The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/net80211/ieee80211_ddb.c

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    1 /*-
    2  * Copyright (c) 2007-2009 Sam Leffler, Errno Consulting
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   17  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   19  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   21  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   24  */
   25 
   26 #include <sys/cdefs.h>
   27 __FBSDID("$FreeBSD: stable/9/sys/net80211/ieee80211_ddb.c 196019 2009-08-01 19:26:27Z rwatson $");
   28 
   29 #include "opt_ddb.h"
   30 #include "opt_wlan.h"
   31 
   32 #ifdef DDB
   33 /*
   34  * IEEE 802.11 DDB support
   35  */
   36 #include <sys/param.h>
   37 #include <sys/systm.h> 
   38 #include <sys/kernel.h>
   39 #include <sys/socket.h>
   40 
   41 #include <net/if.h>
   42 #include <net/if_dl.h>
   43 #include <net/if_media.h>
   44 #include <net/if_types.h>
   45 #include <net/ethernet.h>
   46 #include <net/vnet.h>
   47 
   48 #include <net80211/ieee80211_var.h>
   49 #ifdef IEEE80211_SUPPORT_TDMA
   50 #include <net80211/ieee80211_tdma.h>
   51 #endif
   52 #ifdef IEEE80211_SUPPORT_MESH
   53 #include <net80211/ieee80211_mesh.h>
   54 #endif
   55 
   56 #include <ddb/ddb.h>
   57 #include <ddb/db_sym.h>
   58 
   59 #define DB_PRINTSYM(prefix, name, addr) do { \
   60         db_printf("%s%-25s : ",  prefix, name); \
   61         db_printsym((db_addr_t) addr, DB_STGY_ANY); \
   62         db_printf("\n"); \
   63 } while (0)
   64 
   65 static void _db_show_sta(const struct ieee80211_node *);
   66 static void _db_show_vap(const struct ieee80211vap *, int);
   67 static void _db_show_com(const struct ieee80211com *,
   68         int showvaps, int showsta, int showprocs);
   69 
   70 static void _db_show_node_table(const char *tag,
   71         const struct ieee80211_node_table *);
   72 static void _db_show_channel(const char *tag, const struct ieee80211_channel *);
   73 static void _db_show_ssid(const char *tag, int ix, int len, const uint8_t *);
   74 static void _db_show_appie(const char *tag, const struct ieee80211_appie *);
   75 static void _db_show_key(const char *tag, int ix, const struct ieee80211_key *);
   76 static void _db_show_roamparams(const char *tag, const void *arg,
   77         const struct ieee80211_roamparam *rp);
   78 static void _db_show_txparams(const char *tag, const void *arg,
   79         const struct ieee80211_txparam *tp);
   80 static void _db_show_ageq(const char *tag, const struct ieee80211_ageq *q);
   81 static void _db_show_stats(const struct ieee80211_stats *);
   82 #ifdef IEEE80211_SUPPORT_MESH
   83 static void _db_show_mesh(const struct ieee80211_mesh_state *);
   84 #endif
   85 
   86 DB_SHOW_COMMAND(sta, db_show_sta)
   87 {
   88         if (!have_addr) {
   89                 db_printf("usage: show sta <addr>\n");
   90                 return;
   91         }
   92         _db_show_sta((const struct ieee80211_node *) addr);
   93 }
   94 
   95 DB_SHOW_COMMAND(statab, db_show_statab)
   96 {
   97         if (!have_addr) {
   98                 db_printf("usage: show statab <addr>\n");
   99                 return;
  100         }
  101         _db_show_node_table("", (const struct ieee80211_node_table *) addr);
  102 }
  103 
  104 DB_SHOW_COMMAND(vap, db_show_vap)
  105 {
  106         int i, showprocs = 0;
  107 
  108         if (!have_addr) {
  109                 db_printf("usage: show vap <addr>\n");
  110                 return;
  111         }
  112         for (i = 0; modif[i] != '\0'; i++)
  113                 switch (modif[i]) {
  114                 case 'a':
  115                         showprocs = 1;
  116                         break;
  117                 case 'p':
  118                         showprocs = 1;
  119                         break;
  120                 }
  121         _db_show_vap((const struct ieee80211vap *) addr, showprocs);
  122 }
  123 
  124 DB_SHOW_COMMAND(com, db_show_com)
  125 {
  126         const struct ieee80211com *ic;
  127         int i, showprocs = 0, showvaps = 0, showsta = 0;
  128 
  129         if (!have_addr) {
  130                 db_printf("usage: show com <addr>\n");
  131                 return;
  132         }
  133         for (i = 0; modif[i] != '\0'; i++)
  134                 switch (modif[i]) {
  135                 case 'a':
  136                         showsta = showvaps = showprocs = 1;
  137                         break;
  138                 case 's':
  139                         showsta = 1;
  140                         break;
  141                 case 'v':
  142                         showvaps = 1;
  143                         break;
  144                 case 'p':
  145                         showprocs = 1;
  146                         break;
  147                 }
  148 
  149         ic = (const struct ieee80211com *) addr;
  150         _db_show_com(ic, showvaps, showsta, showprocs);
  151 }
  152 
  153 DB_SHOW_ALL_COMMAND(vaps, db_show_all_vaps)
  154 {
  155         VNET_ITERATOR_DECL(vnet_iter);
  156         const struct ifnet *ifp;
  157         int i, showall = 0;
  158 
  159         for (i = 0; modif[i] != '\0'; i++)
  160                 switch (modif[i]) {
  161                 case 'a':
  162                         showall = 1;
  163                         break;
  164                 }
  165 
  166         VNET_FOREACH(vnet_iter) {
  167                 TAILQ_FOREACH(ifp, &V_ifnet, if_list)
  168                         if (ifp->if_type == IFT_IEEE80211) {
  169                                 const struct ieee80211com *ic = ifp->if_l2com;
  170 
  171                                 if (!showall) {
  172                                         const struct ieee80211vap *vap;
  173                                         db_printf("%s: com %p vaps:",
  174                                             ifp->if_xname, ic);
  175                                         TAILQ_FOREACH(vap, &ic->ic_vaps,
  176                                             iv_next)
  177                                                 db_printf(" %s(%p)",
  178                                                     vap->iv_ifp->if_xname, vap);
  179                                         db_printf("\n");
  180                                 } else
  181                                         _db_show_com(ic, 1, 1, 1);
  182                         }
  183         }
  184 }
  185 
  186 #ifdef IEEE80211_SUPPORT_MESH
  187 DB_SHOW_ALL_COMMAND(mesh, db_show_mesh)
  188 {
  189         const struct ieee80211_mesh_state *ms;
  190 
  191         if (!have_addr) {
  192                 db_printf("usage: show mesh <addr>\n");
  193                 return;
  194         }
  195         ms = (const struct ieee80211_mesh_state *) addr;
  196         _db_show_mesh(ms);
  197 }
  198 #endif /* IEEE80211_SUPPORT_MESH */
  199 
  200 static void
  201 _db_show_txampdu(const char *sep, int ix, const struct ieee80211_tx_ampdu *tap)
  202 {
  203         db_printf("%stxampdu[%d]: %p flags %b %s\n",
  204                 sep, ix, tap, tap->txa_flags, IEEE80211_AGGR_BITS,
  205                 ieee80211_wme_acnames[tap->txa_ac]);
  206         db_printf("%s  token %u lastsample %d pkts %d avgpps %d qbytes %d qframes %d\n",
  207                 sep, tap->txa_token, tap->txa_lastsample, tap->txa_pkts,
  208                 tap->txa_avgpps, tap->txa_qbytes, tap->txa_qframes);
  209         db_printf("%s  start %u seqpending %u wnd %u attempts %d nextrequest %d\n",
  210                 sep, tap->txa_start, tap->txa_seqpending, tap->txa_wnd,
  211                 tap->txa_attempts, tap->txa_nextrequest);
  212         /* XXX timer */
  213 }
  214 
  215 static void
  216 _db_show_rxampdu(const char *sep, int ix, const struct ieee80211_rx_ampdu *rap)
  217 {
  218         int i;
  219 
  220         db_printf("%srxampdu[%d]: %p flags 0x%x tid %u\n",
  221                 sep, ix, rap, rap->rxa_flags, ix /*XXX */);
  222         db_printf("%s  qbytes %d qframes %d seqstart %u start %u wnd %u\n",
  223                 sep, rap->rxa_qbytes, rap->rxa_qframes,
  224                 rap->rxa_seqstart, rap->rxa_start, rap->rxa_wnd);
  225         db_printf("%s  age %d nframes %d\n", sep,
  226                 rap->rxa_age, rap->rxa_nframes);
  227         for (i = 0; i < IEEE80211_AGGR_BAWMAX; i++)
  228                 if (rap->rxa_m[i] != NULL)
  229                         db_printf("%s  m[%2u:%4u] %p\n", sep, i,
  230                             IEEE80211_SEQ_ADD(rap->rxa_start, i),
  231                             rap->rxa_m[i]);
  232 }
  233 
  234 static void
  235 _db_show_sta(const struct ieee80211_node *ni)
  236 {
  237         int i;
  238 
  239         db_printf("0x%p: mac %s refcnt %d\n", ni,
  240                 ether_sprintf(ni->ni_macaddr), ieee80211_node_refcnt(ni));
  241         db_printf("\tvap %p wdsvap %p ic %p table %p\n",
  242                 ni->ni_vap, ni->ni_wdsvap, ni->ni_ic, ni->ni_table);
  243         db_printf("\tflags=%b\n", ni->ni_flags, IEEE80211_NODE_BITS);
  244         db_printf("\tscangen %u authmode %u ath_flags 0x%x ath_defkeyix %u\n",
  245                 ni->ni_scangen, ni->ni_authmode,
  246                 ni->ni_ath_flags, ni->ni_ath_defkeyix);
  247         db_printf("\tassocid 0x%x txpower %u vlan %u\n",
  248                 ni->ni_associd, ni->ni_txpower, ni->ni_vlan);
  249         db_printf("\tjointime %d (%lu secs) challenge %p\n",
  250                 ni->ni_jointime, (unsigned long)(time_uptime - ni->ni_jointime),
  251                 ni->ni_challenge);
  252         db_printf("\ties: data %p len %d\n", ni->ni_ies.data, ni->ni_ies.len);
  253         db_printf("\t[wpa_ie %p rsn_ie %p wme_ie %p ath_ie %p\n",
  254                 ni->ni_ies.wpa_ie, ni->ni_ies.rsn_ie, ni->ni_ies.wme_ie,
  255                 ni->ni_ies.ath_ie);
  256         db_printf("\t htcap_ie %p htinfo_ie %p]\n",
  257                 ni->ni_ies.htcap_ie, ni->ni_ies.htinfo_ie);
  258         if (ni->ni_flags & IEEE80211_NODE_QOS) {
  259                 for (i = 0; i < WME_NUM_TID; i++) {
  260                         if (ni->ni_txseqs[i] || ni->ni_rxseqs[i])
  261                                 db_printf("\t[%u] txseq %u rxseq %u fragno %u\n",
  262                                     i, ni->ni_txseqs[i],
  263                                     ni->ni_rxseqs[i] >> IEEE80211_SEQ_SEQ_SHIFT,
  264                                     ni->ni_rxseqs[i] & IEEE80211_SEQ_FRAG_MASK);
  265                 }
  266         }
  267         db_printf("\ttxseq %u rxseq %u fragno %u rxfragstamp %u\n",
  268                 ni->ni_txseqs[IEEE80211_NONQOS_TID],
  269                 ni->ni_rxseqs[IEEE80211_NONQOS_TID] >> IEEE80211_SEQ_SEQ_SHIFT,
  270                 ni->ni_rxseqs[IEEE80211_NONQOS_TID] & IEEE80211_SEQ_FRAG_MASK,
  271                 ni->ni_rxfragstamp);
  272         db_printf("\trxfrag[0] %p rxfrag[1] %p rxfrag[2] %p\n",
  273                 ni->ni_rxfrag[0], ni->ni_rxfrag[1], ni->ni_rxfrag[2]);
  274         _db_show_key("\tucastkey", 0, &ni->ni_ucastkey);
  275         db_printf("\tavgrssi 0x%x (rssi %d) noise %d\n",
  276                 ni->ni_avgrssi, IEEE80211_RSSI_GET(ni->ni_avgrssi),
  277                 ni->ni_noise);
  278         db_printf("\tintval %u capinfo %b\n",
  279                 ni->ni_intval, ni->ni_capinfo, IEEE80211_CAPINFO_BITS);
  280         db_printf("\tbssid %s", ether_sprintf(ni->ni_bssid));
  281         _db_show_ssid(" essid ", 0, ni->ni_esslen, ni->ni_essid);
  282         db_printf("\n");
  283         _db_show_channel("\tchannel", ni->ni_chan);
  284         db_printf("\n");
  285         db_printf("\terp %b dtim_period %u dtim_count %u\n",
  286                 ni->ni_erp, IEEE80211_ERP_BITS,
  287                 ni->ni_dtim_period, ni->ni_dtim_count);
  288 
  289         db_printf("\thtcap %b htparam 0x%x htctlchan %u ht2ndchan %u\n",
  290                 ni->ni_htcap, IEEE80211_HTCAP_BITS,
  291                 ni->ni_htparam, ni->ni_htctlchan, ni->ni_ht2ndchan);
  292         db_printf("\thtopmode 0x%x htstbc 0x%x chw %u\n",
  293                 ni->ni_htopmode, ni->ni_htstbc, ni->ni_chw);
  294 
  295         /* XXX ampdu state */
  296         for (i = 0; i < WME_NUM_AC; i++)
  297                 if (ni->ni_tx_ampdu[i].txa_flags & IEEE80211_AGGR_SETUP)
  298                         _db_show_txampdu("\t", i, &ni->ni_tx_ampdu[i]);
  299         for (i = 0; i < WME_NUM_TID; i++)
  300                 if (ni->ni_rx_ampdu[i].rxa_flags)
  301                         _db_show_rxampdu("\t", i, &ni->ni_rx_ampdu[i]);
  302 
  303         db_printf("\tinact %u inact_reload %u txrate %u\n",
  304                 ni->ni_inact, ni->ni_inact_reload, ni->ni_txrate);
  305 #ifdef IEEE80211_SUPPORT_MESH
  306         _db_show_ssid("\tmeshid ", 0, ni->ni_meshidlen, ni->ni_meshid);
  307         db_printf(" mlstate %b mllid 0x%x mlpid 0x%x mlrcnt %u mltval %u\n",
  308             ni->ni_mlstate, IEEE80211_MESH_MLSTATE_BITS,
  309             ni->ni_mllid, ni->ni_mlpid, ni->ni_mlrcnt, ni->ni_mltval);
  310 #endif
  311 }
  312 
  313 #ifdef IEEE80211_SUPPORT_TDMA
  314 static void
  315 _db_show_tdma(const char *sep, const struct ieee80211_tdma_state *ts, int showprocs)
  316 {
  317         db_printf("%stdma %p:\n", sep, ts);
  318         db_printf("%s  version %u slot %u bintval %u peer %p\n", sep,
  319             ts->tdma_version, ts->tdma_slot, ts->tdma_bintval, ts->tdma_peer);
  320         db_printf("%s  slotlen %u slotcnt %u", sep,
  321             ts->tdma_slotlen, ts->tdma_slotcnt);
  322         db_printf(" inuse 0x%x active 0x%x count %d\n",
  323             ts->tdma_inuse[0], ts->tdma_active[0], ts->tdma_count);
  324         if (showprocs) {
  325                 DB_PRINTSYM(sep, "  tdma_newstate", ts->tdma_newstate);
  326                 DB_PRINTSYM(sep, "  tdma_recv_mgmt", ts->tdma_recv_mgmt);
  327                 DB_PRINTSYM(sep, "  tdma_opdetach", ts->tdma_opdetach);
  328         }
  329 }
  330 #endif /* IEEE80211_SUPPORT_TDMA */
  331 
  332 static void
  333 _db_show_vap(const struct ieee80211vap *vap, int showprocs)
  334 {
  335         const struct ieee80211com *ic = vap->iv_ic;
  336         int i;
  337 
  338         db_printf("%p:", vap);
  339         db_printf(" bss %p", vap->iv_bss);
  340         db_printf(" myaddr %s", ether_sprintf(vap->iv_myaddr));
  341         db_printf("\n");
  342 
  343         db_printf("\topmode %s", ieee80211_opmode_name[vap->iv_opmode]);
  344         db_printf(" state %s", ieee80211_state_name[vap->iv_state]);
  345         db_printf(" ifp %p(%s)", vap->iv_ifp, vap->iv_ifp->if_xname);
  346         db_printf("\n");
  347 
  348         db_printf("\tic %p", vap->iv_ic);
  349         db_printf(" media %p", &vap->iv_media);
  350         db_printf(" bpf_if %p", vap->iv_rawbpf);
  351         db_printf(" mgtsend %p", &vap->iv_mgtsend);
  352 #if 0
  353         struct sysctllog        *iv_sysctl;     /* dynamic sysctl context */
  354 #endif
  355         db_printf("\n");
  356         db_printf("\tdebug=%b\n", vap->iv_debug, IEEE80211_MSG_BITS);
  357 
  358         db_printf("\tflags=%b\n", vap->iv_flags, IEEE80211_F_BITS);
  359         db_printf("\tflags_ext=%b\n", vap->iv_flags_ext, IEEE80211_FEXT_BITS);
  360         db_printf("\tflags_ht=%b\n", vap->iv_flags_ht, IEEE80211_FHT_BITS);
  361         db_printf("\tflags_ven=%b\n", vap->iv_flags_ven, IEEE80211_FVEN_BITS);
  362         db_printf("\tcaps=%b\n", vap->iv_caps, IEEE80211_C_BITS);
  363         db_printf("\thtcaps=%b\n", vap->iv_htcaps, IEEE80211_C_HTCAP_BITS);
  364 
  365         _db_show_stats(&vap->iv_stats);
  366 
  367         db_printf("\tinact_init %d", vap->iv_inact_init);
  368         db_printf(" inact_auth %d", vap->iv_inact_auth);
  369         db_printf(" inact_run %d", vap->iv_inact_run);
  370         db_printf(" inact_probe %d", vap->iv_inact_probe);
  371         db_printf("\n");
  372 
  373         db_printf("\tdes_nssid %d", vap->iv_des_nssid);
  374         if (vap->iv_des_nssid)
  375                 _db_show_ssid(" des_ssid[%u] ", 0,
  376                     vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid);
  377         db_printf(" des_bssid %s", ether_sprintf(vap->iv_des_bssid));
  378         db_printf("\n");
  379         db_printf("\tdes_mode %d", vap->iv_des_mode);
  380         _db_show_channel(" des_chan", vap->iv_des_chan);
  381         db_printf("\n");
  382 #if 0
  383         int                     iv_nicknamelen; /* XXX junk */
  384         uint8_t                 iv_nickname[IEEE80211_NWID_LEN];
  385 #endif
  386         db_printf("\tbgscanidle %u", vap->iv_bgscanidle);
  387         db_printf(" bgscanintvl %u", vap->iv_bgscanintvl);
  388         db_printf(" scanvalid %u", vap->iv_scanvalid);
  389         db_printf("\n");
  390         db_printf("\tscanreq_duration %u", vap->iv_scanreq_duration);
  391         db_printf(" scanreq_mindwell %u", vap->iv_scanreq_mindwell);
  392         db_printf(" scanreq_maxdwell %u", vap->iv_scanreq_maxdwell);
  393         db_printf("\n");
  394         db_printf("\tscanreq_flags 0x%x", vap->iv_scanreq_flags);
  395         db_printf(" scanreq_nssid %d", vap->iv_scanreq_nssid);
  396         for (i = 0; i < vap->iv_scanreq_nssid; i++)
  397                 _db_show_ssid(" scanreq_ssid[%u]", i,
  398                     vap->iv_scanreq_ssid[i].len, vap->iv_scanreq_ssid[i].ssid);
  399         db_printf(" roaming %d", vap->iv_roaming);
  400         db_printf("\n");
  401         for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
  402                 if (isset(ic->ic_modecaps, i)) {
  403                         _db_show_roamparams("\troamparms[%s]",
  404                             ieee80211_phymode_name[i], &vap->iv_roamparms[i]);
  405                         db_printf("\n");
  406                 }
  407 
  408         db_printf("\tbmissthreshold %u", vap->iv_bmissthreshold);
  409         db_printf(" bmiss_max %u", vap->iv_bmiss_count);
  410         db_printf(" bmiss_max %d", vap->iv_bmiss_max);
  411         db_printf("\n");
  412         db_printf("\tswbmiss_count %u", vap->iv_swbmiss_count);
  413         db_printf(" swbmiss_period %u", vap->iv_swbmiss_period);
  414         db_printf(" swbmiss %p", &vap->iv_swbmiss);
  415         db_printf("\n");
  416 
  417         db_printf("\tampdu_rxmax %d", vap->iv_ampdu_rxmax);
  418         db_printf(" ampdu_density %d", vap->iv_ampdu_density);
  419         db_printf(" ampdu_limit %d", vap->iv_ampdu_limit);
  420         db_printf(" amsdu_limit %d", vap->iv_amsdu_limit);
  421         db_printf("\n");
  422 
  423         db_printf("\tmax_aid %u", vap->iv_max_aid);
  424         db_printf(" aid_bitmap %p", vap->iv_aid_bitmap);
  425         db_printf("\n");
  426         db_printf("\tsta_assoc %u", vap->iv_sta_assoc);
  427         db_printf(" ps_sta %u", vap->iv_ps_sta);
  428         db_printf(" ps_pending %u", vap->iv_ps_pending);
  429         db_printf(" tim_len %u", vap->iv_tim_len);
  430         db_printf(" tim_bitmap %p", vap->iv_tim_bitmap);
  431         db_printf("\n");
  432         db_printf("\tdtim_period %u", vap->iv_dtim_period);
  433         db_printf(" dtim_count %u", vap->iv_dtim_count);
  434         db_printf(" set_tim %p", vap->iv_set_tim);
  435         db_printf(" csa_count %d", vap->iv_csa_count);
  436         db_printf("\n");
  437 
  438         db_printf("\trtsthreshold %u", vap->iv_rtsthreshold);
  439         db_printf(" fragthreshold %u", vap->iv_fragthreshold);
  440         db_printf(" inact_timer %d", vap->iv_inact_timer);
  441         db_printf("\n");
  442         for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
  443                 if (isset(ic->ic_modecaps, i)) {
  444                         _db_show_txparams("\ttxparms[%s]",
  445                             ieee80211_phymode_name[i], &vap->iv_txparms[i]);
  446                         db_printf("\n");
  447                 }
  448 
  449         /* application-specified IE's to attach to mgt frames */
  450         _db_show_appie("\tappie_beacon", vap->iv_appie_beacon);
  451         _db_show_appie("\tappie_probereq", vap->iv_appie_probereq);
  452         _db_show_appie("\tappie_proberesp", vap->iv_appie_proberesp);
  453         _db_show_appie("\tappie_assocreq", vap->iv_appie_assocreq);
  454         _db_show_appie("\tappie_asscoresp", vap->iv_appie_assocresp);
  455         _db_show_appie("\tappie_wpa", vap->iv_appie_wpa);
  456         if (vap->iv_wpa_ie != NULL || vap->iv_rsn_ie != NULL) {
  457                 if (vap->iv_wpa_ie != NULL)
  458                         db_printf("\twpa_ie %p", vap->iv_wpa_ie);
  459                 if (vap->iv_rsn_ie != NULL)
  460                         db_printf("\trsn_ie %p", vap->iv_rsn_ie);
  461                 db_printf("\n");
  462         }
  463         db_printf("\tmax_keyix %u", vap->iv_max_keyix);
  464         db_printf(" def_txkey %d", vap->iv_def_txkey);
  465         db_printf("\n");
  466         for (i = 0; i < IEEE80211_WEP_NKID; i++)
  467                 _db_show_key("\tnw_keys[%u]", i, &vap->iv_nw_keys[i]);
  468 
  469         db_printf("\tauth %p(%s)", vap->iv_auth, vap->iv_auth->ia_name);
  470         db_printf(" ec %p", vap->iv_ec);
  471 
  472         db_printf(" acl %p", vap->iv_acl);
  473         db_printf(" as %p", vap->iv_as);
  474         db_printf("\n");
  475 #ifdef IEEE80211_SUPPORT_TDMA
  476         if (vap->iv_tdma != NULL)
  477                 _db_show_tdma("\t", vap->iv_tdma, showprocs);
  478 #endif /* IEEE80211_SUPPORT_TDMA */
  479         if (showprocs) {
  480                 DB_PRINTSYM("\t", "iv_key_alloc", vap->iv_key_alloc);
  481                 DB_PRINTSYM("\t", "iv_key_delete", vap->iv_key_delete);
  482                 DB_PRINTSYM("\t", "iv_key_set", vap->iv_key_set);
  483                 DB_PRINTSYM("\t", "iv_key_update_begin", vap->iv_key_update_begin);
  484                 DB_PRINTSYM("\t", "iv_key_update_end", vap->iv_key_update_end);
  485                 DB_PRINTSYM("\t", "iv_opdetach", vap->iv_opdetach);
  486                 DB_PRINTSYM("\t", "iv_input", vap->iv_input);
  487                 DB_PRINTSYM("\t", "iv_recv_mgmt", vap->iv_recv_mgmt);
  488                 DB_PRINTSYM("\t", "iv_deliver_data", vap->iv_deliver_data);
  489                 DB_PRINTSYM("\t", "iv_bmiss", vap->iv_bmiss);
  490                 DB_PRINTSYM("\t", "iv_reset", vap->iv_reset);
  491                 DB_PRINTSYM("\t", "iv_update_beacon", vap->iv_update_beacon);
  492                 DB_PRINTSYM("\t", "iv_newstate", vap->iv_newstate);
  493                 DB_PRINTSYM("\t", "iv_output", vap->iv_output);
  494         }
  495 }
  496 
  497 static void
  498 _db_show_com(const struct ieee80211com *ic, int showvaps, int showsta, int showprocs)
  499 {
  500         struct ieee80211vap *vap;
  501 
  502         db_printf("%p:", ic);
  503         TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
  504                 db_printf(" %s(%p)", vap->iv_ifp->if_xname, vap);
  505         db_printf("\n");
  506         db_printf("\tifp %p(%s)", ic->ic_ifp, ic->ic_ifp->if_xname);
  507         db_printf(" comlock %p", &ic->ic_comlock);
  508         db_printf("\n");
  509         db_printf("\theadroom %d", ic->ic_headroom);
  510         db_printf(" phytype %d", ic->ic_phytype);
  511         db_printf(" opmode %s", ieee80211_opmode_name[ic->ic_opmode]);
  512         db_printf("\n");
  513         db_printf("\tmedia %p", &ic->ic_media);
  514         db_printf(" inact %p", &ic->ic_inact);
  515         db_printf("\n");
  516 
  517         db_printf("\tflags=%b\n", ic->ic_flags, IEEE80211_F_BITS);
  518         db_printf("\tflags_ext=%b\n", ic->ic_flags_ext, IEEE80211_FEXT_BITS);
  519         db_printf("\tflags_ht=%b\n", ic->ic_flags_ht, IEEE80211_FHT_BITS);
  520         db_printf("\tflags_ven=%b\n", ic->ic_flags_ven, IEEE80211_FVEN_BITS);
  521         db_printf("\tcaps=%b\n", ic->ic_caps, IEEE80211_C_BITS);
  522         db_printf("\tcryptocaps=%b\n",
  523             ic->ic_cryptocaps, IEEE80211_CRYPTO_BITS);
  524         db_printf("\thtcaps=%b\n", ic->ic_htcaps, IEEE80211_HTCAP_BITS);
  525 
  526 #if 0
  527         uint8_t                 ic_modecaps[2]; /* set of mode capabilities */
  528 #endif
  529         db_printf("\tcurmode %u", ic->ic_curmode);
  530         db_printf(" promisc %u", ic->ic_promisc);
  531         db_printf(" allmulti %u", ic->ic_allmulti);
  532         db_printf(" nrunning %u", ic->ic_nrunning);
  533         db_printf("\n");
  534         db_printf("\tbintval %u", ic->ic_bintval);
  535         db_printf(" lintval %u", ic->ic_lintval);
  536         db_printf(" holdover %u", ic->ic_holdover);
  537         db_printf(" txpowlimit %u", ic->ic_txpowlimit);
  538         db_printf("\n");
  539 #if 0
  540         struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
  541 #endif
  542         /*
  543          * Channel state:
  544          *
  545          * ic_channels is the set of available channels for the device;
  546          *    it is setup by the driver
  547          * ic_nchans is the number of valid entries in ic_channels
  548          * ic_chan_avail is a bit vector of these channels used to check
  549          *    whether a channel is available w/o searching the channel table.
  550          * ic_chan_active is a (potentially) constrained subset of
  551          *    ic_chan_avail that reflects any mode setting or user-specified
  552          *    limit on the set of channels to use/scan
  553          * ic_curchan is the current channel the device is set to; it may
  554          *    be different from ic_bsschan when we are off-channel scanning
  555          *    or otherwise doing background work
  556          * ic_bsschan is the channel selected for operation; it may
  557          *    be undefined (IEEE80211_CHAN_ANYC)
  558          * ic_prevchan is a cached ``previous channel'' used to optimize
  559          *    lookups when switching back+forth between two channels
  560          *    (e.g. for dynamic turbo)
  561          */
  562         db_printf("\tnchans %d", ic->ic_nchans);
  563 #if 0
  564         struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
  565         uint8_t                 ic_chan_avail[IEEE80211_CHAN_BYTES];
  566         uint8_t                 ic_chan_active[IEEE80211_CHAN_BYTES];
  567         uint8_t                 ic_chan_scan[IEEE80211_CHAN_BYTES];
  568 #endif
  569         db_printf("\n");
  570         _db_show_channel("\tcurchan", ic->ic_curchan);
  571         db_printf("\n");
  572         _db_show_channel("\tbsschan", ic->ic_bsschan);
  573         db_printf("\n");
  574         _db_show_channel("\tprevchan", ic->ic_prevchan);
  575         db_printf("\n");
  576         db_printf("\tregdomain %p", &ic->ic_regdomain);
  577         db_printf("\n");
  578 
  579         _db_show_channel("\tcsa_newchan", ic->ic_csa_newchan);
  580         db_printf(" csa_count %d", ic->ic_csa_count);
  581         db_printf( "dfs %p", &ic->ic_dfs);
  582         db_printf("\n");
  583 
  584         db_printf("\tscan %p", ic->ic_scan);
  585         db_printf(" lastdata %d", ic->ic_lastdata);
  586         db_printf(" lastscan %d", ic->ic_lastscan);
  587         db_printf("\n");
  588 
  589         db_printf("\tmax_keyix %d", ic->ic_max_keyix);
  590         db_printf(" hash_key 0x%x", ic->ic_hash_key);
  591         db_printf(" wme %p", &ic->ic_wme);
  592         if (!showsta)
  593                 db_printf(" sta %p", &ic->ic_sta);
  594         db_printf("\n");
  595         db_printf("\tstageq@%p:\n", &ic->ic_stageq);
  596         _db_show_ageq("\t", &ic->ic_stageq);
  597         if (showsta)
  598                 _db_show_node_table("\t", &ic->ic_sta);
  599 
  600         db_printf("\tprotmode %d", ic->ic_protmode);
  601         db_printf(" nonerpsta %u", ic->ic_nonerpsta);
  602         db_printf(" longslotsta %u", ic->ic_longslotsta);
  603         db_printf(" lastnonerp %d", ic->ic_lastnonerp);
  604         db_printf("\n");
  605         db_printf("\tsta_assoc %u", ic->ic_sta_assoc);
  606         db_printf(" ht_sta_assoc %u", ic->ic_ht_sta_assoc);
  607         db_printf(" ht40_sta_assoc %u", ic->ic_ht40_sta_assoc);
  608         db_printf("\n");
  609         db_printf("\tcurhtprotmode 0x%x", ic->ic_curhtprotmode);
  610         db_printf(" htprotmode %d", ic->ic_htprotmode);
  611         db_printf(" lastnonht %d", ic->ic_lastnonht);
  612         db_printf("\n");
  613 
  614         db_printf("\tsuperg %p\n", ic->ic_superg);
  615 
  616         db_printf("\tmontaps %d th %p txchan %p rh %p rxchan %p\n",
  617             ic->ic_montaps, ic->ic_th, ic->ic_txchan, ic->ic_rh, ic->ic_rxchan);
  618 
  619         if (showprocs) {
  620                 DB_PRINTSYM("\t", "ic_vap_create", ic->ic_vap_create);
  621                 DB_PRINTSYM("\t", "ic_vap_delete", ic->ic_vap_delete);
  622 #if 0
  623                 /* operating mode attachment */
  624                 ieee80211vap_attach     ic_vattach[IEEE80211_OPMODE_MAX];
  625 #endif
  626                 DB_PRINTSYM("\t", "ic_newassoc", ic->ic_newassoc);
  627                 DB_PRINTSYM("\t", "ic_getradiocaps", ic->ic_getradiocaps);
  628                 DB_PRINTSYM("\t", "ic_setregdomain", ic->ic_setregdomain);
  629                 DB_PRINTSYM("\t", "ic_send_mgmt", ic->ic_send_mgmt);
  630                 DB_PRINTSYM("\t", "ic_raw_xmit", ic->ic_raw_xmit);
  631                 DB_PRINTSYM("\t", "ic_updateslot", ic->ic_updateslot);
  632                 DB_PRINTSYM("\t", "ic_update_mcast", ic->ic_update_mcast);
  633                 DB_PRINTSYM("\t", "ic_update_promisc", ic->ic_update_promisc);
  634                 DB_PRINTSYM("\t", "ic_node_alloc", ic->ic_node_alloc);
  635                 DB_PRINTSYM("\t", "ic_node_free", ic->ic_node_free);
  636                 DB_PRINTSYM("\t", "ic_node_cleanup", ic->ic_node_cleanup);
  637                 DB_PRINTSYM("\t", "ic_node_getrssi", ic->ic_node_getrssi);
  638                 DB_PRINTSYM("\t", "ic_node_getsignal", ic->ic_node_getsignal);
  639                 DB_PRINTSYM("\t", "ic_node_getmimoinfo", ic->ic_node_getmimoinfo);
  640                 DB_PRINTSYM("\t", "ic_scan_start", ic->ic_scan_start);
  641                 DB_PRINTSYM("\t", "ic_scan_end", ic->ic_scan_end);
  642                 DB_PRINTSYM("\t", "ic_set_channel", ic->ic_set_channel);
  643                 DB_PRINTSYM("\t", "ic_scan_curchan", ic->ic_scan_curchan);
  644                 DB_PRINTSYM("\t", "ic_scan_mindwell", ic->ic_scan_mindwell);
  645                 DB_PRINTSYM("\t", "ic_recv_action", ic->ic_recv_action);
  646                 DB_PRINTSYM("\t", "ic_send_action", ic->ic_send_action);
  647                 DB_PRINTSYM("\t", "ic_addba_request", ic->ic_addba_request);
  648                 DB_PRINTSYM("\t", "ic_addba_response", ic->ic_addba_response);
  649                 DB_PRINTSYM("\t", "ic_addba_stop", ic->ic_addba_stop);
  650         }
  651         if (showvaps && !TAILQ_EMPTY(&ic->ic_vaps)) {
  652                 db_printf("\n");
  653                 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
  654                         _db_show_vap(vap, showprocs);
  655         }
  656         if (showsta && !TAILQ_EMPTY(&ic->ic_sta.nt_node)) {
  657                 const struct ieee80211_node_table *nt = &ic->ic_sta;
  658                 const struct ieee80211_node *ni;
  659 
  660                 TAILQ_FOREACH(ni, &nt->nt_node, ni_list) {
  661                         db_printf("\n");
  662                         _db_show_sta(ni);
  663                 }
  664         }
  665 }
  666 
  667 static void
  668 _db_show_node_table(const char *tag, const struct ieee80211_node_table *nt)
  669 {
  670         int i;
  671 
  672         db_printf("%s%s@%p:\n", tag, nt->nt_name, nt);
  673         db_printf("%s nodelock %p", tag, &nt->nt_nodelock);
  674         db_printf(" inact_init %d", nt->nt_inact_init);
  675         db_printf(" scanlock %p", &nt->nt_scanlock);
  676         db_printf(" scangen %u\n", nt->nt_scangen);
  677         db_printf("%s keyixmax %d keyixmap %p\n",
  678             tag, nt->nt_keyixmax, nt->nt_keyixmap);
  679         for (i = 0; i < nt->nt_keyixmax; i++) {
  680                 const struct ieee80211_node *ni = nt->nt_keyixmap[i];
  681                 if (ni != NULL)
  682                         db_printf("%s [%3u] %p %s\n", tag, i, ni,
  683                             ether_sprintf(ni->ni_macaddr));
  684         }
  685 }
  686 
  687 static void
  688 _db_show_channel(const char *tag, const struct ieee80211_channel *c)
  689 {
  690         db_printf("%s ", tag);
  691         if (c == NULL)
  692                 db_printf("<NULL>");
  693         else if (c == IEEE80211_CHAN_ANYC)
  694                 db_printf("<ANY>");
  695         else
  696                 db_printf("[%u (%u) flags=%b maxreg %d maxpow %d minpow %d state 0x%x extieee %u]",
  697                     c->ic_freq, c->ic_ieee,
  698                     c->ic_flags, IEEE80211_CHAN_BITS,
  699                     c->ic_maxregpower, c->ic_maxpower, c->ic_minpower,
  700                     c->ic_state, c->ic_extieee);
  701 }
  702 
  703 static void
  704 _db_show_ssid(const char *tag, int ix, int len, const uint8_t *ssid)
  705 {
  706         const uint8_t *p;
  707         int i;
  708 
  709         db_printf(tag, ix);
  710 
  711         if (len > IEEE80211_NWID_LEN)
  712                 len = IEEE80211_NWID_LEN;
  713         /* determine printable or not */
  714         for (i = 0, p = ssid; i < len; i++, p++) {
  715                 if (*p < ' ' || *p > 0x7e)
  716                         break;
  717         }
  718         if (i == len) {
  719                 db_printf("\"");
  720                 for (i = 0, p = ssid; i < len; i++, p++)
  721                         db_printf("%c", *p);
  722                 db_printf("\"");
  723         } else {
  724                 db_printf("0x");
  725                 for (i = 0, p = ssid; i < len; i++, p++)
  726                         db_printf("%02x", *p);
  727         }
  728 }
  729 
  730 static void
  731 _db_show_appie(const char *tag, const struct ieee80211_appie *ie)
  732 {
  733         const uint8_t *p;
  734         int i;
  735 
  736         if (ie == NULL)
  737                 return;
  738         db_printf("%s [0x", tag);
  739         for (i = 0, p = ie->ie_data; i < ie->ie_len; i++, p++)
  740                 db_printf("%02x", *p);
  741         db_printf("]\n");
  742 }
  743 
  744 static void
  745 _db_show_key(const char *tag, int ix, const struct ieee80211_key *wk)
  746 {
  747         static const uint8_t zerodata[IEEE80211_KEYBUF_SIZE];
  748         const struct ieee80211_cipher *cip = wk->wk_cipher;
  749         int keylen = wk->wk_keylen;
  750 
  751         db_printf(tag, ix);
  752         switch (cip->ic_cipher) {
  753         case IEEE80211_CIPHER_WEP:
  754                 /* compatibility */
  755                 db_printf(" wepkey %u:%s", wk->wk_keyix,
  756                     keylen <= 5 ? "40-bit" :
  757                     keylen <= 13 ? "104-bit" : "128-bit");
  758                 break;
  759         case IEEE80211_CIPHER_TKIP:
  760                 if (keylen > 128/8)
  761                         keylen -= 128/8;        /* ignore MIC for now */
  762                 db_printf(" TKIP %u:%u-bit", wk->wk_keyix, 8*keylen);
  763                 break;
  764         case IEEE80211_CIPHER_AES_OCB:
  765                 db_printf(" AES-OCB %u:%u-bit", wk->wk_keyix, 8*keylen);
  766                 break;
  767         case IEEE80211_CIPHER_AES_CCM:
  768                 db_printf(" AES-CCM %u:%u-bit", wk->wk_keyix, 8*keylen);
  769                 break;
  770         case IEEE80211_CIPHER_CKIP:
  771                 db_printf(" CKIP %u:%u-bit", wk->wk_keyix, 8*keylen);
  772                 break;
  773         case IEEE80211_CIPHER_NONE:
  774                 db_printf(" NULL %u:%u-bit", wk->wk_keyix, 8*keylen);
  775                 break;
  776         default:
  777                 db_printf(" UNKNOWN (0x%x) %u:%u-bit",
  778                         cip->ic_cipher, wk->wk_keyix, 8*keylen);
  779                 break;
  780         }
  781         if (wk->wk_rxkeyix != wk->wk_keyix)
  782                 db_printf(" rxkeyix %u", wk->wk_rxkeyix);
  783         if (memcmp(wk->wk_key, zerodata, keylen) != 0) {
  784                 int i;
  785 
  786                 db_printf(" <");
  787                 for (i = 0; i < keylen; i++)
  788                         db_printf("%02x", wk->wk_key[i]);
  789                 db_printf(">");
  790                 if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
  791                     wk->wk_keyrsc[IEEE80211_NONQOS_TID] != 0)
  792                         db_printf(" rsc %ju", (uintmax_t)wk->wk_keyrsc[IEEE80211_NONQOS_TID]);
  793                 if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
  794                     wk->wk_keytsc != 0)
  795                         db_printf(" tsc %ju", (uintmax_t)wk->wk_keytsc);
  796                 db_printf(" flags=%b", wk->wk_flags, IEEE80211_KEY_BITS);
  797         }
  798         db_printf("\n");
  799 }
  800 
  801 static void
  802 printrate(const char *tag, int v)
  803 {
  804         if (v == IEEE80211_FIXED_RATE_NONE)
  805                 db_printf(" %s <none>", tag);
  806         else if (v == 11)
  807                 db_printf(" %s 5.5", tag);
  808         else if (v & IEEE80211_RATE_MCS)
  809                 db_printf(" %s MCS%d", tag, v &~ IEEE80211_RATE_MCS);
  810         else
  811                 db_printf(" %s %d", tag, v/2);
  812 }
  813 
  814 static void
  815 _db_show_roamparams(const char *tag, const void *arg,
  816     const struct ieee80211_roamparam *rp)
  817 {
  818 
  819         db_printf(tag, arg);
  820         if (rp->rssi & 1)
  821                 db_printf(" rssi %u.5", rp->rssi/2);
  822         else
  823                 db_printf(" rssi %u", rp->rssi/2);
  824         printrate("rate", rp->rate);
  825 }
  826 
  827 static void
  828 _db_show_txparams(const char *tag, const void *arg,
  829     const struct ieee80211_txparam *tp)
  830 {
  831 
  832         db_printf(tag, arg);
  833         printrate("ucastrate", tp->ucastrate);
  834         printrate("mcastrate", tp->mcastrate);
  835         printrate("mgmtrate", tp->mgmtrate);
  836         db_printf(" maxretry %d", tp->maxretry);
  837 }
  838 
  839 static void
  840 _db_show_ageq(const char *tag, const struct ieee80211_ageq *q)
  841 {
  842         const struct mbuf *m;
  843 
  844         db_printf("%s lock %p len %d maxlen %d drops %d head %p tail %p\n",
  845             tag, &q->aq_lock, q->aq_len, q->aq_maxlen, q->aq_drops,
  846             q->aq_head, q->aq_tail);
  847         for (m = q->aq_head; m != NULL; m = m->m_nextpkt)
  848                 db_printf("%s %p (len %d, %b)\n", tag, m, m->m_len,
  849                     /* XXX could be either TX or RX but is mostly TX */
  850                     m->m_flags, IEEE80211_MBUF_TX_FLAG_BITS);
  851 }
  852 
  853 static void
  854 _db_show_stats(const struct ieee80211_stats *is)
  855 {
  856 }
  857 
  858 #ifdef IEEE80211_SUPPORT_MESH
  859 static void
  860 _db_show_mesh(const struct ieee80211_mesh_state *ms)
  861 {
  862         struct ieee80211_mesh_route *rt;
  863         int i;
  864 
  865         _db_show_ssid(" meshid ", 0, ms->ms_idlen, ms->ms_id);
  866         db_printf("nextseq %u ttl %u flags 0x%x\n", ms->ms_seq,
  867             ms->ms_ttl, ms->ms_flags);
  868         db_printf("routing table:\n");
  869         i = 0;
  870         TAILQ_FOREACH(rt, &ms->ms_routes, rt_next) {
  871                 db_printf("entry %d:\tdest: %6D nexthop: %6D metric: %u", i,
  872                     rt->rt_dest, ":", rt->rt_nexthop, ":", rt->rt_metric);
  873                 db_printf("\tlifetime: %u lastseq: %u priv: %p\n",
  874                     rt->rt_lifetime, rt->rt_lastmseq, rt->rt_priv);
  875                 i++;
  876         }
  877 }
  878 #endif /* IEEE80211_SUPPORT_MESH */
  879 #endif /* DDB */

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