ieee80211_netbsd.c revision 1.31.2.6
1 1.31.2.6 phil /* $NetBSD: ieee80211_netbsd.c,v 1.31.2.6 2018/08/03 19:47:25 phil Exp $ */ 2 1.31.2.2 phil 3 1.31.2.1 phil /*- 4 1.31.2.1 phil * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 5 1.31.2.1 phil * 6 1.31.2.1 phil * Copyright (c) 2003-2009 Sam Leffler, Errno Consulting 7 1.1 dyoung * All rights reserved. 8 1.1 dyoung * 9 1.1 dyoung * Redistribution and use in source and binary forms, with or without 10 1.1 dyoung * modification, are permitted provided that the following conditions 11 1.1 dyoung * are met: 12 1.1 dyoung * 1. Redistributions of source code must retain the above copyright 13 1.1 dyoung * notice, this list of conditions and the following disclaimer. 14 1.1 dyoung * 2. Redistributions in binary form must reproduce the above copyright 15 1.1 dyoung * notice, this list of conditions and the following disclaimer in the 16 1.1 dyoung * documentation and/or other materials provided with the distribution. 17 1.1 dyoung * 18 1.1 dyoung * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 1.1 dyoung * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 1.1 dyoung * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 1.1 dyoung * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 1.1 dyoung * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 1.1 dyoung * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 1.1 dyoung * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 1.1 dyoung * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 1.1 dyoung * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 1.1 dyoung * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 1.1 dyoung */ 29 1.1 dyoung 30 1.1 dyoung #include <sys/cdefs.h> 31 1.31.2.2 phil /* __FBSDID("$FreeBSD$"); */ 32 1.31.2.6 phil __KERNEL_RCSID(0, "$NetBSD: ieee80211_netbsd.c,v 1.31.2.6 2018/08/03 19:47:25 phil Exp $"); 33 1.1 dyoung 34 1.1 dyoung /* 35 1.31.2.2 phil * IEEE 802.11 support (NetBSD-specific code) 36 1.1 dyoung */ 37 1.31.2.2 phil 38 1.31.2.1 phil #include "opt_wlan.h" 39 1.31.2.1 phil 40 1.31.2.2 phil #include <sys/atomic.h> 41 1.1 dyoung #include <sys/param.h> 42 1.31.2.1 phil #include <sys/systm.h> 43 1.1 dyoung #include <sys/kernel.h> 44 1.31.2.1 phil #include <sys/malloc.h> 45 1.31.2.1 phil #include <sys/mbuf.h> 46 1.31.2.1 phil #include <sys/module.h> 47 1.1 dyoung #include <sys/proc.h> 48 1.1 dyoung #include <sys/sysctl.h> 49 1.31.2.2 phil #include <sys/syslog.h> 50 1.1 dyoung 51 1.1 dyoung #include <sys/socket.h> 52 1.1 dyoung 53 1.31.2.1 phil #include <net/bpf.h> 54 1.1 dyoung #include <net/if.h> 55 1.31.2.1 phil #include <net/if_dl.h> 56 1.31.2.2 phil #include <net/if_ether.h> 57 1.1 dyoung #include <net/if_media.h> 58 1.31.2.1 phil #include <net/if_types.h> 59 1.1 dyoung #include <net/route.h> 60 1.1 dyoung 61 1.1 dyoung #include <net80211/ieee80211_var.h> 62 1.31.2.1 phil #include <net80211/ieee80211_input.h> 63 1.1 dyoung 64 1.31.2.4 phil static const struct sysctlnode * 65 1.31.2.4 phil ieee80211_sysctl_treetop(struct sysctllog **log); 66 1.31.2.4 phil static void ieee80211_sysctl_setup(void); 67 1.31.2.4 phil 68 1.31.2.4 phil /* NNN in .h file? */ 69 1.31.2.4 phil #define SYSCTL_HANDLER_ARGS SYSCTLFN_ARGS 70 1.26 pooka 71 1.1 dyoung #ifdef IEEE80211_DEBUG 72 1.31.2.1 phil static int ieee80211_debug = 0; 73 1.1 dyoung #endif 74 1.1 dyoung 75 1.31.2.4 phil #ifdef notyet 76 1.31.2.3 phil static struct if_clone *wlan_cloner; 77 1.31.2.3 phil #endif 78 1.31.2.3 phil /* notyet */ 79 1.8 skrll 80 1.31.2.1 phil static const char wlanname[] = "wlan"; 81 1.8 skrll 82 1.31.2.4 phil int 83 1.31.2.4 phil ieee80211_init0(void) 84 1.31.2.4 phil { 85 1.31.2.4 phil ieee80211_sysctl_setup(); 86 1.31.2.4 phil return 0; 87 1.31.2.4 phil } 88 1.31.2.4 phil 89 1.31.2.5 phil /* 90 1.31.2.6 phil * "taskqueue" support for doing FreeBSD style taskqueue operations using 91 1.31.2.6 phil * NetBSD's workqueue to do the actual function calls for the work. 92 1.31.2.6 phil * Many features of the FreeBSD taskqueue are not implemented. This should 93 1.31.2.6 phil * be enough features for the 802.11 stack to run its tasks and time delayed 94 1.31.2.6 phil * tasks. 95 1.31.2.5 phil */ 96 1.31.2.6 phil 97 1.31.2.6 phil void 98 1.31.2.6 phil ieee80211_runwork(struct work *work2do, void *arg) 99 1.31.2.5 phil { 100 1.31.2.5 phil struct task *work_task = (struct task *) work2do; 101 1.31.2.6 phil #ifdef IEEE80211_DEBUG 102 1.31.2.6 phil printf ("runwork: %s (t_arg is 0x%lx)\n", 103 1.31.2.6 phil work_task->t_func_name, (long)work_task->t_arg); 104 1.31.2.6 phil #endif 105 1.31.2.5 phil mutex_enter(&work_task->t_mutex); 106 1.31.2.5 phil work_task->t_onqueue = 0; 107 1.31.2.5 phil mutex_exit(&work_task->t_mutex); 108 1.31.2.5 phil 109 1.31.2.5 phil work_task->t_func(work_task->t_arg, 0); 110 1.31.2.5 phil } 111 1.31.2.5 phil 112 1.31.2.6 phil void 113 1.31.2.6 phil taskqueue_enqueue(struct workqueue *wq, struct task *task_item) 114 1.31.2.5 phil { 115 1.31.2.5 phil mutex_enter(&task_item->t_mutex); 116 1.31.2.5 phil if (!task_item->t_onqueue) { 117 1.31.2.6 phil printf ("taskqueue_enqueue function %s\n", task_item->t_func_name); 118 1.31.2.5 phil workqueue_enqueue(wq, &task_item->t_work, NULL); 119 1.31.2.5 phil task_item->t_onqueue = 1; 120 1.31.2.5 phil } 121 1.31.2.5 phil mutex_exit(&task_item->t_mutex); 122 1.31.2.5 phil } 123 1.31.2.5 phil 124 1.31.2.6 phil void 125 1.31.2.6 phil taskqueue_drain(struct workqueue *wq, struct task *task_item) 126 1.31.2.5 phil { 127 1.31.2.5 phil printf ("taskqueue_drain called\n"); 128 1.31.2.5 phil workqueue_wait(wq, &task_item->t_work); 129 1.31.2.5 phil } 130 1.31.2.5 phil 131 1.31.2.6 phil static void 132 1.31.2.6 phil taskqueue_callout_enqueue(void *arg) 133 1.31.2.6 phil { 134 1.31.2.6 phil struct timeout_task *timeout_task = arg; 135 1.31.2.6 phil mutex_enter(&timeout_task->to_task.t_mutex); 136 1.31.2.6 phil timeout_task->to_scheduled = 0; 137 1.31.2.6 phil mutex_exit(&timeout_task->to_task.t_mutex); 138 1.31.2.6 phil 139 1.31.2.6 phil taskqueue_enqueue(timeout_task->to_wq, (struct task*) timeout_task); 140 1.31.2.6 phil } 141 1.31.2.6 phil 142 1.31.2.6 phil int 143 1.31.2.6 phil taskqueue_enqueue_timeout(struct workqueue *queue, 144 1.31.2.6 phil struct timeout_task *timeout_task, int nticks) 145 1.31.2.6 phil { 146 1.31.2.6 phil mutex_enter(&timeout_task->to_task.t_mutex); 147 1.31.2.6 phil if (!timeout_task->to_scheduled) { 148 1.31.2.6 phil printf ("taskqueue_enqueue_timeout: Scheduling the function %s.\n", 149 1.31.2.6 phil timeout_task->to_task.t_func_name); 150 1.31.2.6 phil callout_reset(&timeout_task->to_callout, nticks, 151 1.31.2.6 phil taskqueue_callout_enqueue, timeout_task); 152 1.31.2.6 phil timeout_task->to_scheduled = 1; 153 1.31.2.6 phil } 154 1.31.2.6 phil mutex_exit(&timeout_task->to_task.t_mutex); 155 1.31.2.6 phil 156 1.31.2.6 phil return -1; 157 1.31.2.6 phil } 158 1.31.2.6 phil 159 1.31.2.6 phil int 160 1.31.2.6 phil taskqueue_cancel_timeout(struct workqueue *queue, 161 1.31.2.6 phil struct timeout_task *timeout_task, u_int *pendp) 162 1.31.2.6 phil { 163 1.31.2.6 phil printf ("taskqueue_cancel_timeout called\n"); 164 1.31.2.6 phil return -1; 165 1.31.2.6 phil } 166 1.31.2.6 phil 167 1.31.2.6 phil void 168 1.31.2.6 phil taskqueue_drain_timeout(struct workqueue *queue, 169 1.31.2.6 phil struct timeout_task *timeout_task) 170 1.31.2.6 phil { 171 1.31.2.6 phil printf ("taskqueue_drain_timeout called\n"); 172 1.31.2.6 phil } 173 1.31.2.6 phil 174 1.31.2.5 phil 175 1.31.2.3 phil static __unused int 176 1.31.2.3 phil wlan_clone_create(struct if_clone *ifc, int unit, void * params) 177 1.8 skrll { 178 1.31.2.1 phil struct ieee80211_clone_params cp; 179 1.31.2.1 phil struct ieee80211vap *vap; 180 1.31.2.1 phil struct ieee80211com *ic; 181 1.31.2.1 phil int error; 182 1.8 skrll 183 1.31.2.1 phil error = copyin(params, &cp, sizeof(cp)); 184 1.31.2.1 phil if (error) 185 1.31.2.1 phil return error; 186 1.31.2.1 phil ic = ieee80211_find_com(cp.icp_parent); 187 1.31.2.1 phil if (ic == NULL) 188 1.31.2.1 phil return ENXIO; 189 1.31.2.1 phil if (cp.icp_opmode >= IEEE80211_OPMODE_MAX) { 190 1.31.2.1 phil ic_printf(ic, "%s: invalid opmode %d\n", __func__, 191 1.31.2.1 phil cp.icp_opmode); 192 1.31.2.1 phil return EINVAL; 193 1.31.2.1 phil } 194 1.31.2.1 phil if ((ic->ic_caps & ieee80211_opcap[cp.icp_opmode]) == 0) { 195 1.31.2.1 phil ic_printf(ic, "%s mode not supported\n", 196 1.31.2.1 phil ieee80211_opmode_name[cp.icp_opmode]); 197 1.31.2.1 phil return EOPNOTSUPP; 198 1.31.2.1 phil } 199 1.31.2.1 phil if ((cp.icp_flags & IEEE80211_CLONE_TDMA) && 200 1.31.2.1 phil #ifdef IEEE80211_SUPPORT_TDMA 201 1.31.2.1 phil (ic->ic_caps & IEEE80211_C_TDMA) == 0 202 1.31.2.1 phil #else 203 1.31.2.1 phil (1) 204 1.31.2.1 phil #endif 205 1.31.2.1 phil ) { 206 1.31.2.1 phil ic_printf(ic, "TDMA not supported\n"); 207 1.31.2.1 phil return EOPNOTSUPP; 208 1.31.2.1 phil } 209 1.31.2.1 phil vap = ic->ic_vap_create(ic, wlanname, unit, 210 1.31.2.1 phil cp.icp_opmode, cp.icp_flags, cp.icp_bssid, 211 1.31.2.1 phil cp.icp_flags & IEEE80211_CLONE_MACADDR ? 212 1.31.2.1 phil cp.icp_macaddr : ic->ic_macaddr); 213 1.26 pooka 214 1.31.2.1 phil return (vap == NULL ? EIO : 0); 215 1.31.2.1 phil } 216 1.22 matt 217 1.31.2.3 phil static __unused void 218 1.31.2.1 phil wlan_clone_destroy(struct ifnet *ifp) 219 1.31.2.1 phil { 220 1.31.2.1 phil struct ieee80211vap *vap = ifp->if_softc; 221 1.31.2.1 phil struct ieee80211com *ic = vap->iv_ic; 222 1.12 yamt 223 1.31.2.1 phil ic->ic_vap_delete(vap); 224 1.8 skrll } 225 1.8 skrll 226 1.10 thorpej void 227 1.31.2.1 phil ieee80211_vap_destroy(struct ieee80211vap *vap) 228 1.10 thorpej { 229 1.31.2.2 phil #ifdef notyet 230 1.31.2.1 phil CURVNET_SET(vap->iv_ifp->if_vnet); 231 1.31.2.1 phil if_clone_destroyif(wlan_cloner, vap->iv_ifp); 232 1.31.2.1 phil CURVNET_RESTORE(); 233 1.31.2.2 phil #else 234 1.31.2.3 phil printf ("vap_destroy called ... what next?\n"); 235 1.31.2.2 phil #endif 236 1.10 thorpej } 237 1.10 thorpej 238 1.31.2.2 phil #ifdef notyet 239 1.31.2.1 phil int 240 1.31.2.1 phil ieee80211_sysctl_msecs_ticks(SYSCTL_HANDLER_ARGS) 241 1.1 dyoung { 242 1.31.2.1 phil int msecs = ticks_to_msecs(*(int *)arg1); 243 1.2 dyoung int error, t; 244 1.30 maxv 245 1.31.2.1 phil error = sysctl_handle_int(oidp, &msecs, 0, req); 246 1.31.2.1 phil if (error || !req->newptr) 247 1.30 maxv return error; 248 1.31.2.1 phil t = msecs_to_ticks(msecs); 249 1.31.2.1 phil *(int *)arg1 = (t < 1) ? 1 : t; 250 1.30 maxv return 0; 251 1.1 dyoung } 252 1.1 dyoung 253 1.1 dyoung static int 254 1.31.2.1 phil ieee80211_sysctl_inact(SYSCTL_HANDLER_ARGS) 255 1.1 dyoung { 256 1.31.2.1 phil int inact = (*(int *)arg1) * IEEE80211_INACT_WAIT; 257 1.31.2.1 phil int error; 258 1.2 dyoung 259 1.31.2.1 phil error = sysctl_handle_int(oidp, &inact, 0, req); 260 1.31.2.1 phil if (error || !req->newptr) 261 1.31.2.1 phil return error; 262 1.31.2.1 phil *(int *)arg1 = inact / IEEE80211_INACT_WAIT; 263 1.31.2.1 phil return 0; 264 1.2 dyoung } 265 1.31.2.4 phil #endif 266 1.2 dyoung 267 1.31.2.1 phil static int 268 1.31.2.4 phil ieee80211_sysctl_parent(SYSCTLFN_ARGS) 269 1.2 dyoung { 270 1.31.2.4 phil struct ieee80211vap *vap; 271 1.31.2.4 phil char pname[IFNAMSIZ]; 272 1.31.2.4 phil struct sysctlnode node; 273 1.2 dyoung 274 1.31.2.4 phil node = *rnode; 275 1.31.2.4 phil vap = node.sysctl_data; 276 1.31.2.4 phil strlcpy(pname, vap->iv_ifp->if_xname, IFNAMSIZ); 277 1.31.2.4 phil node.sysctl_data = pname; 278 1.31.2.4 phil return sysctl_lookup(SYSCTLFN_CALL(&node)); 279 1.1 dyoung } 280 1.1 dyoung 281 1.31.2.4 phil #ifdef notyet 282 1.31.2.1 phil static int 283 1.31.2.1 phil ieee80211_sysctl_radar(SYSCTL_HANDLER_ARGS) 284 1.1 dyoung { 285 1.31.2.1 phil struct ieee80211com *ic = arg1; 286 1.31.2.1 phil int t = 0, error; 287 1.1 dyoung 288 1.31.2.1 phil error = sysctl_handle_int(oidp, &t, 0, req); 289 1.31.2.1 phil if (error || !req->newptr) 290 1.31.2.1 phil return error; 291 1.31.2.1 phil IEEE80211_LOCK(ic); 292 1.31.2.1 phil ieee80211_dfs_notify_radar(ic, ic->ic_curchan); 293 1.31.2.1 phil IEEE80211_UNLOCK(ic); 294 1.31.2.1 phil return 0; 295 1.2 dyoung } 296 1.2 dyoung 297 1.2 dyoung /* 298 1.31.2.1 phil * For now, just restart everything. 299 1.2 dyoung * 300 1.31.2.1 phil * Later on, it'd be nice to have a separate VAP restart to 301 1.31.2.1 phil * full-device restart. 302 1.30 maxv */ 303 1.31.2.1 phil static int 304 1.31.2.1 phil ieee80211_sysctl_vap_restart(SYSCTL_HANDLER_ARGS) 305 1.2 dyoung { 306 1.31.2.1 phil struct ieee80211vap *vap = arg1; 307 1.31.2.1 phil int t = 0, error; 308 1.1 dyoung 309 1.31.2.1 phil error = sysctl_handle_int(oidp, &t, 0, req); 310 1.31.2.1 phil if (error || !req->newptr) 311 1.31.2.1 phil return error; 312 1.2 dyoung 313 1.31.2.1 phil ieee80211_restart_all(vap->iv_ic); 314 1.31.2.1 phil return 0; 315 1.2 dyoung } 316 1.31.2.2 phil #endif /* notyet */ 317 1.2 dyoung 318 1.31.2.1 phil void 319 1.31.2.1 phil ieee80211_sysctl_attach(struct ieee80211com *ic) 320 1.31.2.1 phil { 321 1.2 dyoung } 322 1.2 dyoung 323 1.31.2.1 phil void 324 1.31.2.1 phil ieee80211_sysctl_detach(struct ieee80211com *ic) 325 1.2 dyoung { 326 1.2 dyoung } 327 1.2 dyoung 328 1.31.2.4 phil /* 329 1.31.2.4 phil * Setup sysctl(3) MIB, net.ieee80211.* 330 1.31.2.4 phil * 331 1.31.2.4 phil * TBD condition CTLFLAG_PERMANENT on being a module or not 332 1.31.2.4 phil */ 333 1.31.2.4 phil static struct sysctllog *ieee80211_sysctllog; 334 1.31.2.4 phil static void 335 1.31.2.4 phil ieee80211_sysctl_setup(void) 336 1.31.2.4 phil { 337 1.31.2.4 phil int rc; 338 1.31.2.4 phil const struct sysctlnode *rnode; 339 1.31.2.4 phil 340 1.31.2.4 phil if ((rnode = ieee80211_sysctl_treetop(&ieee80211_sysctllog)) == NULL) 341 1.31.2.4 phil return; 342 1.31.2.4 phil 343 1.31.2.4 phil #ifdef notyet 344 1.31.2.4 phil if ((rc = sysctl_createv(&ieee80211_sysctllog, 0, &rnode, NULL, 345 1.31.2.4 phil CTLFLAG_PERMANENT, CTLTYPE_NODE, "nodes", "client/peer stations", 346 1.31.2.4 phil ieee80211_sysctl_node, 0, NULL, 0, CTL_CREATE, CTL_EOL)) != 0) 347 1.31.2.4 phil goto err; 348 1.31.2.4 phil #endif 349 1.31.2.4 phil 350 1.31.2.4 phil #ifdef IEEE80211_DEBUG 351 1.31.2.4 phil /* control debugging printfs */ 352 1.31.2.4 phil if ((rc = sysctl_createv(&ieee80211_sysctllog, 0, &rnode, NULL, 353 1.31.2.4 phil CTLFLAG_PERMANENT|CTLFLAG_READWRITE, CTLTYPE_INT, 354 1.31.2.4 phil "debug", SYSCTL_DESCR("control debugging printfs"), 355 1.31.2.4 phil NULL, 0, &ieee80211_debug, 0, CTL_CREATE, CTL_EOL)) != 0) 356 1.31.2.4 phil goto err; 357 1.31.2.4 phil #endif 358 1.31.2.4 phil 359 1.31.2.4 phil #ifdef notyet 360 1.31.2.4 phil ieee80211_rssadapt_sysctl_setup(&ieee80211_sysctllog); 361 1.31.2.4 phil #endif 362 1.31.2.4 phil 363 1.31.2.4 phil return; 364 1.31.2.4 phil err: 365 1.31.2.4 phil printf("%s: sysctl_createv failed (rc = %d)\n", __func__, rc); 366 1.31.2.4 phil } 367 1.31.2.4 phil 368 1.31.2.4 phil /* 369 1.31.2.4 phil * Create or get top of sysctl tree net.link.ieee80211. 370 1.31.2.4 phil */ 371 1.31.2.4 phil static const struct sysctlnode * 372 1.31.2.4 phil ieee80211_sysctl_treetop(struct sysctllog **log) 373 1.31.2.4 phil { 374 1.31.2.4 phil int rc; 375 1.31.2.4 phil const struct sysctlnode *rnode; 376 1.31.2.4 phil 377 1.31.2.4 phil if ((rc = sysctl_createv(log, 0, NULL, &rnode, 378 1.31.2.4 phil CTLFLAG_PERMANENT, CTLTYPE_NODE, "link", 379 1.31.2.4 phil "link-layer statistics and controls", 380 1.31.2.4 phil NULL, 0, NULL, 0, CTL_NET, PF_LINK, CTL_EOL)) != 0) 381 1.31.2.4 phil goto err; 382 1.31.2.4 phil 383 1.31.2.4 phil if ((rc = sysctl_createv(log, 0, &rnode, &rnode, 384 1.31.2.4 phil CTLFLAG_PERMANENT, CTLTYPE_NODE, "ieee80211", 385 1.31.2.4 phil "IEEE 802.11 WLAN statistics and controls", 386 1.31.2.4 phil NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL)) != 0) 387 1.31.2.4 phil goto err; 388 1.31.2.4 phil 389 1.31.2.4 phil return rnode; 390 1.31.2.4 phil err: 391 1.31.2.4 phil printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc); 392 1.31.2.4 phil return NULL; 393 1.31.2.4 phil } 394 1.31.2.4 phil 395 1.31.2.1 phil void 396 1.31.2.1 phil ieee80211_sysctl_vattach(struct ieee80211vap *vap) 397 1.2 dyoung { 398 1.31.2.4 phil int rc; 399 1.31.2.4 phil const struct sysctlnode *cnode, *rnode; 400 1.31.2.4 phil char num[sizeof("vap") + 14]; /* sufficient for 32 bits */ 401 1.31.2.4 phil 402 1.31.2.4 phil if ((rnode = ieee80211_sysctl_treetop(NULL)) == NULL) 403 1.31.2.4 phil return; 404 1.31.2.4 phil 405 1.31.2.4 phil snprintf(num, sizeof(num), "vap%u", vap->iv_ifp->if_index); 406 1.31.2.4 phil 407 1.31.2.4 phil if ((rc = sysctl_createv(&vap->iv_sysctllog, 0, &rnode, &rnode, 408 1.31.2.4 phil CTLFLAG_PERMANENT, CTLTYPE_NODE, num, SYSCTL_DESCR("virtual AP"), 409 1.31.2.4 phil NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL)) != 0) 410 1.31.2.4 phil goto err; 411 1.31.2.4 phil 412 1.31.2.4 phil /* control debugging printfs */ 413 1.31.2.4 phil if ((rc = sysctl_createv(&vap->iv_sysctllog, 0, &rnode, &cnode, 414 1.31.2.4 phil CTLFLAG_PERMANENT|CTLFLAG_READONLY, CTLTYPE_STRING, 415 1.31.2.4 phil "parent", SYSCTL_DESCR("parent device"), 416 1.31.2.4 phil ieee80211_sysctl_parent, 0, (void *)vap, IFNAMSIZ, 417 1.31.2.4 phil CTL_CREATE, CTL_EOL)) != 0) 418 1.31.2.4 phil goto err; 419 1.31.2.4 phil 420 1.31.2.4 phil 421 1.31.2.2 phil #ifdef notyet 422 1.31.2.1 phil struct ifnet *ifp = vap->iv_ifp; 423 1.31.2.1 phil struct sysctl_ctx_list *ctx; 424 1.31.2.1 phil struct sysctl_oid *oid; 425 1.31.2.1 phil char num[14]; /* sufficient for 32 bits */ 426 1.31.2.1 phil 427 1.31.2.1 phil ctx = (struct sysctl_ctx_list *) IEEE80211_MALLOC(sizeof(struct sysctl_ctx_list), 428 1.31.2.1 phil M_DEVBUF, IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 429 1.31.2.1 phil if (ctx == NULL) { 430 1.31.2.1 phil if_printf(ifp, "%s: cannot allocate sysctl context!\n", 431 1.31.2.1 phil __func__); 432 1.2 dyoung return; 433 1.31.2.1 phil } 434 1.31.2.1 phil sysctl_ctx_init(ctx); 435 1.31.2.1 phil snprintf(num, sizeof(num), "%u", ifp->if_dunit); 436 1.31.2.1 phil oid = SYSCTL_ADD_NODE(ctx, &SYSCTL_NODE_CHILDREN(_net, wlan), 437 1.31.2.1 phil OID_AUTO, num, CTLFLAG_RD, NULL, ""); 438 1.31.2.1 phil SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 439 1.31.2.1 phil "%parent", CTLTYPE_STRING | CTLFLAG_RD, vap->iv_ic, 0, 440 1.31.2.1 phil ieee80211_sysctl_parent, "A", "parent device"); 441 1.31.2.1 phil SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 442 1.31.2.1 phil "driver_caps", CTLFLAG_RW, &vap->iv_caps, 0, 443 1.31.2.1 phil "driver capabilities"); 444 1.2 dyoung #ifdef IEEE80211_DEBUG 445 1.31.2.1 phil vap->iv_debug = ieee80211_debug; 446 1.31.2.1 phil SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 447 1.31.2.1 phil "debug", CTLFLAG_RW, &vap->iv_debug, 0, 448 1.31.2.1 phil "control debugging printfs"); 449 1.30 maxv #endif 450 1.31.2.1 phil SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 451 1.31.2.1 phil "bmiss_max", CTLFLAG_RW, &vap->iv_bmiss_max, 0, 452 1.31.2.1 phil "consecutive beacon misses before scanning"); 453 1.31.2.1 phil /* XXX inherit from tunables */ 454 1.31.2.1 phil SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 455 1.31.2.1 phil "inact_run", CTLTYPE_INT | CTLFLAG_RW, &vap->iv_inact_run, 0, 456 1.31.2.1 phil ieee80211_sysctl_inact, "I", 457 1.31.2.1 phil "station inactivity timeout (sec)"); 458 1.31.2.1 phil SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 459 1.31.2.1 phil "inact_probe", CTLTYPE_INT | CTLFLAG_RW, &vap->iv_inact_probe, 0, 460 1.31.2.1 phil ieee80211_sysctl_inact, "I", 461 1.31.2.1 phil "station inactivity probe timeout (sec)"); 462 1.31.2.1 phil SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 463 1.31.2.1 phil "inact_auth", CTLTYPE_INT | CTLFLAG_RW, &vap->iv_inact_auth, 0, 464 1.31.2.1 phil ieee80211_sysctl_inact, "I", 465 1.31.2.1 phil "station authentication timeout (sec)"); 466 1.31.2.1 phil SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 467 1.31.2.1 phil "inact_init", CTLTYPE_INT | CTLFLAG_RW, &vap->iv_inact_init, 0, 468 1.31.2.1 phil ieee80211_sysctl_inact, "I", 469 1.31.2.1 phil "station initial state timeout (sec)"); 470 1.31.2.1 phil if (vap->iv_htcaps & IEEE80211_HTC_HT) { 471 1.31.2.1 phil SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 472 1.31.2.1 phil "ampdu_mintraffic_bk", CTLFLAG_RW, 473 1.31.2.1 phil &vap->iv_ampdu_mintraffic[WME_AC_BK], 0, 474 1.31.2.1 phil "BK traffic tx aggr threshold (pps)"); 475 1.31.2.1 phil SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 476 1.31.2.1 phil "ampdu_mintraffic_be", CTLFLAG_RW, 477 1.31.2.1 phil &vap->iv_ampdu_mintraffic[WME_AC_BE], 0, 478 1.31.2.1 phil "BE traffic tx aggr threshold (pps)"); 479 1.31.2.1 phil SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 480 1.31.2.1 phil "ampdu_mintraffic_vo", CTLFLAG_RW, 481 1.31.2.1 phil &vap->iv_ampdu_mintraffic[WME_AC_VO], 0, 482 1.31.2.1 phil "VO traffic tx aggr threshold (pps)"); 483 1.31.2.1 phil SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 484 1.31.2.1 phil "ampdu_mintraffic_vi", CTLFLAG_RW, 485 1.31.2.1 phil &vap->iv_ampdu_mintraffic[WME_AC_VI], 0, 486 1.31.2.1 phil "VI traffic tx aggr threshold (pps)"); 487 1.31.2.1 phil } 488 1.31.2.1 phil 489 1.31.2.1 phil SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 490 1.31.2.1 phil "force_restart", CTLTYPE_INT | CTLFLAG_RW, vap, 0, 491 1.31.2.1 phil ieee80211_sysctl_vap_restart, "I", 492 1.31.2.1 phil "force a VAP restart"); 493 1.31.2.1 phil 494 1.31.2.1 phil if (vap->iv_caps & IEEE80211_C_DFS) { 495 1.31.2.1 phil SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 496 1.31.2.1 phil "radar", CTLTYPE_INT | CTLFLAG_RW, vap->iv_ic, 0, 497 1.31.2.1 phil ieee80211_sysctl_radar, "I", "simulate radar event"); 498 1.31.2.1 phil } 499 1.31.2.1 phil vap->iv_sysctl = ctx; 500 1.31.2.1 phil vap->iv_oid = oid; 501 1.31.2.2 phil #endif 502 1.31.2.4 phil return; 503 1.31.2.4 phil err: 504 1.31.2.4 phil printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc); 505 1.31.2.1 phil } 506 1.2 dyoung 507 1.31.2.1 phil void 508 1.31.2.1 phil ieee80211_sysctl_vdetach(struct ieee80211vap *vap) 509 1.31.2.1 phil { 510 1.31.2.2 phil #ifdef notyet 511 1.31.2.1 phil if (vap->iv_sysctl != NULL) { 512 1.31.2.1 phil sysctl_ctx_free(vap->iv_sysctl); 513 1.31.2.1 phil IEEE80211_FREE(vap->iv_sysctl, M_DEVBUF); 514 1.31.2.1 phil vap->iv_sysctl = NULL; 515 1.31.2.1 phil } 516 1.31.2.2 phil #endif 517 1.1 dyoung } 518 1.1 dyoung 519 1.31.2.2 phil 520 1.1 dyoung int 521 1.1 dyoung ieee80211_node_dectestref(struct ieee80211_node *ni) 522 1.1 dyoung { 523 1.31.2.1 phil /* XXX need equivalent of atomic_dec_and_test */ 524 1.31.2.1 phil atomic_subtract_int(&ni->ni_refcnt, 1); 525 1.31.2.2 phil return atomic_cas_uint(&ni->ni_refcnt, 0, 1) == 0; 526 1.2 dyoung } 527 1.2 dyoung 528 1.2 dyoung void 529 1.15 degroote ieee80211_drain_ifq(struct ifqueue *ifq) 530 1.15 degroote { 531 1.15 degroote struct ieee80211_node *ni; 532 1.15 degroote struct mbuf *m; 533 1.15 degroote 534 1.15 degroote for (;;) { 535 1.15 degroote IF_DEQUEUE(ifq, m); 536 1.15 degroote if (m == NULL) 537 1.15 degroote break; 538 1.15 degroote 539 1.31.2.2 phil ni = (struct ieee80211_node *)m_get_rcvif_NOMPSAFE(m); 540 1.31.2.2 phil FBSDKASSERT(ni != NULL, ("frame w/o node")); 541 1.15 degroote ieee80211_free_node(ni); 542 1.31.2.2 phil ieee80211_free_mbuf(m); 543 1.15 degroote } 544 1.15 degroote } 545 1.15 degroote 546 1.15 degroote void 547 1.31.2.1 phil ieee80211_flush_ifq(struct ifqueue *ifq, struct ieee80211vap *vap) 548 1.2 dyoung { 549 1.31.2.1 phil struct ieee80211_node *ni; 550 1.31.2.1 phil struct mbuf *m, **mprev; 551 1.2 dyoung 552 1.31.2.2 phil IFQ_LOCK(ifq); 553 1.31.2.1 phil mprev = &ifq->ifq_head; 554 1.31.2.1 phil while ((m = *mprev) != NULL) { 555 1.31.2.2 phil ni = (struct ieee80211_node *)m_get_rcvif_NOMPSAFE(m); 556 1.31.2.1 phil if (ni != NULL && ni->ni_vap == vap) { 557 1.31.2.1 phil *mprev = m->m_nextpkt; /* remove from list */ 558 1.31.2.1 phil ifq->ifq_len--; 559 1.2 dyoung 560 1.31.2.1 phil ieee80211_free_node(ni); /* reclaim ref */ 561 1.31.2.2 phil ieee80211_free_mbuf(m); 562 1.31.2.1 phil } else 563 1.31.2.1 phil mprev = &m->m_nextpkt; 564 1.31.2.1 phil } 565 1.31.2.1 phil /* recalculate tail ptr */ 566 1.31.2.1 phil m = ifq->ifq_head; 567 1.31.2.1 phil for (; m != NULL && m->m_nextpkt != NULL; m = m->m_nextpkt) 568 1.31.2.1 phil ; 569 1.31.2.1 phil ifq->ifq_tail = m; 570 1.31.2.2 phil IFQ_UNLOCK(ifq); 571 1.2 dyoung } 572 1.2 dyoung 573 1.1 dyoung /* 574 1.31.2.1 phil * As above, for mbufs allocated with m_gethdr/MGETHDR 575 1.31.2.1 phil * or initialized by M_COPY_PKTHDR. 576 1.31.2.1 phil */ 577 1.31.2.1 phil #define MC_ALIGN(m, len) \ 578 1.31.2.1 phil do { \ 579 1.31.2.1 phil (m)->m_data += rounddown2(MCLBYTES - (len), sizeof(long)); \ 580 1.31.2.1 phil } while (/* CONSTCOND */ 0) 581 1.31.2.1 phil 582 1.31.2.1 phil /* 583 1.1 dyoung * Allocate and setup a management frame of the specified 584 1.1 dyoung * size. We return the mbuf and a pointer to the start 585 1.1 dyoung * of the contiguous data area that's been reserved based 586 1.1 dyoung * on the packet length. The data area is forced to 32-bit 587 1.1 dyoung * alignment and the buffer length to a multiple of 4 bytes. 588 1.1 dyoung * This is done mainly so beacon frames (that require this) 589 1.1 dyoung * can use this interface too. 590 1.1 dyoung */ 591 1.1 dyoung struct mbuf * 592 1.31.2.1 phil ieee80211_getmgtframe(uint8_t **frm, int headroom, int pktlen) 593 1.1 dyoung { 594 1.1 dyoung struct mbuf *m; 595 1.1 dyoung u_int len; 596 1.1 dyoung 597 1.1 dyoung /* 598 1.1 dyoung * NB: we know the mbuf routines will align the data area 599 1.1 dyoung * so we don't need to do anything special. 600 1.1 dyoung */ 601 1.31.2.1 phil len = roundup2(headroom + pktlen, 4); 602 1.31.2.2 phil FBSDKASSERT(len <= MCLBYTES, ("802.11 mgt frame too large: %u", len)); 603 1.31.2.1 phil if (len < MINCLSIZE) { 604 1.31.2.1 phil m = m_gethdr(M_NOWAIT, MT_DATA); 605 1.1 dyoung /* 606 1.1 dyoung * Align the data in case additional headers are added. 607 1.1 dyoung * This should only happen when a WEP header is added 608 1.1 dyoung * which only happens for shared key authentication mgt 609 1.1 dyoung * frames which all fit in MHLEN. 610 1.1 dyoung */ 611 1.1 dyoung if (m != NULL) 612 1.31.2.5 phil MH_ALIGN(m, len); 613 1.30 maxv } else { 614 1.31.2.1 phil m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 615 1.31.2.1 phil if (m != NULL) 616 1.31.2.1 phil MC_ALIGN(m, len); 617 1.30 maxv } 618 1.1 dyoung if (m != NULL) { 619 1.31.2.1 phil m->m_data += headroom; 620 1.1 dyoung *frm = m->m_data; 621 1.1 dyoung } 622 1.1 dyoung return m; 623 1.1 dyoung } 624 1.1 dyoung 625 1.31.2.1 phil #ifndef __NO_STRICT_ALIGNMENT 626 1.31.2.1 phil /* 627 1.31.2.1 phil * Re-align the payload in the mbuf. This is mainly used (right now) 628 1.31.2.1 phil * to handle IP header alignment requirements on certain architectures. 629 1.31.2.1 phil */ 630 1.31.2.1 phil struct mbuf * 631 1.31.2.1 phil ieee80211_realign(struct ieee80211vap *vap, struct mbuf *m, size_t align) 632 1.31.2.1 phil { 633 1.31.2.1 phil int pktlen, space; 634 1.31.2.1 phil struct mbuf *n; 635 1.31.2.1 phil 636 1.31.2.1 phil pktlen = m->m_pkthdr.len; 637 1.31.2.1 phil space = pktlen + align; 638 1.31.2.1 phil if (space < MINCLSIZE) 639 1.31.2.1 phil n = m_gethdr(M_NOWAIT, MT_DATA); 640 1.31.2.1 phil else { 641 1.31.2.1 phil n = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, 642 1.31.2.1 phil space <= MCLBYTES ? MCLBYTES : 643 1.31.2.1 phil #if MJUMPAGESIZE != MCLBYTES 644 1.31.2.1 phil space <= MJUMPAGESIZE ? MJUMPAGESIZE : 645 1.31.2.1 phil #endif 646 1.31.2.1 phil space <= MJUM9BYTES ? MJUM9BYTES : MJUM16BYTES); 647 1.31.2.1 phil } 648 1.31.2.1 phil if (__predict_true(n != NULL)) { 649 1.31.2.1 phil m_move_pkthdr(n, m); 650 1.31.2.1 phil n->m_data = (caddr_t)(ALIGN(n->m_data + align) - align); 651 1.31.2.1 phil m_copydata(m, 0, pktlen, mtod(n, caddr_t)); 652 1.31.2.1 phil n->m_len = pktlen; 653 1.31.2.1 phil } else { 654 1.31.2.1 phil IEEE80211_DISCARD(vap, IEEE80211_MSG_ANY, 655 1.31.2.1 phil mtod(m, const struct ieee80211_frame *), NULL, 656 1.31.2.1 phil "%s", "no mbuf to realign"); 657 1.31.2.1 phil vap->iv_stats.is_rx_badalign++; 658 1.31.2.1 phil } 659 1.31.2.1 phil m_freem(m); 660 1.31.2.1 phil return n; 661 1.31.2.1 phil } 662 1.31.2.1 phil #endif /* !__NO_STRICT_ALIGNMENT */ 663 1.31.2.1 phil 664 1.31.2.1 phil int 665 1.31.2.1 phil ieee80211_add_callback(struct mbuf *m, 666 1.31.2.1 phil void (*func)(struct ieee80211_node *, void *, int), void *arg) 667 1.31.2.1 phil { 668 1.31.2.1 phil struct m_tag *mtag; 669 1.31.2.1 phil struct ieee80211_cb *cb; 670 1.31.2.1 phil 671 1.31.2.2 phil mtag = m_tag_get(/*MTAG_ABI_NET80211*/ NET80211_TAG_CALLBACK, 672 1.31.2.1 phil sizeof(struct ieee80211_cb), M_NOWAIT); 673 1.31.2.1 phil if (mtag == NULL) 674 1.31.2.1 phil return 0; 675 1.31.2.1 phil 676 1.31.2.1 phil cb = (struct ieee80211_cb *)(mtag+1); 677 1.31.2.1 phil cb->func = func; 678 1.31.2.1 phil cb->arg = arg; 679 1.31.2.1 phil m_tag_prepend(m, mtag); 680 1.31.2.1 phil m->m_flags |= M_TXCB; 681 1.31.2.1 phil return 1; 682 1.31.2.1 phil } 683 1.31.2.1 phil 684 1.31.2.1 phil int 685 1.31.2.1 phil ieee80211_add_xmit_params(struct mbuf *m, 686 1.31.2.1 phil const struct ieee80211_bpf_params *params) 687 1.31.2.1 phil { 688 1.31.2.1 phil struct m_tag *mtag; 689 1.31.2.1 phil struct ieee80211_tx_params *tx; 690 1.31.2.1 phil 691 1.31.2.2 phil mtag = m_tag_get(/*MTAG_ABI_NET80211*/ NET80211_TAG_XMIT_PARAMS, 692 1.31.2.1 phil sizeof(struct ieee80211_tx_params), M_NOWAIT); 693 1.31.2.1 phil if (mtag == NULL) 694 1.31.2.1 phil return (0); 695 1.31.2.1 phil 696 1.31.2.1 phil tx = (struct ieee80211_tx_params *)(mtag+1); 697 1.31.2.1 phil memcpy(&tx->params, params, sizeof(struct ieee80211_bpf_params)); 698 1.31.2.1 phil m_tag_prepend(m, mtag); 699 1.31.2.1 phil return (1); 700 1.31.2.1 phil } 701 1.31.2.1 phil 702 1.31.2.1 phil int 703 1.31.2.1 phil ieee80211_get_xmit_params(struct mbuf *m, 704 1.31.2.1 phil struct ieee80211_bpf_params *params) 705 1.31.2.1 phil { 706 1.31.2.1 phil struct m_tag *mtag; 707 1.31.2.1 phil struct ieee80211_tx_params *tx; 708 1.31.2.1 phil 709 1.31.2.2 phil mtag = m_tag_find(m, /*MTAG_ABI_NET80211,*/ NET80211_TAG_XMIT_PARAMS, 710 1.31.2.1 phil NULL); 711 1.31.2.1 phil if (mtag == NULL) 712 1.31.2.1 phil return (-1); 713 1.31.2.1 phil tx = (struct ieee80211_tx_params *)(mtag + 1); 714 1.31.2.1 phil memcpy(params, &tx->params, sizeof(struct ieee80211_bpf_params)); 715 1.31.2.1 phil return (0); 716 1.31.2.1 phil } 717 1.31.2.1 phil 718 1.1 dyoung void 719 1.31.2.1 phil ieee80211_process_callback(struct ieee80211_node *ni, 720 1.31.2.1 phil struct mbuf *m, int status) 721 1.31.2.1 phil { 722 1.31.2.1 phil struct m_tag *mtag; 723 1.31.2.1 phil 724 1.31.2.2 phil mtag = m_tag_find(m, /*MTAG_ABI_NET80211,*/ NET80211_TAG_CALLBACK, NULL); 725 1.31.2.1 phil if (mtag != NULL) { 726 1.31.2.1 phil struct ieee80211_cb *cb = (struct ieee80211_cb *)(mtag+1); 727 1.31.2.1 phil cb->func(ni, cb->arg, status); 728 1.31.2.1 phil } 729 1.31.2.1 phil } 730 1.31.2.1 phil 731 1.31.2.1 phil /* 732 1.31.2.1 phil * Add RX parameters to the given mbuf. 733 1.31.2.1 phil * 734 1.31.2.1 phil * Returns 1 if OK, 0 on error. 735 1.31.2.1 phil */ 736 1.31.2.1 phil int 737 1.31.2.1 phil ieee80211_add_rx_params(struct mbuf *m, const struct ieee80211_rx_stats *rxs) 738 1.31.2.1 phil { 739 1.31.2.1 phil struct m_tag *mtag; 740 1.31.2.1 phil struct ieee80211_rx_params *rx; 741 1.31.2.1 phil 742 1.31.2.2 phil mtag = m_tag_get(/*MTAG_ABI_NET80211,*/ NET80211_TAG_RECV_PARAMS, 743 1.31.2.1 phil sizeof(struct ieee80211_rx_stats), M_NOWAIT); 744 1.31.2.1 phil if (mtag == NULL) 745 1.31.2.1 phil return (0); 746 1.31.2.1 phil 747 1.31.2.1 phil rx = (struct ieee80211_rx_params *)(mtag + 1); 748 1.31.2.1 phil memcpy(&rx->params, rxs, sizeof(*rxs)); 749 1.31.2.1 phil m_tag_prepend(m, mtag); 750 1.31.2.1 phil return (1); 751 1.31.2.1 phil } 752 1.31.2.1 phil 753 1.31.2.1 phil int 754 1.31.2.1 phil ieee80211_get_rx_params(struct mbuf *m, struct ieee80211_rx_stats *rxs) 755 1.31.2.1 phil { 756 1.31.2.1 phil struct m_tag *mtag; 757 1.31.2.1 phil struct ieee80211_rx_params *rx; 758 1.31.2.1 phil 759 1.31.2.2 phil mtag = m_tag_find(m, /*MTAG_ABI_NET80211,*/ NET80211_TAG_RECV_PARAMS, 760 1.31.2.1 phil NULL); 761 1.31.2.1 phil if (mtag == NULL) 762 1.31.2.1 phil return (-1); 763 1.31.2.1 phil rx = (struct ieee80211_rx_params *)(mtag + 1); 764 1.31.2.1 phil memcpy(rxs, &rx->params, sizeof(*rxs)); 765 1.31.2.1 phil return (0); 766 1.31.2.1 phil } 767 1.31.2.1 phil 768 1.31.2.1 phil const struct ieee80211_rx_stats * 769 1.31.2.1 phil ieee80211_get_rx_params_ptr(struct mbuf *m) 770 1.31.2.1 phil { 771 1.31.2.1 phil struct m_tag *mtag; 772 1.31.2.1 phil struct ieee80211_rx_params *rx; 773 1.31.2.1 phil 774 1.31.2.2 phil mtag = m_tag_find(m, /*MTAG_ABI_NET80211,*/ NET80211_TAG_RECV_PARAMS, 775 1.31.2.1 phil NULL); 776 1.31.2.1 phil if (mtag == NULL) 777 1.31.2.1 phil return (NULL); 778 1.31.2.1 phil rx = (struct ieee80211_rx_params *)(mtag + 1); 779 1.31.2.1 phil return (&rx->params); 780 1.31.2.1 phil } 781 1.31.2.1 phil 782 1.31.2.1 phil 783 1.31.2.1 phil /* 784 1.31.2.1 phil * Add TOA parameters to the given mbuf. 785 1.31.2.1 phil */ 786 1.31.2.1 phil int 787 1.31.2.1 phil ieee80211_add_toa_params(struct mbuf *m, const struct ieee80211_toa_params *p) 788 1.31.2.1 phil { 789 1.31.2.1 phil struct m_tag *mtag; 790 1.31.2.1 phil struct ieee80211_toa_params *rp; 791 1.31.2.1 phil 792 1.31.2.2 phil mtag = m_tag_get(/*MTAG_ABI_NET80211,*/ NET80211_TAG_TOA_PARAMS, 793 1.31.2.1 phil sizeof(struct ieee80211_toa_params), M_NOWAIT); 794 1.31.2.1 phil if (mtag == NULL) 795 1.31.2.1 phil return (0); 796 1.31.2.1 phil 797 1.31.2.1 phil rp = (struct ieee80211_toa_params *)(mtag + 1); 798 1.31.2.1 phil memcpy(rp, p, sizeof(*rp)); 799 1.31.2.1 phil m_tag_prepend(m, mtag); 800 1.31.2.1 phil return (1); 801 1.31.2.1 phil } 802 1.31.2.1 phil 803 1.31.2.1 phil int 804 1.31.2.1 phil ieee80211_get_toa_params(struct mbuf *m, struct ieee80211_toa_params *p) 805 1.31.2.1 phil { 806 1.31.2.1 phil struct m_tag *mtag; 807 1.31.2.1 phil struct ieee80211_toa_params *rp; 808 1.31.2.1 phil 809 1.31.2.2 phil mtag = m_tag_find(m, /*MTAG_ABI_NET80211,*/ NET80211_TAG_TOA_PARAMS, 810 1.31.2.1 phil NULL); 811 1.31.2.1 phil if (mtag == NULL) 812 1.31.2.1 phil return (0); 813 1.31.2.1 phil rp = (struct ieee80211_toa_params *)(mtag + 1); 814 1.31.2.1 phil if (p != NULL) 815 1.31.2.1 phil memcpy(p, rp, sizeof(*p)); 816 1.31.2.1 phil return (1); 817 1.31.2.1 phil } 818 1.31.2.1 phil 819 1.31.2.1 phil /* 820 1.31.2.1 phil * Transmit a frame to the parent interface. 821 1.31.2.1 phil */ 822 1.31.2.1 phil int 823 1.31.2.1 phil ieee80211_parent_xmitpkt(struct ieee80211com *ic, struct mbuf *m) 824 1.1 dyoung { 825 1.31.2.1 phil int error; 826 1.31.2.5 phil printf ("ieee80211_parent_xmitpkt called\n"); 827 1.31.2.1 phil /* 828 1.31.2.1 phil * Assert the IC TX lock is held - this enforces the 829 1.31.2.1 phil * processing -> queuing order is maintained 830 1.31.2.1 phil */ 831 1.31.2.1 phil IEEE80211_TX_LOCK_ASSERT(ic); 832 1.31.2.1 phil error = ic->ic_transmit(ic, m); 833 1.31.2.1 phil if (error) { 834 1.31.2.1 phil struct ieee80211_node *ni; 835 1.31.2.1 phil 836 1.31.2.2 phil ni = (struct ieee80211_node *)m_get_rcvif_NOMPSAFE(m); 837 1.31.2.1 phil 838 1.31.2.1 phil /* XXX number of fragments */ 839 1.31.2.1 phil if_inc_counter(ni->ni_vap->iv_ifp, IFCOUNTER_OERRORS, 1); 840 1.31.2.1 phil ieee80211_free_node(ni); 841 1.31.2.1 phil ieee80211_free_mbuf(m); 842 1.31.2.1 phil } 843 1.31.2.1 phil return (error); 844 1.1 dyoung } 845 1.1 dyoung 846 1.31.2.1 phil /* 847 1.31.2.1 phil * Transmit a frame to the VAP interface. 848 1.31.2.1 phil */ 849 1.31.2.1 phil int 850 1.31.2.1 phil ieee80211_vap_xmitpkt(struct ieee80211vap *vap, struct mbuf *m) 851 1.31.2.1 phil { 852 1.31.2.1 phil struct ifnet *ifp = vap->iv_ifp; 853 1.31.2.1 phil 854 1.31.2.1 phil /* 855 1.31.2.1 phil * When transmitting via the VAP, we shouldn't hold 856 1.31.2.1 phil * any IC TX lock as the VAP TX path will acquire it. 857 1.31.2.1 phil */ 858 1.31.2.1 phil IEEE80211_TX_UNLOCK_ASSERT(vap->iv_ic); 859 1.31.2.1 phil 860 1.31.2.1 phil return (ifp->if_transmit(ifp, m)); 861 1.31.2.1 phil 862 1.31.2.1 phil } 863 1.31.2.1 phil 864 1.1 dyoung void 865 1.31.2.1 phil get_random_bytes(void *p, size_t n) 866 1.1 dyoung { 867 1.31.2.1 phil uint8_t *dp = p; 868 1.1 dyoung 869 1.31.2.1 phil while (n > 0) { 870 1.31.2.1 phil uint32_t v = arc4random(); 871 1.31.2.1 phil size_t nb = n > sizeof(uint32_t) ? sizeof(uint32_t) : n; 872 1.31.2.1 phil bcopy(&v, dp, n > sizeof(uint32_t) ? sizeof(uint32_t) : n); 873 1.31.2.1 phil dp += sizeof(uint32_t), n -= nb; 874 1.31.2.1 phil } 875 1.31.2.1 phil } 876 1.3 dyoung 877 1.31.2.1 phil /* 878 1.31.2.1 phil * Helper function for events that pass just a single mac address. 879 1.31.2.1 phil */ 880 1.31.2.1 phil static void 881 1.31.2.1 phil notify_macaddr(struct ifnet *ifp, int op, const uint8_t mac[IEEE80211_ADDR_LEN]) 882 1.31.2.1 phil { 883 1.31.2.1 phil struct ieee80211_join_event iev; 884 1.31.2.6 phil printf ("NNN notify_macaddr called\n"); 885 1.31.2.1 phil CURVNET_SET(ifp->if_vnet); 886 1.7 dyoung memset(&iev, 0, sizeof(iev)); 887 1.31.2.1 phil IEEE80211_ADDR_COPY(iev.iev_addr, mac); 888 1.31.2.1 phil rt_ieee80211msg(ifp, op, &iev, sizeof(iev)); 889 1.31.2.1 phil CURVNET_RESTORE(); 890 1.31.2.1 phil } 891 1.31.2.1 phil 892 1.31.2.1 phil void 893 1.31.2.1 phil ieee80211_notify_node_join(struct ieee80211_node *ni, int newassoc) 894 1.31.2.1 phil { 895 1.31.2.1 phil struct ieee80211vap *vap = ni->ni_vap; 896 1.31.2.1 phil struct ifnet *ifp = vap->iv_ifp; 897 1.31.2.1 phil 898 1.31.2.1 phil CURVNET_SET_QUIET(ifp->if_vnet); 899 1.31.2.1 phil IEEE80211_NOTE(vap, IEEE80211_MSG_NODE, ni, "%snode join", 900 1.31.2.1 phil (ni == vap->iv_bss) ? "bss " : ""); 901 1.31.2.1 phil 902 1.31.2.1 phil if (ni == vap->iv_bss) { 903 1.31.2.1 phil notify_macaddr(ifp, newassoc ? 904 1.31.2.1 phil RTM_IEEE80211_ASSOC : RTM_IEEE80211_REASSOC, ni->ni_bssid); 905 1.1 dyoung if_link_state_change(ifp, LINK_STATE_UP); 906 1.16 christos } else { 907 1.31.2.1 phil notify_macaddr(ifp, newassoc ? 908 1.31.2.1 phil RTM_IEEE80211_JOIN : RTM_IEEE80211_REJOIN, ni->ni_macaddr); 909 1.1 dyoung } 910 1.31.2.1 phil CURVNET_RESTORE(); 911 1.1 dyoung } 912 1.1 dyoung 913 1.1 dyoung void 914 1.31.2.1 phil ieee80211_notify_node_leave(struct ieee80211_node *ni) 915 1.1 dyoung { 916 1.31.2.1 phil struct ieee80211vap *vap = ni->ni_vap; 917 1.31.2.1 phil struct ifnet *ifp = vap->iv_ifp; 918 1.1 dyoung 919 1.31.2.1 phil CURVNET_SET_QUIET(ifp->if_vnet); 920 1.31.2.1 phil IEEE80211_NOTE(vap, IEEE80211_MSG_NODE, ni, "%snode leave", 921 1.31.2.1 phil (ni == vap->iv_bss) ? "bss " : ""); 922 1.3 dyoung 923 1.31.2.1 phil if (ni == vap->iv_bss) { 924 1.1 dyoung rt_ieee80211msg(ifp, RTM_IEEE80211_DISASSOC, NULL, 0); 925 1.1 dyoung if_link_state_change(ifp, LINK_STATE_DOWN); 926 1.1 dyoung } else { 927 1.1 dyoung /* fire off wireless event station leaving */ 928 1.31.2.1 phil notify_macaddr(ifp, RTM_IEEE80211_LEAVE, ni->ni_macaddr); 929 1.1 dyoung } 930 1.31.2.1 phil CURVNET_RESTORE(); 931 1.1 dyoung } 932 1.1 dyoung 933 1.1 dyoung void 934 1.31.2.1 phil ieee80211_notify_scan_done(struct ieee80211vap *vap) 935 1.1 dyoung { 936 1.31.2.1 phil struct ifnet *ifp = vap->iv_ifp; 937 1.1 dyoung 938 1.31.2.1 phil IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, "%s\n", "notify scan done"); 939 1.1 dyoung 940 1.1 dyoung /* dispatch wireless event indicating scan completed */ 941 1.31.2.1 phil CURVNET_SET(ifp->if_vnet); 942 1.1 dyoung rt_ieee80211msg(ifp, RTM_IEEE80211_SCAN, NULL, 0); 943 1.31.2.1 phil CURVNET_RESTORE(); 944 1.1 dyoung } 945 1.1 dyoung 946 1.1 dyoung void 947 1.31.2.1 phil ieee80211_notify_replay_failure(struct ieee80211vap *vap, 948 1.1 dyoung const struct ieee80211_frame *wh, const struct ieee80211_key *k, 949 1.31.2.1 phil u_int64_t rsc, int tid) 950 1.1 dyoung { 951 1.31.2.1 phil struct ifnet *ifp = vap->iv_ifp; 952 1.1 dyoung 953 1.31.2.1 phil IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_CRYPTO, wh->i_addr2, 954 1.31.2.1 phil "%s replay detected tid %d <rsc %ju, csc %ju, keyix %u rxkeyix %u>", 955 1.31.2.1 phil k->wk_cipher->ic_name, tid, (intmax_t) rsc, 956 1.31.2.1 phil (intmax_t) k->wk_keyrsc[tid], 957 1.8 skrll k->wk_keyix, k->wk_rxkeyix); 958 1.1 dyoung 959 1.1 dyoung if (ifp != NULL) { /* NB: for cipher test modules */ 960 1.1 dyoung struct ieee80211_replay_event iev; 961 1.1 dyoung 962 1.1 dyoung IEEE80211_ADDR_COPY(iev.iev_dst, wh->i_addr1); 963 1.1 dyoung IEEE80211_ADDR_COPY(iev.iev_src, wh->i_addr2); 964 1.1 dyoung iev.iev_cipher = k->wk_cipher->ic_cipher; 965 1.8 skrll if (k->wk_rxkeyix != IEEE80211_KEYIX_NONE) 966 1.8 skrll iev.iev_keyix = k->wk_rxkeyix; 967 1.8 skrll else 968 1.8 skrll iev.iev_keyix = k->wk_keyix; 969 1.31.2.1 phil iev.iev_keyrsc = k->wk_keyrsc[tid]; 970 1.1 dyoung iev.iev_rsc = rsc; 971 1.31.2.1 phil CURVNET_SET(ifp->if_vnet); 972 1.1 dyoung rt_ieee80211msg(ifp, RTM_IEEE80211_REPLAY, &iev, sizeof(iev)); 973 1.31.2.1 phil CURVNET_RESTORE(); 974 1.1 dyoung } 975 1.1 dyoung } 976 1.1 dyoung 977 1.1 dyoung void 978 1.31.2.1 phil ieee80211_notify_michael_failure(struct ieee80211vap *vap, 979 1.1 dyoung const struct ieee80211_frame *wh, u_int keyix) 980 1.1 dyoung { 981 1.31.2.1 phil struct ifnet *ifp = vap->iv_ifp; 982 1.1 dyoung 983 1.31.2.1 phil IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_CRYPTO, wh->i_addr2, 984 1.31.2.1 phil "michael MIC verification failed <keyix %u>", keyix); 985 1.31.2.1 phil vap->iv_stats.is_rx_tkipmic++; 986 1.1 dyoung 987 1.1 dyoung if (ifp != NULL) { /* NB: for cipher test modules */ 988 1.1 dyoung struct ieee80211_michael_event iev; 989 1.1 dyoung 990 1.1 dyoung IEEE80211_ADDR_COPY(iev.iev_dst, wh->i_addr1); 991 1.1 dyoung IEEE80211_ADDR_COPY(iev.iev_src, wh->i_addr2); 992 1.1 dyoung iev.iev_cipher = IEEE80211_CIPHER_TKIP; 993 1.1 dyoung iev.iev_keyix = keyix; 994 1.31.2.1 phil CURVNET_SET(ifp->if_vnet); 995 1.1 dyoung rt_ieee80211msg(ifp, RTM_IEEE80211_MICHAEL, &iev, sizeof(iev)); 996 1.31.2.1 phil CURVNET_RESTORE(); 997 1.1 dyoung } 998 1.1 dyoung } 999 1.1 dyoung 1000 1.1 dyoung void 1001 1.31.2.1 phil ieee80211_notify_wds_discover(struct ieee80211_node *ni) 1002 1.1 dyoung { 1003 1.31.2.1 phil struct ieee80211vap *vap = ni->ni_vap; 1004 1.31.2.1 phil struct ifnet *ifp = vap->iv_ifp; 1005 1.31.2.1 phil 1006 1.31.2.1 phil notify_macaddr(ifp, RTM_IEEE80211_WDS, ni->ni_macaddr); 1007 1.31.2.1 phil } 1008 1.31.2.1 phil 1009 1.31.2.1 phil void 1010 1.31.2.1 phil ieee80211_notify_csa(struct ieee80211com *ic, 1011 1.31.2.1 phil const struct ieee80211_channel *c, int mode, int count) 1012 1.31.2.1 phil { 1013 1.31.2.1 phil struct ieee80211_csa_event iev; 1014 1.31.2.1 phil struct ieee80211vap *vap; 1015 1.31.2.1 phil struct ifnet *ifp; 1016 1.1 dyoung 1017 1.31.2.1 phil memset(&iev, 0, sizeof(iev)); 1018 1.31.2.1 phil iev.iev_flags = c->ic_flags; 1019 1.31.2.1 phil iev.iev_freq = c->ic_freq; 1020 1.31.2.1 phil iev.iev_ieee = c->ic_ieee; 1021 1.31.2.1 phil iev.iev_mode = mode; 1022 1.31.2.1 phil iev.iev_count = count; 1023 1.31.2.1 phil TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { 1024 1.31.2.1 phil ifp = vap->iv_ifp; 1025 1.31.2.1 phil CURVNET_SET(ifp->if_vnet); 1026 1.31.2.1 phil rt_ieee80211msg(ifp, RTM_IEEE80211_CSA, &iev, sizeof(iev)); 1027 1.31.2.1 phil CURVNET_RESTORE(); 1028 1.31.2.1 phil } 1029 1.31.2.1 phil } 1030 1.31.2.1 phil 1031 1.31.2.1 phil void 1032 1.31.2.1 phil ieee80211_notify_radar(struct ieee80211com *ic, 1033 1.31.2.1 phil const struct ieee80211_channel *c) 1034 1.31.2.1 phil { 1035 1.31.2.1 phil struct ieee80211_radar_event iev; 1036 1.31.2.1 phil struct ieee80211vap *vap; 1037 1.31.2.1 phil struct ifnet *ifp; 1038 1.31.2.1 phil 1039 1.31.2.1 phil memset(&iev, 0, sizeof(iev)); 1040 1.31.2.1 phil iev.iev_flags = c->ic_flags; 1041 1.31.2.1 phil iev.iev_freq = c->ic_freq; 1042 1.31.2.1 phil iev.iev_ieee = c->ic_ieee; 1043 1.31.2.1 phil TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { 1044 1.31.2.1 phil ifp = vap->iv_ifp; 1045 1.31.2.1 phil CURVNET_SET(ifp->if_vnet); 1046 1.31.2.1 phil rt_ieee80211msg(ifp, RTM_IEEE80211_RADAR, &iev, sizeof(iev)); 1047 1.31.2.1 phil CURVNET_RESTORE(); 1048 1.31.2.1 phil } 1049 1.31.2.1 phil } 1050 1.31.2.1 phil 1051 1.31.2.1 phil void 1052 1.31.2.1 phil ieee80211_notify_cac(struct ieee80211com *ic, 1053 1.31.2.1 phil const struct ieee80211_channel *c, enum ieee80211_notify_cac_event type) 1054 1.31.2.1 phil { 1055 1.31.2.1 phil struct ieee80211_cac_event iev; 1056 1.31.2.1 phil struct ieee80211vap *vap; 1057 1.31.2.1 phil struct ifnet *ifp; 1058 1.31.2.1 phil 1059 1.31.2.1 phil memset(&iev, 0, sizeof(iev)); 1060 1.31.2.1 phil iev.iev_flags = c->ic_flags; 1061 1.31.2.1 phil iev.iev_freq = c->ic_freq; 1062 1.31.2.1 phil iev.iev_ieee = c->ic_ieee; 1063 1.31.2.1 phil iev.iev_type = type; 1064 1.31.2.1 phil TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { 1065 1.31.2.1 phil ifp = vap->iv_ifp; 1066 1.31.2.1 phil CURVNET_SET(ifp->if_vnet); 1067 1.31.2.1 phil rt_ieee80211msg(ifp, RTM_IEEE80211_CAC, &iev, sizeof(iev)); 1068 1.31.2.1 phil CURVNET_RESTORE(); 1069 1.31.2.1 phil } 1070 1.31.2.1 phil } 1071 1.31.2.1 phil 1072 1.31.2.1 phil void 1073 1.31.2.1 phil ieee80211_notify_node_deauth(struct ieee80211_node *ni) 1074 1.31.2.1 phil { 1075 1.31.2.1 phil struct ieee80211vap *vap = ni->ni_vap; 1076 1.31.2.1 phil struct ifnet *ifp = vap->iv_ifp; 1077 1.31.2.1 phil 1078 1.31.2.1 phil IEEE80211_NOTE(vap, IEEE80211_MSG_NODE, ni, "%s", "node deauth"); 1079 1.31.2.1 phil 1080 1.31.2.1 phil notify_macaddr(ifp, RTM_IEEE80211_DEAUTH, ni->ni_macaddr); 1081 1.31.2.1 phil } 1082 1.31.2.1 phil 1083 1.31.2.1 phil void 1084 1.31.2.1 phil ieee80211_notify_node_auth(struct ieee80211_node *ni) 1085 1.31.2.1 phil { 1086 1.31.2.1 phil struct ieee80211vap *vap = ni->ni_vap; 1087 1.31.2.1 phil struct ifnet *ifp = vap->iv_ifp; 1088 1.31.2.1 phil 1089 1.31.2.1 phil IEEE80211_NOTE(vap, IEEE80211_MSG_NODE, ni, "%s", "node auth"); 1090 1.31.2.1 phil 1091 1.31.2.1 phil notify_macaddr(ifp, RTM_IEEE80211_AUTH, ni->ni_macaddr); 1092 1.31.2.1 phil } 1093 1.31.2.1 phil 1094 1.31.2.1 phil void 1095 1.31.2.1 phil ieee80211_notify_country(struct ieee80211vap *vap, 1096 1.31.2.1 phil const uint8_t bssid[IEEE80211_ADDR_LEN], const uint8_t cc[2]) 1097 1.31.2.1 phil { 1098 1.31.2.1 phil struct ifnet *ifp = vap->iv_ifp; 1099 1.31.2.1 phil struct ieee80211_country_event iev; 1100 1.31.2.1 phil 1101 1.31.2.1 phil memset(&iev, 0, sizeof(iev)); 1102 1.31.2.1 phil IEEE80211_ADDR_COPY(iev.iev_addr, bssid); 1103 1.31.2.1 phil iev.iev_cc[0] = cc[0]; 1104 1.31.2.1 phil iev.iev_cc[1] = cc[1]; 1105 1.31.2.1 phil CURVNET_SET(ifp->if_vnet); 1106 1.31.2.1 phil rt_ieee80211msg(ifp, RTM_IEEE80211_COUNTRY, &iev, sizeof(iev)); 1107 1.31.2.1 phil CURVNET_RESTORE(); 1108 1.31.2.1 phil } 1109 1.31.2.1 phil 1110 1.31.2.1 phil void 1111 1.31.2.1 phil ieee80211_notify_radio(struct ieee80211com *ic, int state) 1112 1.31.2.1 phil { 1113 1.31.2.1 phil struct ieee80211_radio_event iev; 1114 1.31.2.1 phil struct ieee80211vap *vap; 1115 1.31.2.1 phil struct ifnet *ifp; 1116 1.31.2.1 phil 1117 1.31.2.1 phil memset(&iev, 0, sizeof(iev)); 1118 1.31.2.1 phil iev.iev_state = state; 1119 1.31.2.1 phil TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { 1120 1.31.2.1 phil ifp = vap->iv_ifp; 1121 1.31.2.1 phil CURVNET_SET(ifp->if_vnet); 1122 1.31.2.1 phil rt_ieee80211msg(ifp, RTM_IEEE80211_RADIO, &iev, sizeof(iev)); 1123 1.31.2.1 phil CURVNET_RESTORE(); 1124 1.1 dyoung } 1125 1.31.2.1 phil } 1126 1.31.2.1 phil 1127 1.31.2.3 phil #ifdef notyet 1128 1.31.2.1 phil void 1129 1.31.2.1 phil ieee80211_load_module(const char *modname) 1130 1.31.2.1 phil { 1131 1.31.2.2 phil struct thread *td = curthread; 1132 1.31.2.2 phil 1133 1.31.2.2 phil if (suser(td) == 0 && securelevel_gt(td->td_ucred, 0) == 0) { 1134 1.31.2.2 phil mtx_lock(&Giant); 1135 1.31.2.2 phil (void) linker_load_module(modname, NULL, NULL, NULL, NULL); 1136 1.31.2.2 phil mtx_unlock(&Giant); 1137 1.31.2.2 phil } 1138 1.1 dyoung } 1139 1.31.2.3 phil #endif 1140 1.31 maxv 1141 1.31.2.2 phil #ifdef notyet 1142 1.31.2.1 phil static eventhandler_tag wlan_bpfevent; 1143 1.31.2.1 phil static eventhandler_tag wlan_ifllevent; 1144 1.31.2.1 phil 1145 1.31.2.1 phil static void 1146 1.31.2.1 phil bpf_track(void *arg, struct ifnet *ifp, int dlt, int attach) 1147 1.31.2.1 phil { 1148 1.31.2.6 phil /* NB: identify vap's by if_init */ // NNN won't work with urtwn ... 1149 1.31.2.1 phil if (dlt == DLT_IEEE802_11_RADIO && 1150 1.31.2.1 phil ifp->if_init == ieee80211_init) { 1151 1.31.2.1 phil struct ieee80211vap *vap = ifp->if_softc; 1152 1.31.2.1 phil /* 1153 1.31.2.1 phil * Track bpf radiotap listener state. We mark the vap 1154 1.31.2.1 phil * to indicate if any listener is present and the com 1155 1.31.2.1 phil * to indicate if any listener exists on any associated 1156 1.31.2.1 phil * vap. This flag is used by drivers to prepare radiotap 1157 1.31.2.1 phil * state only when needed. 1158 1.31.2.1 phil */ 1159 1.31.2.1 phil if (attach) { 1160 1.31.2.1 phil ieee80211_syncflag_ext(vap, IEEE80211_FEXT_BPF); 1161 1.31.2.1 phil if (vap->iv_opmode == IEEE80211_M_MONITOR) 1162 1.31.2.1 phil atomic_add_int(&vap->iv_ic->ic_montaps, 1); 1163 1.31.2.1 phil } else if (!bpf_peers_present(vap->iv_rawbpf)) { 1164 1.31.2.1 phil ieee80211_syncflag_ext(vap, -IEEE80211_FEXT_BPF); 1165 1.31.2.1 phil if (vap->iv_opmode == IEEE80211_M_MONITOR) 1166 1.31.2.1 phil atomic_subtract_int(&vap->iv_ic->ic_montaps, 1); 1167 1.31.2.1 phil } 1168 1.31.2.1 phil } 1169 1.31.2.1 phil } 1170 1.31 maxv 1171 1.31 maxv /* 1172 1.31.2.1 phil * Change MAC address on the vap (if was not started). 1173 1.31 maxv */ 1174 1.31.2.1 phil static void 1175 1.31.2.1 phil wlan_iflladdr(void *arg __unused, struct ifnet *ifp) 1176 1.31 maxv { 1177 1.31.2.6 phil /* NB: identify vap's by if_init */ // NNN wont work on urtwn 1178 1.31.2.1 phil if (ifp->if_init == ieee80211_init && 1179 1.31.2.1 phil (ifp->if_flags & IFF_UP) == 0) { 1180 1.31.2.1 phil struct ieee80211vap *vap = ifp->if_softc; 1181 1.31 maxv 1182 1.31.2.1 phil IEEE80211_ADDR_COPY(vap->iv_myaddr, IF_LLADDR(ifp)); 1183 1.31.2.1 phil } 1184 1.31 maxv } 1185 1.31.2.2 phil #endif 1186 1.31.2.2 phil 1187 1.31.2.2 phil void 1188 1.31.2.2 phil if_inc_counter(struct ifnet *ifp, ift_counter ifc, int64_t value) 1189 1.31.2.2 phil { 1190 1.31.2.2 phil switch (ifc) { 1191 1.31.2.2 phil case IFCOUNTER_IPACKETS: 1192 1.31.2.2 phil ifp->if_data.ifi_ipackets += value; 1193 1.31.2.2 phil break; 1194 1.31.2.2 phil case IFCOUNTER_IERRORS: 1195 1.31.2.2 phil ifp->if_data.ifi_ierrors += value; 1196 1.31.2.2 phil break; 1197 1.31.2.2 phil case IFCOUNTER_OPACKETS: 1198 1.31.2.2 phil ifp->if_data.ifi_opackets += value; 1199 1.31.2.2 phil break; 1200 1.31.2.2 phil case IFCOUNTER_OERRORS: 1201 1.31.2.2 phil ifp->if_data.ifi_oerrors += value; 1202 1.31.2.2 phil break; 1203 1.31.2.2 phil case IFCOUNTER_COLLISIONS: 1204 1.31.2.2 phil ifp->if_data.ifi_collisions += value; 1205 1.31.2.2 phil break; 1206 1.31.2.2 phil case IFCOUNTER_IBYTES: 1207 1.31.2.2 phil ifp->if_data.ifi_ibytes += value; 1208 1.31.2.2 phil break; 1209 1.31.2.2 phil case IFCOUNTER_OBYTES: 1210 1.31.2.2 phil ifp->if_data.ifi_obytes += value; 1211 1.31.2.2 phil break; 1212 1.31.2.2 phil case IFCOUNTER_IMCASTS: 1213 1.31.2.2 phil ifp->if_data.ifi_imcasts += value; 1214 1.31.2.2 phil break; 1215 1.31.2.2 phil case IFCOUNTER_OMCASTS: 1216 1.31.2.2 phil ifp->if_data.ifi_omcasts += value; 1217 1.31.2.2 phil break; 1218 1.31.2.2 phil case IFCOUNTER_IQDROPS: 1219 1.31.2.2 phil ifp->if_data.ifi_iqdrops += value; 1220 1.31.2.2 phil break; 1221 1.31.2.2 phil case IFCOUNTER_OQDROPS: 1222 1.31.2.2 phil /* ifp->if_data.ifi_oqdrops += value; No such field, just ignore it q*/ 1223 1.31.2.2 phil break; 1224 1.31.2.2 phil case IFCOUNTER_NOPROTO: 1225 1.31.2.2 phil ifp->if_data.ifi_noproto += value; 1226 1.31.2.2 phil break; 1227 1.31.2.2 phil default: 1228 1.31.2.2 phil panic("if_inc_counter: non-existant counter"); 1229 1.31.2.2 phil } 1230 1.31.2.2 phil } 1231 1.31.2.2 phil 1232 1.31 maxv 1233 1.31.2.2 phil #ifdef notyet 1234 1.31 maxv /* 1235 1.31.2.1 phil * Module glue. 1236 1.31 maxv * 1237 1.31.2.1 phil * NB: the module name is "wlan" for compatibility with NetBSD. 1238 1.31 maxv */ 1239 1.31.2.1 phil static int 1240 1.31.2.1 phil wlan_modevent(module_t mod, int type, void *unused) 1241 1.31 maxv { 1242 1.31.2.1 phil switch (type) { 1243 1.31.2.1 phil case MOD_LOAD: 1244 1.31.2.1 phil if (bootverbose) 1245 1.31.2.1 phil printf("wlan: <802.11 Link Layer>\n"); 1246 1.31.2.1 phil wlan_bpfevent = EVENTHANDLER_REGISTER(bpf_track, 1247 1.31.2.1 phil bpf_track, 0, EVENTHANDLER_PRI_ANY); 1248 1.31.2.1 phil wlan_ifllevent = EVENTHANDLER_REGISTER(iflladdr_event, 1249 1.31.2.1 phil wlan_iflladdr, NULL, EVENTHANDLER_PRI_ANY); 1250 1.31.2.1 phil wlan_cloner = if_clone_simple(wlanname, wlan_clone_create, 1251 1.31.2.1 phil wlan_clone_destroy, 0); 1252 1.31.2.1 phil return 0; 1253 1.31.2.1 phil case MOD_UNLOAD: 1254 1.31.2.1 phil if_clone_detach(wlan_cloner); 1255 1.31.2.1 phil EVENTHANDLER_DEREGISTER(bpf_track, wlan_bpfevent); 1256 1.31.2.1 phil EVENTHANDLER_DEREGISTER(iflladdr_event, wlan_ifllevent); 1257 1.31.2.1 phil return 0; 1258 1.31 maxv } 1259 1.31.2.1 phil return EINVAL; 1260 1.31 maxv } 1261 1.31.2.1 phil 1262 1.31.2.1 phil static moduledata_t wlan_mod = { 1263 1.31.2.1 phil wlanname, 1264 1.31.2.1 phil wlan_modevent, 1265 1.31.2.1 phil 0 1266 1.31.2.1 phil }; 1267 1.31.2.1 phil DECLARE_MODULE(wlan, wlan_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST); 1268 1.31.2.1 phil MODULE_VERSION(wlan, 1); 1269 1.31.2.1 phil MODULE_DEPEND(wlan, ether, 1, 1, 1); 1270 1.31.2.2 phil #endif 1271 1.31.2.2 phil 1272 1.31.2.1 phil #ifdef IEEE80211_ALQ 1273 1.31.2.1 phil MODULE_DEPEND(wlan, alq, 1, 1, 1); 1274 1.31.2.1 phil #endif /* IEEE80211_ALQ */ 1275 1.31.2.1 phil 1276 1.31.2.2 phil /* Missing support for if_printf in NetBSD ... */ 1277 1.31.2.2 phil int 1278 1.31.2.2 phil if_printf(struct ifnet *ifp, const char *fmt, ...) 1279 1.31.2.2 phil { 1280 1.31.2.2 phil char if_fmt[256]; 1281 1.31.2.2 phil va_list ap; 1282 1.31.2.2 phil 1283 1.31.2.2 phil snprintf(if_fmt, sizeof(if_fmt), "%s: %s", ifp->if_xname, fmt); 1284 1.31.2.2 phil va_start(ap, fmt); 1285 1.31.2.2 phil vlog(LOG_INFO, if_fmt, ap); 1286 1.31.2.2 phil va_end(ap); 1287 1.31.2.2 phil return (0); 1288 1.31.2.2 phil } 1289 1.31.2.2 phil 1290 1.31.2.2 phil /* 1291 1.31.2.2 phil * Set the m_data pointer of a newly-allocated mbuf 1292 1.31.2.2 phil * to place an object of the specified size at the 1293 1.31.2.2 phil * end of the mbuf, longword aligned. 1294 1.31.2.2 phil */ 1295 1.31.2.2 phil void 1296 1.31.2.2 phil m_align(struct mbuf *m, int len) 1297 1.31.2.2 phil { 1298 1.31.2.2 phil int adjust; 1299 1.31.2.2 phil 1300 1.31.2.2 phil KASSERT(len != M_COPYALL); 1301 1.31.2.2 phil 1302 1.31.2.2 phil if (m->m_flags & M_EXT) 1303 1.31.2.2 phil adjust = m->m_ext.ext_size - len; 1304 1.31.2.2 phil else if (m->m_flags & M_PKTHDR) 1305 1.31.2.2 phil adjust = MHLEN - len; 1306 1.31.2.2 phil else 1307 1.31.2.2 phil adjust = MLEN - len; 1308 1.31.2.2 phil m->m_data += adjust &~ (sizeof(long)-1); 1309 1.31.2.2 phil } 1310 1.31.2.2 phil 1311 1.31.2.2 phil /* 1312 1.31.2.2 phil * Append the specified data to the indicated mbuf chain, 1313 1.31.2.2 phil * Extend the mbuf chain if the new data does not fit in 1314 1.31.2.2 phil * existing space. 1315 1.31.2.2 phil * 1316 1.31.2.2 phil * Return 1 if able to complete the job; otherwise 0. 1317 1.31.2.2 phil */ 1318 1.31.2.2 phil int 1319 1.31.2.2 phil m_append(struct mbuf *m0, int len, const void *cpv) 1320 1.31.2.2 phil { 1321 1.31.2.2 phil struct mbuf *m, *n; 1322 1.31.2.2 phil int remainder, space; 1323 1.31.2.2 phil const char *cp = cpv; 1324 1.31.2.2 phil 1325 1.31.2.2 phil KASSERT(len != M_COPYALL); 1326 1.31.2.2 phil for (m = m0; m->m_next != NULL; m = m->m_next) 1327 1.31.2.2 phil continue; 1328 1.31.2.2 phil remainder = len; 1329 1.31.2.2 phil space = M_TRAILINGSPACE(m); 1330 1.31.2.2 phil if (space > 0) { 1331 1.31.2.2 phil /* 1332 1.31.2.2 phil * Copy into available space. 1333 1.31.2.2 phil */ 1334 1.31.2.2 phil if (space > remainder) 1335 1.31.2.2 phil space = remainder; 1336 1.31.2.2 phil memmove(mtod(m, char *) + m->m_len, cp, space); 1337 1.31.2.2 phil m->m_len += space; 1338 1.31.2.2 phil cp = cp + space, remainder -= space; 1339 1.31.2.2 phil } 1340 1.31.2.2 phil while (remainder > 0) { 1341 1.31.2.2 phil /* 1342 1.31.2.2 phil * Allocate a new mbuf; could check space 1343 1.31.2.2 phil * and allocate a cluster instead. 1344 1.31.2.2 phil */ 1345 1.31.2.2 phil n = m_get(M_DONTWAIT, m->m_type); 1346 1.31.2.2 phil if (n == NULL) 1347 1.31.2.2 phil break; 1348 1.31.2.2 phil n->m_len = min(MLEN, remainder); 1349 1.31.2.2 phil memmove(mtod(n, void *), cp, n->m_len); 1350 1.31.2.2 phil cp += n->m_len, remainder -= n->m_len; 1351 1.31.2.2 phil m->m_next = n; 1352 1.31.2.2 phil m = n; 1353 1.31.2.2 phil } 1354 1.31.2.2 phil if (m0->m_flags & M_PKTHDR) 1355 1.31.2.2 phil m0->m_pkthdr.len += len - remainder; 1356 1.31.2.2 phil return (remainder == 0); 1357 1.31.2.2 phil } 1358 1.31.2.2 phil 1359 1.31.2.2 phil /* 1360 1.31.2.2 phil * Create a writable copy of the mbuf chain. While doing this 1361 1.31.2.2 phil * we compact the chain with a goal of producing a chain with 1362 1.31.2.2 phil * at most two mbufs. The second mbuf in this chain is likely 1363 1.31.2.2 phil * to be a cluster. The primary purpose of this work is to create 1364 1.31.2.2 phil * a writable packet for encryption, compression, etc. The 1365 1.31.2.2 phil * secondary goal is to linearize the data so the data can be 1366 1.31.2.2 phil * passed to crypto hardware in the most efficient manner possible. 1367 1.31.2.2 phil */ 1368 1.31.2.2 phil struct mbuf * 1369 1.31.2.2 phil m_unshare(struct mbuf *m0, int how) 1370 1.31.2.2 phil { 1371 1.31.2.2 phil struct mbuf *m, *mprev; 1372 1.31.2.2 phil struct mbuf *n, *mfirst, *mlast; 1373 1.31.2.2 phil int len, off; 1374 1.31.2.2 phil 1375 1.31.2.2 phil mprev = NULL; 1376 1.31.2.2 phil for (m = m0; m != NULL; m = mprev->m_next) { 1377 1.31.2.2 phil /* 1378 1.31.2.2 phil * Regular mbufs are ignored unless there's a cluster 1379 1.31.2.2 phil * in front of it that we can use to coalesce. We do 1380 1.31.2.2 phil * the latter mainly so later clusters can be coalesced 1381 1.31.2.2 phil * also w/o having to handle them specially (i.e. convert 1382 1.31.2.2 phil * mbuf+cluster -> cluster). This optimization is heavily 1383 1.31.2.2 phil * influenced by the assumption that we're running over 1384 1.31.2.2 phil * Ethernet where MCLBYTES is large enough that the max 1385 1.31.2.2 phil * packet size will permit lots of coalescing into a 1386 1.31.2.2 phil * single cluster. This in turn permits efficient 1387 1.31.2.2 phil * crypto operations, especially when using hardware. 1388 1.31.2.2 phil */ 1389 1.31.2.2 phil if ((m->m_flags & M_EXT) == 0) { 1390 1.31.2.2 phil if (mprev && (mprev->m_flags & M_EXT) && 1391 1.31.2.2 phil m->m_len <= M_TRAILINGSPACE(mprev)) { 1392 1.31.2.2 phil /* XXX: this ignores mbuf types */ 1393 1.31.2.3 phil memcpy(mtod(mprev, __uint8_t *) + mprev->m_len, 1394 1.31.2.3 phil mtod(m, __uint8_t *), m->m_len); 1395 1.31.2.2 phil mprev->m_len += m->m_len; 1396 1.31.2.2 phil mprev->m_next = m->m_next; /* unlink from chain */ 1397 1.31.2.2 phil m_free(m); /* reclaim mbuf */ 1398 1.31.2.2 phil } else { 1399 1.31.2.2 phil mprev = m; 1400 1.31.2.2 phil } 1401 1.31.2.2 phil continue; 1402 1.31.2.2 phil } 1403 1.31.2.2 phil /* 1404 1.31.2.2 phil * Writable mbufs are left alone (for now). 1405 1.31.2.2 phil */ 1406 1.31.2.2 phil if (!M_READONLY(m)) { 1407 1.31.2.2 phil mprev = m; 1408 1.31.2.2 phil continue; 1409 1.31.2.2 phil } 1410 1.31.2.2 phil 1411 1.31.2.2 phil /* 1412 1.31.2.2 phil * Not writable, replace with a copy or coalesce with 1413 1.31.2.2 phil * the previous mbuf if possible (since we have to copy 1414 1.31.2.2 phil * it anyway, we try to reduce the number of mbufs and 1415 1.31.2.2 phil * clusters so that future work is easier). 1416 1.31.2.2 phil */ 1417 1.31.2.2 phil FBSDKASSERT(m->m_flags & M_EXT, ("m_flags 0x%x", m->m_flags)); 1418 1.31.2.2 phil /* NB: we only coalesce into a cluster or larger */ 1419 1.31.2.2 phil if (mprev != NULL && (mprev->m_flags & M_EXT) && 1420 1.31.2.2 phil m->m_len <= M_TRAILINGSPACE(mprev)) { 1421 1.31.2.2 phil /* XXX: this ignores mbuf types */ 1422 1.31.2.3 phil memcpy(mtod(mprev, __uint8_t *) + mprev->m_len, 1423 1.31.2.3 phil mtod(m, __uint8_t *), m->m_len); 1424 1.31.2.2 phil mprev->m_len += m->m_len; 1425 1.31.2.2 phil mprev->m_next = m->m_next; /* unlink from chain */ 1426 1.31.2.2 phil m_free(m); /* reclaim mbuf */ 1427 1.31.2.2 phil continue; 1428 1.31.2.2 phil } 1429 1.31.2.2 phil 1430 1.31.2.2 phil /* 1431 1.31.2.2 phil * Allocate new space to hold the copy and copy the data. 1432 1.31.2.2 phil * We deal with jumbo mbufs (i.e. m_len > MCLBYTES) by 1433 1.31.2.2 phil * splitting them into clusters. We could just malloc a 1434 1.31.2.2 phil * buffer and make it external but too many device drivers 1435 1.31.2.2 phil * don't know how to break up the non-contiguous memory when 1436 1.31.2.2 phil * doing DMA. 1437 1.31.2.2 phil */ 1438 1.31.2.2 phil n = m_getcl(how, m->m_type, m->m_flags & M_COPYFLAGS); 1439 1.31.2.2 phil if (n == NULL) { 1440 1.31.2.2 phil m_freem(m0); 1441 1.31.2.2 phil return (NULL); 1442 1.31.2.2 phil } 1443 1.31.2.2 phil if (m->m_flags & M_PKTHDR) { 1444 1.31.2.2 phil FBSDKASSERT(mprev == NULL, ("%s: m0 %p, m %p has M_PKTHDR", 1445 1.31.2.2 phil __func__, m0, m)); 1446 1.31.2.2 phil m_move_pkthdr(n, m); 1447 1.31.2.2 phil } 1448 1.31.2.2 phil len = m->m_len; 1449 1.31.2.2 phil off = 0; 1450 1.31.2.2 phil mfirst = n; 1451 1.31.2.2 phil mlast = NULL; 1452 1.31.2.2 phil for (;;) { 1453 1.31.2.2 phil int cc = min(len, MCLBYTES); 1454 1.31.2.3 phil memcpy(mtod(n, __uint8_t *), mtod(m, __uint8_t *) + off, cc); 1455 1.31.2.2 phil n->m_len = cc; 1456 1.31.2.2 phil if (mlast != NULL) 1457 1.31.2.2 phil mlast->m_next = n; 1458 1.31.2.2 phil mlast = n; 1459 1.31.2.2 phil #if 0 1460 1.31.2.2 phil newipsecstat.ips_clcopied++; 1461 1.31.2.2 phil #endif 1462 1.31.2.2 phil 1463 1.31.2.2 phil len -= cc; 1464 1.31.2.2 phil if (len <= 0) 1465 1.31.2.2 phil break; 1466 1.31.2.2 phil off += cc; 1467 1.31.2.2 phil 1468 1.31.2.2 phil n = m_getcl(how, m->m_type, m->m_flags & M_COPYFLAGS); 1469 1.31.2.2 phil if (n == NULL) { 1470 1.31.2.2 phil m_freem(mfirst); 1471 1.31.2.2 phil m_freem(m0); 1472 1.31.2.2 phil return (NULL); 1473 1.31.2.2 phil } 1474 1.31.2.2 phil } 1475 1.31.2.2 phil n->m_next = m->m_next; 1476 1.31.2.2 phil if (mprev == NULL) 1477 1.31.2.2 phil m0 = mfirst; /* new head of chain */ 1478 1.31.2.2 phil else 1479 1.31.2.2 phil mprev->m_next = mfirst; /* replace old mbuf */ 1480 1.31.2.2 phil m_free(m); /* release old mbuf */ 1481 1.31.2.2 phil mprev = mfirst; 1482 1.31.2.2 phil } 1483 1.31.2.2 phil return (m0); 1484 1.31.2.2 phil } 1485
Indexes created Fri Sep 26 20:09:58 GMT 2025