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("$FreeBSD$");
   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, int);
   67 static void _db_show_com(const struct ieee80211com *,
   68         int showvaps, int showsta, int showmesh, 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, showmesh = 0, 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                         showmesh = 1;
  117                         break;
  118                 case 'm':
  119                         showmesh = 1;
  120                         break;
  121                 case 'p':
  122                         showprocs = 1;
  123                         break;
  124                 }
  125         _db_show_vap((const struct ieee80211vap *) addr, showmesh, showprocs);
  126 }
  127 
  128 DB_SHOW_COMMAND(com, db_show_com)
  129 {
  130         const struct ieee80211com *ic;
  131         int i, showprocs = 0, showvaps = 0, showsta = 0, showmesh = 0;
  132 
  133         if (!have_addr) {
  134                 db_printf("usage: show com <addr>\n");
  135                 return;
  136         }
  137         for (i = 0; modif[i] != '\0'; i++)
  138                 switch (modif[i]) {
  139                 case 'a':
  140                         showsta = showmesh = showvaps = showprocs = 1;
  141                         break;
  142                 case 's':
  143                         showsta = 1;
  144                         break;
  145                 case 'm':
  146                         showmesh = 1;
  147                         break;
  148                 case 'v':
  149                         showvaps = 1;
  150                         break;
  151                 case 'p':
  152                         showprocs = 1;
  153                         break;
  154                 }
  155 
  156         ic = (const struct ieee80211com *) addr;
  157         _db_show_com(ic, showvaps, showsta, showmesh, showprocs);
  158 }
  159 
  160 DB_SHOW_ALL_COMMAND(vaps, db_show_all_vaps)
  161 {
  162         VNET_ITERATOR_DECL(vnet_iter);
  163         const struct ifnet *ifp;
  164         int i, showall = 0;
  165 
  166         for (i = 0; modif[i] != '\0'; i++)
  167                 switch (modif[i]) {
  168                 case 'a':
  169                         showall = 1;
  170                         break;
  171                 }
  172 
  173         VNET_FOREACH(vnet_iter) {
  174                 TAILQ_FOREACH(ifp, &V_ifnet, if_list)
  175                         if (ifp->if_type == IFT_IEEE80211) {
  176                                 const struct ieee80211com *ic = ifp->if_l2com;
  177 
  178                                 if (!showall) {
  179                                         const struct ieee80211vap *vap;
  180                                         db_printf("%s: com %p vaps:",
  181                                             ifp->if_xname, ic);
  182                                         TAILQ_FOREACH(vap, &ic->ic_vaps,
  183                                             iv_next)
  184                                                 db_printf(" %s(%p)",
  185                                                     vap->iv_ifp->if_xname, vap);
  186                                         db_printf("\n");
  187                                 } else
  188                                         _db_show_com(ic, 1, 1, 1, 1);
  189                         }
  190         }
  191 }
  192 
  193 #ifdef IEEE80211_SUPPORT_MESH
  194 DB_SHOW_ALL_COMMAND(mesh, db_show_mesh)
  195 {
  196         const struct ieee80211_mesh_state *ms;
  197 
  198         if (!have_addr) {
  199                 db_printf("usage: show mesh <addr>\n");
  200                 return;
  201         }
  202         ms = (const struct ieee80211_mesh_state *) addr;
  203         _db_show_mesh(ms);
  204 }
  205 #endif /* IEEE80211_SUPPORT_MESH */
  206 
  207 static void
  208 _db_show_txampdu(const char *sep, int ix, const struct ieee80211_tx_ampdu *tap)
  209 {
  210         db_printf("%stxampdu[%d]: %p flags %b %s\n",
  211                 sep, ix, tap, tap->txa_flags, IEEE80211_AGGR_BITS,
  212                 ieee80211_wme_acnames[TID_TO_WME_AC(tap->txa_tid)]);
  213         db_printf("%s  token %u lastsample %d pkts %d avgpps %d qbytes %d qframes %d\n",
  214                 sep, tap->txa_token, tap->txa_lastsample, tap->txa_pkts,
  215                 tap->txa_avgpps, tap->txa_qbytes, tap->txa_qframes);
  216         db_printf("%s  start %u seqpending %u wnd %u attempts %d nextrequest %d\n",
  217                 sep, tap->txa_start, tap->txa_seqpending, tap->txa_wnd,
  218                 tap->txa_attempts, tap->txa_nextrequest);
  219         /* XXX timer */
  220 }
  221 
  222 static void
  223 _db_show_rxampdu(const char *sep, int ix, const struct ieee80211_rx_ampdu *rap)
  224 {
  225         int i;
  226 
  227         db_printf("%srxampdu[%d]: %p flags 0x%x tid %u\n",
  228                 sep, ix, rap, rap->rxa_flags, ix /*XXX */);
  229         db_printf("%s  qbytes %d qframes %d seqstart %u start %u wnd %u\n",
  230                 sep, rap->rxa_qbytes, rap->rxa_qframes,
  231                 rap->rxa_seqstart, rap->rxa_start, rap->rxa_wnd);
  232         db_printf("%s  age %d nframes %d\n", sep,
  233                 rap->rxa_age, rap->rxa_nframes);
  234         for (i = 0; i < IEEE80211_AGGR_BAWMAX; i++)
  235                 if (rap->rxa_m[i] != NULL)
  236                         db_printf("%s  m[%2u:%4u] %p\n", sep, i,
  237                             IEEE80211_SEQ_ADD(rap->rxa_start, i),
  238                             rap->rxa_m[i]);
  239 }
  240 
  241 static void
  242 _db_show_sta(const struct ieee80211_node *ni)
  243 {
  244         int i;
  245 
  246         db_printf("0x%p: mac %s refcnt %d\n", ni,
  247                 ether_sprintf(ni->ni_macaddr), ieee80211_node_refcnt(ni));
  248         db_printf("\tvap %p wdsvap %p ic %p table %p\n",
  249                 ni->ni_vap, ni->ni_wdsvap, ni->ni_ic, ni->ni_table);
  250         db_printf("\tflags=%b\n", ni->ni_flags, IEEE80211_NODE_BITS);
  251         db_printf("\tscangen %u authmode %u ath_flags 0x%x ath_defkeyix %u\n",
  252                 ni->ni_scangen, ni->ni_authmode,
  253                 ni->ni_ath_flags, ni->ni_ath_defkeyix);
  254         db_printf("\tassocid 0x%x txpower %u vlan %u\n",
  255                 ni->ni_associd, ni->ni_txpower, ni->ni_vlan);
  256         db_printf("\tjointime %d (%lu secs) challenge %p\n",
  257                 ni->ni_jointime, (unsigned long)(time_uptime - ni->ni_jointime),
  258                 ni->ni_challenge);
  259         db_printf("\ties: data %p len %d\n", ni->ni_ies.data, ni->ni_ies.len);
  260         db_printf("\t[wpa_ie %p rsn_ie %p wme_ie %p ath_ie %p\n",
  261                 ni->ni_ies.wpa_ie, ni->ni_ies.rsn_ie, ni->ni_ies.wme_ie,
  262                 ni->ni_ies.ath_ie);
  263         db_printf("\t htcap_ie %p htinfo_ie %p]\n",
  264                 ni->ni_ies.htcap_ie, ni->ni_ies.htinfo_ie);
  265         if (ni->ni_flags & IEEE80211_NODE_QOS) {
  266                 for (i = 0; i < WME_NUM_TID; i++) {
  267                         if (ni->ni_txseqs[i] || ni->ni_rxseqs[i])
  268                                 db_printf("\t[%u] txseq %u rxseq %u fragno %u\n",
  269                                     i, ni->ni_txseqs[i],
  270                                     ni->ni_rxseqs[i] >> IEEE80211_SEQ_SEQ_SHIFT,
  271                                     ni->ni_rxseqs[i] & IEEE80211_SEQ_FRAG_MASK);
  272                 }
  273         }
  274         db_printf("\ttxseq %u rxseq %u fragno %u rxfragstamp %u\n",
  275                 ni->ni_txseqs[IEEE80211_NONQOS_TID],
  276                 ni->ni_rxseqs[IEEE80211_NONQOS_TID] >> IEEE80211_SEQ_SEQ_SHIFT,
  277                 ni->ni_rxseqs[IEEE80211_NONQOS_TID] & IEEE80211_SEQ_FRAG_MASK,
  278                 ni->ni_rxfragstamp);
  279         db_printf("\trxfrag[0] %p rxfrag[1] %p rxfrag[2] %p\n",
  280                 ni->ni_rxfrag[0], ni->ni_rxfrag[1], ni->ni_rxfrag[2]);
  281         _db_show_key("\tucastkey", 0, &ni->ni_ucastkey);
  282         db_printf("\tavgrssi 0x%x (rssi %d) noise %d\n",
  283                 ni->ni_avgrssi, IEEE80211_RSSI_GET(ni->ni_avgrssi),
  284                 ni->ni_noise);
  285         db_printf("\tintval %u capinfo %b\n",
  286                 ni->ni_intval, ni->ni_capinfo, IEEE80211_CAPINFO_BITS);
  287         db_printf("\tbssid %s", ether_sprintf(ni->ni_bssid));
  288         _db_show_ssid(" essid ", 0, ni->ni_esslen, ni->ni_essid);
  289         db_printf("\n");
  290         _db_show_channel("\tchannel", ni->ni_chan);
  291         db_printf("\n");
  292         db_printf("\terp %b dtim_period %u dtim_count %u\n",
  293                 ni->ni_erp, IEEE80211_ERP_BITS,
  294                 ni->ni_dtim_period, ni->ni_dtim_count);
  295 
  296         db_printf("\thtcap %b htparam 0x%x htctlchan %u ht2ndchan %u\n",
  297                 ni->ni_htcap, IEEE80211_HTCAP_BITS,
  298                 ni->ni_htparam, ni->ni_htctlchan, ni->ni_ht2ndchan);
  299         db_printf("\thtopmode 0x%x htstbc 0x%x chw %u\n",
  300                 ni->ni_htopmode, ni->ni_htstbc, ni->ni_chw);
  301 
  302         /* XXX ampdu state */
  303         for (i = 0; i < WME_NUM_TID; i++)
  304                 if (ni->ni_tx_ampdu[i].txa_flags & IEEE80211_AGGR_SETUP)
  305                         _db_show_txampdu("\t", i, &ni->ni_tx_ampdu[i]);
  306         for (i = 0; i < WME_NUM_TID; i++)
  307                 if (ni->ni_rx_ampdu[i].rxa_flags)
  308                         _db_show_rxampdu("\t", i, &ni->ni_rx_ampdu[i]);
  309 
  310         db_printf("\tinact %u inact_reload %u txrate %u\n",
  311                 ni->ni_inact, ni->ni_inact_reload, ni->ni_txrate);
  312 #ifdef IEEE80211_SUPPORT_MESH
  313         _db_show_ssid("\tmeshid ", 0, ni->ni_meshidlen, ni->ni_meshid);
  314         db_printf(" mlstate %b mllid 0x%x mlpid 0x%x mlrcnt %u mltval %u\n",
  315             ni->ni_mlstate, IEEE80211_MESH_MLSTATE_BITS,
  316             ni->ni_mllid, ni->ni_mlpid, ni->ni_mlrcnt, ni->ni_mltval);
  317 #endif
  318 }
  319 
  320 #ifdef IEEE80211_SUPPORT_TDMA
  321 static void
  322 _db_show_tdma(const char *sep, const struct ieee80211_tdma_state *ts, int showprocs)
  323 {
  324         db_printf("%stdma %p:\n", sep, ts);
  325         db_printf("%s  version %u slot %u bintval %u peer %p\n", sep,
  326             ts->tdma_version, ts->tdma_slot, ts->tdma_bintval, ts->tdma_peer);
  327         db_printf("%s  slotlen %u slotcnt %u", sep,
  328             ts->tdma_slotlen, ts->tdma_slotcnt);
  329         db_printf(" inuse 0x%x active 0x%x count %d\n",
  330             ts->tdma_inuse[0], ts->tdma_active[0], ts->tdma_count);
  331         if (showprocs) {
  332                 DB_PRINTSYM(sep, "  tdma_newstate", ts->tdma_newstate);
  333                 DB_PRINTSYM(sep, "  tdma_recv_mgmt", ts->tdma_recv_mgmt);
  334                 DB_PRINTSYM(sep, "  tdma_opdetach", ts->tdma_opdetach);
  335         }
  336 }
  337 #endif /* IEEE80211_SUPPORT_TDMA */
  338 
  339 static void
  340 _db_show_vap(const struct ieee80211vap *vap, int showmesh, int showprocs)
  341 {
  342         const struct ieee80211com *ic = vap->iv_ic;
  343         int i;
  344 
  345         db_printf("%p:", vap);
  346         db_printf(" bss %p", vap->iv_bss);
  347         db_printf(" myaddr %s", ether_sprintf(vap->iv_myaddr));
  348         db_printf("\n");
  349 
  350         db_printf("\topmode %s", ieee80211_opmode_name[vap->iv_opmode]);
  351 #ifdef IEEE80211_SUPPORT_MESH
  352         if (vap->iv_opmode == IEEE80211_M_MBSS)
  353                 db_printf("(%p)", vap->iv_mesh);
  354 #endif
  355         db_printf(" state %s", ieee80211_state_name[vap->iv_state]);
  356         db_printf(" ifp %p(%s)", vap->iv_ifp, vap->iv_ifp->if_xname);
  357         db_printf("\n");
  358 
  359         db_printf("\tic %p", vap->iv_ic);
  360         db_printf(" media %p", &vap->iv_media);
  361         db_printf(" bpf_if %p", vap->iv_rawbpf);
  362         db_printf(" mgtsend %p", &vap->iv_mgtsend);
  363 #if 0
  364         struct sysctllog        *iv_sysctl;     /* dynamic sysctl context */
  365 #endif
  366         db_printf("\n");
  367         db_printf("\tdebug=%b\n", vap->iv_debug, IEEE80211_MSG_BITS);
  368 
  369         db_printf("\tflags=%b\n", vap->iv_flags, IEEE80211_F_BITS);
  370         db_printf("\tflags_ext=%b\n", vap->iv_flags_ext, IEEE80211_FEXT_BITS);
  371         db_printf("\tflags_ht=%b\n", vap->iv_flags_ht, IEEE80211_FHT_BITS);
  372         db_printf("\tflags_ven=%b\n", vap->iv_flags_ven, IEEE80211_FVEN_BITS);
  373         db_printf("\tcaps=%b\n", vap->iv_caps, IEEE80211_C_BITS);
  374         db_printf("\thtcaps=%b\n", vap->iv_htcaps, IEEE80211_C_HTCAP_BITS);
  375 
  376         _db_show_stats(&vap->iv_stats);
  377 
  378         db_printf("\tinact_init %d", vap->iv_inact_init);
  379         db_printf(" inact_auth %d", vap->iv_inact_auth);
  380         db_printf(" inact_run %d", vap->iv_inact_run);
  381         db_printf(" inact_probe %d", vap->iv_inact_probe);
  382         db_printf("\n");
  383 
  384         db_printf("\tdes_nssid %d", vap->iv_des_nssid);
  385         if (vap->iv_des_nssid)
  386                 _db_show_ssid(" des_ssid[%u] ", 0,
  387                     vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid);
  388         db_printf(" des_bssid %s", ether_sprintf(vap->iv_des_bssid));
  389         db_printf("\n");
  390         db_printf("\tdes_mode %d", vap->iv_des_mode);
  391         _db_show_channel(" des_chan", vap->iv_des_chan);
  392         db_printf("\n");
  393 #if 0
  394         int                     iv_nicknamelen; /* XXX junk */
  395         uint8_t                 iv_nickname[IEEE80211_NWID_LEN];
  396 #endif
  397         db_printf("\tbgscanidle %u", vap->iv_bgscanidle);
  398         db_printf(" bgscanintvl %u", vap->iv_bgscanintvl);
  399         db_printf(" scanvalid %u", vap->iv_scanvalid);
  400         db_printf("\n");
  401         db_printf("\tscanreq_duration %u", vap->iv_scanreq_duration);
  402         db_printf(" scanreq_mindwell %u", vap->iv_scanreq_mindwell);
  403         db_printf(" scanreq_maxdwell %u", vap->iv_scanreq_maxdwell);
  404         db_printf("\n");
  405         db_printf("\tscanreq_flags 0x%x", vap->iv_scanreq_flags);
  406         db_printf(" scanreq_nssid %d", vap->iv_scanreq_nssid);
  407         for (i = 0; i < vap->iv_scanreq_nssid; i++)
  408                 _db_show_ssid(" scanreq_ssid[%u]", i,
  409                     vap->iv_scanreq_ssid[i].len, vap->iv_scanreq_ssid[i].ssid);
  410         db_printf(" roaming %d", vap->iv_roaming);
  411         db_printf("\n");
  412         for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
  413                 if (isset(ic->ic_modecaps, i)) {
  414                         _db_show_roamparams("\troamparms[%s]",
  415                             ieee80211_phymode_name[i], &vap->iv_roamparms[i]);
  416                         db_printf("\n");
  417                 }
  418 
  419         db_printf("\tbmissthreshold %u", vap->iv_bmissthreshold);
  420         db_printf(" bmiss_max %u", vap->iv_bmiss_count);
  421         db_printf(" bmiss_max %d", vap->iv_bmiss_max);
  422         db_printf("\n");
  423         db_printf("\tswbmiss_count %u", vap->iv_swbmiss_count);
  424         db_printf(" swbmiss_period %u", vap->iv_swbmiss_period);
  425         db_printf(" swbmiss %p", &vap->iv_swbmiss);
  426         db_printf("\n");
  427 
  428         db_printf("\tampdu_rxmax %d", vap->iv_ampdu_rxmax);
  429         db_printf(" ampdu_density %d", vap->iv_ampdu_density);
  430         db_printf(" ampdu_limit %d", vap->iv_ampdu_limit);
  431         db_printf(" amsdu_limit %d", vap->iv_amsdu_limit);
  432         db_printf("\n");
  433 
  434         db_printf("\tmax_aid %u", vap->iv_max_aid);
  435         db_printf(" aid_bitmap %p", vap->iv_aid_bitmap);
  436         db_printf("\n");
  437         db_printf("\tsta_assoc %u", vap->iv_sta_assoc);
  438         db_printf(" ps_sta %u", vap->iv_ps_sta);
  439         db_printf(" ps_pending %u", vap->iv_ps_pending);
  440         db_printf(" tim_len %u", vap->iv_tim_len);
  441         db_printf(" tim_bitmap %p", vap->iv_tim_bitmap);
  442         db_printf("\n");
  443         db_printf("\tdtim_period %u", vap->iv_dtim_period);
  444         db_printf(" dtim_count %u", vap->iv_dtim_count);
  445         db_printf(" set_tim %p", vap->iv_set_tim);
  446         db_printf(" csa_count %d", vap->iv_csa_count);
  447         db_printf("\n");
  448 
  449         db_printf("\trtsthreshold %u", vap->iv_rtsthreshold);
  450         db_printf(" fragthreshold %u", vap->iv_fragthreshold);
  451         db_printf(" inact_timer %d", vap->iv_inact_timer);
  452         db_printf("\n");
  453         for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
  454                 if (isset(ic->ic_modecaps, i)) {
  455                         _db_show_txparams("\ttxparms[%s]",
  456                             ieee80211_phymode_name[i], &vap->iv_txparms[i]);
  457                         db_printf("\n");
  458                 }
  459 
  460         /* application-specified IE's to attach to mgt frames */
  461         _db_show_appie("\tappie_beacon", vap->iv_appie_beacon);
  462         _db_show_appie("\tappie_probereq", vap->iv_appie_probereq);
  463         _db_show_appie("\tappie_proberesp", vap->iv_appie_proberesp);
  464         _db_show_appie("\tappie_assocreq", vap->iv_appie_assocreq);
  465         _db_show_appie("\tappie_asscoresp", vap->iv_appie_assocresp);
  466         _db_show_appie("\tappie_wpa", vap->iv_appie_wpa);
  467         if (vap->iv_wpa_ie != NULL || vap->iv_rsn_ie != NULL) {
  468                 if (vap->iv_wpa_ie != NULL)
  469                         db_printf("\twpa_ie %p", vap->iv_wpa_ie);
  470                 if (vap->iv_rsn_ie != NULL)
  471                         db_printf("\trsn_ie %p", vap->iv_rsn_ie);
  472                 db_printf("\n");
  473         }
  474         db_printf("\tmax_keyix %u", vap->iv_max_keyix);
  475         db_printf(" def_txkey %d", vap->iv_def_txkey);
  476         db_printf("\n");
  477         for (i = 0; i < IEEE80211_WEP_NKID; i++)
  478                 _db_show_key("\tnw_keys[%u]", i, &vap->iv_nw_keys[i]);
  479 
  480         db_printf("\tauth %p(%s)", vap->iv_auth, vap->iv_auth->ia_name);
  481         db_printf(" ec %p", vap->iv_ec);
  482 
  483         db_printf(" acl %p", vap->iv_acl);
  484         db_printf(" as %p", vap->iv_as);
  485         db_printf("\n");
  486 #ifdef IEEE80211_SUPPORT_MESH
  487         if (showmesh && vap->iv_mesh != NULL)
  488                 _db_show_mesh(vap->iv_mesh);
  489 #endif
  490 #ifdef IEEE80211_SUPPORT_TDMA
  491         if (vap->iv_tdma != NULL)
  492                 _db_show_tdma("\t", vap->iv_tdma, showprocs);
  493 #endif /* IEEE80211_SUPPORT_TDMA */
  494         if (showprocs) {
  495                 DB_PRINTSYM("\t", "iv_key_alloc", vap->iv_key_alloc);
  496                 DB_PRINTSYM("\t", "iv_key_delete", vap->iv_key_delete);
  497                 DB_PRINTSYM("\t", "iv_key_set", vap->iv_key_set);
  498                 DB_PRINTSYM("\t", "iv_key_update_begin", vap->iv_key_update_begin);
  499                 DB_PRINTSYM("\t", "iv_key_update_end", vap->iv_key_update_end);
  500                 DB_PRINTSYM("\t", "iv_opdetach", vap->iv_opdetach);
  501                 DB_PRINTSYM("\t", "iv_input", vap->iv_input);
  502                 DB_PRINTSYM("\t", "iv_recv_mgmt", vap->iv_recv_mgmt);
  503                 DB_PRINTSYM("\t", "iv_deliver_data", vap->iv_deliver_data);
  504                 DB_PRINTSYM("\t", "iv_bmiss", vap->iv_bmiss);
  505                 DB_PRINTSYM("\t", "iv_reset", vap->iv_reset);
  506                 DB_PRINTSYM("\t", "iv_update_beacon", vap->iv_update_beacon);
  507                 DB_PRINTSYM("\t", "iv_newstate", vap->iv_newstate);
  508                 DB_PRINTSYM("\t", "iv_output", vap->iv_output);
  509         }
  510 }
  511 
  512 static void
  513 _db_show_com(const struct ieee80211com *ic, int showvaps, int showsta,
  514     int showmesh, int showprocs)
  515 {
  516         struct ieee80211vap *vap;
  517 
  518         db_printf("%p:", ic);
  519         TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
  520                 db_printf(" %s(%p)", vap->iv_ifp->if_xname, vap);
  521         db_printf("\n");
  522         db_printf("\tifp %p(%s)", ic->ic_ifp, ic->ic_ifp->if_xname);
  523         db_printf(" comlock %p", &ic->ic_comlock);
  524         db_printf("\n");
  525         db_printf("\theadroom %d", ic->ic_headroom);
  526         db_printf(" phytype %d", ic->ic_phytype);
  527         db_printf(" opmode %s", ieee80211_opmode_name[ic->ic_opmode]);
  528         db_printf("\n");
  529         db_printf("\tmedia %p", &ic->ic_media);
  530         db_printf(" inact %p", &ic->ic_inact);
  531         db_printf("\n");
  532 
  533         db_printf("\tflags=%b\n", ic->ic_flags, IEEE80211_F_BITS);
  534         db_printf("\tflags_ext=%b\n", ic->ic_flags_ext, IEEE80211_FEXT_BITS);
  535         db_printf("\tflags_ht=%b\n", ic->ic_flags_ht, IEEE80211_FHT_BITS);
  536         db_printf("\tflags_ven=%b\n", ic->ic_flags_ven, IEEE80211_FVEN_BITS);
  537         db_printf("\tcaps=%b\n", ic->ic_caps, IEEE80211_C_BITS);
  538         db_printf("\tcryptocaps=%b\n",
  539             ic->ic_cryptocaps, IEEE80211_CRYPTO_BITS);
  540         db_printf("\thtcaps=%b\n", ic->ic_htcaps, IEEE80211_HTCAP_BITS);
  541 
  542 #if 0
  543         uint8_t                 ic_modecaps[2]; /* set of mode capabilities */
  544 #endif
  545         db_printf("\tcurmode %u", ic->ic_curmode);
  546         db_printf(" promisc %u", ic->ic_promisc);
  547         db_printf(" allmulti %u", ic->ic_allmulti);
  548         db_printf(" nrunning %u", ic->ic_nrunning);
  549         db_printf("\n");
  550         db_printf("\tbintval %u", ic->ic_bintval);
  551         db_printf(" lintval %u", ic->ic_lintval);
  552         db_printf(" holdover %u", ic->ic_holdover);
  553         db_printf(" txpowlimit %u", ic->ic_txpowlimit);
  554         db_printf("\n");
  555 #if 0
  556         struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
  557 #endif
  558         /*
  559          * Channel state:
  560          *
  561          * ic_channels is the set of available channels for the device;
  562          *    it is setup by the driver
  563          * ic_nchans is the number of valid entries in ic_channels
  564          * ic_chan_avail is a bit vector of these channels used to check
  565          *    whether a channel is available w/o searching the channel table.
  566          * ic_chan_active is a (potentially) constrained subset of
  567          *    ic_chan_avail that reflects any mode setting or user-specified
  568          *    limit on the set of channels to use/scan
  569          * ic_curchan is the current channel the device is set to; it may
  570          *    be different from ic_bsschan when we are off-channel scanning
  571          *    or otherwise doing background work
  572          * ic_bsschan is the channel selected for operation; it may
  573          *    be undefined (IEEE80211_CHAN_ANYC)
  574          * ic_prevchan is a cached ``previous channel'' used to optimize
  575          *    lookups when switching back+forth between two channels
  576          *    (e.g. for dynamic turbo)
  577          */
  578         db_printf("\tnchans %d", ic->ic_nchans);
  579 #if 0
  580         struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
  581         uint8_t                 ic_chan_avail[IEEE80211_CHAN_BYTES];
  582         uint8_t                 ic_chan_active[IEEE80211_CHAN_BYTES];
  583         uint8_t                 ic_chan_scan[IEEE80211_CHAN_BYTES];
  584 #endif
  585         db_printf("\n");
  586         _db_show_channel("\tcurchan", ic->ic_curchan);
  587         db_printf("\n");
  588         _db_show_channel("\tbsschan", ic->ic_bsschan);
  589         db_printf("\n");
  590         _db_show_channel("\tprevchan", ic->ic_prevchan);
  591         db_printf("\n");
  592         db_printf("\tregdomain %p", &ic->ic_regdomain);
  593         db_printf("\n");
  594 
  595         _db_show_channel("\tcsa_newchan", ic->ic_csa_newchan);
  596         db_printf(" csa_count %d", ic->ic_csa_count);
  597         db_printf( "dfs %p", &ic->ic_dfs);
  598         db_printf("\n");
  599 
  600         db_printf("\tscan %p", ic->ic_scan);
  601         db_printf(" lastdata %d", ic->ic_lastdata);
  602         db_printf(" lastscan %d", ic->ic_lastscan);
  603         db_printf("\n");
  604 
  605         db_printf("\tmax_keyix %d", ic->ic_max_keyix);
  606         db_printf(" hash_key 0x%x", ic->ic_hash_key);
  607         db_printf(" wme %p", &ic->ic_wme);
  608         if (!showsta)
  609                 db_printf(" sta %p", &ic->ic_sta);
  610         db_printf("\n");
  611         db_printf("\tstageq@%p:\n", &ic->ic_stageq);
  612         _db_show_ageq("\t", &ic->ic_stageq);
  613         if (showsta)
  614                 _db_show_node_table("\t", &ic->ic_sta);
  615 
  616         db_printf("\tprotmode %d", ic->ic_protmode);
  617         db_printf(" nonerpsta %u", ic->ic_nonerpsta);
  618         db_printf(" longslotsta %u", ic->ic_longslotsta);
  619         db_printf(" lastnonerp %d", ic->ic_lastnonerp);
  620         db_printf("\n");
  621         db_printf("\tsta_assoc %u", ic->ic_sta_assoc);
  622         db_printf(" ht_sta_assoc %u", ic->ic_ht_sta_assoc);
  623         db_printf(" ht40_sta_assoc %u", ic->ic_ht40_sta_assoc);
  624         db_printf("\n");
  625         db_printf("\tcurhtprotmode 0x%x", ic->ic_curhtprotmode);
  626         db_printf(" htprotmode %d", ic->ic_htprotmode);
  627         db_printf(" lastnonht %d", ic->ic_lastnonht);
  628         db_printf("\n");
  629 
  630         db_printf("\tsuperg %p\n", ic->ic_superg);
  631 
  632         db_printf("\tmontaps %d th %p txchan %p rh %p rxchan %p\n",
  633             ic->ic_montaps, ic->ic_th, ic->ic_txchan, ic->ic_rh, ic->ic_rxchan);
  634 
  635         if (showprocs) {
  636                 DB_PRINTSYM("\t", "ic_vap_create", ic->ic_vap_create);
  637                 DB_PRINTSYM("\t", "ic_vap_delete", ic->ic_vap_delete);
  638 #if 0
  639                 /* operating mode attachment */
  640                 ieee80211vap_attach     ic_vattach[IEEE80211_OPMODE_MAX];
  641 #endif
  642                 DB_PRINTSYM("\t", "ic_newassoc", ic->ic_newassoc);
  643                 DB_PRINTSYM("\t", "ic_getradiocaps", ic->ic_getradiocaps);
  644                 DB_PRINTSYM("\t", "ic_setregdomain", ic->ic_setregdomain);
  645                 DB_PRINTSYM("\t", "ic_send_mgmt", ic->ic_send_mgmt);
  646                 DB_PRINTSYM("\t", "ic_raw_xmit", ic->ic_raw_xmit);
  647                 DB_PRINTSYM("\t", "ic_updateslot", ic->ic_updateslot);
  648                 DB_PRINTSYM("\t", "ic_update_mcast", ic->ic_update_mcast);
  649                 DB_PRINTSYM("\t", "ic_update_promisc", ic->ic_update_promisc);
  650                 DB_PRINTSYM("\t", "ic_node_alloc", ic->ic_node_alloc);
  651                 DB_PRINTSYM("\t", "ic_node_free", ic->ic_node_free);
  652                 DB_PRINTSYM("\t", "ic_node_cleanup", ic->ic_node_cleanup);
  653                 DB_PRINTSYM("\t", "ic_node_getrssi", ic->ic_node_getrssi);
  654                 DB_PRINTSYM("\t", "ic_node_getsignal", ic->ic_node_getsignal);
  655                 DB_PRINTSYM("\t", "ic_node_getmimoinfo", ic->ic_node_getmimoinfo);
  656                 DB_PRINTSYM("\t", "ic_scan_start", ic->ic_scan_start);
  657                 DB_PRINTSYM("\t", "ic_scan_end", ic->ic_scan_end);
  658                 DB_PRINTSYM("\t", "ic_set_channel", ic->ic_set_channel);
  659                 DB_PRINTSYM("\t", "ic_scan_curchan", ic->ic_scan_curchan);
  660                 DB_PRINTSYM("\t", "ic_scan_mindwell", ic->ic_scan_mindwell);
  661                 DB_PRINTSYM("\t", "ic_recv_action", ic->ic_recv_action);
  662                 DB_PRINTSYM("\t", "ic_send_action", ic->ic_send_action);
  663                 DB_PRINTSYM("\t", "ic_addba_request", ic->ic_addba_request);
  664                 DB_PRINTSYM("\t", "ic_addba_response", ic->ic_addba_response);
  665                 DB_PRINTSYM("\t", "ic_addba_stop", ic->ic_addba_stop);
  666         }
  667         if (showvaps && !TAILQ_EMPTY(&ic->ic_vaps)) {
  668                 db_printf("\n");
  669                 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
  670                         _db_show_vap(vap, showmesh, showprocs);
  671         }
  672         if (showsta && !TAILQ_EMPTY(&ic->ic_sta.nt_node)) {
  673                 const struct ieee80211_node_table *nt = &ic->ic_sta;
  674                 const struct ieee80211_node *ni;
  675 
  676                 TAILQ_FOREACH(ni, &nt->nt_node, ni_list) {
  677                         db_printf("\n");
  678                         _db_show_sta(ni);
  679                 }
  680         }
  681 }
  682 
  683 static void
  684 _db_show_node_table(const char *tag, const struct ieee80211_node_table *nt)
  685 {
  686         int i;
  687 
  688         db_printf("%s%s@%p:\n", tag, nt->nt_name, nt);
  689         db_printf("%s nodelock %p", tag, &nt->nt_nodelock);
  690         db_printf(" inact_init %d", nt->nt_inact_init);
  691         db_printf(" scanlock %p", &nt->nt_scanlock);
  692         db_printf(" scangen %u\n", nt->nt_scangen);
  693         db_printf("%s keyixmax %d keyixmap %p\n",
  694             tag, nt->nt_keyixmax, nt->nt_keyixmap);
  695         for (i = 0; i < nt->nt_keyixmax; i++) {
  696                 const struct ieee80211_node *ni = nt->nt_keyixmap[i];
  697                 if (ni != NULL)
  698                         db_printf("%s [%3u] %p %s\n", tag, i, ni,
  699                             ether_sprintf(ni->ni_macaddr));
  700         }
  701 }
  702 
  703 static void
  704 _db_show_channel(const char *tag, const struct ieee80211_channel *c)
  705 {
  706         db_printf("%s ", tag);
  707         if (c == NULL)
  708                 db_printf("<NULL>");
  709         else if (c == IEEE80211_CHAN_ANYC)
  710                 db_printf("<ANY>");
  711         else
  712                 db_printf("[%u (%u) flags=%b maxreg %d maxpow %d minpow %d state 0x%x extieee %u]",
  713                     c->ic_freq, c->ic_ieee,
  714                     c->ic_flags, IEEE80211_CHAN_BITS,
  715                     c->ic_maxregpower, c->ic_maxpower, c->ic_minpower,
  716                     c->ic_state, c->ic_extieee);
  717 }
  718 
  719 static void
  720 _db_show_ssid(const char *tag, int ix, int len, const uint8_t *ssid)
  721 {
  722         const uint8_t *p;
  723         int i;
  724 
  725         db_printf(tag, ix);
  726 
  727         if (len > IEEE80211_NWID_LEN)
  728                 len = IEEE80211_NWID_LEN;
  729         /* determine printable or not */
  730         for (i = 0, p = ssid; i < len; i++, p++) {
  731                 if (*p < ' ' || *p > 0x7e)
  732                         break;
  733         }
  734         if (i == len) {
  735                 db_printf("\"");
  736                 for (i = 0, p = ssid; i < len; i++, p++)
  737                         db_printf("%c", *p);
  738                 db_printf("\"");
  739         } else {
  740                 db_printf("0x");
  741                 for (i = 0, p = ssid; i < len; i++, p++)
  742                         db_printf("%02x", *p);
  743         }
  744 }
  745 
  746 static void
  747 _db_show_appie(const char *tag, const struct ieee80211_appie *ie)
  748 {
  749         const uint8_t *p;
  750         int i;
  751 
  752         if (ie == NULL)
  753                 return;
  754         db_printf("%s [0x", tag);
  755         for (i = 0, p = ie->ie_data; i < ie->ie_len; i++, p++)
  756                 db_printf("%02x", *p);
  757         db_printf("]\n");
  758 }
  759 
  760 static void
  761 _db_show_key(const char *tag, int ix, const struct ieee80211_key *wk)
  762 {
  763         static const uint8_t zerodata[IEEE80211_KEYBUF_SIZE];
  764         const struct ieee80211_cipher *cip = wk->wk_cipher;
  765         int keylen = wk->wk_keylen;
  766 
  767         db_printf(tag, ix);
  768         switch (cip->ic_cipher) {
  769         case IEEE80211_CIPHER_WEP:
  770                 /* compatibility */
  771                 db_printf(" wepkey %u:%s", wk->wk_keyix,
  772                     keylen <= 5 ? "40-bit" :
  773                     keylen <= 13 ? "104-bit" : "128-bit");
  774                 break;
  775         case IEEE80211_CIPHER_TKIP:
  776                 if (keylen > 128/8)
  777                         keylen -= 128/8;        /* ignore MIC for now */
  778                 db_printf(" TKIP %u:%u-bit", wk->wk_keyix, 8*keylen);
  779                 break;
  780         case IEEE80211_CIPHER_AES_OCB:
  781                 db_printf(" AES-OCB %u:%u-bit", wk->wk_keyix, 8*keylen);
  782                 break;
  783         case IEEE80211_CIPHER_AES_CCM:
  784                 db_printf(" AES-CCM %u:%u-bit", wk->wk_keyix, 8*keylen);
  785                 break;
  786         case IEEE80211_CIPHER_CKIP:
  787                 db_printf(" CKIP %u:%u-bit", wk->wk_keyix, 8*keylen);
  788                 break;
  789         case IEEE80211_CIPHER_NONE:
  790                 db_printf(" NULL %u:%u-bit", wk->wk_keyix, 8*keylen);
  791                 break;
  792         default:
  793                 db_printf(" UNKNOWN (0x%x) %u:%u-bit",
  794                         cip->ic_cipher, wk->wk_keyix, 8*keylen);
  795                 break;
  796         }
  797         if (wk->wk_rxkeyix != wk->wk_keyix)
  798                 db_printf(" rxkeyix %u", wk->wk_rxkeyix);
  799         if (memcmp(wk->wk_key, zerodata, keylen) != 0) {
  800                 int i;
  801 
  802                 db_printf(" <");
  803                 for (i = 0; i < keylen; i++)
  804                         db_printf("%02x", wk->wk_key[i]);
  805                 db_printf(">");
  806                 if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
  807                     wk->wk_keyrsc[IEEE80211_NONQOS_TID] != 0)
  808                         db_printf(" rsc %ju", (uintmax_t)wk->wk_keyrsc[IEEE80211_NONQOS_TID]);
  809                 if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
  810                     wk->wk_keytsc != 0)
  811                         db_printf(" tsc %ju", (uintmax_t)wk->wk_keytsc);
  812                 db_printf(" flags=%b", wk->wk_flags, IEEE80211_KEY_BITS);
  813         }
  814         db_printf("\n");
  815 }
  816 
  817 static void
  818 printrate(const char *tag, int v)
  819 {
  820         if (v == IEEE80211_FIXED_RATE_NONE)
  821                 db_printf(" %s <none>", tag);
  822         else if (v == 11)
  823                 db_printf(" %s 5.5", tag);
  824         else if (v & IEEE80211_RATE_MCS)
  825                 db_printf(" %s MCS%d", tag, v &~ IEEE80211_RATE_MCS);
  826         else
  827                 db_printf(" %s %d", tag, v/2);
  828 }
  829 
  830 static void
  831 _db_show_roamparams(const char *tag, const void *arg,
  832     const struct ieee80211_roamparam *rp)
  833 {
  834 
  835         db_printf(tag, arg);
  836         if (rp->rssi & 1)
  837                 db_printf(" rssi %u.5", rp->rssi/2);
  838         else
  839                 db_printf(" rssi %u", rp->rssi/2);
  840         printrate("rate", rp->rate);
  841 }
  842 
  843 static void
  844 _db_show_txparams(const char *tag, const void *arg,
  845     const struct ieee80211_txparam *tp)
  846 {
  847 
  848         db_printf(tag, arg);
  849         printrate("ucastrate", tp->ucastrate);
  850         printrate("mcastrate", tp->mcastrate);
  851         printrate("mgmtrate", tp->mgmtrate);
  852         db_printf(" maxretry %d", tp->maxretry);
  853 }
  854 
  855 static void
  856 _db_show_ageq(const char *tag, const struct ieee80211_ageq *q)
  857 {
  858         const struct mbuf *m;
  859 
  860         db_printf("%s lock %p len %d maxlen %d drops %d head %p tail %p\n",
  861             tag, &q->aq_lock, q->aq_len, q->aq_maxlen, q->aq_drops,
  862             q->aq_head, q->aq_tail);
  863         for (m = q->aq_head; m != NULL; m = m->m_nextpkt)
  864                 db_printf("%s %p (len %d, %b)\n", tag, m, m->m_len,
  865                     /* XXX could be either TX or RX but is mostly TX */
  866                     m->m_flags, IEEE80211_MBUF_TX_FLAG_BITS);
  867 }
  868 
  869 static void
  870 _db_show_stats(const struct ieee80211_stats *is)
  871 {
  872 }
  873 
  874 #ifdef IEEE80211_SUPPORT_MESH
  875 static void
  876 _db_show_mesh(const struct ieee80211_mesh_state *ms)
  877 {
  878         struct ieee80211_mesh_route *rt;
  879         int i;
  880 
  881         _db_show_ssid(" meshid ", 0, ms->ms_idlen, ms->ms_id);
  882         db_printf("nextseq %u ttl %u flags 0x%x\n", ms->ms_seq,
  883             ms->ms_ttl, ms->ms_flags);
  884         db_printf("routing table:\n");
  885         i = 0;
  886         TAILQ_FOREACH(rt, &ms->ms_routes, rt_next) {
  887                 db_printf("entry %d:\tdest: %6D nexthop: %6D metric: %u", i,
  888                     rt->rt_dest, ":", rt->rt_nexthop, ":", rt->rt_metric);
  889 
  890                 db_printf("\tlifetime: %u lastseq: %u priv: %p\n",
  891                     ieee80211_mesh_rt_update(rt, 0),
  892                     rt->rt_lastmseq, rt->rt_priv);
  893                 i++;
  894         }
  895 }
  896 #endif /* IEEE80211_SUPPORT_MESH */
  897 #endif /* DDB */

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