ieee80211_netbsd.c revision 1.31.2.5
1 1.31.2.5 phil /* $NetBSD: ieee80211_netbsd.c,v 1.31.2.5 2018/07/28 00:49:43 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 1.31.2.5 phil __KERNEL_RCSID(0, "$NetBSD: ieee80211_netbsd.c,v 1.31.2.5 2018/07/28 00:49:43 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 1.31.2.5 phil * "taskqueue" support 91 1.31.2.5 phil */ 92 1.31.2.5 phil void ieee80211_runwork(struct work *work2do, void *arg) 93 1.31.2.5 phil { 94 1.31.2.5 phil struct task *work_task = (struct task *) work2do; 95 1.31.2.5 phil printf ("runwork called! work2do is 0x%lx, t_work.wk_dummy is 0x%lx\n", 96 1.31.2.5 phil (long) work2do, (long)work_task->t_work.wk_dummy); 97 1.31.2.5 phil printf (" runwork: t_func is 0x%lx, t_arg is 0x%lx\n", 98 1.31.2.5 phil (long)work_task->t_func, (long)work_task->t_arg); 99 1.31.2.5 phil 100 1.31.2.5 phil mutex_enter(&work_task->t_mutex); 101 1.31.2.5 phil work_task->t_onqueue = 0; 102 1.31.2.5 phil mutex_exit(&work_task->t_mutex); 103 1.31.2.5 phil 104 1.31.2.5 phil work_task->t_func(work_task->t_arg, 0); 105 1.31.2.5 phil } 106 1.31.2.5 phil 107 1.31.2.5 phil void taskqueue_enqueue(struct workqueue *wq, struct task *task_item) 108 1.31.2.5 phil { 109 1.31.2.5 phil printf ("taskqueue_enqueue called\n"); 110 1.31.2.5 phil mutex_enter(&task_item->t_mutex); 111 1.31.2.5 phil if (!task_item->t_onqueue) { 112 1.31.2.5 phil printf (" taskqueue_enqueue adding item to workqueue\n"); 113 1.31.2.5 phil workqueue_enqueue(wq, &task_item->t_work, NULL); 114 1.31.2.5 phil task_item->t_onqueue = 1; 115 1.31.2.5 phil } 116 1.31.2.5 phil mutex_exit(&task_item->t_mutex); 117 1.31.2.5 phil } 118 1.31.2.5 phil 119 1.31.2.5 phil void taskqueue_drain(struct workqueue *wq, struct task *task_item) 120 1.31.2.5 phil { 121 1.31.2.5 phil printf ("taskqueue_drain called\n"); 122 1.31.2.5 phil workqueue_wait(wq, &task_item->t_work); 123 1.31.2.5 phil } 124 1.31.2.5 phil 125 1.31.2.5 phil 126 1.31.2.3 phil static __unused int 127 1.31.2.3 phil wlan_clone_create(struct if_clone *ifc, int unit, void * params) 128 1.8 skrll { 129 1.31.2.1 phil struct ieee80211_clone_params cp; 130 1.31.2.1 phil struct ieee80211vap *vap; 131 1.31.2.1 phil struct ieee80211com *ic; 132 1.31.2.1 phil int error; 133 1.8 skrll 134 1.31.2.1 phil error = copyin(params, &cp, sizeof(cp)); 135 1.31.2.1 phil if (error) 136 1.31.2.1 phil return error; 137 1.31.2.1 phil ic = ieee80211_find_com(cp.icp_parent); 138 1.31.2.1 phil if (ic == NULL) 139 1.31.2.1 phil return ENXIO; 140 1.31.2.1 phil if (cp.icp_opmode >= IEEE80211_OPMODE_MAX) { 141 1.31.2.1 phil ic_printf(ic, "%s: invalid opmode %d\n", __func__, 142 1.31.2.1 phil cp.icp_opmode); 143 1.31.2.1 phil return EINVAL; 144 1.31.2.1 phil } 145 1.31.2.1 phil if ((ic->ic_caps & ieee80211_opcap[cp.icp_opmode]) == 0) { 146 1.31.2.1 phil ic_printf(ic, "%s mode not supported\n", 147 1.31.2.1 phil ieee80211_opmode_name[cp.icp_opmode]); 148 1.31.2.1 phil return EOPNOTSUPP; 149 1.31.2.1 phil } 150 1.31.2.1 phil if ((cp.icp_flags & IEEE80211_CLONE_TDMA) && 151 1.31.2.1 phil #ifdef IEEE80211_SUPPORT_TDMA 152 1.31.2.1 phil (ic->ic_caps & IEEE80211_C_TDMA) == 0 153 1.31.2.1 phil #else 154 1.31.2.1 phil (1) 155 1.31.2.1 phil #endif 156 1.31.2.1 phil ) { 157 1.31.2.1 phil ic_printf(ic, "TDMA not supported\n"); 158 1.31.2.1 phil return EOPNOTSUPP; 159 1.31.2.1 phil } 160 1.31.2.1 phil vap = ic->ic_vap_create(ic, wlanname, unit, 161 1.31.2.1 phil cp.icp_opmode, cp.icp_flags, cp.icp_bssid, 162 1.31.2.1 phil cp.icp_flags & IEEE80211_CLONE_MACADDR ? 163 1.31.2.1 phil cp.icp_macaddr : ic->ic_macaddr); 164 1.26 pooka 165 1.31.2.1 phil return (vap == NULL ? EIO : 0); 166 1.31.2.1 phil } 167 1.22 matt 168 1.31.2.3 phil static __unused void 169 1.31.2.1 phil wlan_clone_destroy(struct ifnet *ifp) 170 1.31.2.1 phil { 171 1.31.2.1 phil struct ieee80211vap *vap = ifp->if_softc; 172 1.31.2.1 phil struct ieee80211com *ic = vap->iv_ic; 173 1.12 yamt 174 1.31.2.1 phil ic->ic_vap_delete(vap); 175 1.8 skrll } 176 1.8 skrll 177 1.10 thorpej void 178 1.31.2.1 phil ieee80211_vap_destroy(struct ieee80211vap *vap) 179 1.10 thorpej { 180 1.31.2.2 phil #ifdef notyet 181 1.31.2.1 phil CURVNET_SET(vap->iv_ifp->if_vnet); 182 1.31.2.1 phil if_clone_destroyif(wlan_cloner, vap->iv_ifp); 183 1.31.2.1 phil CURVNET_RESTORE(); 184 1.31.2.2 phil #else 185 1.31.2.3 phil printf ("vap_destroy called ... what next?\n"); 186 1.31.2.2 phil #endif 187 1.10 thorpej } 188 1.10 thorpej 189 1.31.2.2 phil #ifdef notyet 190 1.31.2.1 phil int 191 1.31.2.1 phil ieee80211_sysctl_msecs_ticks(SYSCTL_HANDLER_ARGS) 192 1.1 dyoung { 193 1.31.2.1 phil int msecs = ticks_to_msecs(*(int *)arg1); 194 1.2 dyoung int error, t; 195 1.30 maxv 196 1.31.2.1 phil error = sysctl_handle_int(oidp, &msecs, 0, req); 197 1.31.2.1 phil if (error || !req->newptr) 198 1.30 maxv return error; 199 1.31.2.1 phil t = msecs_to_ticks(msecs); 200 1.31.2.1 phil *(int *)arg1 = (t < 1) ? 1 : t; 201 1.30 maxv return 0; 202 1.1 dyoung } 203 1.1 dyoung 204 1.1 dyoung static int 205 1.31.2.1 phil ieee80211_sysctl_inact(SYSCTL_HANDLER_ARGS) 206 1.1 dyoung { 207 1.31.2.1 phil int inact = (*(int *)arg1) * IEEE80211_INACT_WAIT; 208 1.31.2.1 phil int error; 209 1.2 dyoung 210 1.31.2.1 phil error = sysctl_handle_int(oidp, &inact, 0, req); 211 1.31.2.1 phil if (error || !req->newptr) 212 1.31.2.1 phil return error; 213 1.31.2.1 phil *(int *)arg1 = inact / IEEE80211_INACT_WAIT; 214 1.31.2.1 phil return 0; 215 1.2 dyoung } 216 1.31.2.4 phil #endif 217 1.2 dyoung 218 1.31.2.1 phil static int 219 1.31.2.4 phil ieee80211_sysctl_parent(SYSCTLFN_ARGS) 220 1.2 dyoung { 221 1.31.2.4 phil struct ieee80211vap *vap; 222 1.31.2.4 phil char pname[IFNAMSIZ]; 223 1.31.2.4 phil struct sysctlnode node; 224 1.2 dyoung 225 1.31.2.4 phil node = *rnode; 226 1.31.2.4 phil vap = node.sysctl_data; 227 1.31.2.4 phil strlcpy(pname, vap->iv_ifp->if_xname, IFNAMSIZ); 228 1.31.2.4 phil node.sysctl_data = pname; 229 1.31.2.4 phil return sysctl_lookup(SYSCTLFN_CALL(&node)); 230 1.1 dyoung } 231 1.1 dyoung 232 1.31.2.4 phil #ifdef notyet 233 1.31.2.1 phil static int 234 1.31.2.1 phil ieee80211_sysctl_radar(SYSCTL_HANDLER_ARGS) 235 1.1 dyoung { 236 1.31.2.1 phil struct ieee80211com *ic = arg1; 237 1.31.2.1 phil int t = 0, error; 238 1.1 dyoung 239 1.31.2.1 phil error = sysctl_handle_int(oidp, &t, 0, req); 240 1.31.2.1 phil if (error || !req->newptr) 241 1.31.2.1 phil return error; 242 1.31.2.1 phil IEEE80211_LOCK(ic); 243 1.31.2.1 phil ieee80211_dfs_notify_radar(ic, ic->ic_curchan); 244 1.31.2.1 phil IEEE80211_UNLOCK(ic); 245 1.31.2.1 phil return 0; 246 1.2 dyoung } 247 1.2 dyoung 248 1.2 dyoung /* 249 1.31.2.1 phil * For now, just restart everything. 250 1.2 dyoung * 251 1.31.2.1 phil * Later on, it'd be nice to have a separate VAP restart to 252 1.31.2.1 phil * full-device restart. 253 1.30 maxv */ 254 1.31.2.1 phil static int 255 1.31.2.1 phil ieee80211_sysctl_vap_restart(SYSCTL_HANDLER_ARGS) 256 1.2 dyoung { 257 1.31.2.1 phil struct ieee80211vap *vap = arg1; 258 1.31.2.1 phil int t = 0, error; 259 1.1 dyoung 260 1.31.2.1 phil error = sysctl_handle_int(oidp, &t, 0, req); 261 1.31.2.1 phil if (error || !req->newptr) 262 1.31.2.1 phil return error; 263 1.2 dyoung 264 1.31.2.1 phil ieee80211_restart_all(vap->iv_ic); 265 1.31.2.1 phil return 0; 266 1.2 dyoung } 267 1.31.2.2 phil #endif /* notyet */ 268 1.2 dyoung 269 1.31.2.1 phil void 270 1.31.2.1 phil ieee80211_sysctl_attach(struct ieee80211com *ic) 271 1.31.2.1 phil { 272 1.2 dyoung } 273 1.2 dyoung 274 1.31.2.1 phil void 275 1.31.2.1 phil ieee80211_sysctl_detach(struct ieee80211com *ic) 276 1.2 dyoung { 277 1.2 dyoung } 278 1.2 dyoung 279 1.31.2.4 phil /* 280 1.31.2.4 phil * Setup sysctl(3) MIB, net.ieee80211.* 281 1.31.2.4 phil * 282 1.31.2.4 phil * TBD condition CTLFLAG_PERMANENT on being a module or not 283 1.31.2.4 phil */ 284 1.31.2.4 phil static struct sysctllog *ieee80211_sysctllog; 285 1.31.2.4 phil static void 286 1.31.2.4 phil ieee80211_sysctl_setup(void) 287 1.31.2.4 phil { 288 1.31.2.4 phil int rc; 289 1.31.2.4 phil const struct sysctlnode *rnode; 290 1.31.2.4 phil 291 1.31.2.4 phil if ((rnode = ieee80211_sysctl_treetop(&ieee80211_sysctllog)) == NULL) 292 1.31.2.4 phil return; 293 1.31.2.4 phil 294 1.31.2.4 phil #ifdef notyet 295 1.31.2.4 phil if ((rc = sysctl_createv(&ieee80211_sysctllog, 0, &rnode, NULL, 296 1.31.2.4 phil CTLFLAG_PERMANENT, CTLTYPE_NODE, "nodes", "client/peer stations", 297 1.31.2.4 phil ieee80211_sysctl_node, 0, NULL, 0, CTL_CREATE, CTL_EOL)) != 0) 298 1.31.2.4 phil goto err; 299 1.31.2.4 phil #endif 300 1.31.2.4 phil 301 1.31.2.4 phil #ifdef IEEE80211_DEBUG 302 1.31.2.4 phil /* control debugging printfs */ 303 1.31.2.4 phil if ((rc = sysctl_createv(&ieee80211_sysctllog, 0, &rnode, NULL, 304 1.31.2.4 phil CTLFLAG_PERMANENT|CTLFLAG_READWRITE, CTLTYPE_INT, 305 1.31.2.4 phil "debug", SYSCTL_DESCR("control debugging printfs"), 306 1.31.2.4 phil NULL, 0, &ieee80211_debug, 0, CTL_CREATE, CTL_EOL)) != 0) 307 1.31.2.4 phil goto err; 308 1.31.2.4 phil #endif 309 1.31.2.4 phil 310 1.31.2.4 phil #ifdef notyet 311 1.31.2.4 phil ieee80211_rssadapt_sysctl_setup(&ieee80211_sysctllog); 312 1.31.2.4 phil #endif 313 1.31.2.4 phil 314 1.31.2.4 phil return; 315 1.31.2.4 phil err: 316 1.31.2.4 phil printf("%s: sysctl_createv failed (rc = %d)\n", __func__, rc); 317 1.31.2.4 phil } 318 1.31.2.4 phil 319 1.31.2.4 phil /* 320 1.31.2.4 phil * Create or get top of sysctl tree net.link.ieee80211. 321 1.31.2.4 phil */ 322 1.31.2.4 phil static const struct sysctlnode * 323 1.31.2.4 phil ieee80211_sysctl_treetop(struct sysctllog **log) 324 1.31.2.4 phil { 325 1.31.2.4 phil int rc; 326 1.31.2.4 phil const struct sysctlnode *rnode; 327 1.31.2.4 phil 328 1.31.2.4 phil if ((rc = sysctl_createv(log, 0, NULL, &rnode, 329 1.31.2.4 phil CTLFLAG_PERMANENT, CTLTYPE_NODE, "link", 330 1.31.2.4 phil "link-layer statistics and controls", 331 1.31.2.4 phil NULL, 0, NULL, 0, CTL_NET, PF_LINK, CTL_EOL)) != 0) 332 1.31.2.4 phil goto err; 333 1.31.2.4 phil 334 1.31.2.4 phil if ((rc = sysctl_createv(log, 0, &rnode, &rnode, 335 1.31.2.4 phil CTLFLAG_PERMANENT, CTLTYPE_NODE, "ieee80211", 336 1.31.2.4 phil "IEEE 802.11 WLAN statistics and controls", 337 1.31.2.4 phil NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL)) != 0) 338 1.31.2.4 phil goto err; 339 1.31.2.4 phil 340 1.31.2.4 phil return rnode; 341 1.31.2.4 phil err: 342 1.31.2.4 phil printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc); 343 1.31.2.4 phil return NULL; 344 1.31.2.4 phil } 345 1.31.2.4 phil 346 1.31.2.1 phil void 347 1.31.2.1 phil ieee80211_sysctl_vattach(struct ieee80211vap *vap) 348 1.2 dyoung { 349 1.31.2.4 phil int rc; 350 1.31.2.4 phil const struct sysctlnode *cnode, *rnode; 351 1.31.2.4 phil char num[sizeof("vap") + 14]; /* sufficient for 32 bits */ 352 1.31.2.4 phil 353 1.31.2.4 phil if ((rnode = ieee80211_sysctl_treetop(NULL)) == NULL) 354 1.31.2.4 phil return; 355 1.31.2.4 phil 356 1.31.2.4 phil snprintf(num, sizeof(num), "vap%u", vap->iv_ifp->if_index); 357 1.31.2.4 phil 358 1.31.2.4 phil if ((rc = sysctl_createv(&vap->iv_sysctllog, 0, &rnode, &rnode, 359 1.31.2.4 phil CTLFLAG_PERMANENT, CTLTYPE_NODE, num, SYSCTL_DESCR("virtual AP"), 360 1.31.2.4 phil NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL)) != 0) 361 1.31.2.4 phil goto err; 362 1.31.2.4 phil 363 1.31.2.4 phil /* control debugging printfs */ 364 1.31.2.4 phil if ((rc = sysctl_createv(&vap->iv_sysctllog, 0, &rnode, &cnode, 365 1.31.2.4 phil CTLFLAG_PERMANENT|CTLFLAG_READONLY, CTLTYPE_STRING, 366 1.31.2.4 phil "parent", SYSCTL_DESCR("parent device"), 367 1.31.2.4 phil ieee80211_sysctl_parent, 0, (void *)vap, IFNAMSIZ, 368 1.31.2.4 phil CTL_CREATE, CTL_EOL)) != 0) 369 1.31.2.4 phil goto err; 370 1.31.2.4 phil 371 1.31.2.4 phil 372 1.31.2.2 phil #ifdef notyet 373 1.31.2.1 phil struct ifnet *ifp = vap->iv_ifp; 374 1.31.2.1 phil struct sysctl_ctx_list *ctx; 375 1.31.2.1 phil struct sysctl_oid *oid; 376 1.31.2.1 phil char num[14]; /* sufficient for 32 bits */ 377 1.31.2.1 phil 378 1.31.2.1 phil ctx = (struct sysctl_ctx_list *) IEEE80211_MALLOC(sizeof(struct sysctl_ctx_list), 379 1.31.2.1 phil M_DEVBUF, IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 380 1.31.2.1 phil if (ctx == NULL) { 381 1.31.2.1 phil if_printf(ifp, "%s: cannot allocate sysctl context!\n", 382 1.31.2.1 phil __func__); 383 1.2 dyoung return; 384 1.31.2.1 phil } 385 1.31.2.1 phil sysctl_ctx_init(ctx); 386 1.31.2.1 phil snprintf(num, sizeof(num), "%u", ifp->if_dunit); 387 1.31.2.1 phil oid = SYSCTL_ADD_NODE(ctx, &SYSCTL_NODE_CHILDREN(_net, wlan), 388 1.31.2.1 phil OID_AUTO, num, CTLFLAG_RD, NULL, ""); 389 1.31.2.1 phil SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 390 1.31.2.1 phil "%parent", CTLTYPE_STRING | CTLFLAG_RD, vap->iv_ic, 0, 391 1.31.2.1 phil ieee80211_sysctl_parent, "A", "parent device"); 392 1.31.2.1 phil SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 393 1.31.2.1 phil "driver_caps", CTLFLAG_RW, &vap->iv_caps, 0, 394 1.31.2.1 phil "driver capabilities"); 395 1.2 dyoung #ifdef IEEE80211_DEBUG 396 1.31.2.1 phil vap->iv_debug = ieee80211_debug; 397 1.31.2.1 phil SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 398 1.31.2.1 phil "debug", CTLFLAG_RW, &vap->iv_debug, 0, 399 1.31.2.1 phil "control debugging printfs"); 400 1.30 maxv #endif 401 1.31.2.1 phil SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 402 1.31.2.1 phil "bmiss_max", CTLFLAG_RW, &vap->iv_bmiss_max, 0, 403 1.31.2.1 phil "consecutive beacon misses before scanning"); 404 1.31.2.1 phil /* XXX inherit from tunables */ 405 1.31.2.1 phil SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 406 1.31.2.1 phil "inact_run", CTLTYPE_INT | CTLFLAG_RW, &vap->iv_inact_run, 0, 407 1.31.2.1 phil ieee80211_sysctl_inact, "I", 408 1.31.2.1 phil "station inactivity timeout (sec)"); 409 1.31.2.1 phil SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 410 1.31.2.1 phil "inact_probe", CTLTYPE_INT | CTLFLAG_RW, &vap->iv_inact_probe, 0, 411 1.31.2.1 phil ieee80211_sysctl_inact, "I", 412 1.31.2.1 phil "station inactivity probe timeout (sec)"); 413 1.31.2.1 phil SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 414 1.31.2.1 phil "inact_auth", CTLTYPE_INT | CTLFLAG_RW, &vap->iv_inact_auth, 0, 415 1.31.2.1 phil ieee80211_sysctl_inact, "I", 416 1.31.2.1 phil "station authentication timeout (sec)"); 417 1.31.2.1 phil SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 418 1.31.2.1 phil "inact_init", CTLTYPE_INT | CTLFLAG_RW, &vap->iv_inact_init, 0, 419 1.31.2.1 phil ieee80211_sysctl_inact, "I", 420 1.31.2.1 phil "station initial state timeout (sec)"); 421 1.31.2.1 phil if (vap->iv_htcaps & IEEE80211_HTC_HT) { 422 1.31.2.1 phil SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 423 1.31.2.1 phil "ampdu_mintraffic_bk", CTLFLAG_RW, 424 1.31.2.1 phil &vap->iv_ampdu_mintraffic[WME_AC_BK], 0, 425 1.31.2.1 phil "BK traffic tx aggr threshold (pps)"); 426 1.31.2.1 phil SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 427 1.31.2.1 phil "ampdu_mintraffic_be", CTLFLAG_RW, 428 1.31.2.1 phil &vap->iv_ampdu_mintraffic[WME_AC_BE], 0, 429 1.31.2.1 phil "BE traffic tx aggr threshold (pps)"); 430 1.31.2.1 phil SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 431 1.31.2.1 phil "ampdu_mintraffic_vo", CTLFLAG_RW, 432 1.31.2.1 phil &vap->iv_ampdu_mintraffic[WME_AC_VO], 0, 433 1.31.2.1 phil "VO traffic tx aggr threshold (pps)"); 434 1.31.2.1 phil SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 435 1.31.2.1 phil "ampdu_mintraffic_vi", CTLFLAG_RW, 436 1.31.2.1 phil &vap->iv_ampdu_mintraffic[WME_AC_VI], 0, 437 1.31.2.1 phil "VI traffic tx aggr threshold (pps)"); 438 1.31.2.1 phil } 439 1.31.2.1 phil 440 1.31.2.1 phil SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 441 1.31.2.1 phil "force_restart", CTLTYPE_INT | CTLFLAG_RW, vap, 0, 442 1.31.2.1 phil ieee80211_sysctl_vap_restart, "I", 443 1.31.2.1 phil "force a VAP restart"); 444 1.31.2.1 phil 445 1.31.2.1 phil if (vap->iv_caps & IEEE80211_C_DFS) { 446 1.31.2.1 phil SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 447 1.31.2.1 phil "radar", CTLTYPE_INT | CTLFLAG_RW, vap->iv_ic, 0, 448 1.31.2.1 phil ieee80211_sysctl_radar, "I", "simulate radar event"); 449 1.31.2.1 phil } 450 1.31.2.1 phil vap->iv_sysctl = ctx; 451 1.31.2.1 phil vap->iv_oid = oid; 452 1.31.2.2 phil #endif 453 1.31.2.4 phil return; 454 1.31.2.4 phil err: 455 1.31.2.4 phil printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc); 456 1.31.2.1 phil } 457 1.2 dyoung 458 1.31.2.1 phil void 459 1.31.2.1 phil ieee80211_sysctl_vdetach(struct ieee80211vap *vap) 460 1.31.2.1 phil { 461 1.31.2.2 phil #ifdef notyet 462 1.31.2.1 phil if (vap->iv_sysctl != NULL) { 463 1.31.2.1 phil sysctl_ctx_free(vap->iv_sysctl); 464 1.31.2.1 phil IEEE80211_FREE(vap->iv_sysctl, M_DEVBUF); 465 1.31.2.1 phil vap->iv_sysctl = NULL; 466 1.31.2.1 phil } 467 1.31.2.2 phil #endif 468 1.1 dyoung } 469 1.1 dyoung 470 1.31.2.2 phil 471 1.1 dyoung int 472 1.1 dyoung ieee80211_node_dectestref(struct ieee80211_node *ni) 473 1.1 dyoung { 474 1.31.2.1 phil /* XXX need equivalent of atomic_dec_and_test */ 475 1.31.2.1 phil atomic_subtract_int(&ni->ni_refcnt, 1); 476 1.31.2.2 phil return atomic_cas_uint(&ni->ni_refcnt, 0, 1) == 0; 477 1.2 dyoung } 478 1.2 dyoung 479 1.2 dyoung void 480 1.15 degroote ieee80211_drain_ifq(struct ifqueue *ifq) 481 1.15 degroote { 482 1.15 degroote struct ieee80211_node *ni; 483 1.15 degroote struct mbuf *m; 484 1.15 degroote 485 1.15 degroote for (;;) { 486 1.15 degroote IF_DEQUEUE(ifq, m); 487 1.15 degroote if (m == NULL) 488 1.15 degroote break; 489 1.15 degroote 490 1.31.2.2 phil ni = (struct ieee80211_node *)m_get_rcvif_NOMPSAFE(m); 491 1.31.2.2 phil FBSDKASSERT(ni != NULL, ("frame w/o node")); 492 1.15 degroote ieee80211_free_node(ni); 493 1.31.2.2 phil ieee80211_free_mbuf(m); 494 1.15 degroote } 495 1.15 degroote } 496 1.15 degroote 497 1.15 degroote void 498 1.31.2.1 phil ieee80211_flush_ifq(struct ifqueue *ifq, struct ieee80211vap *vap) 499 1.2 dyoung { 500 1.31.2.1 phil struct ieee80211_node *ni; 501 1.31.2.1 phil struct mbuf *m, **mprev; 502 1.2 dyoung 503 1.31.2.2 phil IFQ_LOCK(ifq); 504 1.31.2.1 phil mprev = &ifq->ifq_head; 505 1.31.2.1 phil while ((m = *mprev) != NULL) { 506 1.31.2.2 phil ni = (struct ieee80211_node *)m_get_rcvif_NOMPSAFE(m); 507 1.31.2.1 phil if (ni != NULL && ni->ni_vap == vap) { 508 1.31.2.1 phil *mprev = m->m_nextpkt; /* remove from list */ 509 1.31.2.1 phil ifq->ifq_len--; 510 1.2 dyoung 511 1.31.2.1 phil ieee80211_free_node(ni); /* reclaim ref */ 512 1.31.2.2 phil ieee80211_free_mbuf(m); 513 1.31.2.1 phil } else 514 1.31.2.1 phil mprev = &m->m_nextpkt; 515 1.31.2.1 phil } 516 1.31.2.1 phil /* recalculate tail ptr */ 517 1.31.2.1 phil m = ifq->ifq_head; 518 1.31.2.1 phil for (; m != NULL && m->m_nextpkt != NULL; m = m->m_nextpkt) 519 1.31.2.1 phil ; 520 1.31.2.1 phil ifq->ifq_tail = m; 521 1.31.2.2 phil IFQ_UNLOCK(ifq); 522 1.2 dyoung } 523 1.2 dyoung 524 1.1 dyoung /* 525 1.31.2.1 phil * As above, for mbufs allocated with m_gethdr/MGETHDR 526 1.31.2.1 phil * or initialized by M_COPY_PKTHDR. 527 1.31.2.1 phil */ 528 1.31.2.1 phil #define MC_ALIGN(m, len) \ 529 1.31.2.1 phil do { \ 530 1.31.2.1 phil (m)->m_data += rounddown2(MCLBYTES - (len), sizeof(long)); \ 531 1.31.2.1 phil } while (/* CONSTCOND */ 0) 532 1.31.2.1 phil 533 1.31.2.1 phil /* 534 1.1 dyoung * Allocate and setup a management frame of the specified 535 1.1 dyoung * size. We return the mbuf and a pointer to the start 536 1.1 dyoung * of the contiguous data area that's been reserved based 537 1.1 dyoung * on the packet length. The data area is forced to 32-bit 538 1.1 dyoung * alignment and the buffer length to a multiple of 4 bytes. 539 1.1 dyoung * This is done mainly so beacon frames (that require this) 540 1.1 dyoung * can use this interface too. 541 1.1 dyoung */ 542 1.1 dyoung struct mbuf * 543 1.31.2.1 phil ieee80211_getmgtframe(uint8_t **frm, int headroom, int pktlen) 544 1.1 dyoung { 545 1.1 dyoung struct mbuf *m; 546 1.1 dyoung u_int len; 547 1.1 dyoung 548 1.1 dyoung /* 549 1.1 dyoung * NB: we know the mbuf routines will align the data area 550 1.1 dyoung * so we don't need to do anything special. 551 1.1 dyoung */ 552 1.31.2.1 phil len = roundup2(headroom + pktlen, 4); 553 1.31.2.2 phil FBSDKASSERT(len <= MCLBYTES, ("802.11 mgt frame too large: %u", len)); 554 1.31.2.1 phil if (len < MINCLSIZE) { 555 1.31.2.1 phil m = m_gethdr(M_NOWAIT, MT_DATA); 556 1.1 dyoung /* 557 1.1 dyoung * Align the data in case additional headers are added. 558 1.1 dyoung * This should only happen when a WEP header is added 559 1.1 dyoung * which only happens for shared key authentication mgt 560 1.1 dyoung * frames which all fit in MHLEN. 561 1.1 dyoung */ 562 1.1 dyoung if (m != NULL) 563 1.31.2.5 phil MH_ALIGN(m, len); 564 1.30 maxv } else { 565 1.31.2.1 phil m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 566 1.31.2.1 phil if (m != NULL) 567 1.31.2.1 phil MC_ALIGN(m, len); 568 1.30 maxv } 569 1.1 dyoung if (m != NULL) { 570 1.31.2.1 phil m->m_data += headroom; 571 1.1 dyoung *frm = m->m_data; 572 1.1 dyoung } 573 1.1 dyoung return m; 574 1.1 dyoung } 575 1.1 dyoung 576 1.31.2.1 phil #ifndef __NO_STRICT_ALIGNMENT 577 1.31.2.1 phil /* 578 1.31.2.1 phil * Re-align the payload in the mbuf. This is mainly used (right now) 579 1.31.2.1 phil * to handle IP header alignment requirements on certain architectures. 580 1.31.2.1 phil */ 581 1.31.2.1 phil struct mbuf * 582 1.31.2.1 phil ieee80211_realign(struct ieee80211vap *vap, struct mbuf *m, size_t align) 583 1.31.2.1 phil { 584 1.31.2.1 phil int pktlen, space; 585 1.31.2.1 phil struct mbuf *n; 586 1.31.2.1 phil 587 1.31.2.1 phil pktlen = m->m_pkthdr.len; 588 1.31.2.1 phil space = pktlen + align; 589 1.31.2.1 phil if (space < MINCLSIZE) 590 1.31.2.1 phil n = m_gethdr(M_NOWAIT, MT_DATA); 591 1.31.2.1 phil else { 592 1.31.2.1 phil n = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, 593 1.31.2.1 phil space <= MCLBYTES ? MCLBYTES : 594 1.31.2.1 phil #if MJUMPAGESIZE != MCLBYTES 595 1.31.2.1 phil space <= MJUMPAGESIZE ? MJUMPAGESIZE : 596 1.31.2.1 phil #endif 597 1.31.2.1 phil space <= MJUM9BYTES ? MJUM9BYTES : MJUM16BYTES); 598 1.31.2.1 phil } 599 1.31.2.1 phil if (__predict_true(n != NULL)) { 600 1.31.2.1 phil m_move_pkthdr(n, m); 601 1.31.2.1 phil n->m_data = (caddr_t)(ALIGN(n->m_data + align) - align); 602 1.31.2.1 phil m_copydata(m, 0, pktlen, mtod(n, caddr_t)); 603 1.31.2.1 phil n->m_len = pktlen; 604 1.31.2.1 phil } else { 605 1.31.2.1 phil IEEE80211_DISCARD(vap, IEEE80211_MSG_ANY, 606 1.31.2.1 phil mtod(m, const struct ieee80211_frame *), NULL, 607 1.31.2.1 phil "%s", "no mbuf to realign"); 608 1.31.2.1 phil vap->iv_stats.is_rx_badalign++; 609 1.31.2.1 phil } 610 1.31.2.1 phil m_freem(m); 611 1.31.2.1 phil return n; 612 1.31.2.1 phil } 613 1.31.2.1 phil #endif /* !__NO_STRICT_ALIGNMENT */ 614 1.31.2.1 phil 615 1.31.2.1 phil int 616 1.31.2.1 phil ieee80211_add_callback(struct mbuf *m, 617 1.31.2.1 phil void (*func)(struct ieee80211_node *, void *, int), void *arg) 618 1.31.2.1 phil { 619 1.31.2.1 phil struct m_tag *mtag; 620 1.31.2.1 phil struct ieee80211_cb *cb; 621 1.31.2.1 phil 622 1.31.2.2 phil mtag = m_tag_get(/*MTAG_ABI_NET80211*/ NET80211_TAG_CALLBACK, 623 1.31.2.1 phil sizeof(struct ieee80211_cb), M_NOWAIT); 624 1.31.2.1 phil if (mtag == NULL) 625 1.31.2.1 phil return 0; 626 1.31.2.1 phil 627 1.31.2.1 phil cb = (struct ieee80211_cb *)(mtag+1); 628 1.31.2.1 phil cb->func = func; 629 1.31.2.1 phil cb->arg = arg; 630 1.31.2.1 phil m_tag_prepend(m, mtag); 631 1.31.2.1 phil m->m_flags |= M_TXCB; 632 1.31.2.1 phil return 1; 633 1.31.2.1 phil } 634 1.31.2.1 phil 635 1.31.2.1 phil int 636 1.31.2.1 phil ieee80211_add_xmit_params(struct mbuf *m, 637 1.31.2.1 phil const struct ieee80211_bpf_params *params) 638 1.31.2.1 phil { 639 1.31.2.1 phil struct m_tag *mtag; 640 1.31.2.1 phil struct ieee80211_tx_params *tx; 641 1.31.2.1 phil 642 1.31.2.2 phil mtag = m_tag_get(/*MTAG_ABI_NET80211*/ NET80211_TAG_XMIT_PARAMS, 643 1.31.2.1 phil sizeof(struct ieee80211_tx_params), M_NOWAIT); 644 1.31.2.1 phil if (mtag == NULL) 645 1.31.2.1 phil return (0); 646 1.31.2.1 phil 647 1.31.2.1 phil tx = (struct ieee80211_tx_params *)(mtag+1); 648 1.31.2.1 phil memcpy(&tx->params, params, sizeof(struct ieee80211_bpf_params)); 649 1.31.2.1 phil m_tag_prepend(m, mtag); 650 1.31.2.1 phil return (1); 651 1.31.2.1 phil } 652 1.31.2.1 phil 653 1.31.2.1 phil int 654 1.31.2.1 phil ieee80211_get_xmit_params(struct mbuf *m, 655 1.31.2.1 phil struct ieee80211_bpf_params *params) 656 1.31.2.1 phil { 657 1.31.2.1 phil struct m_tag *mtag; 658 1.31.2.1 phil struct ieee80211_tx_params *tx; 659 1.31.2.1 phil 660 1.31.2.2 phil mtag = m_tag_find(m, /*MTAG_ABI_NET80211,*/ NET80211_TAG_XMIT_PARAMS, 661 1.31.2.1 phil NULL); 662 1.31.2.1 phil if (mtag == NULL) 663 1.31.2.1 phil return (-1); 664 1.31.2.1 phil tx = (struct ieee80211_tx_params *)(mtag + 1); 665 1.31.2.1 phil memcpy(params, &tx->params, sizeof(struct ieee80211_bpf_params)); 666 1.31.2.1 phil return (0); 667 1.31.2.1 phil } 668 1.31.2.1 phil 669 1.1 dyoung void 670 1.31.2.1 phil ieee80211_process_callback(struct ieee80211_node *ni, 671 1.31.2.1 phil struct mbuf *m, int status) 672 1.31.2.1 phil { 673 1.31.2.1 phil struct m_tag *mtag; 674 1.31.2.1 phil 675 1.31.2.2 phil mtag = m_tag_find(m, /*MTAG_ABI_NET80211,*/ NET80211_TAG_CALLBACK, NULL); 676 1.31.2.1 phil if (mtag != NULL) { 677 1.31.2.1 phil struct ieee80211_cb *cb = (struct ieee80211_cb *)(mtag+1); 678 1.31.2.1 phil cb->func(ni, cb->arg, status); 679 1.31.2.1 phil } 680 1.31.2.1 phil } 681 1.31.2.1 phil 682 1.31.2.1 phil /* 683 1.31.2.1 phil * Add RX parameters to the given mbuf. 684 1.31.2.1 phil * 685 1.31.2.1 phil * Returns 1 if OK, 0 on error. 686 1.31.2.1 phil */ 687 1.31.2.1 phil int 688 1.31.2.1 phil ieee80211_add_rx_params(struct mbuf *m, const struct ieee80211_rx_stats *rxs) 689 1.31.2.1 phil { 690 1.31.2.1 phil struct m_tag *mtag; 691 1.31.2.1 phil struct ieee80211_rx_params *rx; 692 1.31.2.1 phil 693 1.31.2.2 phil mtag = m_tag_get(/*MTAG_ABI_NET80211,*/ NET80211_TAG_RECV_PARAMS, 694 1.31.2.1 phil sizeof(struct ieee80211_rx_stats), M_NOWAIT); 695 1.31.2.1 phil if (mtag == NULL) 696 1.31.2.1 phil return (0); 697 1.31.2.1 phil 698 1.31.2.1 phil rx = (struct ieee80211_rx_params *)(mtag + 1); 699 1.31.2.1 phil memcpy(&rx->params, rxs, sizeof(*rxs)); 700 1.31.2.1 phil m_tag_prepend(m, mtag); 701 1.31.2.1 phil return (1); 702 1.31.2.1 phil } 703 1.31.2.1 phil 704 1.31.2.1 phil int 705 1.31.2.1 phil ieee80211_get_rx_params(struct mbuf *m, struct ieee80211_rx_stats *rxs) 706 1.31.2.1 phil { 707 1.31.2.1 phil struct m_tag *mtag; 708 1.31.2.1 phil struct ieee80211_rx_params *rx; 709 1.31.2.1 phil 710 1.31.2.2 phil mtag = m_tag_find(m, /*MTAG_ABI_NET80211,*/ NET80211_TAG_RECV_PARAMS, 711 1.31.2.1 phil NULL); 712 1.31.2.1 phil if (mtag == NULL) 713 1.31.2.1 phil return (-1); 714 1.31.2.1 phil rx = (struct ieee80211_rx_params *)(mtag + 1); 715 1.31.2.1 phil memcpy(rxs, &rx->params, sizeof(*rxs)); 716 1.31.2.1 phil return (0); 717 1.31.2.1 phil } 718 1.31.2.1 phil 719 1.31.2.1 phil const struct ieee80211_rx_stats * 720 1.31.2.1 phil ieee80211_get_rx_params_ptr(struct mbuf *m) 721 1.31.2.1 phil { 722 1.31.2.1 phil struct m_tag *mtag; 723 1.31.2.1 phil struct ieee80211_rx_params *rx; 724 1.31.2.1 phil 725 1.31.2.2 phil mtag = m_tag_find(m, /*MTAG_ABI_NET80211,*/ NET80211_TAG_RECV_PARAMS, 726 1.31.2.1 phil NULL); 727 1.31.2.1 phil if (mtag == NULL) 728 1.31.2.1 phil return (NULL); 729 1.31.2.1 phil rx = (struct ieee80211_rx_params *)(mtag + 1); 730 1.31.2.1 phil return (&rx->params); 731 1.31.2.1 phil } 732 1.31.2.1 phil 733 1.31.2.1 phil 734 1.31.2.1 phil /* 735 1.31.2.1 phil * Add TOA parameters to the given mbuf. 736 1.31.2.1 phil */ 737 1.31.2.1 phil int 738 1.31.2.1 phil ieee80211_add_toa_params(struct mbuf *m, const struct ieee80211_toa_params *p) 739 1.31.2.1 phil { 740 1.31.2.1 phil struct m_tag *mtag; 741 1.31.2.1 phil struct ieee80211_toa_params *rp; 742 1.31.2.1 phil 743 1.31.2.2 phil mtag = m_tag_get(/*MTAG_ABI_NET80211,*/ NET80211_TAG_TOA_PARAMS, 744 1.31.2.1 phil sizeof(struct ieee80211_toa_params), M_NOWAIT); 745 1.31.2.1 phil if (mtag == NULL) 746 1.31.2.1 phil return (0); 747 1.31.2.1 phil 748 1.31.2.1 phil rp = (struct ieee80211_toa_params *)(mtag + 1); 749 1.31.2.1 phil memcpy(rp, p, sizeof(*rp)); 750 1.31.2.1 phil m_tag_prepend(m, mtag); 751 1.31.2.1 phil return (1); 752 1.31.2.1 phil } 753 1.31.2.1 phil 754 1.31.2.1 phil int 755 1.31.2.1 phil ieee80211_get_toa_params(struct mbuf *m, struct ieee80211_toa_params *p) 756 1.31.2.1 phil { 757 1.31.2.1 phil struct m_tag *mtag; 758 1.31.2.1 phil struct ieee80211_toa_params *rp; 759 1.31.2.1 phil 760 1.31.2.2 phil mtag = m_tag_find(m, /*MTAG_ABI_NET80211,*/ NET80211_TAG_TOA_PARAMS, 761 1.31.2.1 phil NULL); 762 1.31.2.1 phil if (mtag == NULL) 763 1.31.2.1 phil return (0); 764 1.31.2.1 phil rp = (struct ieee80211_toa_params *)(mtag + 1); 765 1.31.2.1 phil if (p != NULL) 766 1.31.2.1 phil memcpy(p, rp, sizeof(*p)); 767 1.31.2.1 phil return (1); 768 1.31.2.1 phil } 769 1.31.2.1 phil 770 1.31.2.1 phil /* 771 1.31.2.1 phil * Transmit a frame to the parent interface. 772 1.31.2.1 phil */ 773 1.31.2.1 phil int 774 1.31.2.1 phil ieee80211_parent_xmitpkt(struct ieee80211com *ic, struct mbuf *m) 775 1.1 dyoung { 776 1.31.2.1 phil int error; 777 1.31.2.5 phil printf ("ieee80211_parent_xmitpkt called\n"); 778 1.31.2.1 phil /* 779 1.31.2.1 phil * Assert the IC TX lock is held - this enforces the 780 1.31.2.1 phil * processing -> queuing order is maintained 781 1.31.2.1 phil */ 782 1.31.2.1 phil IEEE80211_TX_LOCK_ASSERT(ic); 783 1.31.2.1 phil error = ic->ic_transmit(ic, m); 784 1.31.2.1 phil if (error) { 785 1.31.2.1 phil struct ieee80211_node *ni; 786 1.31.2.1 phil 787 1.31.2.2 phil ni = (struct ieee80211_node *)m_get_rcvif_NOMPSAFE(m); 788 1.31.2.1 phil 789 1.31.2.1 phil /* XXX number of fragments */ 790 1.31.2.1 phil if_inc_counter(ni->ni_vap->iv_ifp, IFCOUNTER_OERRORS, 1); 791 1.31.2.1 phil ieee80211_free_node(ni); 792 1.31.2.1 phil ieee80211_free_mbuf(m); 793 1.31.2.1 phil } 794 1.31.2.1 phil return (error); 795 1.1 dyoung } 796 1.1 dyoung 797 1.31.2.1 phil /* 798 1.31.2.1 phil * Transmit a frame to the VAP interface. 799 1.31.2.1 phil */ 800 1.31.2.1 phil int 801 1.31.2.1 phil ieee80211_vap_xmitpkt(struct ieee80211vap *vap, struct mbuf *m) 802 1.31.2.1 phil { 803 1.31.2.1 phil struct ifnet *ifp = vap->iv_ifp; 804 1.31.2.1 phil 805 1.31.2.1 phil /* 806 1.31.2.1 phil * When transmitting via the VAP, we shouldn't hold 807 1.31.2.1 phil * any IC TX lock as the VAP TX path will acquire it. 808 1.31.2.1 phil */ 809 1.31.2.1 phil IEEE80211_TX_UNLOCK_ASSERT(vap->iv_ic); 810 1.31.2.1 phil 811 1.31.2.1 phil return (ifp->if_transmit(ifp, m)); 812 1.31.2.1 phil 813 1.31.2.1 phil } 814 1.31.2.1 phil 815 1.1 dyoung void 816 1.31.2.1 phil get_random_bytes(void *p, size_t n) 817 1.1 dyoung { 818 1.31.2.1 phil uint8_t *dp = p; 819 1.1 dyoung 820 1.31.2.1 phil while (n > 0) { 821 1.31.2.1 phil uint32_t v = arc4random(); 822 1.31.2.1 phil size_t nb = n > sizeof(uint32_t) ? sizeof(uint32_t) : n; 823 1.31.2.1 phil bcopy(&v, dp, n > sizeof(uint32_t) ? sizeof(uint32_t) : n); 824 1.31.2.1 phil dp += sizeof(uint32_t), n -= nb; 825 1.31.2.1 phil } 826 1.31.2.1 phil } 827 1.3 dyoung 828 1.31.2.1 phil /* 829 1.31.2.1 phil * Helper function for events that pass just a single mac address. 830 1.31.2.1 phil */ 831 1.31.2.1 phil static void 832 1.31.2.1 phil notify_macaddr(struct ifnet *ifp, int op, const uint8_t mac[IEEE80211_ADDR_LEN]) 833 1.31.2.1 phil { 834 1.31.2.1 phil struct ieee80211_join_event iev; 835 1.31.2.1 phil 836 1.31.2.1 phil CURVNET_SET(ifp->if_vnet); 837 1.7 dyoung memset(&iev, 0, sizeof(iev)); 838 1.31.2.1 phil IEEE80211_ADDR_COPY(iev.iev_addr, mac); 839 1.31.2.1 phil rt_ieee80211msg(ifp, op, &iev, sizeof(iev)); 840 1.31.2.1 phil CURVNET_RESTORE(); 841 1.31.2.1 phil } 842 1.31.2.1 phil 843 1.31.2.1 phil void 844 1.31.2.1 phil ieee80211_notify_node_join(struct ieee80211_node *ni, int newassoc) 845 1.31.2.1 phil { 846 1.31.2.1 phil struct ieee80211vap *vap = ni->ni_vap; 847 1.31.2.1 phil struct ifnet *ifp = vap->iv_ifp; 848 1.31.2.1 phil 849 1.31.2.1 phil CURVNET_SET_QUIET(ifp->if_vnet); 850 1.31.2.1 phil IEEE80211_NOTE(vap, IEEE80211_MSG_NODE, ni, "%snode join", 851 1.31.2.1 phil (ni == vap->iv_bss) ? "bss " : ""); 852 1.31.2.1 phil 853 1.31.2.1 phil if (ni == vap->iv_bss) { 854 1.31.2.1 phil notify_macaddr(ifp, newassoc ? 855 1.31.2.1 phil RTM_IEEE80211_ASSOC : RTM_IEEE80211_REASSOC, ni->ni_bssid); 856 1.1 dyoung if_link_state_change(ifp, LINK_STATE_UP); 857 1.16 christos } else { 858 1.31.2.1 phil notify_macaddr(ifp, newassoc ? 859 1.31.2.1 phil RTM_IEEE80211_JOIN : RTM_IEEE80211_REJOIN, ni->ni_macaddr); 860 1.1 dyoung } 861 1.31.2.1 phil CURVNET_RESTORE(); 862 1.1 dyoung } 863 1.1 dyoung 864 1.1 dyoung void 865 1.31.2.1 phil ieee80211_notify_node_leave(struct ieee80211_node *ni) 866 1.1 dyoung { 867 1.31.2.1 phil struct ieee80211vap *vap = ni->ni_vap; 868 1.31.2.1 phil struct ifnet *ifp = vap->iv_ifp; 869 1.1 dyoung 870 1.31.2.1 phil CURVNET_SET_QUIET(ifp->if_vnet); 871 1.31.2.1 phil IEEE80211_NOTE(vap, IEEE80211_MSG_NODE, ni, "%snode leave", 872 1.31.2.1 phil (ni == vap->iv_bss) ? "bss " : ""); 873 1.3 dyoung 874 1.31.2.1 phil if (ni == vap->iv_bss) { 875 1.1 dyoung rt_ieee80211msg(ifp, RTM_IEEE80211_DISASSOC, NULL, 0); 876 1.1 dyoung if_link_state_change(ifp, LINK_STATE_DOWN); 877 1.1 dyoung } else { 878 1.1 dyoung /* fire off wireless event station leaving */ 879 1.31.2.1 phil notify_macaddr(ifp, RTM_IEEE80211_LEAVE, ni->ni_macaddr); 880 1.1 dyoung } 881 1.31.2.1 phil CURVNET_RESTORE(); 882 1.1 dyoung } 883 1.1 dyoung 884 1.1 dyoung void 885 1.31.2.1 phil ieee80211_notify_scan_done(struct ieee80211vap *vap) 886 1.1 dyoung { 887 1.31.2.1 phil struct ifnet *ifp = vap->iv_ifp; 888 1.1 dyoung 889 1.31.2.1 phil IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, "%s\n", "notify scan done"); 890 1.1 dyoung 891 1.1 dyoung /* dispatch wireless event indicating scan completed */ 892 1.31.2.1 phil CURVNET_SET(ifp->if_vnet); 893 1.1 dyoung rt_ieee80211msg(ifp, RTM_IEEE80211_SCAN, NULL, 0); 894 1.31.2.1 phil CURVNET_RESTORE(); 895 1.1 dyoung } 896 1.1 dyoung 897 1.1 dyoung void 898 1.31.2.1 phil ieee80211_notify_replay_failure(struct ieee80211vap *vap, 899 1.1 dyoung const struct ieee80211_frame *wh, const struct ieee80211_key *k, 900 1.31.2.1 phil u_int64_t rsc, int tid) 901 1.1 dyoung { 902 1.31.2.1 phil struct ifnet *ifp = vap->iv_ifp; 903 1.1 dyoung 904 1.31.2.1 phil IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_CRYPTO, wh->i_addr2, 905 1.31.2.1 phil "%s replay detected tid %d <rsc %ju, csc %ju, keyix %u rxkeyix %u>", 906 1.31.2.1 phil k->wk_cipher->ic_name, tid, (intmax_t) rsc, 907 1.31.2.1 phil (intmax_t) k->wk_keyrsc[tid], 908 1.8 skrll k->wk_keyix, k->wk_rxkeyix); 909 1.1 dyoung 910 1.1 dyoung if (ifp != NULL) { /* NB: for cipher test modules */ 911 1.1 dyoung struct ieee80211_replay_event iev; 912 1.1 dyoung 913 1.1 dyoung IEEE80211_ADDR_COPY(iev.iev_dst, wh->i_addr1); 914 1.1 dyoung IEEE80211_ADDR_COPY(iev.iev_src, wh->i_addr2); 915 1.1 dyoung iev.iev_cipher = k->wk_cipher->ic_cipher; 916 1.8 skrll if (k->wk_rxkeyix != IEEE80211_KEYIX_NONE) 917 1.8 skrll iev.iev_keyix = k->wk_rxkeyix; 918 1.8 skrll else 919 1.8 skrll iev.iev_keyix = k->wk_keyix; 920 1.31.2.1 phil iev.iev_keyrsc = k->wk_keyrsc[tid]; 921 1.1 dyoung iev.iev_rsc = rsc; 922 1.31.2.1 phil CURVNET_SET(ifp->if_vnet); 923 1.1 dyoung rt_ieee80211msg(ifp, RTM_IEEE80211_REPLAY, &iev, sizeof(iev)); 924 1.31.2.1 phil CURVNET_RESTORE(); 925 1.1 dyoung } 926 1.1 dyoung } 927 1.1 dyoung 928 1.1 dyoung void 929 1.31.2.1 phil ieee80211_notify_michael_failure(struct ieee80211vap *vap, 930 1.1 dyoung const struct ieee80211_frame *wh, u_int keyix) 931 1.1 dyoung { 932 1.31.2.1 phil struct ifnet *ifp = vap->iv_ifp; 933 1.1 dyoung 934 1.31.2.1 phil IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_CRYPTO, wh->i_addr2, 935 1.31.2.1 phil "michael MIC verification failed <keyix %u>", keyix); 936 1.31.2.1 phil vap->iv_stats.is_rx_tkipmic++; 937 1.1 dyoung 938 1.1 dyoung if (ifp != NULL) { /* NB: for cipher test modules */ 939 1.1 dyoung struct ieee80211_michael_event iev; 940 1.1 dyoung 941 1.1 dyoung IEEE80211_ADDR_COPY(iev.iev_dst, wh->i_addr1); 942 1.1 dyoung IEEE80211_ADDR_COPY(iev.iev_src, wh->i_addr2); 943 1.1 dyoung iev.iev_cipher = IEEE80211_CIPHER_TKIP; 944 1.1 dyoung iev.iev_keyix = keyix; 945 1.31.2.1 phil CURVNET_SET(ifp->if_vnet); 946 1.1 dyoung rt_ieee80211msg(ifp, RTM_IEEE80211_MICHAEL, &iev, sizeof(iev)); 947 1.31.2.1 phil CURVNET_RESTORE(); 948 1.1 dyoung } 949 1.1 dyoung } 950 1.1 dyoung 951 1.1 dyoung void 952 1.31.2.1 phil ieee80211_notify_wds_discover(struct ieee80211_node *ni) 953 1.1 dyoung { 954 1.31.2.1 phil struct ieee80211vap *vap = ni->ni_vap; 955 1.31.2.1 phil struct ifnet *ifp = vap->iv_ifp; 956 1.31.2.1 phil 957 1.31.2.1 phil notify_macaddr(ifp, RTM_IEEE80211_WDS, ni->ni_macaddr); 958 1.31.2.1 phil } 959 1.31.2.1 phil 960 1.31.2.1 phil void 961 1.31.2.1 phil ieee80211_notify_csa(struct ieee80211com *ic, 962 1.31.2.1 phil const struct ieee80211_channel *c, int mode, int count) 963 1.31.2.1 phil { 964 1.31.2.1 phil struct ieee80211_csa_event iev; 965 1.31.2.1 phil struct ieee80211vap *vap; 966 1.31.2.1 phil struct ifnet *ifp; 967 1.1 dyoung 968 1.31.2.1 phil memset(&iev, 0, sizeof(iev)); 969 1.31.2.1 phil iev.iev_flags = c->ic_flags; 970 1.31.2.1 phil iev.iev_freq = c->ic_freq; 971 1.31.2.1 phil iev.iev_ieee = c->ic_ieee; 972 1.31.2.1 phil iev.iev_mode = mode; 973 1.31.2.1 phil iev.iev_count = count; 974 1.31.2.1 phil TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { 975 1.31.2.1 phil ifp = vap->iv_ifp; 976 1.31.2.1 phil CURVNET_SET(ifp->if_vnet); 977 1.31.2.1 phil rt_ieee80211msg(ifp, RTM_IEEE80211_CSA, &iev, sizeof(iev)); 978 1.31.2.1 phil CURVNET_RESTORE(); 979 1.31.2.1 phil } 980 1.31.2.1 phil } 981 1.31.2.1 phil 982 1.31.2.1 phil void 983 1.31.2.1 phil ieee80211_notify_radar(struct ieee80211com *ic, 984 1.31.2.1 phil const struct ieee80211_channel *c) 985 1.31.2.1 phil { 986 1.31.2.1 phil struct ieee80211_radar_event iev; 987 1.31.2.1 phil struct ieee80211vap *vap; 988 1.31.2.1 phil struct ifnet *ifp; 989 1.31.2.1 phil 990 1.31.2.1 phil memset(&iev, 0, sizeof(iev)); 991 1.31.2.1 phil iev.iev_flags = c->ic_flags; 992 1.31.2.1 phil iev.iev_freq = c->ic_freq; 993 1.31.2.1 phil iev.iev_ieee = c->ic_ieee; 994 1.31.2.1 phil TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { 995 1.31.2.1 phil ifp = vap->iv_ifp; 996 1.31.2.1 phil CURVNET_SET(ifp->if_vnet); 997 1.31.2.1 phil rt_ieee80211msg(ifp, RTM_IEEE80211_RADAR, &iev, sizeof(iev)); 998 1.31.2.1 phil CURVNET_RESTORE(); 999 1.31.2.1 phil } 1000 1.31.2.1 phil } 1001 1.31.2.1 phil 1002 1.31.2.1 phil void 1003 1.31.2.1 phil ieee80211_notify_cac(struct ieee80211com *ic, 1004 1.31.2.1 phil const struct ieee80211_channel *c, enum ieee80211_notify_cac_event type) 1005 1.31.2.1 phil { 1006 1.31.2.1 phil struct ieee80211_cac_event iev; 1007 1.31.2.1 phil struct ieee80211vap *vap; 1008 1.31.2.1 phil struct ifnet *ifp; 1009 1.31.2.1 phil 1010 1.31.2.1 phil memset(&iev, 0, sizeof(iev)); 1011 1.31.2.1 phil iev.iev_flags = c->ic_flags; 1012 1.31.2.1 phil iev.iev_freq = c->ic_freq; 1013 1.31.2.1 phil iev.iev_ieee = c->ic_ieee; 1014 1.31.2.1 phil iev.iev_type = type; 1015 1.31.2.1 phil TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { 1016 1.31.2.1 phil ifp = vap->iv_ifp; 1017 1.31.2.1 phil CURVNET_SET(ifp->if_vnet); 1018 1.31.2.1 phil rt_ieee80211msg(ifp, RTM_IEEE80211_CAC, &iev, sizeof(iev)); 1019 1.31.2.1 phil CURVNET_RESTORE(); 1020 1.31.2.1 phil } 1021 1.31.2.1 phil } 1022 1.31.2.1 phil 1023 1.31.2.1 phil void 1024 1.31.2.1 phil ieee80211_notify_node_deauth(struct ieee80211_node *ni) 1025 1.31.2.1 phil { 1026 1.31.2.1 phil struct ieee80211vap *vap = ni->ni_vap; 1027 1.31.2.1 phil struct ifnet *ifp = vap->iv_ifp; 1028 1.31.2.1 phil 1029 1.31.2.1 phil IEEE80211_NOTE(vap, IEEE80211_MSG_NODE, ni, "%s", "node deauth"); 1030 1.31.2.1 phil 1031 1.31.2.1 phil notify_macaddr(ifp, RTM_IEEE80211_DEAUTH, ni->ni_macaddr); 1032 1.31.2.1 phil } 1033 1.31.2.1 phil 1034 1.31.2.1 phil void 1035 1.31.2.1 phil ieee80211_notify_node_auth(struct ieee80211_node *ni) 1036 1.31.2.1 phil { 1037 1.31.2.1 phil struct ieee80211vap *vap = ni->ni_vap; 1038 1.31.2.1 phil struct ifnet *ifp = vap->iv_ifp; 1039 1.31.2.1 phil 1040 1.31.2.1 phil IEEE80211_NOTE(vap, IEEE80211_MSG_NODE, ni, "%s", "node auth"); 1041 1.31.2.1 phil 1042 1.31.2.1 phil notify_macaddr(ifp, RTM_IEEE80211_AUTH, ni->ni_macaddr); 1043 1.31.2.1 phil } 1044 1.31.2.1 phil 1045 1.31.2.1 phil void 1046 1.31.2.1 phil ieee80211_notify_country(struct ieee80211vap *vap, 1047 1.31.2.1 phil const uint8_t bssid[IEEE80211_ADDR_LEN], const uint8_t cc[2]) 1048 1.31.2.1 phil { 1049 1.31.2.1 phil struct ifnet *ifp = vap->iv_ifp; 1050 1.31.2.1 phil struct ieee80211_country_event iev; 1051 1.31.2.1 phil 1052 1.31.2.1 phil memset(&iev, 0, sizeof(iev)); 1053 1.31.2.1 phil IEEE80211_ADDR_COPY(iev.iev_addr, bssid); 1054 1.31.2.1 phil iev.iev_cc[0] = cc[0]; 1055 1.31.2.1 phil iev.iev_cc[1] = cc[1]; 1056 1.31.2.1 phil CURVNET_SET(ifp->if_vnet); 1057 1.31.2.1 phil rt_ieee80211msg(ifp, RTM_IEEE80211_COUNTRY, &iev, sizeof(iev)); 1058 1.31.2.1 phil CURVNET_RESTORE(); 1059 1.31.2.1 phil } 1060 1.31.2.1 phil 1061 1.31.2.1 phil void 1062 1.31.2.1 phil ieee80211_notify_radio(struct ieee80211com *ic, int state) 1063 1.31.2.1 phil { 1064 1.31.2.1 phil struct ieee80211_radio_event iev; 1065 1.31.2.1 phil struct ieee80211vap *vap; 1066 1.31.2.1 phil struct ifnet *ifp; 1067 1.31.2.1 phil 1068 1.31.2.1 phil memset(&iev, 0, sizeof(iev)); 1069 1.31.2.1 phil iev.iev_state = state; 1070 1.31.2.1 phil TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { 1071 1.31.2.1 phil ifp = vap->iv_ifp; 1072 1.31.2.1 phil CURVNET_SET(ifp->if_vnet); 1073 1.31.2.1 phil rt_ieee80211msg(ifp, RTM_IEEE80211_RADIO, &iev, sizeof(iev)); 1074 1.31.2.1 phil CURVNET_RESTORE(); 1075 1.1 dyoung } 1076 1.31.2.1 phil } 1077 1.31.2.1 phil 1078 1.31.2.3 phil #ifdef notyet 1079 1.31.2.1 phil void 1080 1.31.2.1 phil ieee80211_load_module(const char *modname) 1081 1.31.2.1 phil { 1082 1.31.2.2 phil struct thread *td = curthread; 1083 1.31.2.2 phil 1084 1.31.2.2 phil if (suser(td) == 0 && securelevel_gt(td->td_ucred, 0) == 0) { 1085 1.31.2.2 phil mtx_lock(&Giant); 1086 1.31.2.2 phil (void) linker_load_module(modname, NULL, NULL, NULL, NULL); 1087 1.31.2.2 phil mtx_unlock(&Giant); 1088 1.31.2.2 phil } 1089 1.1 dyoung } 1090 1.31.2.3 phil #endif 1091 1.31 maxv 1092 1.31.2.2 phil #ifdef notyet 1093 1.31.2.1 phil static eventhandler_tag wlan_bpfevent; 1094 1.31.2.1 phil static eventhandler_tag wlan_ifllevent; 1095 1.31.2.1 phil 1096 1.31.2.1 phil static void 1097 1.31.2.1 phil bpf_track(void *arg, struct ifnet *ifp, int dlt, int attach) 1098 1.31.2.1 phil { 1099 1.31.2.1 phil /* NB: identify vap's by if_init */ 1100 1.31.2.1 phil if (dlt == DLT_IEEE802_11_RADIO && 1101 1.31.2.1 phil ifp->if_init == ieee80211_init) { 1102 1.31.2.1 phil struct ieee80211vap *vap = ifp->if_softc; 1103 1.31.2.1 phil /* 1104 1.31.2.1 phil * Track bpf radiotap listener state. We mark the vap 1105 1.31.2.1 phil * to indicate if any listener is present and the com 1106 1.31.2.1 phil * to indicate if any listener exists on any associated 1107 1.31.2.1 phil * vap. This flag is used by drivers to prepare radiotap 1108 1.31.2.1 phil * state only when needed. 1109 1.31.2.1 phil */ 1110 1.31.2.1 phil if (attach) { 1111 1.31.2.1 phil ieee80211_syncflag_ext(vap, IEEE80211_FEXT_BPF); 1112 1.31.2.1 phil if (vap->iv_opmode == IEEE80211_M_MONITOR) 1113 1.31.2.1 phil atomic_add_int(&vap->iv_ic->ic_montaps, 1); 1114 1.31.2.1 phil } else if (!bpf_peers_present(vap->iv_rawbpf)) { 1115 1.31.2.1 phil ieee80211_syncflag_ext(vap, -IEEE80211_FEXT_BPF); 1116 1.31.2.1 phil if (vap->iv_opmode == IEEE80211_M_MONITOR) 1117 1.31.2.1 phil atomic_subtract_int(&vap->iv_ic->ic_montaps, 1); 1118 1.31.2.1 phil } 1119 1.31.2.1 phil } 1120 1.31.2.1 phil } 1121 1.31 maxv 1122 1.31 maxv /* 1123 1.31.2.1 phil * Change MAC address on the vap (if was not started). 1124 1.31 maxv */ 1125 1.31.2.1 phil static void 1126 1.31.2.1 phil wlan_iflladdr(void *arg __unused, struct ifnet *ifp) 1127 1.31 maxv { 1128 1.31.2.1 phil /* NB: identify vap's by if_init */ 1129 1.31.2.1 phil if (ifp->if_init == ieee80211_init && 1130 1.31.2.1 phil (ifp->if_flags & IFF_UP) == 0) { 1131 1.31.2.1 phil struct ieee80211vap *vap = ifp->if_softc; 1132 1.31 maxv 1133 1.31.2.1 phil IEEE80211_ADDR_COPY(vap->iv_myaddr, IF_LLADDR(ifp)); 1134 1.31.2.1 phil } 1135 1.31 maxv } 1136 1.31.2.2 phil #endif 1137 1.31.2.2 phil 1138 1.31.2.2 phil void 1139 1.31.2.2 phil if_inc_counter(struct ifnet *ifp, ift_counter ifc, int64_t value) 1140 1.31.2.2 phil { 1141 1.31.2.2 phil switch (ifc) { 1142 1.31.2.2 phil case IFCOUNTER_IPACKETS: 1143 1.31.2.2 phil ifp->if_data.ifi_ipackets += value; 1144 1.31.2.2 phil break; 1145 1.31.2.2 phil case IFCOUNTER_IERRORS: 1146 1.31.2.2 phil ifp->if_data.ifi_ierrors += value; 1147 1.31.2.2 phil break; 1148 1.31.2.2 phil case IFCOUNTER_OPACKETS: 1149 1.31.2.2 phil ifp->if_data.ifi_opackets += value; 1150 1.31.2.2 phil break; 1151 1.31.2.2 phil case IFCOUNTER_OERRORS: 1152 1.31.2.2 phil ifp->if_data.ifi_oerrors += value; 1153 1.31.2.2 phil break; 1154 1.31.2.2 phil case IFCOUNTER_COLLISIONS: 1155 1.31.2.2 phil ifp->if_data.ifi_collisions += value; 1156 1.31.2.2 phil break; 1157 1.31.2.2 phil case IFCOUNTER_IBYTES: 1158 1.31.2.2 phil ifp->if_data.ifi_ibytes += value; 1159 1.31.2.2 phil break; 1160 1.31.2.2 phil case IFCOUNTER_OBYTES: 1161 1.31.2.2 phil ifp->if_data.ifi_obytes += value; 1162 1.31.2.2 phil break; 1163 1.31.2.2 phil case IFCOUNTER_IMCASTS: 1164 1.31.2.2 phil ifp->if_data.ifi_imcasts += value; 1165 1.31.2.2 phil break; 1166 1.31.2.2 phil case IFCOUNTER_OMCASTS: 1167 1.31.2.2 phil ifp->if_data.ifi_omcasts += value; 1168 1.31.2.2 phil break; 1169 1.31.2.2 phil case IFCOUNTER_IQDROPS: 1170 1.31.2.2 phil ifp->if_data.ifi_iqdrops += value; 1171 1.31.2.2 phil break; 1172 1.31.2.2 phil case IFCOUNTER_OQDROPS: 1173 1.31.2.2 phil /* ifp->if_data.ifi_oqdrops += value; No such field, just ignore it q*/ 1174 1.31.2.2 phil break; 1175 1.31.2.2 phil case IFCOUNTER_NOPROTO: 1176 1.31.2.2 phil ifp->if_data.ifi_noproto += value; 1177 1.31.2.2 phil break; 1178 1.31.2.2 phil default: 1179 1.31.2.2 phil panic("if_inc_counter: non-existant counter"); 1180 1.31.2.2 phil } 1181 1.31.2.2 phil } 1182 1.31.2.2 phil 1183 1.31 maxv 1184 1.31.2.2 phil #ifdef notyet 1185 1.31 maxv /* 1186 1.31.2.1 phil * Module glue. 1187 1.31 maxv * 1188 1.31.2.1 phil * NB: the module name is "wlan" for compatibility with NetBSD. 1189 1.31 maxv */ 1190 1.31.2.1 phil static int 1191 1.31.2.1 phil wlan_modevent(module_t mod, int type, void *unused) 1192 1.31 maxv { 1193 1.31.2.1 phil switch (type) { 1194 1.31.2.1 phil case MOD_LOAD: 1195 1.31.2.1 phil if (bootverbose) 1196 1.31.2.1 phil printf("wlan: <802.11 Link Layer>\n"); 1197 1.31.2.1 phil wlan_bpfevent = EVENTHANDLER_REGISTER(bpf_track, 1198 1.31.2.1 phil bpf_track, 0, EVENTHANDLER_PRI_ANY); 1199 1.31.2.1 phil wlan_ifllevent = EVENTHANDLER_REGISTER(iflladdr_event, 1200 1.31.2.1 phil wlan_iflladdr, NULL, EVENTHANDLER_PRI_ANY); 1201 1.31.2.1 phil wlan_cloner = if_clone_simple(wlanname, wlan_clone_create, 1202 1.31.2.1 phil wlan_clone_destroy, 0); 1203 1.31.2.1 phil return 0; 1204 1.31.2.1 phil case MOD_UNLOAD: 1205 1.31.2.1 phil if_clone_detach(wlan_cloner); 1206 1.31.2.1 phil EVENTHANDLER_DEREGISTER(bpf_track, wlan_bpfevent); 1207 1.31.2.1 phil EVENTHANDLER_DEREGISTER(iflladdr_event, wlan_ifllevent); 1208 1.31.2.1 phil return 0; 1209 1.31 maxv } 1210 1.31.2.1 phil return EINVAL; 1211 1.31 maxv } 1212 1.31.2.1 phil 1213 1.31.2.1 phil static moduledata_t wlan_mod = { 1214 1.31.2.1 phil wlanname, 1215 1.31.2.1 phil wlan_modevent, 1216 1.31.2.1 phil 0 1217 1.31.2.1 phil }; 1218 1.31.2.1 phil DECLARE_MODULE(wlan, wlan_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST); 1219 1.31.2.1 phil MODULE_VERSION(wlan, 1); 1220 1.31.2.1 phil MODULE_DEPEND(wlan, ether, 1, 1, 1); 1221 1.31.2.2 phil #endif 1222 1.31.2.2 phil 1223 1.31.2.1 phil #ifdef IEEE80211_ALQ 1224 1.31.2.1 phil MODULE_DEPEND(wlan, alq, 1, 1, 1); 1225 1.31.2.1 phil #endif /* IEEE80211_ALQ */ 1226 1.31.2.1 phil 1227 1.31.2.2 phil /* Missing support for if_printf in NetBSD ... */ 1228 1.31.2.2 phil int 1229 1.31.2.2 phil if_printf(struct ifnet *ifp, const char *fmt, ...) 1230 1.31.2.2 phil { 1231 1.31.2.2 phil char if_fmt[256]; 1232 1.31.2.2 phil va_list ap; 1233 1.31.2.2 phil 1234 1.31.2.2 phil snprintf(if_fmt, sizeof(if_fmt), "%s: %s", ifp->if_xname, fmt); 1235 1.31.2.2 phil va_start(ap, fmt); 1236 1.31.2.2 phil vlog(LOG_INFO, if_fmt, ap); 1237 1.31.2.2 phil va_end(ap); 1238 1.31.2.2 phil return (0); 1239 1.31.2.2 phil } 1240 1.31.2.2 phil 1241 1.31.2.2 phil /* 1242 1.31.2.2 phil * Set the m_data pointer of a newly-allocated mbuf 1243 1.31.2.2 phil * to place an object of the specified size at the 1244 1.31.2.2 phil * end of the mbuf, longword aligned. 1245 1.31.2.2 phil */ 1246 1.31.2.2 phil void 1247 1.31.2.2 phil m_align(struct mbuf *m, int len) 1248 1.31.2.2 phil { 1249 1.31.2.2 phil int adjust; 1250 1.31.2.2 phil 1251 1.31.2.2 phil KASSERT(len != M_COPYALL); 1252 1.31.2.2 phil 1253 1.31.2.2 phil if (m->m_flags & M_EXT) 1254 1.31.2.2 phil adjust = m->m_ext.ext_size - len; 1255 1.31.2.2 phil else if (m->m_flags & M_PKTHDR) 1256 1.31.2.2 phil adjust = MHLEN - len; 1257 1.31.2.2 phil else 1258 1.31.2.2 phil adjust = MLEN - len; 1259 1.31.2.2 phil m->m_data += adjust &~ (sizeof(long)-1); 1260 1.31.2.2 phil } 1261 1.31.2.2 phil 1262 1.31.2.2 phil /* 1263 1.31.2.2 phil * Append the specified data to the indicated mbuf chain, 1264 1.31.2.2 phil * Extend the mbuf chain if the new data does not fit in 1265 1.31.2.2 phil * existing space. 1266 1.31.2.2 phil * 1267 1.31.2.2 phil * Return 1 if able to complete the job; otherwise 0. 1268 1.31.2.2 phil */ 1269 1.31.2.2 phil int 1270 1.31.2.2 phil m_append(struct mbuf *m0, int len, const void *cpv) 1271 1.31.2.2 phil { 1272 1.31.2.2 phil struct mbuf *m, *n; 1273 1.31.2.2 phil int remainder, space; 1274 1.31.2.2 phil const char *cp = cpv; 1275 1.31.2.2 phil 1276 1.31.2.2 phil KASSERT(len != M_COPYALL); 1277 1.31.2.2 phil for (m = m0; m->m_next != NULL; m = m->m_next) 1278 1.31.2.2 phil continue; 1279 1.31.2.2 phil remainder = len; 1280 1.31.2.2 phil space = M_TRAILINGSPACE(m); 1281 1.31.2.2 phil if (space > 0) { 1282 1.31.2.2 phil /* 1283 1.31.2.2 phil * Copy into available space. 1284 1.31.2.2 phil */ 1285 1.31.2.2 phil if (space > remainder) 1286 1.31.2.2 phil space = remainder; 1287 1.31.2.2 phil memmove(mtod(m, char *) + m->m_len, cp, space); 1288 1.31.2.2 phil m->m_len += space; 1289 1.31.2.2 phil cp = cp + space, remainder -= space; 1290 1.31.2.2 phil } 1291 1.31.2.2 phil while (remainder > 0) { 1292 1.31.2.2 phil /* 1293 1.31.2.2 phil * Allocate a new mbuf; could check space 1294 1.31.2.2 phil * and allocate a cluster instead. 1295 1.31.2.2 phil */ 1296 1.31.2.2 phil n = m_get(M_DONTWAIT, m->m_type); 1297 1.31.2.2 phil if (n == NULL) 1298 1.31.2.2 phil break; 1299 1.31.2.2 phil n->m_len = min(MLEN, remainder); 1300 1.31.2.2 phil memmove(mtod(n, void *), cp, n->m_len); 1301 1.31.2.2 phil cp += n->m_len, remainder -= n->m_len; 1302 1.31.2.2 phil m->m_next = n; 1303 1.31.2.2 phil m = n; 1304 1.31.2.2 phil } 1305 1.31.2.2 phil if (m0->m_flags & M_PKTHDR) 1306 1.31.2.2 phil m0->m_pkthdr.len += len - remainder; 1307 1.31.2.2 phil return (remainder == 0); 1308 1.31.2.2 phil } 1309 1.31.2.2 phil 1310 1.31.2.2 phil /* 1311 1.31.2.2 phil * Create a writable copy of the mbuf chain. While doing this 1312 1.31.2.2 phil * we compact the chain with a goal of producing a chain with 1313 1.31.2.2 phil * at most two mbufs. The second mbuf in this chain is likely 1314 1.31.2.2 phil * to be a cluster. The primary purpose of this work is to create 1315 1.31.2.2 phil * a writable packet for encryption, compression, etc. The 1316 1.31.2.2 phil * secondary goal is to linearize the data so the data can be 1317 1.31.2.2 phil * passed to crypto hardware in the most efficient manner possible. 1318 1.31.2.2 phil */ 1319 1.31.2.2 phil struct mbuf * 1320 1.31.2.2 phil m_unshare(struct mbuf *m0, int how) 1321 1.31.2.2 phil { 1322 1.31.2.2 phil struct mbuf *m, *mprev; 1323 1.31.2.2 phil struct mbuf *n, *mfirst, *mlast; 1324 1.31.2.2 phil int len, off; 1325 1.31.2.2 phil 1326 1.31.2.2 phil mprev = NULL; 1327 1.31.2.2 phil for (m = m0; m != NULL; m = mprev->m_next) { 1328 1.31.2.2 phil /* 1329 1.31.2.2 phil * Regular mbufs are ignored unless there's a cluster 1330 1.31.2.2 phil * in front of it that we can use to coalesce. We do 1331 1.31.2.2 phil * the latter mainly so later clusters can be coalesced 1332 1.31.2.2 phil * also w/o having to handle them specially (i.e. convert 1333 1.31.2.2 phil * mbuf+cluster -> cluster). This optimization is heavily 1334 1.31.2.2 phil * influenced by the assumption that we're running over 1335 1.31.2.2 phil * Ethernet where MCLBYTES is large enough that the max 1336 1.31.2.2 phil * packet size will permit lots of coalescing into a 1337 1.31.2.2 phil * single cluster. This in turn permits efficient 1338 1.31.2.2 phil * crypto operations, especially when using hardware. 1339 1.31.2.2 phil */ 1340 1.31.2.2 phil if ((m->m_flags & M_EXT) == 0) { 1341 1.31.2.2 phil if (mprev && (mprev->m_flags & M_EXT) && 1342 1.31.2.2 phil m->m_len <= M_TRAILINGSPACE(mprev)) { 1343 1.31.2.2 phil /* XXX: this ignores mbuf types */ 1344 1.31.2.3 phil memcpy(mtod(mprev, __uint8_t *) + mprev->m_len, 1345 1.31.2.3 phil mtod(m, __uint8_t *), m->m_len); 1346 1.31.2.2 phil mprev->m_len += m->m_len; 1347 1.31.2.2 phil mprev->m_next = m->m_next; /* unlink from chain */ 1348 1.31.2.2 phil m_free(m); /* reclaim mbuf */ 1349 1.31.2.2 phil } else { 1350 1.31.2.2 phil mprev = m; 1351 1.31.2.2 phil } 1352 1.31.2.2 phil continue; 1353 1.31.2.2 phil } 1354 1.31.2.2 phil /* 1355 1.31.2.2 phil * Writable mbufs are left alone (for now). 1356 1.31.2.2 phil */ 1357 1.31.2.2 phil if (!M_READONLY(m)) { 1358 1.31.2.2 phil mprev = m; 1359 1.31.2.2 phil continue; 1360 1.31.2.2 phil } 1361 1.31.2.2 phil 1362 1.31.2.2 phil /* 1363 1.31.2.2 phil * Not writable, replace with a copy or coalesce with 1364 1.31.2.2 phil * the previous mbuf if possible (since we have to copy 1365 1.31.2.2 phil * it anyway, we try to reduce the number of mbufs and 1366 1.31.2.2 phil * clusters so that future work is easier). 1367 1.31.2.2 phil */ 1368 1.31.2.2 phil FBSDKASSERT(m->m_flags & M_EXT, ("m_flags 0x%x", m->m_flags)); 1369 1.31.2.2 phil /* NB: we only coalesce into a cluster or larger */ 1370 1.31.2.2 phil if (mprev != NULL && (mprev->m_flags & M_EXT) && 1371 1.31.2.2 phil m->m_len <= M_TRAILINGSPACE(mprev)) { 1372 1.31.2.2 phil /* XXX: this ignores mbuf types */ 1373 1.31.2.3 phil memcpy(mtod(mprev, __uint8_t *) + mprev->m_len, 1374 1.31.2.3 phil mtod(m, __uint8_t *), m->m_len); 1375 1.31.2.2 phil mprev->m_len += m->m_len; 1376 1.31.2.2 phil mprev->m_next = m->m_next; /* unlink from chain */ 1377 1.31.2.2 phil m_free(m); /* reclaim mbuf */ 1378 1.31.2.2 phil continue; 1379 1.31.2.2 phil } 1380 1.31.2.2 phil 1381 1.31.2.2 phil /* 1382 1.31.2.2 phil * Allocate new space to hold the copy and copy the data. 1383 1.31.2.2 phil * We deal with jumbo mbufs (i.e. m_len > MCLBYTES) by 1384 1.31.2.2 phil * splitting them into clusters. We could just malloc a 1385 1.31.2.2 phil * buffer and make it external but too many device drivers 1386 1.31.2.2 phil * don't know how to break up the non-contiguous memory when 1387 1.31.2.2 phil * doing DMA. 1388 1.31.2.2 phil */ 1389 1.31.2.2 phil n = m_getcl(how, m->m_type, m->m_flags & M_COPYFLAGS); 1390 1.31.2.2 phil if (n == NULL) { 1391 1.31.2.2 phil m_freem(m0); 1392 1.31.2.2 phil return (NULL); 1393 1.31.2.2 phil } 1394 1.31.2.2 phil if (m->m_flags & M_PKTHDR) { 1395 1.31.2.2 phil FBSDKASSERT(mprev == NULL, ("%s: m0 %p, m %p has M_PKTHDR", 1396 1.31.2.2 phil __func__, m0, m)); 1397 1.31.2.2 phil m_move_pkthdr(n, m); 1398 1.31.2.2 phil } 1399 1.31.2.2 phil len = m->m_len; 1400 1.31.2.2 phil off = 0; 1401 1.31.2.2 phil mfirst = n; 1402 1.31.2.2 phil mlast = NULL; 1403 1.31.2.2 phil for (;;) { 1404 1.31.2.2 phil int cc = min(len, MCLBYTES); 1405 1.31.2.3 phil memcpy(mtod(n, __uint8_t *), mtod(m, __uint8_t *) + off, cc); 1406 1.31.2.2 phil n->m_len = cc; 1407 1.31.2.2 phil if (mlast != NULL) 1408 1.31.2.2 phil mlast->m_next = n; 1409 1.31.2.2 phil mlast = n; 1410 1.31.2.2 phil #if 0 1411 1.31.2.2 phil newipsecstat.ips_clcopied++; 1412 1.31.2.2 phil #endif 1413 1.31.2.2 phil 1414 1.31.2.2 phil len -= cc; 1415 1.31.2.2 phil if (len <= 0) 1416 1.31.2.2 phil break; 1417 1.31.2.2 phil off += cc; 1418 1.31.2.2 phil 1419 1.31.2.2 phil n = m_getcl(how, m->m_type, m->m_flags & M_COPYFLAGS); 1420 1.31.2.2 phil if (n == NULL) { 1421 1.31.2.2 phil m_freem(mfirst); 1422 1.31.2.2 phil m_freem(m0); 1423 1.31.2.2 phil return (NULL); 1424 1.31.2.2 phil } 1425 1.31.2.2 phil } 1426 1.31.2.2 phil n->m_next = m->m_next; 1427 1.31.2.2 phil if (mprev == NULL) 1428 1.31.2.2 phil m0 = mfirst; /* new head of chain */ 1429 1.31.2.2 phil else 1430 1.31.2.2 phil mprev->m_next = mfirst; /* replace old mbuf */ 1431 1.31.2.2 phil m_free(m); /* release old mbuf */ 1432 1.31.2.2 phil mprev = mfirst; 1433 1.31.2.2 phil } 1434 1.31.2.2 phil return (m0); 1435 1.31.2.2 phil } 1436
Indexes created Fri Sep 26 20:09:58 GMT 2025