skrll int i; 637 1.15.2.7 skrll 638 1.15.2.7 skrll if ((ic->ic_caps & IEEE80211_C_WME) == 0) 639 1.15.2.7 skrll return; 640 1.15.2.7 skrll 641 1.15.2.7 skrll for (i = 0; i < WME_NUM_AC; i++) { 642 1.15.2.7 skrll switch (i) { 643 1.15.2.7 skrll case WME_AC_BK: 644 1.15.2.7 skrll pPhyParam = &phyParamForAC_BK[ic->ic_curmode]; 645 1.15.2.7 skrll pBssPhyParam = &phyParamForAC_BK[ic->ic_curmode]; 646 1.15.2.7 skrll break; 647 1.15.2.7 skrll case WME_AC_VI: 648 1.15.2.7 skrll pPhyParam = &phyParamForAC_VI[ic->ic_curmode]; 649 1.15.2.7 skrll pBssPhyParam = &bssPhyParamForAC_VI[ic->ic_curmode]; 650 1.15.2.7 skrll break; 651 1.15.2.7 skrll case WME_AC_VO: 652 1.15.2.7 skrll pPhyParam = &phyParamForAC_VO[ic->ic_curmode]; 653 1.15.2.7 skrll pBssPhyParam = &bssPhyParamForAC_VO[ic->ic_curmode]; 654 1.15.2.7 skrll break; 655 1.15.2.7 skrll case WME_AC_BE: 656 1.15.2.7 skrll default: 657 1.15.2.7 skrll pPhyParam = &phyParamForAC_BE[ic->ic_curmode]; 658 1.15.2.7 skrll pBssPhyParam = &bssPhyParamForAC_BE[ic->ic_curmode]; 659 1.15.2.7 skrll break; 660 1.15.2.7 skrll } 661 1.15.2.7 skrll 662 1.15.2.7 skrll wmep = &wme->wme_wmeChanParams.cap_wmeParams[i]; 663 1.15.2.7 skrll if (ic->ic_opmode == IEEE80211_M_HOSTAP) { 664 1.15.2.7 skrll wmep->wmep_acm = pPhyParam->acm; 665 1.15.2.7 skrll wmep->wmep_aifsn = pPhyParam->aifsn; 666 1.15.2.7 skrll wmep->wmep_logcwmin = pPhyParam->logcwmin; 667 1.15.2.7 skrll wmep->wmep_logcwmax = pPhyParam->logcwmax; 668 1.15.2.7 skrll wmep->wmep_txopLimit = pPhyParam->txopLimit; 669 1.15.2.7 skrll } else { 670 1.15.2.7 skrll wmep->wmep_acm = pBssPhyParam->acm; 671 1.15.2.7 skrll wmep->wmep_aifsn = pBssPhyParam->aifsn; 672 1.15.2.7 skrll wmep->wmep_logcwmin = pBssPhyParam->logcwmin; 673 1.15.2.7 skrll wmep->wmep_logcwmax = pBssPhyParam->logcwmax; 674 1.15.2.7 skrll wmep->wmep_txopLimit = pBssPhyParam->txopLimit; 675 1.15.2.7 skrll 676 1.15.2.7 skrll } 677 1.15.2.7 skrll IEEE80211_DPRINTF(ic, IEEE80211_MSG_WME, 678 1.15.2.7 skrll "%s: %s chan [acm %u aifsn %u log2(cwmin) %u " 679 1.15.2.7 skrll "log2(cwmax) %u txpoLimit %u]\n", __func__ 680 1.15.2.7 skrll , ieee80211_wme_acnames[i] 681 1.15.2.7 skrll , wmep->wmep_acm 682 1.15.2.7 skrll , wmep->wmep_aifsn 683 1.15.2.7 skrll , wmep->wmep_logcwmin 684 1.15.2.7 skrll , wmep->wmep_logcwmax 685 1.15.2.7 skrll , wmep->wmep_txopLimit 686 1.15.2.7 skrll ); 687 1.15.2.7 skrll 688 1.15.2.7 skrll wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[i]; 689 1.15.2.7 skrll wmep->wmep_acm = pBssPhyParam->acm; 690 1.15.2.7 skrll wmep->wmep_aifsn = pBssPhyParam->aifsn; 691 1.15.2.7 skrll wmep->wmep_logcwmin = pBssPhyParam->logcwmin; 692 1.15.2.7 skrll wmep->wmep_logcwmax = pBssPhyParam->logcwmax; 693 1.15.2.7 skrll wmep->wmep_txopLimit = pBssPhyParam->txopLimit; 694 1.15.2.7 skrll IEEE80211_DPRINTF(ic, IEEE80211_MSG_WME, 695 1.15.2.7 skrll "%s: %s bss [acm %u aifsn %u log2(cwmin) %u " 696 1.15.2.7 skrll "log2(cwmax) %u txpoLimit %u]\n", __func__ 697 1.15.2.7 skrll , ieee80211_wme_acnames[i] 698 1.15.2.7 skrll , wmep->wmep_acm 699 1.15.2.7 skrll , wmep->wmep_aifsn 700 1.15.2.7 skrll , wmep->wmep_logcwmin 701 1.15.2.7 skrll , wmep->wmep_logcwmax 702 1.15.2.7 skrll , wmep->wmep_txopLimit 703 1.15.2.7 skrll ); 704 1.15.2.7 skrll } 705 1.15.2.7 skrll /* NB: check ic_bss to avoid NULL deref on initial attach */ 706 1.15.2.7 skrll if (ic->ic_bss != NULL) { 707 1.15.2.7 skrll /* 708 1.15.2.7 skrll * Calculate agressive mode switching threshold based 709 1.15.2.7 skrll * on beacon interval. This doesn't need locking since 710 1.15.2.7 skrll * we're only called before entering the RUN state at 711 1.15.2.7 skrll * which point we start sending beacon frames. 712 1.15.2.7 skrll */ 713 1.15.2.7 skrll wme->wme_hipri_switch_thresh = 714 1.15.2.7 skrll (HIGH_PRI_SWITCH_THRESH * ic->ic_bss->ni_intval) / 100; 715 1.15.2.7 skrll ieee80211_wme_updateparams(ic); 716 1.15.2.7 skrll } 717 1.15.2.7 skrll } 718 1.15.2.7 skrll 719 1.15.2.7 skrll /* 720 1.15.2.7 skrll * Update WME parameters for ourself and the BSS. 721 1.15.2.7 skrll */ 722 1.15.2.7 skrll void 723 1.15.2.7 skrll ieee80211_wme_updateparams_locked(struct ieee80211com *ic) 724 1.15.2.7 skrll { 725 1.15.2.7 skrll static const paramType phyParam[IEEE80211_MODE_MAX] = { 726 1.15.2.7 skrll { 2, 4, 10, 64 }, /* IEEE80211_MODE_AUTO */ 727 1.15.2.7 skrll { 2, 4, 10, 64 }, /* IEEE80211_MODE_11A */ 728 1.15.2.7 skrll { 2, 5, 10, 64 }, /* IEEE80211_MODE_11B */ 729 1.15.2.7 skrll { 2, 4, 10, 64 }, /* IEEE80211_MODE_11G */ 730 1.15.2.7 skrll { 2, 5, 10, 64 }, /* IEEE80211_MODE_FH */ 731 1.15.2.7 skrll { 1, 3, 10, 64 }, /* IEEE80211_MODE_TURBO_A */ 732 1.15.2.7 skrll { 1, 3, 10, 64 }, /* IEEE80211_MODE_TURBO_G */ 733 1.15.2.7 skrll }; 734 1.15.2.7 skrll struct ieee80211_wme_state *wme = &ic->ic_wme; 735 1.15.2.7 skrll const struct wmeParams *wmep; 736 1.15.2.7 skrll struct wmeParams *chanp, *bssp; 737 1.15.2.7 skrll int i; 738 1.15.2.7 skrll 739 1.15.2.7 skrll /* set up the channel access parameters for the physical device */ 740 1.15.2.7 skrll for (i = 0; i < WME_NUM_AC; i++) { 741 1.15.2.7 skrll chanp = &wme->wme_chanParams.cap_wmeParams[i]; 742 1.15.2.7 skrll wmep = &wme->wme_wmeChanParams.cap_wmeParams[i]; 743 1.15.2.7 skrll chanp->wmep_aifsn = wmep->wmep_aifsn; 744 1.15.2.7 skrll chanp->wmep_logcwmin = wmep->wmep_logcwmin; 745 1.15.2.7 skrll chanp->wmep_logcwmax = wmep->wmep_logcwmax; 746 1.15.2.7 skrll chanp->wmep_txopLimit = wmep->wmep_txopLimit; 747 1.15.2.7 skrll 748 1.15.2.7 skrll chanp = &wme->wme_bssChanParams.cap_wmeParams[i]; 749 1.15.2.7 skrll wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[i]; 750 1.15.2.7 skrll chanp->wmep_aifsn = wmep->wmep_aifsn; 751 1.15.2.7 skrll chanp->wmep_logcwmin = wmep->wmep_logcwmin; 752 1.15.2.7 skrll chanp->wmep_logcwmax = wmep->wmep_logcwmax; 753 1.15.2.7 skrll chanp->wmep_txopLimit = wmep->wmep_txopLimit; 754 1.15.2.7 skrll } 755 1.15.2.7 skrll 756 1.15.2.7 skrll /* 757 1.15.2.7 skrll * This implements agressive mode as found in certain 758 1.15.2.7 skrll * vendors' AP's. When there is significant high 759 1.15.2.7 skrll * priority (VI/VO) traffic in the BSS throttle back BE 760 1.15.2.7 skrll * traffic by using conservative parameters. Otherwise 761 1.15.2.7 skrll * BE uses agressive params to optimize performance of 762 1.15.2.7 skrll * legacy/non-QoS traffic. 763 1.15.2.7 skrll */ 764 1.15.2.7 skrll if ((ic->ic_opmode == IEEE80211_M_HOSTAP && 765 1.15.2.7 skrll (wme->wme_flags & WME_F_AGGRMODE) == 0) || 766 1.15.2.7 skrll (ic->ic_opmode != IEEE80211_M_HOSTAP && 767 1.15.2.7 skrll (ic->ic_bss->ni_flags & IEEE80211_NODE_QOS) == 0) || 768 1.15.2.7 skrll (ic->ic_flags & IEEE80211_F_WME) == 0) { 769 1.15.2.7 skrll chanp = &wme->wme_chanParams.cap_wmeParams[WME_AC_BE]; 770 1.15.2.7 skrll bssp = &wme->wme_bssChanParams.cap_wmeParams[WME_AC_BE]; 771 1.15.2.7 skrll 772 1.15.2.7 skrll chanp->wmep_aifsn = bssp->wmep_aifsn = 773 1.15.2.7 skrll phyParam[ic->ic_curmode].aifsn; 774 1.15.2.7 skrll chanp->wmep_logcwmin = bssp->wmep_logcwmin = 775 1.15.2.7 skrll phyParam[ic->ic_curmode].logcwmin; 776 1.15.2.7 skrll chanp->wmep_logcwmax = bssp->wmep_logcwmax = 777 1.15.2.7 skrll phyParam[ic->ic_curmode].logcwmax; 778 1.15.2.7 skrll chanp->wmep_txopLimit = bssp->wmep_txopLimit = 779 1.15.2.7 skrll (ic->ic_caps & IEEE80211_C_BURST) ? 780 1.15.2.7 skrll phyParam[ic->ic_curmode].txopLimit : 0; 781 1.15.2.7 skrll IEEE80211_DPRINTF(ic, IEEE80211_MSG_WME, 782 1.15.2.7 skrll "%s: %s [acm %u aifsn %u log2(cwmin) %u " 783 1.15.2.7 skrll "log2(cwmax) %u txpoLimit %u]\n", __func__ 784 1.15.2.7 skrll , ieee80211_wme_acnames[WME_AC_BE] 785 1.15.2.7 skrll , chanp->wmep_acm 786 1.15.2.7 skrll , chanp->wmep_aifsn 787 1.15.2.7 skrll , chanp->wmep_logcwmin 788 1.15.2.7 skrll , chanp->wmep_logcwmax 789 1.15.2.7 skrll , chanp->wmep_txopLimit 790 1.15.2.7 skrll ); 791 1.15.2.7 skrll } 792 1.15.2.7 skrll 793 1.15.2.7 skrll #ifndef IEEE80211_NO_HOSTAP 794 1.15.2.7 skrll if (ic->ic_opmode == IEEE80211_M_HOSTAP && 795 1.15.2.7 skrll ic->ic_sta_assoc < 2 && (wme->wme_flags & WME_F_AGGRMODE) == 0) { 796 1.15.2.7 skrll static const u_int8_t logCwMin[IEEE80211_MODE_MAX] = { 797 1.15.2.7 skrll 3, /* IEEE80211_MODE_AUTO */ 798 1.15.2.7 skrll 3, /* IEEE80211_MODE_11A */ 799 1.15.2.7 skrll 4, /* IEEE80211_MODE_11B */ 800 1.15.2.7 skrll 3, /* IEEE80211_MODE_11G */ 801 1.15.2.7 skrll 4, /* IEEE80211_MODE_FH */ 802 1.15.2.7 skrll 3, /* IEEE80211_MODE_TURBO_A */ 803 1.15.2.7 skrll 3, /* IEEE80211_MODE_TURBO_G */ 804 1.15.2.7 skrll }; 805 1.15.2.7 skrll chanp = &wme->wme_chanParams.cap_wmeParams[WME_AC_BE]; 806 1.15.2.7 skrll bssp = &wme->wme_bssChanParams.cap_wmeParams[WME_AC_BE]; 807 1.15.2.7 skrll 808 1.15.2.7 skrll chanp->wmep_logcwmin = bssp->wmep_logcwmin = 809 1.15.2.7 skrll logCwMin[ic->ic_curmode]; 810 1.15.2.7 skrll IEEE80211_DPRINTF(ic, IEEE80211_MSG_WME, 811 1.15.2.7 skrll "%s: %s log2(cwmin) %u\n", __func__ 812 1.15.2.7 skrll , ieee80211_wme_acnames[WME_AC_BE] 813 1.15.2.7 skrll , chanp->wmep_logcwmin 814 1.15.2.7 skrll ); 815 1.15.2.7 skrll } 816 1.15.2.7 skrll if (ic->ic_opmode == IEEE80211_M_HOSTAP) { /* XXX ibss? */ 817 1.15.2.7 skrll /* 818 1.15.2.7 skrll * Arrange for a beacon update and bump the parameter 819 1.15.2.7 skrll * set number so associated stations load the new values. 820 1.15.2.7 skrll */ 821 1.15.2.7 skrll wme->wme_bssChanParams.cap_info = 822 1.15.2.7 skrll (wme->wme_bssChanParams.cap_info+1) & WME_QOSINFO_COUNT; 823 1.15.2.7 skrll ic->ic_flags |= IEEE80211_F_WMEUPDATE; 824 1.15.2.7 skrll } 825 1.15.2.7 skrll #endif /* !IEEE80211_NO_HOSTAP */ 826 1.15.2.7 skrll 827 1.15.2.7 skrll wme->wme_update(ic); 828 1.15.2.7 skrll 829 1.15.2.7 skrll IEEE80211_DPRINTF(ic, IEEE80211_MSG_WME, 830 1.15.2.7 skrll "%s: WME params updated, cap_info 0x%x\n", __func__, 831 1.15.2.7 skrll ic->ic_opmode == IEEE80211_M_STA ? 832 1.15.2.7 skrll wme->wme_wmeChanParams.cap_info : 833 1.15.2.7 skrll wme->wme_bssChanParams.cap_info); 834 1.15.2.7 skrll } 835 1.15.2.7 skrll 836 1.15.2.7 skrll void 837 1.15.2.7 skrll ieee80211_wme_updateparams(struct ieee80211com *ic) 838 1.15.2.7 skrll { 839 1.15.2.7 skrll 840 1.15.2.7 skrll if (ic->ic_caps & IEEE80211_C_WME) { 841 1.15.2.7 skrll IEEE80211_BEACON_LOCK(ic); 842 1.15.2.7 skrll ieee80211_wme_updateparams_locked(ic); 843 1.15.2.7 skrll IEEE80211_BEACON_UNLOCK(ic); 844 1.15.2.7 skrll } 845 1.15.2.7 skrll } 846 1.15.2.7 skrll 847 1.15.2.7 skrll #ifndef IEEE80211_NO_HOSTAP 848 1.15.2.7 skrll static void 849 1.15.2.7 skrll sta_disassoc(void *arg, struct ieee80211_node *ni) 850 1.15.2.7 skrll { 851 1.15.2.7 skrll struct ieee80211com *ic = arg; 852 1.15.2.7 skrll 853 1.15.2.7 skrll if (ni->ni_associd != 0) { 854 1.15.2.7 skrll IEEE80211_SEND_MGMT(ic, ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 855 1.15.2.7 skrll IEEE80211_REASON_ASSOC_LEAVE); 856 1.15.2.7 skrll ieee80211_node_leave(ic, ni); 857 1.15.2.7 skrll } 858 1.15.2.7 skrll } 859 1.15.2.7 skrll 860 1.15.2.7 skrll static void 861 1.15.2.7 skrll sta_deauth(void *arg, struct ieee80211_node *ni) 862 1.15.2.7 skrll { 863 1.15.2.7 skrll struct ieee80211com *ic = arg; 864 1.15.2.7 skrll 865 1.15.2.7 skrll IEEE80211_SEND_MGMT(ic, ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 866 1.15.2.7 skrll IEEE80211_REASON_ASSOC_LEAVE); 867 1.15.2.7 skrll } 868 1.15.2.7 skrll #endif /* !IEEE80211_NO_HOSTAP */ 869 1.15.2.7 skrll 870 1.15.2.2 skrll static int 871 1.15.2.7 skrll ieee80211_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg) 872 1.15.2.2 skrll { 873 1.15.2.7 skrll struct ifnet *ifp = ic->ic_ifp; 874 1.15.2.2 skrll struct ieee80211_node *ni; 875 1.15.2.2 skrll enum ieee80211_state ostate; 876 1.15.2.2 skrll 877 1.15.2.2 skrll ostate = ic->ic_state; 878 1.15.2.7 skrll IEEE80211_DPRINTF(ic, IEEE80211_MSG_STATE, "%s: %s -> %s\n", __func__, 879 1.15.2.7 skrll ieee80211_state_name[ostate], ieee80211_state_name[nstate]); 880 1.15.2.2 skrll ic->ic_state = nstate; /* state transition */ 881 1.15.2.2 skrll ni = ic->ic_bss; /* NB: no reference held */ 882 1.15.2.2 skrll switch (nstate) { 883 1.15.2.2 skrll case IEEE80211_S_INIT: 884 1.15.2.2 skrll switch (ostate) { 885 1.15.2.2 skrll case IEEE80211_S_INIT: 886 1.15.2.2 skrll break; 887 1.15.2.2 skrll case IEEE80211_S_RUN: 888 1.15.2.2 skrll switch (ic->ic_opmode) { 889 1.15.2.2 skrll case IEEE80211_M_STA: 890 1.15.2.2 skrll IEEE80211_SEND_MGMT(ic, ni, 891 1.15.2.2 skrll IEEE80211_FC0_SUBTYPE_DISASSOC, 892 1.15.2.2 skrll IEEE80211_REASON_ASSOC_LEAVE); 893 1.15.2.7 skrll ieee80211_sta_leave(ic, ni); 894 1.15.2.2 skrll break; 895 1.15.2.2 skrll case IEEE80211_M_HOSTAP: 896 1.15.2.7 skrll #ifndef IEEE80211_NO_HOSTAP 897 1.15.2.7 skrll ieee80211_iterate_nodes(&ic->ic_sta, 898 1.15.2.7 skrll sta_disassoc, ic); 899 1.15.2.7 skrll #endif /* !IEEE80211_NO_HOSTAP */ 900 1.15.2.2 skrll break; 901 1.15.2.2 skrll default: 902 1.15.2.2 skrll break; 903 1.15.2.2 skrll } 904 1.15.2.7 skrll goto reset; 905 1.15.2.2 skrll case IEEE80211_S_ASSOC: 906 1.15.2.2 skrll switch (ic->ic_opmode) { 907 1.15.2.2 skrll case IEEE80211_M_STA: 908 1.15.2.2 skrll IEEE80211_SEND_MGMT(ic, ni, 909 1.15.2.2 skrll IEEE80211_FC0_SUBTYPE_DEAUTH, 910 1.15.2.2 skrll IEEE80211_REASON_AUTH_LEAVE); 911 1.15.2.2 skrll break; 912 1.15.2.2 skrll case IEEE80211_M_HOSTAP: 913 1.15.2.7 skrll #ifndef IEEE80211_NO_HOSTAP 914 1.15.2.7 skrll ieee80211_iterate_nodes(&ic->ic_sta, 915 1.15.2.7 skrll sta_deauth, ic); 916 1.15.2.7 skrll #endif /* !IEEE80211_NO_HOSTAP */ 917 1.15.2.2 skrll break; 918 1.15.2.2 skrll default: 919 1.15.2.2 skrll break; 920 1.15.2.2 skrll } 921 1.15.2.7 skrll goto reset; 922 1.15.2.2 skrll case IEEE80211_S_SCAN: 923 1.15.2.7 skrll ieee80211_cancel_scan(ic); 924 1.15.2.7 skrll goto reset; 925 1.15.2.7 skrll case IEEE80211_S_AUTH: 926 1.15.2.7 skrll reset: 927 1.15.2.2 skrll ic->ic_mgt_timer = 0; 928 1.15.2.2 skrll IF_PURGE(&ic->ic_mgtq); 929 1.15.2.7 skrll ieee80211_reset_bss(ic); 930 1.15.2.2 skrll break; 931 1.15.2.2 skrll } 932 1.15.2.7 skrll if (ic->ic_auth->ia_detach != NULL) 933 1.15.2.7 skrll ic->ic_auth->ia_detach(ic); 934 1.15.2.2 skrll break; 935 1.15.2.2 skrll case IEEE80211_S_SCAN: 936 1.15.2.2 skrll switch (ostate) { 937 1.15.2.2 skrll case IEEE80211_S_INIT: 938 1.15.2.7 skrll if ((ic->ic_opmode == IEEE80211_M_HOSTAP || 939 1.15.2.7 skrll ic->ic_opmode == IEEE80211_M_IBSS || 940 1.15.2.7 skrll ic->ic_opmode == IEEE80211_M_AHDEMO) && 941 1.15.2.2 skrll ic->ic_des_chan != IEEE80211_CHAN_ANYC) { 942 1.15.2.2 skrll /* 943 1.15.2.2 skrll * AP operation and we already have a channel; 944 1.15.2.2 skrll * bypass the scan and startup immediately. 945 1.15.2.2 skrll */ 946 1.15.2.2 skrll ieee80211_create_ibss(ic, ic->ic_des_chan); 947 1.15.2.2 skrll } else { 948 1.15.2.7 skrll ieee80211_begin_scan(ic, arg); 949 1.15.2.2 skrll } 950 1.15.2.2 skrll break; 951 1.15.2.2 skrll case IEEE80211_S_SCAN: 952 1.15.2.7 skrll /* 953 1.15.2.7 skrll * Scan next. If doing an active scan and the 954 1.15.2.7 skrll * channel is not marked passive-only then send 955 1.15.2.7 skrll * a probe request. Otherwise just listen for 956 1.15.2.7 skrll * beacons on the channel. 957 1.15.2.7 skrll */ 958 1.15.2.7 skrll if ((ic->ic_flags & IEEE80211_F_ASCAN) && 959 1.15.2.8 christos (ic->ic_curchan->ic_flags & IEEE80211_CHAN_PASSIVE) == 0) { 960 1.15.2.8 christos ieee80211_send_probereq(ni, 961 1.15.2.8 christos ic->ic_myaddr, ifp->if_broadcastaddr, 962 1.15.2.8 christos ifp->if_broadcastaddr, 963 1.15.2.8 christos ic->ic_des_essid, ic->ic_des_esslen, 964 1.15.2.8 christos ic->ic_opt_ie, ic->ic_opt_ie_len); 965 1.15.2.2 skrll } 966 1.15.2.2 skrll break; 967 1.15.2.2 skrll case IEEE80211_S_RUN: 968 1.15.2.2 skrll /* beacon miss */ 969 1.15.2.2 skrll IEEE80211_DPRINTF(ic, IEEE80211_MSG_STATE, 970 1.15.2.7 skrll "no recent beacons from %s; rescanning\n", 971 1.15.2.7 skrll ether_sprintf(ic->ic_bss->ni_bssid)); 972 1.15.2.7 skrll ieee80211_sta_leave(ic, ni); 973 1.15.2.7 skrll ic->ic_flags &= ~IEEE80211_F_SIBSS; /* XXX */ 974 1.15.2.2 skrll /* FALLTHRU */ 975 1.15.2.2 skrll case IEEE80211_S_AUTH: 976 1.15.2.2 skrll case IEEE80211_S_ASSOC: 977 1.15.2.2 skrll /* timeout restart scan */ 978 1.15.2.7 skrll ni = ieee80211_find_node(&ic->ic_scan, 979 1.15.2.7 skrll ic->ic_bss->ni_macaddr); 980 1.15.2.2 skrll if (ni != NULL) { 981 1.15.2.2 skrll ni->ni_fails++; 982 1.15.2.7 skrll ieee80211_unref_node(&ni); 983 1.15.2.2 skrll } 984 1.15.2.7 skrll if (ic->ic_roaming == IEEE80211_ROAMING_AUTO) 985 1.15.2.7 skrll ieee80211_begin_scan(ic, arg); 986 1.15.2.2 skrll break; 987 1.15.2.2 skrll } 988 1.15.2.2 skrll break; 989 1.15.2.2 skrll case IEEE80211_S_AUTH: 990 1.15.2.2 skrll switch (ostate) { 991 1.15.2.2 skrll case IEEE80211_S_INIT: 992 1.15.2.2 skrll case IEEE80211_S_SCAN: 993 1.15.2.2 skrll IEEE80211_SEND_MGMT(ic, ni, 994 1.15.2.2 skrll IEEE80211_FC0_SUBTYPE_AUTH, 1); 995 1.15.2.2 skrll break; 996 1.15.2.2 skrll case IEEE80211_S_AUTH: 997 1.15.2.2 skrll case IEEE80211_S_ASSOC: 998 1.15.2.7 skrll switch (arg) { 999 1.15.2.2 skrll case IEEE80211_FC0_SUBTYPE_AUTH: 1000 1.15.2.2 skrll /* ??? */ 1001 1.15.2.2 skrll IEEE80211_SEND_MGMT(ic, ni, 1002 1.15.2.2 skrll IEEE80211_FC0_SUBTYPE_AUTH, 2); 1003 1.15.2.2 skrll break; 1004 1.15.2.2 skrll case IEEE80211_FC0_SUBTYPE_DEAUTH: 1005 1.15.2.2 skrll /* ignore and retry scan on timeout */ 1006 1.15.2.2 skrll break; 1007 1.15.2.2 skrll } 1008 1.15.2.2 skrll break; 1009 1.15.2.2 skrll case IEEE80211_S_RUN: 1010 1.15.2.7 skrll switch (arg) { 1011 1.15.2.2 skrll case IEEE80211_FC0_SUBTYPE_AUTH: 1012 1.15.2.2 skrll IEEE80211_SEND_MGMT(ic, ni, 1013 1.15.2.2 skrll IEEE80211_FC0_SUBTYPE_AUTH, 2); 1014 1.15.2.2 skrll ic->ic_state = ostate; /* stay RUN */ 1015 1.15.2.2 skrll break; 1016 1.15.2.2 skrll case IEEE80211_FC0_SUBTYPE_DEAUTH: 1017 1.15.2.7 skrll ieee80211_sta_leave(ic, ni); 1018 1.15.2.7 skrll if (ic->ic_roaming == IEEE80211_ROAMING_AUTO) { 1019 1.15.2.7 skrll /* try to reauth */ 1020 1.15.2.7 skrll IEEE80211_SEND_MGMT(ic, ni, 1021 1.15.2.7 skrll IEEE80211_FC0_SUBTYPE_AUTH, 1); 1022 1.15.2.7 skrll } 1023 1.15.2.2 skrll break; 1024 1.15.2.2 skrll } 1025 1.15.2.2 skrll break; 1026 1.15.2.2 skrll } 1027 1.15.2.2 skrll break; 1028 1.15.2.2 skrll case IEEE80211_S_ASSOC: 1029 1.15.2.2 skrll switch (ostate) { 1030 1.15.2.2 skrll case IEEE80211_S_INIT: 1031 1.15.2.2 skrll case IEEE80211_S_SCAN: 1032 1.15.2.2 skrll case IEEE80211_S_ASSOC: 1033 1.15.2.2 skrll IEEE80211_DPRINTF(ic, IEEE80211_MSG_ANY, 1034 1.15.2.7 skrll "%s: invalid transition\n", __func__); 1035 1.15.2.2 skrll break; 1036 1.15.2.2 skrll case IEEE80211_S_AUTH: 1037 1.15.2.2 skrll IEEE80211_SEND_MGMT(ic, ni, 1038 1.15.2.2 skrll IEEE80211_FC0_SUBTYPE_ASSOC_REQ, 0); 1039 1.15.2.2 skrll break; 1040 1.15.2.2 skrll case IEEE80211_S_RUN: 1041 1.15.2.7 skrll ieee80211_sta_leave(ic, ni); 1042 1.15.2.7 skrll if (ic->ic_roaming == IEEE80211_ROAMING_AUTO) { 1043 1.15.2.7 skrll IEEE80211_SEND_MGMT(ic, ni, 1044 1.15.2.7 skrll IEEE80211_FC0_SUBTYPE_ASSOC_REQ, 1); 1045 1.15.2.7 skrll } 1046 1.15.2.2 skrll break; 1047 1.15.2.2 skrll } 1048 1.15.2.2 skrll break; 1049 1.15.2.2 skrll case IEEE80211_S_RUN: 1050 1.15.2.7 skrll if (ic->ic_flags & IEEE80211_F_WPA) { 1051 1.15.2.7 skrll /* XXX validate prerequisites */ 1052 1.15.2.7 skrll } 1053 1.15.2.2 skrll switch (ostate) { 1054 1.15.2.2 skrll case IEEE80211_S_INIT: 1055 1.15.2.7 skrll if (ic->ic_opmode == IEEE80211_M_MONITOR) 1056 1.15.2.7 skrll break; 1057 1.15.2.7 skrll /* fall thru... */ 1058 1.15.2.2 skrll case IEEE80211_S_AUTH: 1059 1.15.2.2 skrll IEEE80211_DPRINTF(ic, IEEE80211_MSG_ANY, 1060 1.15.2.7 skrll "%s: invalid transition\n", __func__); 1061 1.15.2.7 skrll /* fall thru... */ 1062 1.15.2.7 skrll case IEEE80211_S_RUN: 1063 1.15.2.2 skrll break; 1064 1.15.2.2 skrll case IEEE80211_S_SCAN: /* adhoc/hostap mode */ 1065 1.15.2.2 skrll case IEEE80211_S_ASSOC: /* infra mode */ 1066 1.15.2.2 skrll IASSERT(ni->ni_txrate < ni->ni_rates.rs_nrates, 1067 1.15.2.7 skrll ("%s: bogus xmit rate %u setup\n", __func__, 1068 1.15.2.2 skrll ni->ni_txrate)); 1069 1.15.2.2 skrll #ifdef IEEE80211_DEBUG 1070 1.15.2.2 skrll if (ieee80211_msg_debug(ic)) { 1071 1.15.2.2 skrll if (ic->ic_opmode == IEEE80211_M_STA) 1072 1.15.2.7 skrll if_printf(ifp, "associated "); 1073 1.15.2.2 skrll else 1074 1.15.2.7 skrll if_printf(ifp, "synchronized "); 1075 1.15.2.2 skrll printf("with %s ssid ", 1076 1.15.2.2 skrll ether_sprintf(ni->ni_bssid)); 1077 1.15.2.2 skrll ieee80211_print_essid(ic->ic_bss->ni_essid, 1078 1.15.2.2 skrll ni->ni_esslen); 1079 1.15.2.2 skrll printf(" channel %d start %uMb\n", 1080 1.15.2.8 christos ieee80211_chan2ieee(ic, ic->ic_curchan), 1081 1.15.2.2 skrll IEEE80211_RATE2MBS(ni->ni_rates.rs_rates[ni->ni_txrate])); 1082 1.15.2.2 skrll } 1083 1.15.2.2 skrll #endif 1084 1.15.2.2 skrll ic->ic_mgt_timer = 0; 1085 1.15.2.7 skrll if (ic->ic_opmode == IEEE80211_M_STA) 1086 1.15.2.7 skrll ieee80211_notify_node_join(ic, ni, 1087 1.15.2.7 skrll arg == IEEE80211_FC0_SUBTYPE_ASSOC_RESP); 1088 1.15.2.7 skrll (*ifp->if_start)(ifp); /* XXX not authorized yet */ 1089 1.15.2.2 skrll break; 1090 1.15.2.2 skrll } 1091 1.15.2.7 skrll /* 1092 1.15.2.7 skrll * Start/stop the authenticator when operating as an 1093 1.15.2.7 skrll * AP. We delay until here to allow configuration to 1094 1.15.2.7 skrll * happen out of order. 1095 1.15.2.7 skrll */ 1096 1.15.2.7 skrll if (ic->ic_opmode == IEEE80211_M_HOSTAP && /* XXX IBSS/AHDEMO */ 1097 1.15.2.7 skrll ic->ic_auth->ia_attach != NULL) { 1098 1.15.2.7 skrll /* XXX check failure */ 1099 1.15.2.7 skrll ic->ic_auth->ia_attach(ic); 1100 1.15.2.7 skrll } else if (ic->ic_auth->ia_detach != NULL) { 1101 1.15.2.7 skrll ic->ic_auth->ia_detach(ic); 1102 1.15.2.7 skrll } 1103 1.15.2.7 skrll /* 1104 1.15.2.7 skrll * When 802.1x is not in use mark the port authorized 1105 1.15.2.7 skrll * at this point so traffic can flow. 1106 1.15.2.7 skrll */ 1107 1.15.2.7 skrll if (ni->ni_authmode != IEEE80211_AUTH_8021X) 1108 1.15.2.8 christos ieee80211_node_authorize(ni); 1109 1.15.2.7 skrll /* 1110 1.15.2.7 skrll * Enable inactivity processing. 1111 1.15.2.7 skrll * XXX 1112 1.15.2.7 skrll */ 1113 1.15.2.7 skrll ic->ic_scan.nt_inact_timer = IEEE80211_INACT_WAIT; 1114 1.15.2.7 skrll ic->ic_sta.nt_inact_timer = IEEE80211_INACT_WAIT; 1115 1.15.2.2 skrll break; 1116 1.15.2.2 skrll } 1117 1.15.2.2 skrll return 0; 1118 1.15.2.2 skrll } 1119
Indexes created Thu Oct 02 14:10:14 GMT 2025