2 * Copyright (c) 2010-2011 Monthadar Al Jaberi, TerraNet AB
5 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
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.
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.
34 #include "if_wtapvar.h"
35 #include <sys/uio.h> /* uio struct */
37 #include <net/if_var.h>
40 #include <net80211/ieee80211_ratectl.h>
41 #include "if_medium.h"
44 * This _requires_ vimage to be useful.
47 #error if_wtap requires VIMAGE.
50 /* device for IOCTL and read/write for debuggin purposes */
51 /* Function prototypes */
52 static d_open_t wtap_node_open;
53 static d_close_t wtap_node_close;
54 static d_write_t wtap_node_write;
55 static d_ioctl_t wtap_node_ioctl;
57 static struct cdevsw wtap_cdevsw = {
58 .d_version = D_VERSION,
60 .d_open = wtap_node_open,
61 .d_close = wtap_node_close,
62 .d_write = wtap_node_write,
63 .d_ioctl = wtap_node_ioctl,
68 wtap_node_open(struct cdev *dev, int oflags, int devtype, struct thread *p)
72 uprintf("Opened device \"echo\" successfully.\n");
77 wtap_node_close(struct cdev *dev, int fflag, int devtype, struct thread *p)
80 uprintf("Closing device \"echo.\"\n");
85 wtap_node_write(struct cdev *dev, struct uio *uio, int ioflag)
90 struct wtap_softc *sc;
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);
99 uprintf("Write failed: bad address!\n");
103 MGETHDR(m, M_DONTWAIT, MT_DATA);
104 m_copyback(m, 0, buf_len, buf);
106 CURVNET_SET(TD_TO_VNET(curthread));
107 IFNET_RLOCK_NOSLEEP();
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",
114 sc = (struct wtap_softc *)ifp->if_softc;
115 printf("wtap id = %d\n", sc->id);
120 IFNET_RUNLOCK_NOSLEEP();
127 wtap_node_ioctl(struct cdev *dev, u_long cmd, caddr_t data,
128 int fflag, struct thread *td)
134 DWTAP_PRINTF("Unkown WTAP IOCTL\n");
140 static int wtap_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
141 const struct ieee80211_bpf_params *params);
144 wtap_medium_enqueue(struct wtap_vap *avp, struct mbuf *m)
147 return medium_transmit(avp->av_md, avp->id, m);
151 wtap_media_change(struct ifnet *ifp)
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);
161 * Intercept management frames to collect beacon rssi data
162 * and to do ibss merges.
165 wtap_recv_mgmt(struct ieee80211_node *ni, struct mbuf *m,
166 int subtype, int rssi, int nf)
168 struct ieee80211vap *vap = ni->ni_vap;
170 DWTAP_PRINTF("[%d] %s\n", myath_id(ni), __func__);
172 WTAP_VAP(vap)->av_recv_mgmt(ni, m, subtype, rssi, nf);
176 wtap_reset_vap(struct ieee80211vap *vap, u_long cmd)
179 DWTAP_PRINTF("%s\n", __func__);
184 wtap_beacon_update(struct ieee80211vap *vap, int item)
186 struct ieee80211_beacon_offsets *bo = &WTAP_VAP(vap)->av_boff;
188 DWTAP_PRINTF("%s\n", __func__);
189 setbit(bo->bo_flags, item);
193 * Allocate and setup an initial beacon frame.
196 wtap_beacon_alloc(struct wtap_softc *sc, struct ieee80211_node *ni)
198 struct ieee80211vap *vap = ni->ni_vap;
199 struct wtap_vap *avp = WTAP_VAP(vap);
201 DWTAP_PRINTF("[%s] %s\n", ether_sprintf(ni->ni_macaddr), __func__);
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).
208 avp->beacon = ieee80211_beacon_alloc(ni, &avp->av_boff);
209 if (avp->beacon == NULL) {
210 printf("%s: cannot get mbuf\n", __func__);
213 callout_init(&avp->av_swba, 0);
214 avp->bf_node = ieee80211_ref_node(ni);
220 wtap_beacon_config(struct wtap_softc *sc, struct ieee80211vap *vap)
223 DWTAP_PRINTF("%s\n", __func__);
227 wtap_beacon_intrp(void *arg)
229 struct wtap_vap *avp = arg;
230 struct ieee80211vap *vap = arg;
233 KASSERT(vap->iv_state >= IEEE80211_S_RUN,
234 ("not running, state %d", vap->iv_state));
235 DWTAP_PRINTF("[%d] beacon intrp\n", avp->id); //burst mode
237 * Update dynamic beacon contents. If this returns
238 * non-zero then we need to remap the memory because
239 * the beacon frame changed size (probably because
240 * of the TIM bitmap).
242 m = m_dup(avp->beacon, M_DONTWAIT);
243 if (ieee80211_beacon_update(avp->bf_node, &avp->av_boff, m, 0)) {
244 printf("%s, need to remap the memory because the beacon frame"
245 " changed size.\n",__func__);
248 if (ieee80211_radiotap_active_vap(vap))
249 ieee80211_radiotap_tx(vap, m);
252 medium_transmit(avp->av_md, avp->id, m);
254 wtap_medium_enqueue(avp, m);
255 callout_schedule(&avp->av_swba, avp->av_bcinterval);
259 wtap_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg)
261 struct ieee80211com *ic = vap->iv_ic;
262 struct wtap_softc *sc = ic->ic_ifp->if_softc;
263 struct wtap_vap *avp = WTAP_VAP(vap);
264 struct ieee80211_node *ni = NULL;
267 DWTAP_PRINTF("%s\n", __func__);
271 * Invoke the parent method to do net80211 work.
273 error = avp->av_newstate(vap, nstate, arg);
277 if (nstate == IEEE80211_S_RUN) {
278 /* NB: collect bss node again, it may have changed */
280 switch (vap->iv_opmode) {
281 case IEEE80211_M_MBSS:
282 error = wtap_beacon_alloc(sc, ni);
285 wtap_beacon_config(sc, vap);
286 callout_reset(&avp->av_swba, avp->av_bcinterval,
287 wtap_beacon_intrp, vap);
295 printf("%s: bad\n", __func__);
300 wtap_bmiss(struct ieee80211vap *vap)
302 struct wtap_vap *avp = (struct wtap_vap *)vap;
304 DWTAP_PRINTF("%s\n", __func__);
308 static struct ieee80211vap *
309 wtap_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ],
310 int unit, enum ieee80211_opmode opmode, int flags,
311 const uint8_t bssid[IEEE80211_ADDR_LEN],
312 const uint8_t mac[IEEE80211_ADDR_LEN])
314 struct wtap_softc *sc = ic->ic_ifp->if_softc;
315 struct ieee80211vap *vap;
316 struct wtap_vap *avp;
319 DWTAP_PRINTF("%s\n", __func__);
321 avp = (struct wtap_vap *) malloc(sizeof(struct wtap_vap),
322 M_80211_VAP, M_NOWAIT | M_ZERO);
324 avp->av_md = sc->sc_md;
325 avp->av_bcinterval = BEACON_INTRERVAL + 100*sc->id;
326 vap = (struct ieee80211vap *) avp;
327 error = ieee80211_vap_setup(ic, vap, name, unit, IEEE80211_M_MBSS,
328 flags | IEEE80211_CLONE_NOBEACONS, bssid, mac);
330 /* override various methods */
331 avp->av_recv_mgmt = vap->iv_recv_mgmt;
332 vap->iv_recv_mgmt = wtap_recv_mgmt;
333 vap->iv_reset = wtap_reset_vap;
334 vap->iv_update_beacon = wtap_beacon_update;
335 avp->av_newstate = vap->iv_newstate;
336 vap->iv_newstate = wtap_newstate;
337 avp->av_bmiss = vap->iv_bmiss;
338 vap->iv_bmiss = wtap_bmiss;
341 ieee80211_vap_attach(vap, wtap_media_change, ieee80211_media_status);
342 avp->av_dev = make_dev(&wtap_cdevsw, 0, UID_ROOT, GID_WHEEL, 0600,
343 (const char *)ic->ic_ifp->if_xname);
345 /* TODO this is a hack to force it to choose the rate we want */
346 vap->iv_bss->ni_txrate = 130;
351 wtap_vap_delete(struct ieee80211vap *vap)
353 struct wtap_vap *avp = WTAP_VAP(vap);
355 DWTAP_PRINTF("%s\n", __func__);
356 destroy_dev(avp->av_dev);
357 callout_stop(&avp->av_swba);
358 ieee80211_vap_detach(vap);
359 free((struct wtap_vap*) vap, M_80211_VAP);
362 /* NB: This function is not used.
363 * I had the problem of the queue
364 * being empty all the time.
365 * Maybe I am setting the queue wrong?
368 wtap_start(struct ifnet *ifp)
370 struct ieee80211com *ic = ifp->if_l2com;
371 struct ifnet *icifp = ic->ic_ifp;
372 struct wtap_softc *sc = icifp->if_softc;
373 struct ieee80211_node *ni;
376 DWTAP_PRINTF("my_start, with id=%u\n", sc->id);
378 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0 || sc->up == 0)
381 if(IFQ_IS_EMPTY(&ifp->if_snd)){
382 printf("queue empty, just trying to see "
383 "if the other queue is empty\n");
385 printf("queue for id=1, %u\n",
386 IFQ_IS_EMPTY(&global_mscs[1]->ifp->if_snd));
387 printf("queue for id=0, %u\n",
388 IFQ_IS_EMPTY(&global_mscs[0]->ifp->if_snd));
392 IFQ_DEQUEUE(&ifp->if_snd, m);
394 printf("error dequeueing from ifp->snd\n");
397 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
399 * Check for fragmentation. If this frame
400 * has been broken up verify we have enough
401 * buffers to send all the fragments so all
407 if ((m->m_flags & M_FRAG)){
408 printf("dont support frags\n");
413 if(wtap_raw_xmit(ni, m, NULL) < 0){
414 printf("error raw_xmiting\n");
422 wtap_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
425 DWTAP_PRINTF("%s\n", __func__);
426 uprintf("%s, command %lu\n", __func__, cmd);
428 #define IS_RUNNING(ifp) \
429 ((ifp->if_flags & IFF_UP) && (ifp->if_drv_flags & IFF_DRV_RUNNING))
430 struct ieee80211com *ic = ifp->if_l2com;
431 struct wtap_softc *sc = ifp->if_softc;
432 struct ifreq *ifr = (struct ifreq *)data;
437 //printf("%s: %s\n", __func__, "SIOCSIFFLAGS");
438 if (IS_RUNNING(ifp)) {
439 DWTAP_PRINTF("running\n");
442 * To avoid rescanning another access point,
443 * do not call ath_init() here. Instead,
444 * only reflect promisc mode settings.
448 } else if (ifp->if_flags & IFF_UP) {
449 DWTAP_PRINTF("up\n");
453 * Beware of being called during attach/detach
454 * to reset promiscuous mode. In that case we
455 * will still be marked UP but not RUNNING.
456 * However trying to re-init the interface
457 * is the wrong thing to do as we've already
458 * torn down much of our state. There's
459 * probably a better way to deal with this.
461 //if (!sc->sc_invalid)
462 // ath_init(sc); /* XXX lose error */
464 ifp->if_drv_flags |= IFF_DRV_RUNNING;
465 ieee80211_start_all(ic);
467 DWTAP_PRINTF("stoping\n");
469 ath_stop_locked(ifp);
471 /* XXX must wakeup in places like ath_vap_delete */
473 ath_hal_setpower(sc->sc_ah, HAL_PM_FULL_SLEEP);
481 DWTAP_PRINTF("%s: %s\n", __func__, "SIOCGIFMEDIA|SIOCSIFMEDIA");
483 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
487 DWTAP_PRINTF("%s: %s\n", __func__, "SIOCGIFADDR");
489 error = ether_ioctl(ifp, cmd, data);
492 DWTAP_PRINTF("%s: %s [%lu]\n", __func__, "EINVAL", cmd);
501 wtap_init(void *arg){
503 DWTAP_PRINTF("%s\n", __func__);
507 wtap_scan_start(struct ieee80211com *ic)
511 DWTAP_PRINTF("%s\n", __func__);
516 wtap_scan_end(struct ieee80211com *ic)
520 DWTAP_PRINTF("%s\n", __func__);
525 wtap_set_channel(struct ieee80211com *ic)
529 DWTAP_PRINTF("%s\n", __func__);
534 wtap_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
535 const struct ieee80211_bpf_params *params)
538 DWTAP_PRINTF("%s, %p\n", __func__, m);
540 struct ieee80211vap *vap = ni->ni_vap;
541 struct wtap_vap *avp = WTAP_VAP(vap);
543 if (ieee80211_radiotap_active_vap(vap)) {
544 ieee80211_radiotap_tx(vap, m);
546 if (m->m_flags & M_TXCB)
547 ieee80211_process_callback(ni, m, 0);
548 ieee80211_free_node(ni);
549 return wtap_medium_enqueue(avp, m);
553 wtap_inject(struct wtap_softc *sc, struct mbuf *m)
555 struct wtap_buf *bf = (struct wtap_buf *)malloc(sizeof(struct wtap_buf),
556 M_WTAP_RXBUF, M_NOWAIT | M_ZERO);
557 KASSERT(bf != NULL, ("could not allocated a new wtap_buf\n"));
560 mtx_lock(&sc->sc_mtx);
561 STAILQ_INSERT_TAIL(&sc->sc_rxbuf, bf, bf_list);
562 taskqueue_enqueue(sc->sc_tq, &sc->sc_rxtask);
563 mtx_unlock(&sc->sc_mtx);
567 wtap_rx_deliver(struct wtap_softc *sc, struct mbuf *m)
569 struct ifnet *ifp = sc->sc_ifp;
570 struct ieee80211com *ic = ifp->if_l2com;
571 struct ieee80211_node *ni;
574 DWTAP_PRINTF("%s\n", __func__);
577 DWTAP_PRINTF("[%d] receiving m=%p\n", sc->id, m);
578 if (m == NULL) { /* NB: shouldn't happen */
579 if_printf(ifp, "%s: no mbuf!\n", __func__);
584 ieee80211_dump_pkt(ic, mtod(m, caddr_t), 0,0,0);
587 * Locate the node for sender, track state, and then
588 * pass the (referenced) node up to the 802.11 layer
591 ni = ieee80211_find_rxnode_withkey(ic,
592 mtod(m, const struct ieee80211_frame_min *),IEEE80211_KEYIX_NONE);
595 * Sending station is known, dispatch directly.
597 type = ieee80211_input(ni, m, 1<<7, 10);
598 ieee80211_free_node(ni);
600 type = ieee80211_input_all(ic, m, 1<<7, 10);
605 wtap_rx_proc(void *arg, int npending)
607 struct wtap_softc *sc = (struct wtap_softc *)arg;
608 struct ifnet *ifp = sc->sc_ifp;
609 struct ieee80211com *ic = ifp->if_l2com;
611 struct ieee80211_node *ni;
616 DWTAP_PRINTF("%s\n", __func__);
620 mtx_lock(&sc->sc_mtx);
621 bf = STAILQ_FIRST(&sc->sc_rxbuf);
623 mtx_unlock(&sc->sc_mtx);
626 STAILQ_REMOVE_HEAD(&sc->sc_rxbuf, bf_list);
627 mtx_unlock(&sc->sc_mtx);
628 KASSERT(bf != NULL, ("wtap_buf is NULL\n"));
630 DWTAP_PRINTF("[%d] receiving m=%p\n", sc->id, bf->m);
631 if (m == NULL) { /* NB: shouldn't happen */
632 if_printf(ifp, "%s: no mbuf!\n", __func__);
633 free(bf, M_WTAP_RXBUF);
639 ieee80211_dump_pkt(ic, mtod(m, caddr_t), 0,0,0);
643 * Locate the node for sender, track state, and then
644 * pass the (referenced) node up to the 802.11 layer
647 ni = ieee80211_find_rxnode_withkey(ic,
648 mtod(m, const struct ieee80211_frame_min *),
649 IEEE80211_KEYIX_NONE);
652 * Sending station is known, dispatch directly.
655 ieee80211_radiotap_rx(ni->ni_vap, m);
657 type = ieee80211_input(ni, m, 1<<7, 10);
658 ieee80211_free_node(ni);
661 ieee80211_radiotap_rx_all(ic, m);
663 type = ieee80211_input_all(ic, m, 1<<7, 10);
666 /* The mbufs are freed by the Net80211 stack */
667 free(bf, M_WTAP_RXBUF);
672 wtap_newassoc(struct ieee80211_node *ni, int isnew)
675 DWTAP_PRINTF("%s\n", __func__);
679 * Callback from the 802.11 layer to update WME parameters.
682 wtap_wme_update(struct ieee80211com *ic)
685 DWTAP_PRINTF("%s\n", __func__);
690 wtap_update_mcast(struct ifnet *ifp)
693 DWTAP_PRINTF("%s\n", __func__);
697 wtap_update_promisc(struct ifnet *ifp)
700 DWTAP_PRINTF("%s\n", __func__);
704 wtap_if_transmit(struct ifnet *ifp, struct mbuf *m)
706 struct ieee80211_node *ni =
707 (struct ieee80211_node *) m->m_pkthdr.rcvif;
708 struct ieee80211vap *vap = ni->ni_vap;
709 struct wtap_vap *avp = WTAP_VAP(vap);
712 printf("m->m_pkthdr.rcvif is NULL we cant radiotap_tx\n");
714 if (ieee80211_radiotap_active_vap(vap))
715 ieee80211_radiotap_tx(vap, m);
717 if (m->m_flags & M_TXCB)
718 ieee80211_process_callback(ni, m, 0);
719 ieee80211_free_node(ni);
720 return wtap_medium_enqueue(avp, m);
723 static struct ieee80211_node *
724 wtap_node_alloc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN])
726 struct ieee80211_node *ni;
728 DWTAP_PRINTF("%s\n", __func__);
730 ni = malloc(sizeof(struct ieee80211_node), M_80211_NODE,
738 wtap_node_free(struct ieee80211_node *ni)
740 struct ieee80211com *ic = ni->ni_ic;
741 struct wtap_softc *sc = ic->ic_ifp->if_softc;
743 DWTAP_PRINTF("%s\n", __func__);
744 sc->sc_node_free(ni);
748 wtap_attach(struct wtap_softc *sc, const uint8_t *macaddr)
751 struct ieee80211com *ic;
752 char wtap_name[] = {'w','T','a','p',sc->id,
753 '_','t','a','s','k','q','\0'};
755 DWTAP_PRINTF("%s\n", __func__);
757 ifp = if_alloc(IFT_IEEE80211);
759 printf("can not if_alloc()\n");
763 if_initname(ifp, "wtap", sc->id);
768 STAILQ_INIT(&sc->sc_rxbuf);
769 sc->sc_tq = taskqueue_create(wtap_name, M_NOWAIT | M_ZERO,
770 taskqueue_thread_enqueue, &sc->sc_tq);
771 taskqueue_start_threads(&sc->sc_tq, 1, PI_SOFT, "%s taskQ",
773 TASK_INIT(&sc->sc_rxtask, 0, wtap_rx_proc, sc);
776 ifp->if_flags = IFF_SIMPLEX | IFF_BROADCAST | IFF_MULTICAST;
777 ifp->if_start = wtap_start;
778 ifp->if_ioctl = wtap_ioctl;
779 ifp->if_init = wtap_init;
780 IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen);
781 ifp->if_snd.ifq_drv_maxlen = ifqmaxlen;
782 IFQ_SET_READY(&ifp->if_snd);
785 ic->ic_phytype = IEEE80211_T_DS;
786 ic->ic_opmode = IEEE80211_M_MBSS;
787 ic->ic_caps = IEEE80211_C_MBSS;
789 ic->ic_max_keyix = 128; /* A value read from Atheros ATH_KEYMAX */
791 ic->ic_regdomain.regdomain = SKU_ETSI;
792 ic->ic_regdomain.country = CTRY_SWEDEN;
793 ic->ic_regdomain.location = 1; /* Indoors */
794 ic->ic_regdomain.isocc[0] = 'S';
795 ic->ic_regdomain.isocc[1] = 'E';
797 * Indicate we need the 802.11 header padded to a
798 * 32-bit boundary for 4-address and QoS frames.
800 ic->ic_flags |= IEEE80211_F_DATAPAD;
802 ic->ic_channels[0].ic_flags = IEEE80211_CHAN_B;
803 ic->ic_channels[0].ic_freq = 2412;
805 ieee80211_ifattach(ic, macaddr);
808 /* new prototype hook-ups */
809 msc->if_input = ifp->if_input;
810 ifp->if_input = myath_if_input;
811 msc->if_output = ifp->if_output;
812 ifp->if_output = myath_if_output;
814 sc->if_transmit = ifp->if_transmit;
815 ifp->if_transmit = wtap_if_transmit;
817 /* override default methods */
818 ic->ic_newassoc = wtap_newassoc;
820 ic->ic_updateslot = myath_updateslot;
822 ic->ic_wme.wme_update = wtap_wme_update;
823 ic->ic_vap_create = wtap_vap_create;
824 ic->ic_vap_delete = wtap_vap_delete;
825 ic->ic_raw_xmit = wtap_raw_xmit;
826 ic->ic_update_mcast = wtap_update_mcast;
827 ic->ic_update_promisc = wtap_update_promisc;
829 sc->sc_node_alloc = ic->ic_node_alloc;
830 ic->ic_node_alloc = wtap_node_alloc;
831 sc->sc_node_free = ic->ic_node_free;
832 ic->ic_node_free = wtap_node_free;
835 ic->ic_node_getsignal = myath_node_getsignal;
837 ic->ic_scan_start = wtap_scan_start;
838 ic->ic_scan_end = wtap_scan_end;
839 ic->ic_set_channel = wtap_set_channel;
841 ieee80211_radiotap_attach(ic,
842 &sc->sc_tx_th.wt_ihdr, sizeof(sc->sc_tx_th),
843 WTAP_TX_RADIOTAP_PRESENT,
844 &sc->sc_rx_th.wr_ihdr, sizeof(sc->sc_rx_th),
845 WTAP_RX_RADIOTAP_PRESENT);
847 /* Work here, we must find a way to populate the rate table */
849 if(ic->ic_rt == NULL){
850 printf("no table for ic_curchan\n");
851 ic->ic_rt = ieee80211_get_ratetable(&ic->ic_channels[0]);
853 printf("ic->ic_rt =%p\n", ic->ic_rt);
854 printf("rate count %d\n", ic->ic_rt->rateCount);
856 uint8_t code = ic->ic_rt->info[0].dot11Rate;
857 uint8_t cix = ic->ic_rt->info[0].ctlRateIndex;
858 uint8_t ctl_rate = ic->ic_rt->info[cix].dot11Rate;
859 printf("code=%d, cix=%d, ctl_rate=%d\n", code, cix, ctl_rate);
861 uint8_t rix0 = ic->ic_rt->rateCodeToIndex[130];
862 uint8_t rix1 = ic->ic_rt->rateCodeToIndex[132];
863 uint8_t rix2 = ic->ic_rt->rateCodeToIndex[139];
864 uint8_t rix3 = ic->ic_rt->rateCodeToIndex[150];
865 printf("rix0 %u,rix1 %u,rix2 %u,rix3 %u\n", rix0,rix1,rix2,rix3);
866 printf("lpAckDuration=%u\n", ic->ic_rt->info[0].lpAckDuration);
867 printf("rate=%d\n", ic->ic_rt->info[0].rateKbps);
873 wtap_detach(struct wtap_softc *sc)
875 struct ifnet *ifp = sc->sc_ifp;
876 struct ieee80211com *ic = ifp->if_l2com;
878 DWTAP_PRINTF("%s\n", __func__);
879 ieee80211_ageq_drain(&ic->ic_stageq);
880 ieee80211_ifdetach(ic);
886 wtap_resume(struct wtap_softc *sc)
889 DWTAP_PRINTF("%s\n", __func__);
893 wtap_suspend(struct wtap_softc *sc)
896 DWTAP_PRINTF("%s\n", __func__);
900 wtap_shutdown(struct wtap_softc *sc)
903 DWTAP_PRINTF("%s\n", __func__);
907 wtap_intr(struct wtap_softc *sc)
910 DWTAP_PRINTF("%s\n", __func__);