2 * Copyright (c) 2001 Atsushi Onoe
3 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
32 #include <sys/param.h>
33 #include <sys/systm.h>
35 #include <sys/malloc.h>
36 #include <sys/endian.h>
37 #include <sys/kernel.h>
39 #include <sys/socket.h>
41 #include <net/ethernet.h>
43 #include <net/if_llc.h>
44 #include <net/if_media.h>
45 #include <net/if_vlan_var.h>
47 #include <net80211/ieee80211_var.h>
48 #include <net80211/ieee80211_input.h>
53 #include <netinet/in.h>
54 #include <net/ethernet.h>
58 ieee80211_input_all(struct ieee80211com *ic, struct mbuf *m, int rssi, int nf)
60 struct ieee80211vap *vap;
63 m->m_flags |= M_BCAST; /* NB: mark for bpf tap'ing */
66 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) {
67 struct ieee80211_node *ni;
70 /* NB: could check for IFF_UP but this is cheaper */
71 if (vap->iv_state == IEEE80211_S_INIT)
74 * WDS vap's only receive directed traffic from the
75 * station at the ``far end''. That traffic should
76 * be passed through the AP vap the station is associated
77 * to--so don't spam them with mcast frames.
79 if (vap->iv_opmode == IEEE80211_M_WDS)
81 if (TAILQ_NEXT(vap, iv_next) != NULL) {
83 * Packet contents are changed by ieee80211_decap
84 * so do a deep copy of the packet.
86 mcopy = m_dup(m, M_DONTWAIT);
95 ni = ieee80211_ref_node(vap->iv_bss);
96 type = ieee80211_input(ni, mcopy, rssi, nf);
97 ieee80211_free_node(ni);
99 if (m != NULL) /* no vaps, reclaim mbuf */
105 * This function reassembles fragments.
107 * XXX should handle 3 concurrent reassemblies per-spec.
110 ieee80211_defrag(struct ieee80211_node *ni, struct mbuf *m, int hdrspace)
112 struct ieee80211vap *vap = ni->ni_vap;
113 struct ieee80211_frame *wh = mtod(m, struct ieee80211_frame *);
114 struct ieee80211_frame *lwh;
117 uint8_t more_frag = wh->i_fc[1] & IEEE80211_FC1_MORE_FRAG;
120 KASSERT(!IEEE80211_IS_MULTICAST(wh->i_addr1), ("multicast fragm?"));
122 rxseq = le16toh(*(uint16_t *)wh->i_seq);
123 fragno = rxseq & IEEE80211_SEQ_FRAG_MASK;
125 /* Quick way out, if there's nothing to defragment */
126 if (!more_frag && fragno == 0 && ni->ni_rxfrag[0] == NULL)
130 * Remove frag to insure it doesn't get reaped by timer.
132 if (ni->ni_table == NULL) {
134 * Should never happen. If the node is orphaned (not in
135 * the table) then input packets should not reach here.
136 * Otherwise, a concurrent request that yanks the table
137 * should be blocked by other interlocking and/or by first
138 * shutting the driver down. Regardless, be defensive
141 /* XXX need msg+stat */
145 IEEE80211_NODE_LOCK(ni->ni_table);
146 mfrag = ni->ni_rxfrag[0];
147 ni->ni_rxfrag[0] = NULL;
148 IEEE80211_NODE_UNLOCK(ni->ni_table);
151 * Validate new fragment is in order and
152 * related to the previous ones.
157 lwh = mtod(mfrag, struct ieee80211_frame *);
158 last_rxseq = le16toh(*(uint16_t *)lwh->i_seq);
159 /* NB: check seq # and frag together */
160 if (rxseq != last_rxseq+1 ||
161 !IEEE80211_ADDR_EQ(wh->i_addr1, lwh->i_addr1) ||
162 !IEEE80211_ADDR_EQ(wh->i_addr2, lwh->i_addr2)) {
164 * Unrelated fragment or no space for it,
165 * clear current fragments.
173 if (fragno != 0) { /* !first fragment, discard */
174 vap->iv_stats.is_rx_defrag++;
175 IEEE80211_NODE_STAT(ni, rx_defrag);
180 } else { /* concatenate */
181 m_adj(m, hdrspace); /* strip header */
183 /* NB: m_cat doesn't update the packet header */
184 mfrag->m_pkthdr.len += m->m_pkthdr.len;
185 /* track last seqnum and fragno */
186 lwh = mtod(mfrag, struct ieee80211_frame *);
187 *(uint16_t *) lwh->i_seq = *(uint16_t *) wh->i_seq;
189 if (more_frag) { /* more to come, save */
190 ni->ni_rxfragstamp = ticks;
191 ni->ni_rxfrag[0] = mfrag;
198 ieee80211_deliver_data(struct ieee80211vap *vap,
199 struct ieee80211_node *ni, struct mbuf *m)
201 struct ether_header *eh = mtod(m, struct ether_header *);
202 struct ifnet *ifp = vap->iv_ifp;
204 /* clear driver/net80211 flags before passing up */
205 m->m_flags &= ~(M_80211_RX | M_MCAST | M_BCAST);
207 /* NB: see hostap_deliver_data, this path doesn't handle hostap */
208 KASSERT(vap->iv_opmode != IEEE80211_M_HOSTAP, ("gack, hostap"));
213 IEEE80211_NODE_STAT(ni, rx_data);
214 IEEE80211_NODE_STAT_ADD(ni, rx_bytes, m->m_pkthdr.len);
215 if (ETHER_IS_MULTICAST(eh->ether_dhost)) {
216 m->m_flags |= M_MCAST; /* XXX M_BCAST? */
217 IEEE80211_NODE_STAT(ni, rx_mcast);
219 IEEE80211_NODE_STAT(ni, rx_ucast);
220 m->m_pkthdr.rcvif = ifp;
222 if (ni->ni_vlan != 0) {
223 /* attach vlan tag */
224 m->m_pkthdr.ether_vtag = ni->ni_vlan;
225 m->m_flags |= M_VLANTAG;
227 ifp->if_input(ifp, m);
231 ieee80211_decap(struct ieee80211vap *vap, struct mbuf *m, int hdrlen)
233 struct ieee80211_qosframe_addr4 wh; /* Max size address frames */
234 struct ether_header *eh;
237 if (m->m_len < hdrlen + sizeof(*llc) &&
238 (m = m_pullup(m, hdrlen + sizeof(*llc))) == NULL) {
242 memcpy(&wh, mtod(m, caddr_t), hdrlen);
243 llc = (struct llc *)(mtod(m, caddr_t) + hdrlen);
244 if (llc->llc_dsap == LLC_SNAP_LSAP && llc->llc_ssap == LLC_SNAP_LSAP &&
245 llc->llc_control == LLC_UI && llc->llc_snap.org_code[0] == 0 &&
246 llc->llc_snap.org_code[1] == 0 && llc->llc_snap.org_code[2] == 0 &&
247 /* NB: preserve AppleTalk frames that have a native SNAP hdr */
248 !(llc->llc_snap.ether_type == htons(ETHERTYPE_AARP) ||
249 llc->llc_snap.ether_type == htons(ETHERTYPE_IPX))) {
250 m_adj(m, hdrlen + sizeof(struct llc) - sizeof(*eh));
253 m_adj(m, hdrlen - sizeof(*eh));
255 eh = mtod(m, struct ether_header *);
256 switch (wh.i_fc[1] & IEEE80211_FC1_DIR_MASK) {
257 case IEEE80211_FC1_DIR_NODS:
258 IEEE80211_ADDR_COPY(eh->ether_dhost, wh.i_addr1);
259 IEEE80211_ADDR_COPY(eh->ether_shost, wh.i_addr2);
261 case IEEE80211_FC1_DIR_TODS:
262 IEEE80211_ADDR_COPY(eh->ether_dhost, wh.i_addr3);
263 IEEE80211_ADDR_COPY(eh->ether_shost, wh.i_addr2);
265 case IEEE80211_FC1_DIR_FROMDS:
266 IEEE80211_ADDR_COPY(eh->ether_dhost, wh.i_addr1);
267 IEEE80211_ADDR_COPY(eh->ether_shost, wh.i_addr3);
269 case IEEE80211_FC1_DIR_DSTODS:
270 IEEE80211_ADDR_COPY(eh->ether_dhost, wh.i_addr3);
271 IEEE80211_ADDR_COPY(eh->ether_shost, wh.i_addr4);
274 #ifdef ALIGNED_POINTER
275 if (!ALIGNED_POINTER(mtod(m, caddr_t) + sizeof(*eh), uint32_t)) {
276 struct mbuf *n, *n0, **np;
283 pktlen = m->m_pkthdr.len;
284 while (pktlen > off) {
286 MGETHDR(n, M_DONTWAIT, MT_DATA);
294 MGET(n, M_DONTWAIT, MT_DATA);
302 if (pktlen - off >= MINCLSIZE) {
303 MCLGET(n, M_DONTWAIT);
304 if (n->m_flags & M_EXT)
305 n->m_len = n->m_ext.ext_size;
309 (caddr_t)ALIGN(n->m_data + sizeof(*eh)) -
311 n->m_len -= newdata - n->m_data;
314 if (n->m_len > pktlen - off)
315 n->m_len = pktlen - off;
316 m_copydata(m, off, n->m_len, mtod(n, caddr_t));
324 #endif /* ALIGNED_POINTER */
326 eh = mtod(m, struct ether_header *);
327 eh->ether_type = htons(m->m_pkthdr.len - sizeof(*eh));
333 * Decap a frame encapsulated in a fast-frame/A-MSDU.
336 ieee80211_decap1(struct mbuf *m, int *framelen)
338 #define FF_LLC_SIZE (sizeof(struct ether_header) + sizeof(struct llc))
339 struct ether_header *eh;
343 * The frame has an 802.3 header followed by an 802.2
344 * LLC header. The encapsulated frame length is in the
345 * first header type field; save that and overwrite it
346 * with the true type field found in the second. Then
347 * copy the 802.3 header up to where it belongs and
348 * adjust the mbuf contents to remove the void.
350 if (m->m_len < FF_LLC_SIZE && (m = m_pullup(m, FF_LLC_SIZE)) == NULL)
352 eh = mtod(m, struct ether_header *); /* 802.3 header is first */
353 llc = (struct llc *)&eh[1]; /* 802.2 header follows */
354 *framelen = ntohs(eh->ether_type) /* encap'd frame size */
355 + sizeof(struct ether_header) - sizeof(struct llc);
356 eh->ether_type = llc->llc_un.type_snap.ether_type;
357 ovbcopy(eh, mtod(m, uint8_t *) + sizeof(struct llc),
358 sizeof(struct ether_header));
359 m_adj(m, sizeof(struct llc));
365 * Install received rate set information in the node's state block.
368 ieee80211_setup_rates(struct ieee80211_node *ni,
369 const uint8_t *rates, const uint8_t *xrates, int flags)
371 struct ieee80211vap *vap = ni->ni_vap;
372 struct ieee80211_rateset *rs = &ni->ni_rates;
374 memset(rs, 0, sizeof(*rs));
375 rs->rs_nrates = rates[1];
376 memcpy(rs->rs_rates, rates + 2, rs->rs_nrates);
377 if (xrates != NULL) {
380 * Tack on 11g extended supported rate element.
383 if (rs->rs_nrates + nxrates > IEEE80211_RATE_MAXSIZE) {
384 nxrates = IEEE80211_RATE_MAXSIZE - rs->rs_nrates;
385 IEEE80211_NOTE(vap, IEEE80211_MSG_XRATE, ni,
386 "extended rate set too large; only using "
387 "%u of %u rates", nxrates, xrates[1]);
388 vap->iv_stats.is_rx_rstoobig++;
390 memcpy(rs->rs_rates + rs->rs_nrates, xrates+2, nxrates);
391 rs->rs_nrates += nxrates;
393 return ieee80211_fix_rate(ni, rs, flags);
397 * Send a management frame error response to the specified
398 * station. If ni is associated with the station then use
399 * it; otherwise allocate a temporary node suitable for
400 * transmitting the frame and then free the reference so
401 * it will go away as soon as the frame has been transmitted.
404 ieee80211_send_error(struct ieee80211_node *ni,
405 const uint8_t mac[IEEE80211_ADDR_LEN], int subtype, int arg)
407 struct ieee80211vap *vap = ni->ni_vap;
410 if (ni == vap->iv_bss) {
411 if (vap->iv_state != IEEE80211_S_RUN) {
413 * XXX hack until we get rid of this routine.
414 * We can be called prior to the vap reaching
415 * run state under certain conditions in which
416 * case iv_bss->ni_chan will not be setup.
417 * Check for this explicitly and and just ignore
422 ni = ieee80211_tmp_node(vap, mac);
430 IEEE80211_SEND_MGMT(ni, subtype, arg);
432 ieee80211_free_node(ni);
436 ieee80211_alloc_challenge(struct ieee80211_node *ni)
438 if (ni->ni_challenge == NULL)
439 ni->ni_challenge = (uint32_t *) malloc(IEEE80211_CHALLENGE_LEN,
440 M_80211_NODE, M_NOWAIT);
441 if (ni->ni_challenge == NULL) {
442 IEEE80211_NOTE(ni->ni_vap,
443 IEEE80211_MSG_DEBUG | IEEE80211_MSG_AUTH, ni,
444 "%s", "shared key challenge alloc failed");
447 return (ni->ni_challenge != NULL);
451 * Parse a Beacon or ProbeResponse frame and return the
452 * useful information in an ieee80211_scanparams structure.
453 * Status is set to 0 if no problems were found; otherwise
454 * a bitmask of IEEE80211_BPARSE_* items is returned that
455 * describes the problems detected.
458 ieee80211_parse_beacon(struct ieee80211_node *ni, struct mbuf *m,
459 struct ieee80211_scanparams *scan)
461 struct ieee80211vap *vap = ni->ni_vap;
462 struct ieee80211com *ic = ni->ni_ic;
463 struct ieee80211_frame *wh;
466 wh = mtod(m, struct ieee80211_frame *);
467 frm = (uint8_t *)&wh[1];
468 efrm = mtod(m, uint8_t *) + m->m_len;
471 * beacon/probe response frame format
473 * [2] beacon interval
474 * [2] capability information
476 * [tlv] supported rates
477 * [tlv] country information
478 * [tlv] channel switch announcement (CSA)
479 * [tlv] parameter set (FH/DS)
480 * [tlv] erp information
481 * [tlv] extended supported rates
484 * [tlv] HT capabilities
485 * [tlv] HT information
486 * [tlv] Atheros capabilities
488 IEEE80211_VERIFY_LENGTH(efrm - frm, 12,
489 return (scan->status = IEEE80211_BPARSE_BADIELEN));
490 memset(scan, 0, sizeof(*scan));
491 scan->tstamp = frm; frm += 8;
492 scan->bintval = le16toh(*(uint16_t *)frm); frm += 2;
493 scan->capinfo = le16toh(*(uint16_t *)frm); frm += 2;
494 scan->bchan = ieee80211_chan2ieee(ic, ic->ic_curchan);
495 scan->chan = scan->bchan;
497 scan->ies_len = efrm - frm;
499 while (efrm - frm > 1) {
500 IEEE80211_VERIFY_LENGTH(efrm - frm, frm[1] + 2,
501 return (scan->status = IEEE80211_BPARSE_BADIELEN));
503 case IEEE80211_ELEMID_SSID:
506 case IEEE80211_ELEMID_RATES:
509 case IEEE80211_ELEMID_COUNTRY:
512 case IEEE80211_ELEMID_CSA:
515 case IEEE80211_ELEMID_FHPARMS:
516 if (ic->ic_phytype == IEEE80211_T_FH) {
517 scan->fhdwell = LE_READ_2(&frm[2]);
518 scan->chan = IEEE80211_FH_CHAN(frm[4], frm[5]);
519 scan->fhindex = frm[6];
522 case IEEE80211_ELEMID_DSPARMS:
524 * XXX hack this since depending on phytype
525 * is problematic for multi-mode devices.
527 if (ic->ic_phytype != IEEE80211_T_FH)
530 case IEEE80211_ELEMID_TIM:
533 scan->timoff = frm - mtod(m, uint8_t *);
535 case IEEE80211_ELEMID_IBSSPARMS:
536 case IEEE80211_ELEMID_CFPARMS:
537 case IEEE80211_ELEMID_PWRCNSTR:
538 /* NB: avoid debugging complaints */
540 case IEEE80211_ELEMID_XRATES:
543 case IEEE80211_ELEMID_ERP:
545 IEEE80211_DISCARD_IE(vap,
546 IEEE80211_MSG_ELEMID, wh, "ERP",
547 "bad len %u", frm[1]);
548 vap->iv_stats.is_rx_elem_toobig++;
551 scan->erp = frm[2] | 0x100;
553 case IEEE80211_ELEMID_HTCAP:
556 case IEEE80211_ELEMID_RSN:
559 case IEEE80211_ELEMID_HTINFO:
562 case IEEE80211_ELEMID_VENDOR:
565 else if (iswmeparam(frm) || iswmeinfo(frm))
567 #ifdef IEEE80211_SUPPORT_SUPERG
568 else if (isatherosoui(frm))
571 #ifdef IEEE80211_SUPPORT_TDMA
572 else if (istdmaoui(frm))
575 else if (vap->iv_flags_ext & IEEE80211_FEXT_HTCOMPAT) {
577 * Accept pre-draft HT ie's if the
578 * standard ones have not been seen.
580 if (ishtcapoui(frm)) {
581 if (scan->htcap == NULL)
583 } else if (ishtinfooui(frm)) {
584 if (scan->htinfo == NULL)
590 IEEE80211_DISCARD_IE(vap, IEEE80211_MSG_ELEMID,
592 "id %u, len %u", *frm, frm[1]);
593 vap->iv_stats.is_rx_elem_unknown++;
598 IEEE80211_VERIFY_ELEMENT(scan->rates, IEEE80211_RATE_MAXSIZE,
599 scan->status |= IEEE80211_BPARSE_RATES_INVALID);
600 if (scan->rates != NULL && scan->xrates != NULL) {
602 * NB: don't process XRATES if RATES is missing. This
603 * avoids a potential null ptr deref and should be ok
604 * as the return code will already note RATES is missing
605 * (so callers shouldn't otherwise process the frame).
607 IEEE80211_VERIFY_ELEMENT(scan->xrates,
608 IEEE80211_RATE_MAXSIZE - scan->rates[1],
609 scan->status |= IEEE80211_BPARSE_XRATES_INVALID);
611 IEEE80211_VERIFY_ELEMENT(scan->ssid, IEEE80211_NWID_LEN,
612 scan->status |= IEEE80211_BPARSE_SSID_INVALID);
613 if (scan->chan != scan->bchan && ic->ic_phytype != IEEE80211_T_FH) {
615 * Frame was received on a channel different from the
616 * one indicated in the DS params element id;
617 * silently discard it.
619 * NB: this can happen due to signal leakage.
620 * But we should take it for FH phy because
621 * the rssi value should be correct even for
622 * different hop pattern in FH.
624 IEEE80211_DISCARD(vap,
625 IEEE80211_MSG_ELEMID | IEEE80211_MSG_INPUT,
626 wh, NULL, "for off-channel %u", scan->chan);
627 vap->iv_stats.is_rx_chanmismatch++;
628 scan->status |= IEEE80211_BPARSE_OFFCHAN;
630 if (!(IEEE80211_BINTVAL_MIN <= scan->bintval &&
631 scan->bintval <= IEEE80211_BINTVAL_MAX)) {
632 IEEE80211_DISCARD(vap,
633 IEEE80211_MSG_ELEMID | IEEE80211_MSG_INPUT,
634 wh, NULL, "bogus beacon interval", scan->bintval);
635 vap->iv_stats.is_rx_badbintval++;
636 scan->status |= IEEE80211_BPARSE_BINTVAL_INVALID;
638 if (scan->country != NULL) {
640 * Validate we have at least enough data to extract
641 * the country code. Not sure if we should return an
642 * error instead of discarding the IE; consider this
643 * being lenient as we don't depend on the data for
646 IEEE80211_VERIFY_LENGTH(scan->country[1], 3 * sizeof(uint8_t),
647 scan->country = NULL);
649 if (scan->csa != NULL) {
651 * Validate Channel Switch Announcement; this must
652 * be the correct length or we toss the frame.
654 IEEE80211_VERIFY_LENGTH(scan->csa[1], 3 * sizeof(uint8_t),
655 scan->status |= IEEE80211_BPARSE_CSA_INVALID);
658 * Process HT ie's. This is complicated by our
659 * accepting both the standard ie's and the pre-draft
660 * vendor OUI ie's that some vendors still use/require.
662 if (scan->htcap != NULL) {
663 IEEE80211_VERIFY_LENGTH(scan->htcap[1],
664 scan->htcap[0] == IEEE80211_ELEMID_VENDOR ?
665 4 + sizeof(struct ieee80211_ie_htcap)-2 :
666 sizeof(struct ieee80211_ie_htcap)-2,
669 if (scan->htinfo != NULL) {
670 IEEE80211_VERIFY_LENGTH(scan->htinfo[1],
671 scan->htinfo[0] == IEEE80211_ELEMID_VENDOR ?
672 4 + sizeof(struct ieee80211_ie_htinfo)-2 :
673 sizeof(struct ieee80211_ie_htinfo)-2,
674 scan->htinfo = NULL);
680 * Parse an Action frame. Return 0 on success, non-zero on failure.
683 ieee80211_parse_action(struct ieee80211_node *ni, struct mbuf *m)
685 struct ieee80211vap *vap = ni->ni_vap;
686 const struct ieee80211_action *ia;
687 struct ieee80211_frame *wh;
691 * action frame format:
696 wh = mtod(m, struct ieee80211_frame *);
697 frm = (u_int8_t *)&wh[1];
698 efrm = mtod(m, u_int8_t *) + m->m_len;
699 IEEE80211_VERIFY_LENGTH(efrm - frm,
700 sizeof(struct ieee80211_action), return EINVAL);
701 ia = (const struct ieee80211_action *) frm;
703 vap->iv_stats.is_rx_action++;
704 IEEE80211_NODE_STAT(ni, rx_action);
706 /* verify frame payloads but defer processing */
707 /* XXX maybe push this to method */
708 switch (ia->ia_category) {
709 case IEEE80211_ACTION_CAT_BA:
710 switch (ia->ia_action) {
711 case IEEE80211_ACTION_BA_ADDBA_REQUEST:
712 IEEE80211_VERIFY_LENGTH(efrm - frm,
713 sizeof(struct ieee80211_action_ba_addbarequest),
716 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
717 IEEE80211_VERIFY_LENGTH(efrm - frm,
718 sizeof(struct ieee80211_action_ba_addbaresponse),
721 case IEEE80211_ACTION_BA_DELBA:
722 IEEE80211_VERIFY_LENGTH(efrm - frm,
723 sizeof(struct ieee80211_action_ba_delba),
728 case IEEE80211_ACTION_CAT_HT:
729 switch (ia->ia_action) {
730 case IEEE80211_ACTION_HT_TXCHWIDTH:
731 IEEE80211_VERIFY_LENGTH(efrm - frm,
732 sizeof(struct ieee80211_action_ht_txchwidth),
735 case IEEE80211_ACTION_HT_MIMOPWRSAVE:
736 IEEE80211_VERIFY_LENGTH(efrm - frm,
737 sizeof(struct ieee80211_action_ht_mimopowersave),
746 #ifdef IEEE80211_DEBUG
751 ieee80211_ssid_mismatch(struct ieee80211vap *vap, const char *tag,
752 uint8_t mac[IEEE80211_ADDR_LEN], uint8_t *ssid)
754 printf("[%s] discard %s frame, ssid mismatch: ",
755 ether_sprintf(mac), tag);
756 ieee80211_print_essid(ssid + 2, ssid[1]);
761 * Return the bssid of a frame.
763 static const uint8_t *
764 ieee80211_getbssid(struct ieee80211vap *vap, const struct ieee80211_frame *wh)
766 if (vap->iv_opmode == IEEE80211_M_STA)
768 if ((wh->i_fc[1] & IEEE80211_FC1_DIR_MASK) != IEEE80211_FC1_DIR_NODS)
770 if ((wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) == IEEE80211_FC0_SUBTYPE_PS_POLL)
775 #include <machine/stdarg.h>
778 ieee80211_note(struct ieee80211vap *vap, const char *fmt, ...)
780 char buf[128]; /* XXX */
784 vsnprintf(buf, sizeof(buf), fmt, ap);
787 if_printf(vap->iv_ifp, "%s", buf); /* NB: no \n */
791 ieee80211_note_frame(struct ieee80211vap *vap,
792 const struct ieee80211_frame *wh,
793 const char *fmt, ...)
795 char buf[128]; /* XXX */
799 vsnprintf(buf, sizeof(buf), fmt, ap);
801 if_printf(vap->iv_ifp, "[%s] %s\n",
802 ether_sprintf(ieee80211_getbssid(vap, wh)), buf);
806 ieee80211_note_mac(struct ieee80211vap *vap,
807 const uint8_t mac[IEEE80211_ADDR_LEN],
808 const char *fmt, ...)
810 char buf[128]; /* XXX */
814 vsnprintf(buf, sizeof(buf), fmt, ap);
816 if_printf(vap->iv_ifp, "[%s] %s\n", ether_sprintf(mac), buf);
820 ieee80211_discard_frame(struct ieee80211vap *vap,
821 const struct ieee80211_frame *wh,
822 const char *type, const char *fmt, ...)
826 if_printf(vap->iv_ifp, "[%s] discard ",
827 ether_sprintf(ieee80211_getbssid(vap, wh)));
829 printf("%s frame, ", ieee80211_mgt_subtype_name[
830 (wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) >>
831 IEEE80211_FC0_SUBTYPE_SHIFT]);
833 printf("%s frame, ", type);
841 ieee80211_discard_ie(struct ieee80211vap *vap,
842 const struct ieee80211_frame *wh,
843 const char *type, const char *fmt, ...)
847 if_printf(vap->iv_ifp, "[%s] discard ",
848 ether_sprintf(ieee80211_getbssid(vap, wh)));
850 printf("%s information element, ", type);
852 printf("information element, ");
860 ieee80211_discard_mac(struct ieee80211vap *vap,
861 const uint8_t mac[IEEE80211_ADDR_LEN],
862 const char *type, const char *fmt, ...)
866 if_printf(vap->iv_ifp, "[%s] discard ", ether_sprintf(mac));
868 printf("%s frame, ", type);
876 #endif /* IEEE80211_DEBUG */