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  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright (c) 2007-2009 Sam Leffler, Errno Consulting
    5  * All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  *
   16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   26  */
   27 
   28 #include <sys/cdefs.h>
   29 __FBSDID("$FreeBSD$");
   30 
   31 #include "opt_ddb.h"
   32 #include "opt_wlan.h"
   33 
   34 #ifdef DDB
   35 /*
   36  * IEEE 802.11 DDB support
   37  */
   38 #include <sys/param.h>
   39 #include <sys/systm.h> 
   40 #include <sys/kernel.h>
   41 #include <sys/malloc.h>
   42 #include <sys/socket.h>
   43 
   44 #include <net/if.h>
   45 #include <net/if_var.h>
   46 #include <net/if_dl.h>
   47 #include <net/if_media.h>
   48 #include <net/if_types.h>
   49 #include <net/ethernet.h>
   50 #include <net/vnet.h>
   51 
   52 #include <net80211/ieee80211_var.h>
   53 #ifdef IEEE80211_SUPPORT_TDMA
   54 #include <net80211/ieee80211_tdma.h>
   55 #endif
   56 #ifdef IEEE80211_SUPPORT_MESH
   57 #include <net80211/ieee80211_mesh.h>
   58 #endif
   59 
   60 #include <ddb/ddb.h>
   61 #include <ddb/db_sym.h>
   62 
   63 #define DB_PRINTSYM(prefix, name, addr) do { \
   64         db_printf("%s%-25s : ",  prefix, name); \
   65         db_printsym((db_addr_t) addr, DB_STGY_ANY); \
   66         db_printf("\n"); \
   67 } while (0)
   68 
   69 static void _db_show_sta(const struct ieee80211_node *);
   70 static void _db_show_vap(const struct ieee80211vap *, int, int);
   71 static void _db_show_com(const struct ieee80211com *,
   72         int showvaps, int showsta, int showmesh, int showprocs);
   73 
   74 static void _db_show_all_vaps(void *, struct ieee80211com *);
   75 
   76 static void _db_show_node_table(const char *tag,
   77         const struct ieee80211_node_table *);
   78 static void _db_show_channel(const char *tag, const struct ieee80211_channel *);
   79 static void _db_show_ssid(const char *tag, int ix, int len, const uint8_t *);
   80 static void _db_show_appie(const char *tag, const struct ieee80211_appie *);
   81 static void _db_show_key(const char *tag, int ix, const struct ieee80211_key *);
   82 static void _db_show_roamparams(const char *tag, const void *arg,
   83         const struct ieee80211_roamparam *rp);
   84 static void _db_show_txparams(const char *tag, const void *arg,
   85         const struct ieee80211_txparam *tp);
   86 static void _db_show_ageq(const char *tag, const struct ieee80211_ageq *q);
   87 static void _db_show_stats(const struct ieee80211_stats *);
   88 #ifdef IEEE80211_SUPPORT_MESH
   89 static void _db_show_mesh(const struct ieee80211_mesh_state *);
   90 #endif
   91 
   92 DB_SHOW_COMMAND(sta, db_show_sta)
   93 {
   94         if (!have_addr) {
   95                 db_printf("usage: show sta <addr>\n");
   96                 return;
   97         }
   98         _db_show_sta((const struct ieee80211_node *) addr);
   99 }
  100 
  101 DB_SHOW_COMMAND(statab, db_show_statab)
  102 {
  103         if (!have_addr) {
  104                 db_printf("usage: show statab <addr>\n");
  105                 return;
  106         }
  107         _db_show_node_table("", (const struct ieee80211_node_table *) addr);
  108 }
  109 
  110 DB_SHOW_COMMAND(vap, db_show_vap)
  111 {
  112         int i, showmesh = 0, showprocs = 0;
  113 
  114         if (!have_addr) {
  115                 db_printf("usage: show vap <addr>\n");
  116                 return;
  117         }
  118         for (i = 0; modif[i] != '\0'; i++)
  119                 switch (modif[i]) {
  120                 case 'a':
  121                         showprocs = 1;
  122                         showmesh = 1;
  123                         break;
  124                 case 'm':
  125                         showmesh = 1;
  126                         break;
  127                 case 'p':
  128                         showprocs = 1;
  129                         break;
  130                 }
  131         _db_show_vap((const struct ieee80211vap *) addr, showmesh, showprocs);
  132 }
  133 
  134 DB_SHOW_COMMAND(com, db_show_com)
  135 {
  136         const struct ieee80211com *ic;
  137         int i, showprocs = 0, showvaps = 0, showsta = 0, showmesh = 0;
  138 
  139         if (!have_addr) {
  140                 db_printf("usage: show com <addr>\n");
  141                 return;
  142         }
  143         for (i = 0; modif[i] != '\0'; i++)
  144                 switch (modif[i]) {
  145                 case 'a':
  146                         showsta = showmesh = showvaps = showprocs = 1;
  147                         break;
  148                 case 's':
  149                         showsta = 1;
  150                         break;
  151                 case 'm':
  152                         showmesh = 1;
  153                         break;
  154                 case 'v':
  155                         showvaps = 1;
  156                         break;
  157                 case 'p':
  158                         showprocs = 1;
  159                         break;
  160                 }
  161 
  162         ic = (const struct ieee80211com *) addr;
  163         _db_show_com(ic, showvaps, showsta, showmesh, showprocs);
  164 }
  165 
  166 DB_SHOW_ALL_COMMAND(vaps, db_show_all_vaps)
  167 {
  168         int i, showall = 0;
  169 
  170         for (i = 0; modif[i] != '\0'; i++)
  171                 switch (modif[i]) {
  172                 case 'a':
  173                         showall = 1;
  174                         break;
  175                 }
  176 
  177         ieee80211_iterate_coms(_db_show_all_vaps, &showall);
  178 }
  179 
  180 #ifdef IEEE80211_SUPPORT_MESH
  181 DB_SHOW_ALL_COMMAND(mesh, db_show_mesh)
  182 {
  183         const struct ieee80211_mesh_state *ms;
  184 
  185         if (!have_addr) {
  186                 db_printf("usage: show mesh <addr>\n");
  187                 return;
  188         }
  189         ms = (const struct ieee80211_mesh_state *) addr;
  190         _db_show_mesh(ms);
  191 }
  192 #endif /* IEEE80211_SUPPORT_MESH */
  193 
  194 static void
  195 _db_show_txampdu(const char *sep, int ix, const struct ieee80211_tx_ampdu *tap)
  196 {
  197         db_printf("%stxampdu[%d]: %p flags %b %s\n",
  198                 sep, ix, tap, tap->txa_flags, IEEE80211_AGGR_BITS,
  199                 ieee80211_wme_acnames[TID_TO_WME_AC(tap->txa_tid)]);
  200         db_printf("%s  token %u lastsample %d pkts %d avgpps %d qbytes %d qframes %d\n",
  201                 sep, tap->txa_token, tap->txa_lastsample, tap->txa_pkts,
  202                 tap->txa_avgpps, tap->txa_qbytes, tap->txa_qframes);
  203         db_printf("%s  start %u seqpending %u wnd %u attempts %d nextrequest %d\n",
  204                 sep, tap->txa_start, tap->txa_seqpending, tap->txa_wnd,
  205                 tap->txa_attempts, tap->txa_nextrequest);
  206         /* XXX timer */
  207 }
  208 
  209 static void
  210 _db_show_rxampdu(const char *sep, int ix, const struct ieee80211_rx_ampdu *rap)
  211 {
  212         struct mbuf *m;
  213         int i;
  214 
  215         db_printf("%srxampdu[%d]: %p flags 0x%x tid %u\n",
  216                 sep, ix, rap, rap->rxa_flags, ix /*XXX */);
  217         db_printf("%s  qbytes %d qframes %d seqstart %u start %u wnd %u\n",
  218                 sep, rap->rxa_qbytes, rap->rxa_qframes,
  219                 rap->rxa_seqstart, rap->rxa_start, rap->rxa_wnd);
  220         db_printf("%s  age %d nframes %d\n", sep,
  221                 rap->rxa_age, rap->rxa_nframes);
  222         for (i = 0; i < IEEE80211_AGGR_BAWMAX; i++)
  223                 if (mbufq_len(&rap->rxa_mq[i]) > 0) {
  224                         db_printf("%s  m[%2u:%4u] ", sep, i,
  225                             IEEE80211_SEQ_ADD(rap->rxa_start, i));
  226                         STAILQ_FOREACH(m, &rap->rxa_mq[i].mq_head,
  227                             m_stailqpkt) {
  228                                 db_printf(" %p", m);
  229                         }
  230                         db_printf("\n");
  231                 }
  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("\tauthmode %u ath_flags 0x%x ath_defkeyix %u\n",
  245                 ni->ni_authmode, ni->ni_ath_flags, ni->ni_ath_defkeyix);
  246         db_printf("\tassocid 0x%x txpower %u vlan %u\n",
  247                 ni->ni_associd, ni->ni_txpower, ni->ni_vlan);
  248         db_printf("\tjointime %d (%lu secs) challenge %p\n",
  249                 ni->ni_jointime, (unsigned long)(time_uptime - ni->ni_jointime),
  250                 ni->ni_challenge);
  251         db_printf("\ties: data %p len %d\n", ni->ni_ies.data, ni->ni_ies.len);
  252         db_printf("\t[wpa_ie %p rsn_ie %p wme_ie %p ath_ie %p\n",
  253                 ni->ni_ies.wpa_ie, ni->ni_ies.rsn_ie, ni->ni_ies.wme_ie,
  254                 ni->ni_ies.ath_ie);
  255         db_printf("\t htcap_ie %p htinfo_ie %p]\n",
  256                 ni->ni_ies.htcap_ie, ni->ni_ies.htinfo_ie);
  257         if (ni->ni_flags & IEEE80211_NODE_QOS) {
  258                 for (i = 0; i < WME_NUM_TID; i++) {
  259                         if (ni->ni_txseqs[i] || ni->ni_rxseqs[i])
  260                                 db_printf("\t[%u] txseq %u rxseq %u fragno %u\n",
  261                                     i, ni->ni_txseqs[i],
  262                                     ni->ni_rxseqs[i] >> IEEE80211_SEQ_SEQ_SHIFT,
  263                                     ni->ni_rxseqs[i] & IEEE80211_SEQ_FRAG_MASK);
  264                 }
  265         }
  266         db_printf("\ttxseq %u rxseq %u fragno %u rxfragstamp %u\n",
  267                 ni->ni_txseqs[IEEE80211_NONQOS_TID],
  268                 ni->ni_rxseqs[IEEE80211_NONQOS_TID] >> IEEE80211_SEQ_SEQ_SHIFT,
  269                 ni->ni_rxseqs[IEEE80211_NONQOS_TID] & IEEE80211_SEQ_FRAG_MASK,
  270                 ni->ni_rxfragstamp);
  271         db_printf("\trxfrag[0] %p rxfrag[1] %p rxfrag[2] %p\n",
  272                 ni->ni_rxfrag[0], ni->ni_rxfrag[1], ni->ni_rxfrag[2]);
  273         _db_show_key("\tucastkey", 0, &ni->ni_ucastkey);
  274         db_printf("\tavgrssi 0x%x (rssi %d) noise %d\n",
  275                 ni->ni_avgrssi, IEEE80211_RSSI_GET(ni->ni_avgrssi),
  276                 ni->ni_noise);
  277         db_printf("\tintval %u capinfo %b\n",
  278                 ni->ni_intval, ni->ni_capinfo, IEEE80211_CAPINFO_BITS);
  279         db_printf("\tbssid %s", ether_sprintf(ni->ni_bssid));
  280         _db_show_ssid(" essid ", 0, ni->ni_esslen, ni->ni_essid);
  281         db_printf("\n");
  282         _db_show_channel("\tchannel", ni->ni_chan);
  283         db_printf("\n");
  284         db_printf("\terp %b dtim_period %u dtim_count %u\n",
  285                 ni->ni_erp, IEEE80211_ERP_BITS,
  286                 ni->ni_dtim_period, ni->ni_dtim_count);
  287 
  288         db_printf("\thtcap %b htparam 0x%x htctlchan %u ht2ndchan %u\n",
  289                 ni->ni_htcap, IEEE80211_HTCAP_BITS,
  290                 ni->ni_htparam, ni->ni_htctlchan, ni->ni_ht2ndchan);
  291         db_printf("\thtopmode 0x%x htstbc 0x%x chw %u\n",
  292                 ni->ni_htopmode, ni->ni_htstbc, ni->ni_chw);
  293 
  294         /* XXX ampdu state */
  295         for (i = 0; i < WME_NUM_TID; i++)
  296                 if (ni->ni_tx_ampdu[i].txa_flags & IEEE80211_AGGR_SETUP)
  297                         _db_show_txampdu("\t", i, &ni->ni_tx_ampdu[i]);
  298         for (i = 0; i < WME_NUM_TID; i++)
  299                 if (ni->ni_rx_ampdu[i].rxa_flags)
  300                         _db_show_rxampdu("\t", i, &ni->ni_rx_ampdu[i]);
  301 
  302         db_printf("\tinact %u inact_reload %u txrate %u\n",
  303                 ni->ni_inact, ni->ni_inact_reload, ni->ni_txrate);
  304 #ifdef IEEE80211_SUPPORT_MESH
  305         _db_show_ssid("\tmeshid ", 0, ni->ni_meshidlen, ni->ni_meshid);
  306         db_printf(" mlstate %b mllid 0x%x mlpid 0x%x mlrcnt %u mltval %u\n",
  307             ni->ni_mlstate, IEEE80211_MESH_MLSTATE_BITS,
  308             ni->ni_mllid, ni->ni_mlpid, ni->ni_mlrcnt, ni->ni_mltval);
  309 #endif
  310 }
  311 
  312 #ifdef IEEE80211_SUPPORT_TDMA
  313 static void
  314 _db_show_tdma(const char *sep, const struct ieee80211_tdma_state *ts, int showprocs)
  315 {
  316         db_printf("%stdma %p:\n", sep, ts);
  317         db_printf("%s  version %u slot %u bintval %u peer %p\n", sep,
  318             ts->tdma_version, ts->tdma_slot, ts->tdma_bintval, ts->tdma_peer);
  319         db_printf("%s  slotlen %u slotcnt %u", sep,
  320             ts->tdma_slotlen, ts->tdma_slotcnt);
  321         db_printf(" inuse 0x%x active 0x%x count %d\n",
  322             ts->tdma_inuse[0], ts->tdma_active[0], ts->tdma_count);
  323         if (showprocs) {
  324                 DB_PRINTSYM(sep, "  tdma_newstate", ts->tdma_newstate);
  325                 DB_PRINTSYM(sep, "  tdma_recv_mgmt", ts->tdma_recv_mgmt);
  326                 DB_PRINTSYM(sep, "  tdma_opdetach", ts->tdma_opdetach);
  327         }
  328 }
  329 #endif /* IEEE80211_SUPPORT_TDMA */
  330 
  331 static void
  332 _db_show_vap(const struct ieee80211vap *vap, int showmesh, int showprocs)
  333 {
  334         const struct ieee80211com *ic = vap->iv_ic;
  335         int i;
  336 
  337         db_printf("%p:", vap);
  338         db_printf(" bss %p", vap->iv_bss);
  339         db_printf(" myaddr %s", ether_sprintf(vap->iv_myaddr));
  340         db_printf("\n");
  341 
  342         db_printf("\topmode %s", ieee80211_opmode_name[vap->iv_opmode]);
  343 #ifdef IEEE80211_SUPPORT_MESH
  344         if (vap->iv_opmode == IEEE80211_M_MBSS)
  345                 db_printf("(%p)", vap->iv_mesh);
  346 #endif
  347         db_printf(" state %s", ieee80211_state_name[vap->iv_state]);
  348         db_printf(" ifp %p(%s)", vap->iv_ifp, vap->iv_ifp->if_xname);
  349         db_printf("\n");
  350 
  351         db_printf("\tic %p", vap->iv_ic);
  352         db_printf(" media %p", &vap->iv_media);
  353         db_printf(" bpf_if %p", vap->iv_rawbpf);
  354         db_printf(" mgtsend %p", &vap->iv_mgtsend);
  355 #if 0
  356         struct sysctllog        *iv_sysctl;     /* dynamic sysctl context */
  357 #endif
  358         db_printf("\n");
  359         db_printf("\tdebug=%b\n", vap->iv_debug, IEEE80211_MSG_BITS);
  360 
  361         db_printf("\tflags=%b\n", vap->iv_flags, IEEE80211_F_BITS);
  362         db_printf("\tflags_ext=%b\n", vap->iv_flags_ext, IEEE80211_FEXT_BITS);
  363         db_printf("\tflags_ht=%b\n", vap->iv_flags_ht, IEEE80211_FHT_BITS);
  364         db_printf("\tflags_ven=%b\n", vap->iv_flags_ven, IEEE80211_FVEN_BITS);
  365         db_printf("\tcaps=%b\n", vap->iv_caps, IEEE80211_C_BITS);
  366         db_printf("\thtcaps=%b\n", vap->iv_htcaps, IEEE80211_C_HTCAP_BITS);
  367 
  368         _db_show_stats(&vap->iv_stats);
  369 
  370         db_printf("\tinact_init %d", vap->iv_inact_init);
  371         db_printf(" inact_auth %d", vap->iv_inact_auth);
  372         db_printf(" inact_run %d", vap->iv_inact_run);
  373         db_printf(" inact_probe %d", vap->iv_inact_probe);
  374         db_printf("\n");
  375 
  376         db_printf("\tdes_nssid %d", vap->iv_des_nssid);
  377         if (vap->iv_des_nssid)
  378                 _db_show_ssid(" des_ssid[%u] ", 0,
  379                     vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid);
  380         db_printf(" des_bssid %s", ether_sprintf(vap->iv_des_bssid));
  381         db_printf("\n");
  382         db_printf("\tdes_mode %d", vap->iv_des_mode);
  383         _db_show_channel(" des_chan", vap->iv_des_chan);
  384         db_printf("\n");
  385 #if 0
  386         int                     iv_nicknamelen; /* XXX junk */
  387         uint8_t                 iv_nickname[IEEE80211_NWID_LEN];
  388 #endif
  389         db_printf("\tbgscanidle %u", vap->iv_bgscanidle);
  390         db_printf(" bgscanintvl %u", vap->iv_bgscanintvl);
  391         db_printf(" scanvalid %u", vap->iv_scanvalid);
  392         db_printf("\n");
  393         db_printf("\tscanreq_duration %u", vap->iv_scanreq_duration);
  394         db_printf(" scanreq_mindwell %u", vap->iv_scanreq_mindwell);
  395         db_printf(" scanreq_maxdwell %u", vap->iv_scanreq_maxdwell);
  396         db_printf("\n");
  397         db_printf("\tscanreq_flags 0x%x", vap->iv_scanreq_flags);
  398         db_printf(" scanreq_nssid %d", vap->iv_scanreq_nssid);
  399         for (i = 0; i < vap->iv_scanreq_nssid; i++)
  400                 _db_show_ssid(" scanreq_ssid[%u]", i,
  401                     vap->iv_scanreq_ssid[i].len, vap->iv_scanreq_ssid[i].ssid);
  402         db_printf(" roaming %d", vap->iv_roaming);
  403         db_printf("\n");
  404         for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
  405                 if (isset(ic->ic_modecaps, i)) {
  406                         _db_show_roamparams("\troamparms[%s]",
  407                             ieee80211_phymode_name[i], &vap->iv_roamparms[i]);
  408                         db_printf("\n");
  409                 }
  410 
  411         db_printf("\tbmissthreshold %u", vap->iv_bmissthreshold);
  412         db_printf(" bmiss_max %u", vap->iv_bmiss_count);
  413         db_printf(" bmiss_max %d", vap->iv_bmiss_max);
  414         db_printf("\n");
  415         db_printf("\tswbmiss_count %u", vap->iv_swbmiss_count);
  416         db_printf(" swbmiss_period %u", vap->iv_swbmiss_period);
  417         db_printf(" swbmiss %p", &vap->iv_swbmiss);
  418         db_printf("\n");
  419 
  420         db_printf("\tampdu_rxmax %d", vap->iv_ampdu_rxmax);
  421         db_printf(" ampdu_density %d", vap->iv_ampdu_density);
  422         db_printf(" ampdu_limit %d", vap->iv_ampdu_limit);
  423         db_printf(" amsdu_limit %d", vap->iv_amsdu_limit);
  424         db_printf("\n");
  425 
  426         db_printf("\tmax_aid %u", vap->iv_max_aid);
  427         db_printf(" aid_bitmap %p", vap->iv_aid_bitmap);
  428         db_printf("\n");
  429         db_printf("\tsta_assoc %u", vap->iv_sta_assoc);
  430         db_printf(" ps_sta %u", vap->iv_ps_sta);
  431         db_printf(" ps_pending %u", vap->iv_ps_pending);
  432         db_printf(" tim_len %u", vap->iv_tim_len);
  433         db_printf(" tim_bitmap %p", vap->iv_tim_bitmap);
  434         db_printf("\n");
  435         db_printf("\tdtim_period %u", vap->iv_dtim_period);
  436         db_printf(" dtim_count %u", vap->iv_dtim_count);
  437         db_printf(" set_tim %p", vap->iv_set_tim);
  438         db_printf(" csa_count %d", vap->iv_csa_count);
  439         db_printf("\n");
  440 
  441         db_printf("\trtsthreshold %u", vap->iv_rtsthreshold);
  442         db_printf(" fragthreshold %u", vap->iv_fragthreshold);
  443         db_printf(" inact_timer %d", vap->iv_inact_timer);
  444         db_printf("\n");
  445         for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
  446                 if (isset(ic->ic_modecaps, i)) {
  447                         _db_show_txparams("\ttxparms[%s]",
  448                             ieee80211_phymode_name[i], &vap->iv_txparms[i]);
  449                         db_printf("\n");
  450                 }
  451 
  452         /* application-specified IE's to attach to mgt frames */
  453         _db_show_appie("\tappie_beacon", vap->iv_appie_beacon);
  454         _db_show_appie("\tappie_probereq", vap->iv_appie_probereq);
  455         _db_show_appie("\tappie_proberesp", vap->iv_appie_proberesp);
  456         _db_show_appie("\tappie_assocreq", vap->iv_appie_assocreq);
  457         _db_show_appie("\tappie_asscoresp", vap->iv_appie_assocresp);
  458         _db_show_appie("\tappie_wpa", vap->iv_appie_wpa);
  459         if (vap->iv_wpa_ie != NULL || vap->iv_rsn_ie != NULL) {
  460                 if (vap->iv_wpa_ie != NULL)
  461                         db_printf("\twpa_ie %p", vap->iv_wpa_ie);
  462                 if (vap->iv_rsn_ie != NULL)
  463                         db_printf("\trsn_ie %p", vap->iv_rsn_ie);
  464                 db_printf("\n");
  465         }
  466         db_printf("\tmax_keyix %u", vap->iv_max_keyix);
  467         db_printf(" def_txkey %d", vap->iv_def_txkey);
  468         db_printf("\n");
  469         for (i = 0; i < IEEE80211_WEP_NKID; i++)
  470                 _db_show_key("\tnw_keys[%u]", i, &vap->iv_nw_keys[i]);
  471 
  472         db_printf("\tauth %p(%s)", vap->iv_auth, vap->iv_auth->ia_name);
  473         db_printf(" ec %p", vap->iv_ec);
  474 
  475         db_printf(" acl %p", vap->iv_acl);
  476         db_printf(" as %p", vap->iv_as);
  477         db_printf("\n");
  478 #ifdef IEEE80211_SUPPORT_MESH
  479         if (showmesh && vap->iv_mesh != NULL)
  480                 _db_show_mesh(vap->iv_mesh);
  481 #endif
  482 #ifdef IEEE80211_SUPPORT_TDMA
  483         if (vap->iv_tdma != NULL)
  484                 _db_show_tdma("\t", vap->iv_tdma, showprocs);
  485 #endif /* IEEE80211_SUPPORT_TDMA */
  486 
  487         db_printf("\tsta_assoc %u", vap->iv_sta_assoc);
  488         db_printf(" ht_sta_assoc %u", vap->iv_ht_sta_assoc);
  489         db_printf(" ht40_sta_assoc %u", vap->iv_ht40_sta_assoc);
  490         db_printf("\n");
  491         db_printf(" nonerpsta %u", vap->iv_nonerpsta);
  492         db_printf(" longslotsta %u", vap->iv_longslotsta);
  493         db_printf(" lastnonerp %d", vap->iv_lastnonerp);
  494         db_printf(" lastnonht %d", vap->iv_lastnonht);
  495         db_printf("\n");
  496 
  497         if (showprocs) {
  498                 DB_PRINTSYM("\t", "iv_key_alloc", vap->iv_key_alloc);
  499                 DB_PRINTSYM("\t", "iv_key_delete", vap->iv_key_delete);
  500                 DB_PRINTSYM("\t", "iv_key_set", vap->iv_key_set);
  501                 DB_PRINTSYM("\t", "iv_key_update_begin", vap->iv_key_update_begin);
  502                 DB_PRINTSYM("\t", "iv_key_update_end", vap->iv_key_update_end);
  503                 DB_PRINTSYM("\t", "iv_opdetach", vap->iv_opdetach);
  504                 DB_PRINTSYM("\t", "iv_input", vap->iv_input);
  505                 DB_PRINTSYM("\t", "iv_recv_mgmt", vap->iv_recv_mgmt);
  506                 DB_PRINTSYM("\t", "iv_deliver_data", vap->iv_deliver_data);
  507                 DB_PRINTSYM("\t", "iv_bmiss", vap->iv_bmiss);
  508                 DB_PRINTSYM("\t", "iv_reset", vap->iv_reset);
  509                 DB_PRINTSYM("\t", "iv_update_beacon", vap->iv_update_beacon);
  510                 DB_PRINTSYM("\t", "iv_newstate", vap->iv_newstate);
  511                 DB_PRINTSYM("\t", "iv_output", vap->iv_output);
  512         }
  513 }
  514 
  515 static void
  516 _db_show_com(const struct ieee80211com *ic, int showvaps, int showsta,
  517     int showmesh, int showprocs)
  518 {
  519         struct ieee80211vap *vap;
  520 
  521         db_printf("%p:", ic);
  522         TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
  523                 db_printf(" %s(%p)", vap->iv_ifp->if_xname, vap);
  524         db_printf("\n");
  525         db_printf("\tsoftc %p", ic->ic_softc);
  526         db_printf("\tname %s", ic->ic_name);
  527         db_printf(" comlock %p", &ic->ic_comlock);
  528         db_printf(" txlock %p", &ic->ic_txlock);
  529         db_printf(" fflock %p", &ic->ic_fflock);
  530         db_printf("\n");
  531         db_printf("\theadroom %d", ic->ic_headroom);
  532         db_printf(" phytype %d", ic->ic_phytype);
  533         db_printf(" opmode %s", ieee80211_opmode_name[ic->ic_opmode]);
  534         db_printf("\n");
  535         db_printf(" inact %p", &ic->ic_inact);
  536         db_printf("\n");
  537 
  538         db_printf("\tflags=%b\n", ic->ic_flags, IEEE80211_F_BITS);
  539         db_printf("\tflags_ext=%b\n", ic->ic_flags_ext, IEEE80211_FEXT_BITS);
  540         db_printf("\tflags_ht=%b\n", ic->ic_flags_ht, IEEE80211_FHT_BITS);
  541         db_printf("\tflags_ven=%b\n", ic->ic_flags_ven, IEEE80211_FVEN_BITS);
  542         db_printf("\tcaps=%b\n", ic->ic_caps, IEEE80211_C_BITS);
  543         db_printf("\tcryptocaps=%b\n",
  544             ic->ic_cryptocaps, IEEE80211_CRYPTO_BITS);
  545         db_printf("\thtcaps=%b\n", ic->ic_htcaps, IEEE80211_HTCAP_BITS);
  546 
  547 #if 0
  548         uint8_t                 ic_modecaps[2]; /* set of mode capabilities */
  549 #endif
  550         db_printf("\tcurmode %u", ic->ic_curmode);
  551         db_printf(" promisc %u", ic->ic_promisc);
  552         db_printf(" allmulti %u", ic->ic_allmulti);
  553         db_printf(" nrunning %u", ic->ic_nrunning);
  554         db_printf("\n");
  555         db_printf("\tbintval %u", ic->ic_bintval);
  556         db_printf(" lintval %u", ic->ic_lintval);
  557         db_printf(" holdover %u", ic->ic_holdover);
  558         db_printf(" txpowlimit %u", ic->ic_txpowlimit);
  559         db_printf("\n");
  560 #if 0
  561         struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
  562 #endif
  563         /*
  564          * Channel state:
  565          *
  566          * ic_channels is the set of available channels for the device;
  567          *    it is setup by the driver
  568          * ic_nchans is the number of valid entries in ic_channels
  569          * ic_chan_avail is a bit vector of these channels used to check
  570          *    whether a channel is available w/o searching the channel table.
  571          * ic_chan_active is a (potentially) constrained subset of
  572          *    ic_chan_avail that reflects any mode setting or user-specified
  573          *    limit on the set of channels to use/scan
  574          * ic_curchan is the current channel the device is set to; it may
  575          *    be different from ic_bsschan when we are off-channel scanning
  576          *    or otherwise doing background work
  577          * ic_bsschan is the channel selected for operation; it may
  578          *    be undefined (IEEE80211_CHAN_ANYC)
  579          * ic_prevchan is a cached ``previous channel'' used to optimize
  580          *    lookups when switching back+forth between two channels
  581          *    (e.g. for dynamic turbo)
  582          */
  583         db_printf("\tnchans %d", ic->ic_nchans);
  584 #if 0
  585         struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
  586         uint8_t                 ic_chan_avail[IEEE80211_CHAN_BYTES];
  587         uint8_t                 ic_chan_active[IEEE80211_CHAN_BYTES];
  588         uint8_t                 ic_chan_scan[IEEE80211_CHAN_BYTES];
  589 #endif
  590         db_printf("\n");
  591         _db_show_channel("\tcurchan", ic->ic_curchan);
  592         db_printf("\n");
  593         _db_show_channel("\tbsschan", ic->ic_bsschan);
  594         db_printf("\n");
  595         _db_show_channel("\tprevchan", ic->ic_prevchan);
  596         db_printf("\n");
  597         db_printf("\tregdomain %p", &ic->ic_regdomain);
  598         db_printf("\n");
  599 
  600         _db_show_channel("\tcsa_newchan", ic->ic_csa_newchan);
  601         db_printf(" csa_count %d", ic->ic_csa_count);
  602         db_printf( "dfs %p", &ic->ic_dfs);
  603         db_printf("\n");
  604 
  605         db_printf("\tscan %p", ic->ic_scan);
  606         db_printf(" lastdata %d", ic->ic_lastdata);
  607         db_printf(" lastscan %d", ic->ic_lastscan);
  608         db_printf("\n");
  609 
  610         db_printf("\tmax_keyix %d", ic->ic_max_keyix);
  611         db_printf(" hash_key 0x%x", ic->ic_hash_key);
  612         db_printf(" wme %p", &ic->ic_wme);
  613         if (!showsta)
  614                 db_printf(" sta %p", &ic->ic_sta);
  615         db_printf("\n");
  616         db_printf("\tstageq@%p:\n", &ic->ic_stageq);
  617         _db_show_ageq("\t", &ic->ic_stageq);
  618         if (showsta)
  619                 _db_show_node_table("\t", &ic->ic_sta);
  620 
  621         db_printf("\tprotmode %d", ic->ic_protmode);
  622         db_printf("\tcurhtprotmode 0x%x", ic->ic_curhtprotmode);
  623         db_printf(" htprotmode %d", ic->ic_htprotmode);
  624         db_printf("\n");
  625 
  626         db_printf("\tsuperg %p\n", ic->ic_superg);
  627 
  628         db_printf("\tmontaps %d th %p txchan %p rh %p rxchan %p\n",
  629             ic->ic_montaps, ic->ic_th, ic->ic_txchan, ic->ic_rh, ic->ic_rxchan);
  630 
  631         if (showprocs) {
  632                 DB_PRINTSYM("\t", "ic_vap_create", ic->ic_vap_create);
  633                 DB_PRINTSYM("\t", "ic_vap_delete", ic->ic_vap_delete);
  634 #if 0
  635                 /* operating mode attachment */
  636                 ieee80211vap_attach     ic_vattach[IEEE80211_OPMODE_MAX];
  637 #endif
  638                 DB_PRINTSYM("\t", "ic_newassoc", ic->ic_newassoc);
  639                 DB_PRINTSYM("\t", "ic_getradiocaps", ic->ic_getradiocaps);
  640                 DB_PRINTSYM("\t", "ic_setregdomain", ic->ic_setregdomain);
  641                 DB_PRINTSYM("\t", "ic_send_mgmt", ic->ic_send_mgmt);
  642                 DB_PRINTSYM("\t", "ic_raw_xmit", ic->ic_raw_xmit);
  643                 DB_PRINTSYM("\t", "ic_updateslot", ic->ic_updateslot);
  644                 DB_PRINTSYM("\t", "ic_update_mcast", ic->ic_update_mcast);
  645                 DB_PRINTSYM("\t", "ic_update_promisc", ic->ic_update_promisc);
  646                 DB_PRINTSYM("\t", "ic_node_alloc", ic->ic_node_alloc);
  647                 DB_PRINTSYM("\t", "ic_node_free", ic->ic_node_free);
  648                 DB_PRINTSYM("\t", "ic_node_cleanup", ic->ic_node_cleanup);
  649                 DB_PRINTSYM("\t", "ic_node_getrssi", ic->ic_node_getrssi);
  650                 DB_PRINTSYM("\t", "ic_node_getsignal", ic->ic_node_getsignal);
  651                 DB_PRINTSYM("\t", "ic_node_getmimoinfo", ic->ic_node_getmimoinfo);
  652                 DB_PRINTSYM("\t", "ic_scan_start", ic->ic_scan_start);
  653                 DB_PRINTSYM("\t", "ic_scan_end", ic->ic_scan_end);
  654                 DB_PRINTSYM("\t", "ic_set_channel", ic->ic_set_channel);
  655                 DB_PRINTSYM("\t", "ic_scan_curchan", ic->ic_scan_curchan);
  656                 DB_PRINTSYM("\t", "ic_scan_mindwell", ic->ic_scan_mindwell);
  657                 DB_PRINTSYM("\t", "ic_recv_action", ic->ic_recv_action);
  658                 DB_PRINTSYM("\t", "ic_send_action", ic->ic_send_action);
  659                 DB_PRINTSYM("\t", "ic_addba_request", ic->ic_addba_request);
  660                 DB_PRINTSYM("\t", "ic_addba_response", ic->ic_addba_response);
  661                 DB_PRINTSYM("\t", "ic_addba_stop", ic->ic_addba_stop);
  662         }
  663         if (showvaps && !TAILQ_EMPTY(&ic->ic_vaps)) {
  664                 db_printf("\n");
  665                 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
  666                         _db_show_vap(vap, showmesh, showprocs);
  667         }
  668         if (showsta && !TAILQ_EMPTY(&ic->ic_sta.nt_node)) {
  669                 const struct ieee80211_node_table *nt = &ic->ic_sta;
  670                 const struct ieee80211_node *ni;
  671 
  672                 TAILQ_FOREACH(ni, &nt->nt_node, ni_list) {
  673                         db_printf("\n");
  674                         _db_show_sta(ni);
  675                 }
  676         }
  677 }
  678 
  679 static void
  680 _db_show_all_vaps(void *arg, struct ieee80211com *ic)
  681 {
  682         int showall = *(int *)arg;
  683 
  684         if (!showall) {
  685                 const struct ieee80211vap *vap;
  686                 db_printf("%s: com %p vaps:", ic->ic_name, ic);
  687                 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
  688                         db_printf(" %s(%p)", vap->iv_ifp->if_xname, vap);
  689                 db_printf("\n");
  690         } else
  691                 _db_show_com(ic, 1, 1, 1, 1);
  692 }
  693 
  694 static void
  695 _db_show_node_table(const char *tag, const struct ieee80211_node_table *nt)
  696 {
  697         int i;
  698 
  699         db_printf("%s%s@%p:\n", tag, nt->nt_name, nt);
  700         db_printf("%s nodelock %p", tag, &nt->nt_nodelock);
  701         db_printf(" inact_init %d", nt->nt_inact_init);
  702         db_printf("%s keyixmax %d keyixmap %p\n",
  703             tag, nt->nt_keyixmax, nt->nt_keyixmap);
  704         for (i = 0; i < nt->nt_keyixmax; i++) {
  705                 const struct ieee80211_node *ni = nt->nt_keyixmap[i];
  706                 if (ni != NULL)
  707                         db_printf("%s [%3u] %p %s\n", tag, i, ni,
  708                             ether_sprintf(ni->ni_macaddr));
  709         }
  710 }
  711 
  712 static void
  713 _db_show_channel(const char *tag, const struct ieee80211_channel *c)
  714 {
  715         db_printf("%s ", tag);
  716         if (c == NULL)
  717                 db_printf("<NULL>");
  718         else if (c == IEEE80211_CHAN_ANYC)
  719                 db_printf("<ANY>");
  720         else
  721                 db_printf("[%u (%u) flags=%b maxreg %d maxpow %d minpow %d state 0x%x extieee %u]",
  722                     c->ic_freq, c->ic_ieee,
  723                     c->ic_flags, IEEE80211_CHAN_BITS,
  724                     c->ic_maxregpower, c->ic_maxpower, c->ic_minpower,
  725                     c->ic_state, c->ic_extieee);
  726 }
  727 
  728 static void
  729 _db_show_ssid(const char *tag, int ix, int len, const uint8_t *ssid)
  730 {
  731         const uint8_t *p;
  732         int i;
  733 
  734         db_printf(tag, ix);
  735 
  736         if (len > IEEE80211_NWID_LEN)
  737                 len = IEEE80211_NWID_LEN;
  738         /* determine printable or not */
  739         for (i = 0, p = ssid; i < len; i++, p++) {
  740                 if (*p < ' ' || *p > 0x7e)
  741                         break;
  742         }
  743         if (i == len) {
  744                 db_printf("\"");
  745                 for (i = 0, p = ssid; i < len; i++, p++)
  746                         db_printf("%c", *p);
  747                 db_printf("\"");
  748         } else {
  749                 db_printf("0x");
  750                 for (i = 0, p = ssid; i < len; i++, p++)
  751                         db_printf("%02x", *p);
  752         }
  753 }
  754 
  755 static void
  756 _db_show_appie(const char *tag, const struct ieee80211_appie *ie)
  757 {
  758         const uint8_t *p;
  759         int i;
  760 
  761         if (ie == NULL)
  762                 return;
  763         db_printf("%s [0x", tag);
  764         for (i = 0, p = ie->ie_data; i < ie->ie_len; i++, p++)
  765                 db_printf("%02x", *p);
  766         db_printf("]\n");
  767 }
  768 
  769 static void
  770 _db_show_key(const char *tag, int ix, const struct ieee80211_key *wk)
  771 {
  772         static const uint8_t zerodata[IEEE80211_KEYBUF_SIZE];
  773         const struct ieee80211_cipher *cip = wk->wk_cipher;
  774         int keylen = wk->wk_keylen;
  775 
  776         db_printf(tag, ix);
  777         switch (cip->ic_cipher) {
  778         case IEEE80211_CIPHER_WEP:
  779                 /* compatibility */
  780                 db_printf(" wepkey %u:%s", wk->wk_keyix,
  781                     keylen <= 5 ? "40-bit" :
  782                     keylen <= 13 ? "104-bit" : "128-bit");
  783                 break;
  784         case IEEE80211_CIPHER_TKIP:
  785                 if (keylen > 128/8)
  786                         keylen -= 128/8;        /* ignore MIC for now */
  787                 db_printf(" TKIP %u:%u-bit", wk->wk_keyix, 8*keylen);
  788                 break;
  789         case IEEE80211_CIPHER_AES_OCB:
  790                 db_printf(" AES-OCB %u:%u-bit", wk->wk_keyix, 8*keylen);
  791                 break;
  792         case IEEE80211_CIPHER_AES_CCM:
  793                 db_printf(" AES-CCM %u:%u-bit", wk->wk_keyix, 8*keylen);
  794                 break;
  795         case IEEE80211_CIPHER_CKIP:
  796                 db_printf(" CKIP %u:%u-bit", wk->wk_keyix, 8*keylen);
  797                 break;
  798         case IEEE80211_CIPHER_NONE:
  799                 db_printf(" NULL %u:%u-bit", wk->wk_keyix, 8*keylen);
  800                 break;
  801         default:
  802                 db_printf(" UNKNOWN (0x%x) %u:%u-bit",
  803                         cip->ic_cipher, wk->wk_keyix, 8*keylen);
  804                 break;
  805         }
  806         if (wk->wk_rxkeyix != wk->wk_keyix)
  807                 db_printf(" rxkeyix %u", wk->wk_rxkeyix);
  808         if (memcmp(wk->wk_key, zerodata, keylen) != 0) {
  809                 int i;
  810 
  811                 db_printf(" <");
  812                 for (i = 0; i < keylen; i++)
  813                         db_printf("%02x", wk->wk_key[i]);
  814                 db_printf(">");
  815                 if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
  816                     wk->wk_keyrsc[IEEE80211_NONQOS_TID] != 0)
  817                         db_printf(" rsc %ju", (uintmax_t)wk->wk_keyrsc[IEEE80211_NONQOS_TID]);
  818                 if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
  819                     wk->wk_keytsc != 0)
  820                         db_printf(" tsc %ju", (uintmax_t)wk->wk_keytsc);
  821                 db_printf(" flags=%b", wk->wk_flags, IEEE80211_KEY_BITS);
  822         }
  823         db_printf("\n");
  824 }
  825 
  826 static void
  827 printrate(const char *tag, int v)
  828 {
  829         if (v == IEEE80211_FIXED_RATE_NONE)
  830                 db_printf(" %s <none>", tag);
  831         else if (v == 11)
  832                 db_printf(" %s 5.5", tag);
  833         else if (v & IEEE80211_RATE_MCS)
  834                 db_printf(" %s MCS%d", tag, v &~ IEEE80211_RATE_MCS);
  835         else
  836                 db_printf(" %s %d", tag, v/2);
  837 }
  838 
  839 static void
  840 _db_show_roamparams(const char *tag, const void *arg,
  841     const struct ieee80211_roamparam *rp)
  842 {
  843 
  844         db_printf(tag, arg);
  845         if (rp->rssi & 1)
  846                 db_printf(" rssi %u.5", rp->rssi/2);
  847         else
  848                 db_printf(" rssi %u", rp->rssi/2);
  849         printrate("rate", rp->rate);
  850 }
  851 
  852 static void
  853 _db_show_txparams(const char *tag, const void *arg,
  854     const struct ieee80211_txparam *tp)
  855 {
  856 
  857         db_printf(tag, arg);
  858         printrate("ucastrate", tp->ucastrate);
  859         printrate("mcastrate", tp->mcastrate);
  860         printrate("mgmtrate", tp->mgmtrate);
  861         db_printf(" maxretry %d", tp->maxretry);
  862 }
  863 
  864 static void
  865 _db_show_ageq(const char *tag, const struct ieee80211_ageq *q)
  866 {
  867         const struct mbuf *m;
  868 
  869         db_printf("%s lock %p len %d maxlen %d drops %d head %p tail %p\n",
  870             tag, &q->aq_lock, q->aq_len, q->aq_maxlen, q->aq_drops,
  871             q->aq_head, q->aq_tail);
  872         for (m = q->aq_head; m != NULL; m = m->m_nextpkt)
  873                 db_printf("%s %p (len %d, %b)\n", tag, m, m->m_len,
  874                     /* XXX could be either TX or RX but is mostly TX */
  875                     m->m_flags, IEEE80211_MBUF_TX_FLAG_BITS);
  876 }
  877 
  878 static void
  879 _db_show_stats(const struct ieee80211_stats *is)
  880 {
  881 }
  882 
  883 #ifdef IEEE80211_SUPPORT_MESH
  884 static void
  885 _db_show_mesh(const struct ieee80211_mesh_state *ms)
  886 {
  887         struct ieee80211_mesh_route *rt;
  888         int i;
  889 
  890         _db_show_ssid(" meshid ", 0, ms->ms_idlen, ms->ms_id);
  891         db_printf("nextseq %u ttl %u flags 0x%x\n", ms->ms_seq,
  892             ms->ms_ttl, ms->ms_flags);
  893         db_printf("routing table:\n");
  894         i = 0;
  895         TAILQ_FOREACH(rt, &ms->ms_routes, rt_next) {
  896                 db_printf("entry %d:\tdest: %6D nexthop: %6D metric: %u", i,
  897                     rt->rt_dest, ":", rt->rt_nexthop, ":", rt->rt_metric);
  898 
  899                 db_printf("\tlifetime: %u lastseq: %u priv: %p\n",
  900                     ieee80211_mesh_rt_update(rt, 0),
  901                     rt->rt_lastmseq, rt->rt_priv);
  902                 i++;
  903         }
  904 }
  905 #endif /* IEEE80211_SUPPORT_MESH */
  906 #endif /* DDB */

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