1/*- 2 * Copyright (c) 2010-2011 Monthadar Al Jaberi, TerraNet AB 3 * All rights reserved. 4 * 5 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer, 13 * without modification. 14 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 15 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any 16 * redistribution must be conditioned upon including a substantially 17 * similar Disclaimer requirement for further binary redistribution. 18 * 19 * NO WARRANTY 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY 23 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 24 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, 25 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 28 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGES. 31 * 32 * $FreeBSD: stable/11/sys/dev/wtap/if_wtap.c 343823 2019-02-06 02:35:56Z avos $ 33 */ 34#include "if_wtapvar.h" 35#include <sys/uio.h> /* uio struct */ 36#include <sys/jail.h> 37#include <net/if_var.h> 38#include <net/vnet.h> 39 40#include <net80211/ieee80211_ratectl.h> 41#include "if_medium.h" 42 43/* 44 * This _requires_ vimage to be useful. 45 */ 46#ifndef VIMAGE 47#error if_wtap requires VIMAGE. 48#endif /* VIMAGE */ 49 50/* device for IOCTL and read/write for debuggin purposes */ 51/* Function prototypes */ 52static d_open_t wtap_node_open; 53static d_close_t wtap_node_close; 54static d_write_t wtap_node_write; 55static d_ioctl_t wtap_node_ioctl; 56 57static struct cdevsw wtap_cdevsw = { 58 .d_version = D_VERSION, 59 .d_flags = 0, 60 .d_open = wtap_node_open, 61 .d_close = wtap_node_close, 62 .d_write = wtap_node_write, 63 .d_ioctl = wtap_node_ioctl, 64 .d_name = "wtapnode", 65}; 66 67static int 68wtap_node_open(struct cdev *dev, int oflags, int devtype, struct thread *p) 69{ 70 71 int err = 0; 72 uprintf("Opened device \"echo\" successfully.\n"); 73 return(err); 74} 75 76static int 77wtap_node_close(struct cdev *dev, int fflag, int devtype, struct thread *p) 78{ 79 80 uprintf("Closing device \"echo.\"\n"); 81 return(0); 82} 83 84static int 85wtap_node_write(struct cdev *dev, struct uio *uio, int ioflag) 86{ 87 int err = 0; 88 struct mbuf *m; 89 struct ifnet *ifp; 90 struct wtap_softc *sc; 91 uint8_t buf[1024]; 92 int buf_len; 93 94 uprintf("write device %s \"echo.\"\n", devtoname(dev)); 95 buf_len = MIN(uio->uio_iov->iov_len, 1024); 96 err = copyin(uio->uio_iov->iov_base, buf, buf_len); 97 98 if (err != 0) { 99 uprintf("Write failed: bad address!\n"); 100 return (err); 101 } 102 103 MGETHDR(m, M_NOWAIT, MT_DATA); 104 m_copyback(m, 0, buf_len, buf); 105 106 CURVNET_SET(TD_TO_VNET(curthread)); 107 IFNET_RLOCK_NOSLEEP(); 108 109 TAILQ_FOREACH(ifp, &V_ifnet, if_link) { 110 printf("ifp->if_xname = %s\n", ifp->if_xname); 111 if(strcmp(devtoname(dev), ifp->if_xname) == 0){ 112 printf("found match, correspoding wtap = %s\n", 113 ifp->if_xname); 114 sc = (struct wtap_softc *)ifp->if_softc; 115 printf("wtap id = %d\n", sc->id); 116 wtap_inject(sc, m); 117 } 118 } 119 120 IFNET_RUNLOCK_NOSLEEP(); 121 CURVNET_RESTORE(); 122 123 return(err); 124} 125 126int 127wtap_node_ioctl(struct cdev *dev, u_long cmd, caddr_t data, 128 int fflag, struct thread *td) 129{ 130 int error = 0; 131 132 switch(cmd) { 133 default: 134 DWTAP_PRINTF("Unknown WTAP IOCTL\n"); 135 error = EINVAL; 136 } 137 return error; 138} 139 140static int wtap_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 141 const struct ieee80211_bpf_params *params); 142 143static int 144wtap_medium_enqueue(struct wtap_vap *avp, struct mbuf *m) 145{ 146 147 return medium_transmit(avp->av_md, avp->id, m); 148} 149 150static int 151wtap_media_change(struct ifnet *ifp) 152{ 153 154 DWTAP_PRINTF("%s\n", __func__); 155 int error = ieee80211_media_change(ifp); 156 /* NB: only the fixed rate can change and that doesn't need a reset */ 157 return (error == ENETRESET ? 0 : error); 158} 159 160/* 161 * Intercept management frames to collect beacon rssi data 162 * and to do ibss merges. 163 */ 164static void 165wtap_recv_mgmt(struct ieee80211_node *ni, struct mbuf *m, 166 int subtype, const struct ieee80211_rx_stats *stats, int rssi, int nf) 167{ 168 struct ieee80211vap *vap = ni->ni_vap; 169#if 0 170 DWTAP_PRINTF("[%d] %s\n", myath_id(ni), __func__); 171#endif 172 WTAP_VAP(vap)->av_recv_mgmt(ni, m, subtype, stats, rssi, nf); 173} 174 175static int 176wtap_reset_vap(struct ieee80211vap *vap, u_long cmd) 177{ 178 179 DWTAP_PRINTF("%s\n", __func__); 180 return 0; 181} 182 183static void 184wtap_beacon_update(struct ieee80211vap *vap, int item) 185{ 186 struct ieee80211_beacon_offsets *bo = &vap->iv_bcn_off; 187 188 DWTAP_PRINTF("%s\n", __func__); 189 setbit(bo->bo_flags, item); 190} 191 192/* 193 * Allocate and setup an initial beacon frame. 194 */ 195static int 196wtap_beacon_alloc(struct wtap_softc *sc, struct ieee80211_node *ni) 197{ 198 struct ieee80211vap *vap = ni->ni_vap; 199 struct wtap_vap *avp = WTAP_VAP(vap); 200 201 DWTAP_PRINTF("[%s] %s\n", ether_sprintf(ni->ni_macaddr), __func__); 202 203 /* 204 * NB: the beacon data buffer must be 32-bit aligned; 205 * we assume the mbuf routines will return us something 206 * with this alignment (perhaps should assert). 207 */ 208 avp->beacon = ieee80211_beacon_alloc(ni); 209 if (avp->beacon == NULL) { 210 printf("%s: cannot get mbuf\n", __func__); 211 return ENOMEM; 212 } 213 callout_init(&avp->av_swba, 0); 214 avp->bf_node = ieee80211_ref_node(ni); 215 216 return 0; 217} 218 219static void 220wtap_beacon_config(struct wtap_softc *sc, struct ieee80211vap *vap) 221{ 222 223 DWTAP_PRINTF("%s\n", __func__); 224} 225 226static void 227wtap_beacon_intrp(void *arg) 228{ 229 struct wtap_vap *avp = arg; 230 struct ieee80211vap *vap = arg; 231 struct mbuf *m; 232 233 if (vap->iv_state < IEEE80211_S_RUN) { 234 DWTAP_PRINTF("Skip beacon, not running, state %d", vap->iv_state); 235 return ; 236 } 237 DWTAP_PRINTF("[%d] beacon intrp\n", avp->id); //burst mode 238 /* 239 * Update dynamic beacon contents. If this returns 240 * non-zero then we need to remap the memory because 241 * the beacon frame changed size (probably because 242 * of the TIM bitmap). 243 */ 244 m = m_dup(avp->beacon, M_NOWAIT); 245 if (ieee80211_beacon_update(avp->bf_node, m, 0)) { 246 printf("%s, need to remap the memory because the beacon frame" 247 " changed size.\n",__func__); 248 } 249 250 if (ieee80211_radiotap_active_vap(vap)) 251 ieee80211_radiotap_tx(vap, m); 252 253#if 0 254 medium_transmit(avp->av_md, avp->id, m); 255#endif 256 wtap_medium_enqueue(avp, m); 257 callout_schedule(&avp->av_swba, avp->av_bcinterval); 258} 259 260static int 261wtap_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 262{ 263 struct ieee80211com *ic = vap->iv_ic; 264 struct wtap_softc *sc = ic->ic_softc; 265 struct wtap_vap *avp = WTAP_VAP(vap); 266 struct ieee80211_node *ni = NULL; 267 int error; 268 269 DWTAP_PRINTF("%s\n", __func__); 270 271 ni = ieee80211_ref_node(vap->iv_bss); 272 /* 273 * Invoke the parent method to do net80211 work. 274 */ 275 error = avp->av_newstate(vap, nstate, arg); 276 if (error != 0) 277 goto bad; 278 279 if (nstate == IEEE80211_S_RUN) { 280 /* NB: collect bss node again, it may have changed */ 281 ieee80211_free_node(ni); 282 ni = ieee80211_ref_node(vap->iv_bss); 283 switch (vap->iv_opmode) { 284 case IEEE80211_M_MBSS: 285 error = wtap_beacon_alloc(sc, ni); 286 if (error != 0) 287 goto bad; 288 wtap_beacon_config(sc, vap); 289 callout_reset(&avp->av_swba, avp->av_bcinterval, 290 wtap_beacon_intrp, vap); 291 break; 292 default: 293 goto bad; 294 } 295 } else if (nstate == IEEE80211_S_INIT) { 296 callout_stop(&avp->av_swba); 297 } 298 ieee80211_free_node(ni); 299 return 0; 300bad: 301 printf("%s: bad\n", __func__); 302 ieee80211_free_node(ni); 303 return error; 304} 305 306static void 307wtap_bmiss(struct ieee80211vap *vap) 308{ 309 struct wtap_vap *avp = (struct wtap_vap *)vap; 310 311 DWTAP_PRINTF("%s\n", __func__); 312 avp->av_bmiss(vap); 313} 314 315static struct ieee80211vap * 316wtap_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], 317 int unit, enum ieee80211_opmode opmode, int flags, 318 const uint8_t bssid[IEEE80211_ADDR_LEN], 319 const uint8_t mac[IEEE80211_ADDR_LEN]) 320{ 321 struct wtap_softc *sc = ic->ic_softc; 322 struct ieee80211vap *vap; 323 struct wtap_vap *avp; 324 int error; 325 struct ieee80211_node *ni; 326 327 DWTAP_PRINTF("%s\n", __func__); 328 329 avp = malloc(sizeof(struct wtap_vap), M_80211_VAP, M_WAITOK | M_ZERO); 330 avp->id = sc->id; 331 avp->av_md = sc->sc_md; 332 avp->av_bcinterval = msecs_to_ticks(BEACON_INTRERVAL + 100*sc->id); 333 vap = (struct ieee80211vap *) avp; 334 error = ieee80211_vap_setup(ic, vap, name, unit, IEEE80211_M_MBSS, 335 flags | IEEE80211_CLONE_NOBEACONS, bssid); 336 if (error) { 337 free(avp, M_80211_VAP); 338 return (NULL); 339 } 340 341 /* override various methods */ 342 avp->av_recv_mgmt = vap->iv_recv_mgmt; 343 vap->iv_recv_mgmt = wtap_recv_mgmt; 344 vap->iv_reset = wtap_reset_vap; 345 vap->iv_update_beacon = wtap_beacon_update; 346 avp->av_newstate = vap->iv_newstate; 347 vap->iv_newstate = wtap_newstate; 348 avp->av_bmiss = vap->iv_bmiss; 349 vap->iv_bmiss = wtap_bmiss; 350 351 /* complete setup */ 352 ieee80211_vap_attach(vap, wtap_media_change, ieee80211_media_status, 353 mac); 354 avp->av_dev = make_dev(&wtap_cdevsw, 0, UID_ROOT, GID_WHEEL, 0600, 355 "%s", (const char *)sc->name); 356 357 /* TODO this is a hack to force it to choose the rate we want */ 358 ni = ieee80211_ref_node(vap->iv_bss); 359 ni->ni_txrate = 130; 360 ieee80211_free_node(ni); 361 return vap; 362} 363 364static void 365wtap_vap_delete(struct ieee80211vap *vap) 366{ 367 struct wtap_vap *avp = WTAP_VAP(vap); 368 369 DWTAP_PRINTF("%s\n", __func__); 370 destroy_dev(avp->av_dev); 371 callout_stop(&avp->av_swba); 372 ieee80211_vap_detach(vap); 373 free(avp, M_80211_VAP); 374} 375 376static void 377wtap_parent(struct ieee80211com *ic) 378{ 379 struct wtap_softc *sc = ic->ic_softc; 380 381 if (ic->ic_nrunning > 0) { 382 sc->up = 1; 383 ieee80211_start_all(ic); 384 } else 385 sc->up = 0; 386} 387 388static void 389wtap_scan_start(struct ieee80211com *ic) 390{ 391 392#if 0 393 DWTAP_PRINTF("%s\n", __func__); 394#endif 395} 396 397static void 398wtap_scan_end(struct ieee80211com *ic) 399{ 400 401#if 0 402 DWTAP_PRINTF("%s\n", __func__); 403#endif 404} 405 406static void 407wtap_set_channel(struct ieee80211com *ic) 408{ 409 410#if 0 411 DWTAP_PRINTF("%s\n", __func__); 412#endif 413} 414 415static int 416wtap_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 417 const struct ieee80211_bpf_params *params) 418{ 419#if 0 420 DWTAP_PRINTF("%s, %p\n", __func__, m); 421#endif 422 struct ieee80211vap *vap = ni->ni_vap; 423 struct wtap_vap *avp = WTAP_VAP(vap); 424 425 if (ieee80211_radiotap_active_vap(vap)) { 426 ieee80211_radiotap_tx(vap, m); 427 } 428 if (m->m_flags & M_TXCB) 429 ieee80211_process_callback(ni, m, 0); 430 ieee80211_free_node(ni); 431 return wtap_medium_enqueue(avp, m); 432} 433 434void 435wtap_inject(struct wtap_softc *sc, struct mbuf *m) 436{ 437 struct wtap_buf *bf = (struct wtap_buf *)malloc(sizeof(struct wtap_buf), 438 M_WTAP_RXBUF, M_NOWAIT | M_ZERO); 439 KASSERT(bf != NULL, ("could not allocated a new wtap_buf\n")); 440 bf->m = m; 441 442 mtx_lock(&sc->sc_mtx); 443 STAILQ_INSERT_TAIL(&sc->sc_rxbuf, bf, bf_list); 444 taskqueue_enqueue(sc->sc_tq, &sc->sc_rxtask); 445 mtx_unlock(&sc->sc_mtx); 446} 447 448void 449wtap_rx_deliver(struct wtap_softc *sc, struct mbuf *m) 450{ 451 struct ieee80211com *ic = &sc->sc_ic; 452 struct ieee80211_node *ni; 453 int type; 454#if 0 455 DWTAP_PRINTF("%s\n", __func__); 456#endif 457 458 DWTAP_PRINTF("[%d] receiving m=%p\n", sc->id, m); 459 if (m == NULL) { /* NB: shouldn't happen */ 460 ic_printf(ic, "%s: no mbuf!\n", __func__); 461 } 462 463 ieee80211_dump_pkt(ic, mtod(m, caddr_t), 0,0,0); 464 465 /* 466 * Locate the node for sender, track state, and then 467 * pass the (referenced) node up to the 802.11 layer 468 * for its use. 469 */ 470 ni = ieee80211_find_rxnode_withkey(ic, 471 mtod(m, const struct ieee80211_frame_min *),IEEE80211_KEYIX_NONE); 472 if (ni != NULL) { 473 /* 474 * Sending station is known, dispatch directly. 475 */ 476 type = ieee80211_input(ni, m, 1<<7, 10); 477 ieee80211_free_node(ni); 478 } else { 479 type = ieee80211_input_all(ic, m, 1<<7, 10); 480 } 481} 482 483static void 484wtap_rx_proc(void *arg, int npending) 485{ 486 struct wtap_softc *sc = (struct wtap_softc *)arg; 487 struct ieee80211com *ic = &sc->sc_ic; 488 struct mbuf *m; 489 struct ieee80211_node *ni; 490 int type; 491 struct wtap_buf *bf; 492 493#if 0 494 DWTAP_PRINTF("%s\n", __func__); 495#endif 496 497 for(;;) { 498 mtx_lock(&sc->sc_mtx); 499 bf = STAILQ_FIRST(&sc->sc_rxbuf); 500 if (bf == NULL) { 501 mtx_unlock(&sc->sc_mtx); 502 return; 503 } 504 STAILQ_REMOVE_HEAD(&sc->sc_rxbuf, bf_list); 505 mtx_unlock(&sc->sc_mtx); 506 KASSERT(bf != NULL, ("wtap_buf is NULL\n")); 507 m = bf->m; 508 DWTAP_PRINTF("[%d] receiving m=%p\n", sc->id, bf->m); 509 if (m == NULL) { /* NB: shouldn't happen */ 510 ic_printf(ic, "%s: no mbuf!\n", __func__); 511 free(bf, M_WTAP_RXBUF); 512 return; 513 } 514#if 0 515 ieee80211_dump_pkt(ic, mtod(m, caddr_t), 0,0,0); 516#endif 517 518 /* 519 * Locate the node for sender, track state, and then 520 * pass the (referenced) node up to the 802.11 layer 521 * for its use. 522 */ 523 ni = ieee80211_find_rxnode_withkey(ic, 524 mtod(m, const struct ieee80211_frame_min *), 525 IEEE80211_KEYIX_NONE); 526 if (ni != NULL) { 527 /* 528 * Sending station is known, dispatch directly. 529 */ 530 type = ieee80211_input(ni, m, 1<<7, 10); 531 ieee80211_free_node(ni); 532 } else { 533 type = ieee80211_input_all(ic, m, 1<<7, 10); 534 } 535 536 /* The mbufs are freed by the Net80211 stack */ 537 free(bf, M_WTAP_RXBUF); 538 } 539} 540 541static void 542wtap_newassoc(struct ieee80211_node *ni, int isnew) 543{ 544 545 DWTAP_PRINTF("%s\n", __func__); 546} 547 548/* 549 * Callback from the 802.11 layer to update WME parameters. 550 */ 551static int 552wtap_wme_update(struct ieee80211com *ic) 553{ 554 555 DWTAP_PRINTF("%s\n", __func__); 556 return 0; 557} 558 559static void 560wtap_update_mcast(struct ieee80211com *ic) 561{ 562 563 DWTAP_PRINTF("%s\n", __func__); 564} 565 566static void 567wtap_update_promisc(struct ieee80211com *ic) 568{ 569 570 DWTAP_PRINTF("%s\n", __func__); 571} 572 573static int 574wtap_transmit(struct ieee80211com *ic, struct mbuf *m) 575{ 576 struct ieee80211_node *ni = 577 (struct ieee80211_node *) m->m_pkthdr.rcvif; 578 struct ieee80211vap *vap = ni->ni_vap; 579 struct wtap_vap *avp = WTAP_VAP(vap); 580 581 if(ni == NULL){ 582 printf("m->m_pkthdr.rcvif is NULL we cant radiotap_tx\n"); 583 }else{ 584 if (ieee80211_radiotap_active_vap(vap)) 585 ieee80211_radiotap_tx(vap, m); 586 } 587 if (m->m_flags & M_TXCB) 588 ieee80211_process_callback(ni, m, 0); 589 ieee80211_free_node(ni); 590 return wtap_medium_enqueue(avp, m); 591} 592 593static struct ieee80211_node * 594wtap_node_alloc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN]) 595{ 596 struct ieee80211_node *ni; 597 598 DWTAP_PRINTF("%s\n", __func__); 599 600 ni = malloc(sizeof(struct ieee80211_node), M_80211_NODE, 601 M_NOWAIT|M_ZERO); 602 if (ni == NULL) 603 return (NULL); 604 605 ni->ni_txrate = 130; 606 return ni; 607} 608 609static void 610wtap_node_free(struct ieee80211_node *ni) 611{ 612 struct ieee80211com *ic = ni->ni_ic; 613 struct wtap_softc *sc = ic->ic_softc; 614 615 DWTAP_PRINTF("%s\n", __func__); 616 sc->sc_node_free(ni); 617} 618 619int32_t 620wtap_attach(struct wtap_softc *sc, const uint8_t *macaddr) 621{ 622 struct ieee80211com *ic = &sc->sc_ic; 623 624 DWTAP_PRINTF("%s\n", __func__); 625 626 sc->up = 0; 627 STAILQ_INIT(&sc->sc_rxbuf); 628 sc->sc_tq = taskqueue_create("wtap_taskq", M_NOWAIT | M_ZERO, 629 taskqueue_thread_enqueue, &sc->sc_tq); 630 taskqueue_start_threads(&sc->sc_tq, 1, PI_SOFT, "%s taskQ", sc->name); 631 TASK_INIT(&sc->sc_rxtask, 0, wtap_rx_proc, sc); 632 633 ic->ic_softc = sc; 634 ic->ic_name = sc->name; 635 ic->ic_phytype = IEEE80211_T_DS; 636 ic->ic_opmode = IEEE80211_M_MBSS; 637 ic->ic_caps = IEEE80211_C_MBSS; 638 639 ic->ic_max_keyix = 128; /* A value read from Atheros ATH_KEYMAX */ 640 641 ic->ic_regdomain.regdomain = SKU_ETSI; 642 ic->ic_regdomain.country = CTRY_SWEDEN; 643 ic->ic_regdomain.location = 1; /* Indoors */ 644 ic->ic_regdomain.isocc[0] = 'S'; 645 ic->ic_regdomain.isocc[1] = 'E'; 646 647 ic->ic_nchans = 1; 648 ic->ic_channels[0].ic_flags = IEEE80211_CHAN_B; 649 ic->ic_channels[0].ic_freq = 2412; 650 651 IEEE80211_ADDR_COPY(ic->ic_macaddr, macaddr); 652 ieee80211_ifattach(ic); 653 654 /* override default methods */ 655 ic->ic_newassoc = wtap_newassoc; 656 ic->ic_wme.wme_update = wtap_wme_update; 657 ic->ic_vap_create = wtap_vap_create; 658 ic->ic_vap_delete = wtap_vap_delete; 659 ic->ic_raw_xmit = wtap_raw_xmit; 660 ic->ic_update_mcast = wtap_update_mcast; 661 ic->ic_update_promisc = wtap_update_promisc; 662 ic->ic_transmit = wtap_transmit; 663 ic->ic_parent = wtap_parent; 664 665 sc->sc_node_alloc = ic->ic_node_alloc; 666 ic->ic_node_alloc = wtap_node_alloc; 667 sc->sc_node_free = ic->ic_node_free; 668 ic->ic_node_free = wtap_node_free; 669 670 ic->ic_scan_start = wtap_scan_start; 671 ic->ic_scan_end = wtap_scan_end; 672 ic->ic_set_channel = wtap_set_channel; 673 674 ieee80211_radiotap_attach(ic, 675 &sc->sc_tx_th.wt_ihdr, sizeof(sc->sc_tx_th), 676 WTAP_TX_RADIOTAP_PRESENT, 677 &sc->sc_rx_th.wr_ihdr, sizeof(sc->sc_rx_th), 678 WTAP_RX_RADIOTAP_PRESENT); 679 680 /* Work here, we must find a way to populate the rate table */ 681#if 0 682 if(ic->ic_rt == NULL){ 683 printf("no table for ic_curchan\n"); 684 ic->ic_rt = ieee80211_get_ratetable(&ic->ic_channels[0]); 685 } 686 printf("ic->ic_rt =%p\n", ic->ic_rt); 687 printf("rate count %d\n", ic->ic_rt->rateCount); 688 689 uint8_t code = ic->ic_rt->info[0].dot11Rate; 690 uint8_t cix = ic->ic_rt->info[0].ctlRateIndex; 691 uint8_t ctl_rate = ic->ic_rt->info[cix].dot11Rate; 692 printf("code=%d, cix=%d, ctl_rate=%d\n", code, cix, ctl_rate); 693 694 uint8_t rix0 = ic->ic_rt->rateCodeToIndex[130]; 695 uint8_t rix1 = ic->ic_rt->rateCodeToIndex[132]; 696 uint8_t rix2 = ic->ic_rt->rateCodeToIndex[139]; 697 uint8_t rix3 = ic->ic_rt->rateCodeToIndex[150]; 698 printf("rix0 %u,rix1 %u,rix2 %u,rix3 %u\n", rix0,rix1,rix2,rix3); 699 printf("lpAckDuration=%u\n", ic->ic_rt->info[0].lpAckDuration); 700 printf("rate=%d\n", ic->ic_rt->info[0].rateKbps); 701#endif 702 return 0; 703} 704 705int32_t 706wtap_detach(struct wtap_softc *sc) 707{ 708 struct ieee80211com *ic = &sc->sc_ic; 709 710 DWTAP_PRINTF("%s\n", __func__); 711 ieee80211_ageq_drain(&ic->ic_stageq); 712 ieee80211_ifdetach(ic); 713 return 0; 714} 715 716void 717wtap_resume(struct wtap_softc *sc) 718{ 719 720 DWTAP_PRINTF("%s\n", __func__); 721} 722 723void 724wtap_suspend(struct wtap_softc *sc) 725{ 726 727 DWTAP_PRINTF("%s\n", __func__); 728} 729 730void 731wtap_shutdown(struct wtap_softc *sc) 732{ 733 734 DWTAP_PRINTF("%s\n", __func__); 735} 736 737void 738wtap_intr(struct wtap_softc *sc) 739{ 740 741 DWTAP_PRINTF("%s\n", __func__); 742} 743