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_NOWAIT, 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 if (vap->iv_state < IEEE80211_S_RUN) {
234 DWTAP_PRINTF("Skip beacon, not running, state %d", vap->iv_state);
237 DWTAP_PRINTF("[%d] beacon intrp\n", avp->id); //burst mode
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).
244 m = m_dup(avp->beacon, M_NOWAIT);
245 if (ieee80211_beacon_update(avp->bf_node, &avp->av_boff, m, 0)) {
246 printf("%s, need to remap the memory because the beacon frame"
247 " changed size.\n",__func__);
250 if (ieee80211_radiotap_active_vap(vap))
251 ieee80211_radiotap_tx(vap, m);
254 medium_transmit(avp->av_md, avp->id, m);
256 wtap_medium_enqueue(avp, m);
257 callout_schedule(&avp->av_swba, avp->av_bcinterval);
261 wtap_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg)
263 struct ieee80211com *ic = vap->iv_ic;
264 struct wtap_softc *sc = ic->ic_ifp->if_softc;
265 struct wtap_vap *avp = WTAP_VAP(vap);
266 struct ieee80211_node *ni = NULL;
269 DWTAP_PRINTF("%s\n", __func__);
271 ni = ieee80211_ref_node(vap->iv_bss);
273 * Invoke the parent method to do net80211 work.
275 error = avp->av_newstate(vap, nstate, arg);
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);
288 wtap_beacon_config(sc, vap);
289 callout_reset(&avp->av_swba, avp->av_bcinterval,
290 wtap_beacon_intrp, vap);
295 } else if (nstate == IEEE80211_S_INIT) {
296 callout_stop(&avp->av_swba);
298 ieee80211_free_node(ni);
301 printf("%s: bad\n", __func__);
302 ieee80211_free_node(ni);
307 wtap_bmiss(struct ieee80211vap *vap)
309 struct wtap_vap *avp = (struct wtap_vap *)vap;
311 DWTAP_PRINTF("%s\n", __func__);
315 static struct ieee80211vap *
316 wtap_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])
321 struct wtap_softc *sc = ic->ic_ifp->if_softc;
322 struct ieee80211vap *vap;
323 struct wtap_vap *avp;
325 struct ieee80211_node *ni;
327 DWTAP_PRINTF("%s\n", __func__);
329 avp = malloc(sizeof(struct wtap_vap), M_80211_VAP, M_NOWAIT | M_ZERO);
333 avp->av_md = sc->sc_md;
334 avp->av_bcinterval = msecs_to_ticks(BEACON_INTRERVAL + 100*sc->id);
335 vap = (struct ieee80211vap *) avp;
336 error = ieee80211_vap_setup(ic, vap, name, unit, IEEE80211_M_MBSS,
337 flags | IEEE80211_CLONE_NOBEACONS, bssid, mac);
339 free(avp, M_80211_VAP);
343 /* override various methods */
344 avp->av_recv_mgmt = vap->iv_recv_mgmt;
345 vap->iv_recv_mgmt = wtap_recv_mgmt;
346 vap->iv_reset = wtap_reset_vap;
347 vap->iv_update_beacon = wtap_beacon_update;
348 avp->av_newstate = vap->iv_newstate;
349 vap->iv_newstate = wtap_newstate;
350 avp->av_bmiss = vap->iv_bmiss;
351 vap->iv_bmiss = wtap_bmiss;
354 ieee80211_vap_attach(vap, wtap_media_change, ieee80211_media_status);
355 avp->av_dev = make_dev(&wtap_cdevsw, 0, UID_ROOT, GID_WHEEL, 0600,
356 "%s", (const char *)ic->ic_ifp->if_xname);
358 /* TODO this is a hack to force it to choose the rate we want */
359 ni = ieee80211_ref_node(vap->iv_bss);
361 ieee80211_free_node(ni);
366 wtap_vap_delete(struct ieee80211vap *vap)
368 struct wtap_vap *avp = WTAP_VAP(vap);
370 DWTAP_PRINTF("%s\n", __func__);
371 destroy_dev(avp->av_dev);
372 callout_stop(&avp->av_swba);
373 ieee80211_vap_detach(vap);
374 free((struct wtap_vap*) vap, M_80211_VAP);
377 /* NB: This function is not used.
378 * I had the problem of the queue
379 * being empty all the time.
380 * Maybe I am setting the queue wrong?
383 wtap_start(struct ifnet *ifp)
385 struct ieee80211com *ic = ifp->if_l2com;
386 struct ifnet *icifp = ic->ic_ifp;
387 struct wtap_softc *sc = icifp->if_softc;
388 struct ieee80211_node *ni;
391 DWTAP_PRINTF("my_start, with id=%u\n", sc->id);
393 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0 || sc->up == 0)
396 if(IFQ_IS_EMPTY(&ifp->if_snd)){
397 printf("queue empty, just trying to see "
398 "if the other queue is empty\n");
400 printf("queue for id=1, %u\n",
401 IFQ_IS_EMPTY(&global_mscs[1]->ifp->if_snd));
402 printf("queue for id=0, %u\n",
403 IFQ_IS_EMPTY(&global_mscs[0]->ifp->if_snd));
407 IFQ_DEQUEUE(&ifp->if_snd, m);
409 printf("error dequeueing from ifp->snd\n");
412 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
414 * Check for fragmentation. If this frame
415 * has been broken up verify we have enough
416 * buffers to send all the fragments so all
422 if ((m->m_flags & M_FRAG)){
423 printf("dont support frags\n");
424 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1);
427 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1);
428 if(wtap_raw_xmit(ni, m, NULL) < 0){
429 printf("error raw_xmiting\n");
430 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1);
437 wtap_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
440 DWTAP_PRINTF("%s\n", __func__);
441 uprintf("%s, command %lu\n", __func__, cmd);
443 #define IS_RUNNING(ifp) \
444 ((ifp->if_flags & IFF_UP) && (ifp->if_drv_flags & IFF_DRV_RUNNING))
445 struct ieee80211com *ic = ifp->if_l2com;
446 struct wtap_softc *sc = ifp->if_softc;
447 struct ifreq *ifr = (struct ifreq *)data;
452 //printf("%s: %s\n", __func__, "SIOCSIFFLAGS");
453 if (IS_RUNNING(ifp)) {
454 DWTAP_PRINTF("running\n");
457 * To avoid rescanning another access point,
458 * do not call ath_init() here. Instead,
459 * only reflect promisc mode settings.
463 } else if (ifp->if_flags & IFF_UP) {
464 DWTAP_PRINTF("up\n");
468 * Beware of being called during attach/detach
469 * to reset promiscuous mode. In that case we
470 * will still be marked UP but not RUNNING.
471 * However trying to re-init the interface
472 * is the wrong thing to do as we've already
473 * torn down much of our state. There's
474 * probably a better way to deal with this.
476 //if (!sc->sc_invalid)
477 // ath_init(sc); /* XXX lose error */
479 ifp->if_drv_flags |= IFF_DRV_RUNNING;
480 ieee80211_start_all(ic);
482 DWTAP_PRINTF("stoping\n");
484 ath_stop_locked(ifp);
486 /* XXX must wakeup in places like ath_vap_delete */
488 ath_hal_setpower(sc->sc_ah, HAL_PM_FULL_SLEEP);
496 DWTAP_PRINTF("%s: %s\n", __func__, "SIOCGIFMEDIA|SIOCSIFMEDIA");
498 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
502 DWTAP_PRINTF("%s: %s\n", __func__, "SIOCGIFADDR");
504 error = ether_ioctl(ifp, cmd, data);
507 DWTAP_PRINTF("%s: %s [%lu]\n", __func__, "EINVAL", cmd);
516 wtap_init(void *arg){
518 DWTAP_PRINTF("%s\n", __func__);
522 wtap_scan_start(struct ieee80211com *ic)
526 DWTAP_PRINTF("%s\n", __func__);
531 wtap_scan_end(struct ieee80211com *ic)
535 DWTAP_PRINTF("%s\n", __func__);
540 wtap_set_channel(struct ieee80211com *ic)
544 DWTAP_PRINTF("%s\n", __func__);
549 wtap_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
550 const struct ieee80211_bpf_params *params)
553 DWTAP_PRINTF("%s, %p\n", __func__, m);
555 struct ieee80211vap *vap = ni->ni_vap;
556 struct wtap_vap *avp = WTAP_VAP(vap);
558 if (ieee80211_radiotap_active_vap(vap)) {
559 ieee80211_radiotap_tx(vap, m);
561 if (m->m_flags & M_TXCB)
562 ieee80211_process_callback(ni, m, 0);
563 ieee80211_free_node(ni);
564 return wtap_medium_enqueue(avp, m);
568 wtap_inject(struct wtap_softc *sc, struct mbuf *m)
570 struct wtap_buf *bf = (struct wtap_buf *)malloc(sizeof(struct wtap_buf),
571 M_WTAP_RXBUF, M_NOWAIT | M_ZERO);
572 KASSERT(bf != NULL, ("could not allocated a new wtap_buf\n"));
575 mtx_lock(&sc->sc_mtx);
576 STAILQ_INSERT_TAIL(&sc->sc_rxbuf, bf, bf_list);
577 taskqueue_enqueue(sc->sc_tq, &sc->sc_rxtask);
578 mtx_unlock(&sc->sc_mtx);
582 wtap_rx_deliver(struct wtap_softc *sc, struct mbuf *m)
584 struct ifnet *ifp = sc->sc_ifp;
585 struct ieee80211com *ic = ifp->if_l2com;
586 struct ieee80211_node *ni;
589 DWTAP_PRINTF("%s\n", __func__);
592 DWTAP_PRINTF("[%d] receiving m=%p\n", sc->id, m);
593 if (m == NULL) { /* NB: shouldn't happen */
594 if_printf(ifp, "%s: no mbuf!\n", __func__);
597 if_inc_counter(ifp, IFCOUNTER_IPACKETS, 1);
599 ieee80211_dump_pkt(ic, mtod(m, caddr_t), 0,0,0);
602 * Locate the node for sender, track state, and then
603 * pass the (referenced) node up to the 802.11 layer
606 ni = ieee80211_find_rxnode_withkey(ic,
607 mtod(m, const struct ieee80211_frame_min *),IEEE80211_KEYIX_NONE);
610 * Sending station is known, dispatch directly.
612 type = ieee80211_input(ni, m, 1<<7, 10);
613 ieee80211_free_node(ni);
615 type = ieee80211_input_all(ic, m, 1<<7, 10);
620 wtap_rx_proc(void *arg, int npending)
622 struct wtap_softc *sc = (struct wtap_softc *)arg;
623 struct ifnet *ifp = sc->sc_ifp;
624 struct ieee80211com *ic = ifp->if_l2com;
626 struct ieee80211_node *ni;
631 DWTAP_PRINTF("%s\n", __func__);
635 mtx_lock(&sc->sc_mtx);
636 bf = STAILQ_FIRST(&sc->sc_rxbuf);
638 mtx_unlock(&sc->sc_mtx);
641 STAILQ_REMOVE_HEAD(&sc->sc_rxbuf, bf_list);
642 mtx_unlock(&sc->sc_mtx);
643 KASSERT(bf != NULL, ("wtap_buf is NULL\n"));
645 DWTAP_PRINTF("[%d] receiving m=%p\n", sc->id, bf->m);
646 if (m == NULL) { /* NB: shouldn't happen */
647 if_printf(ifp, "%s: no mbuf!\n", __func__);
648 free(bf, M_WTAP_RXBUF);
652 if_inc_counter(ifp, IFCOUNTER_IPACKETS, 1);
654 ieee80211_dump_pkt(ic, mtod(m, caddr_t), 0,0,0);
658 * Locate the node for sender, track state, and then
659 * pass the (referenced) node up to the 802.11 layer
662 ni = ieee80211_find_rxnode_withkey(ic,
663 mtod(m, const struct ieee80211_frame_min *),
664 IEEE80211_KEYIX_NONE);
667 * Sending station is known, dispatch directly.
670 ieee80211_radiotap_rx(ni->ni_vap, m);
672 type = ieee80211_input(ni, m, 1<<7, 10);
673 ieee80211_free_node(ni);
676 ieee80211_radiotap_rx_all(ic, m);
678 type = ieee80211_input_all(ic, m, 1<<7, 10);
681 /* The mbufs are freed by the Net80211 stack */
682 free(bf, M_WTAP_RXBUF);
687 wtap_newassoc(struct ieee80211_node *ni, int isnew)
690 DWTAP_PRINTF("%s\n", __func__);
694 * Callback from the 802.11 layer to update WME parameters.
697 wtap_wme_update(struct ieee80211com *ic)
700 DWTAP_PRINTF("%s\n", __func__);
705 wtap_update_mcast(struct ifnet *ifp)
708 DWTAP_PRINTF("%s\n", __func__);
712 wtap_update_promisc(struct ifnet *ifp)
715 DWTAP_PRINTF("%s\n", __func__);
719 wtap_if_transmit(struct ifnet *ifp, struct mbuf *m)
721 struct ieee80211_node *ni =
722 (struct ieee80211_node *) m->m_pkthdr.rcvif;
723 struct ieee80211vap *vap = ni->ni_vap;
724 struct wtap_vap *avp = WTAP_VAP(vap);
727 printf("m->m_pkthdr.rcvif is NULL we cant radiotap_tx\n");
729 if (ieee80211_radiotap_active_vap(vap))
730 ieee80211_radiotap_tx(vap, m);
732 if (m->m_flags & M_TXCB)
733 ieee80211_process_callback(ni, m, 0);
734 ieee80211_free_node(ni);
735 return wtap_medium_enqueue(avp, m);
738 static struct ieee80211_node *
739 wtap_node_alloc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN])
741 struct ieee80211_node *ni;
743 DWTAP_PRINTF("%s\n", __func__);
745 ni = malloc(sizeof(struct ieee80211_node), M_80211_NODE,
753 wtap_node_free(struct ieee80211_node *ni)
755 struct ieee80211com *ic = ni->ni_ic;
756 struct wtap_softc *sc = ic->ic_ifp->if_softc;
758 DWTAP_PRINTF("%s\n", __func__);
759 sc->sc_node_free(ni);
763 wtap_attach(struct wtap_softc *sc, const uint8_t *macaddr)
766 struct ieee80211com *ic;
767 char wtap_name[] = {'w','T','a','p',sc->id,
768 '_','t','a','s','k','q','\0'};
770 DWTAP_PRINTF("%s\n", __func__);
772 ifp = if_alloc(IFT_IEEE80211);
774 printf("can not if_alloc()\n");
778 if_initname(ifp, "wtap", sc->id);
783 STAILQ_INIT(&sc->sc_rxbuf);
784 sc->sc_tq = taskqueue_create(wtap_name, M_NOWAIT | M_ZERO,
785 taskqueue_thread_enqueue, &sc->sc_tq);
786 taskqueue_start_threads(&sc->sc_tq, 1, PI_SOFT, "%s taskQ",
788 TASK_INIT(&sc->sc_rxtask, 0, wtap_rx_proc, sc);
791 ifp->if_flags = IFF_SIMPLEX | IFF_BROADCAST | IFF_MULTICAST;
792 ifp->if_start = wtap_start;
793 ifp->if_ioctl = wtap_ioctl;
794 ifp->if_init = wtap_init;
795 IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen);
796 ifp->if_snd.ifq_drv_maxlen = ifqmaxlen;
797 IFQ_SET_READY(&ifp->if_snd);
800 ic->ic_phytype = IEEE80211_T_DS;
801 ic->ic_opmode = IEEE80211_M_MBSS;
802 ic->ic_caps = IEEE80211_C_MBSS;
804 ic->ic_max_keyix = 128; /* A value read from Atheros ATH_KEYMAX */
806 ic->ic_regdomain.regdomain = SKU_ETSI;
807 ic->ic_regdomain.country = CTRY_SWEDEN;
808 ic->ic_regdomain.location = 1; /* Indoors */
809 ic->ic_regdomain.isocc[0] = 'S';
810 ic->ic_regdomain.isocc[1] = 'E';
813 ic->ic_channels[0].ic_flags = IEEE80211_CHAN_B;
814 ic->ic_channels[0].ic_freq = 2412;
816 ieee80211_ifattach(ic, macaddr);
819 /* new prototype hook-ups */
820 msc->if_input = ifp->if_input;
821 ifp->if_input = myath_if_input;
822 msc->if_output = ifp->if_output;
823 ifp->if_output = myath_if_output;
825 sc->if_transmit = ifp->if_transmit;
826 ifp->if_transmit = wtap_if_transmit;
828 /* override default methods */
829 ic->ic_newassoc = wtap_newassoc;
831 ic->ic_updateslot = myath_updateslot;
833 ic->ic_wme.wme_update = wtap_wme_update;
834 ic->ic_vap_create = wtap_vap_create;
835 ic->ic_vap_delete = wtap_vap_delete;
836 ic->ic_raw_xmit = wtap_raw_xmit;
837 ic->ic_update_mcast = wtap_update_mcast;
838 ic->ic_update_promisc = wtap_update_promisc;
840 sc->sc_node_alloc = ic->ic_node_alloc;
841 ic->ic_node_alloc = wtap_node_alloc;
842 sc->sc_node_free = ic->ic_node_free;
843 ic->ic_node_free = wtap_node_free;
846 ic->ic_node_getsignal = myath_node_getsignal;
848 ic->ic_scan_start = wtap_scan_start;
849 ic->ic_scan_end = wtap_scan_end;
850 ic->ic_set_channel = wtap_set_channel;
852 ieee80211_radiotap_attach(ic,
853 &sc->sc_tx_th.wt_ihdr, sizeof(sc->sc_tx_th),
854 WTAP_TX_RADIOTAP_PRESENT,
855 &sc->sc_rx_th.wr_ihdr, sizeof(sc->sc_rx_th),
856 WTAP_RX_RADIOTAP_PRESENT);
858 /* Work here, we must find a way to populate the rate table */
860 if(ic->ic_rt == NULL){
861 printf("no table for ic_curchan\n");
862 ic->ic_rt = ieee80211_get_ratetable(&ic->ic_channels[0]);
864 printf("ic->ic_rt =%p\n", ic->ic_rt);
865 printf("rate count %d\n", ic->ic_rt->rateCount);
867 uint8_t code = ic->ic_rt->info[0].dot11Rate;
868 uint8_t cix = ic->ic_rt->info[0].ctlRateIndex;
869 uint8_t ctl_rate = ic->ic_rt->info[cix].dot11Rate;
870 printf("code=%d, cix=%d, ctl_rate=%d\n", code, cix, ctl_rate);
872 uint8_t rix0 = ic->ic_rt->rateCodeToIndex[130];
873 uint8_t rix1 = ic->ic_rt->rateCodeToIndex[132];
874 uint8_t rix2 = ic->ic_rt->rateCodeToIndex[139];
875 uint8_t rix3 = ic->ic_rt->rateCodeToIndex[150];
876 printf("rix0 %u,rix1 %u,rix2 %u,rix3 %u\n", rix0,rix1,rix2,rix3);
877 printf("lpAckDuration=%u\n", ic->ic_rt->info[0].lpAckDuration);
878 printf("rate=%d\n", ic->ic_rt->info[0].rateKbps);
884 wtap_detach(struct wtap_softc *sc)
886 struct ifnet *ifp = sc->sc_ifp;
887 struct ieee80211com *ic = ifp->if_l2com;
889 DWTAP_PRINTF("%s\n", __func__);
890 ieee80211_ageq_drain(&ic->ic_stageq);
891 ieee80211_ifdetach(ic);
897 wtap_resume(struct wtap_softc *sc)
900 DWTAP_PRINTF("%s\n", __func__);
904 wtap_suspend(struct wtap_softc *sc)
907 DWTAP_PRINTF("%s\n", __func__);
911 wtap_shutdown(struct wtap_softc *sc)
914 DWTAP_PRINTF("%s\n", __func__);
918 wtap_intr(struct wtap_softc *sc)
921 DWTAP_PRINTF("%s\n", __func__);