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: releng/11.0/sys/net80211/ieee80211_ddb.c 302283 2016-06-29 17:25:46Z avos $");
   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/malloc.h>
   40 #include <sys/socket.h>
   41 
   42 #include <net/if.h>
   43 #include <net/if_var.h>
   44 #include <net/if_dl.h>
   45 #include <net/if_media.h>
   46 #include <net/if_types.h>
   47 #include <net/ethernet.h>
   48 #include <net/vnet.h>
   49 
   50 #include <net80211/ieee80211_var.h>
   51 #ifdef IEEE80211_SUPPORT_TDMA
   52 #include <net80211/ieee80211_tdma.h>
   53 #endif
   54 #ifdef IEEE80211_SUPPORT_MESH
   55 #include <net80211/ieee80211_mesh.h>
   56 #endif
   57 
   58 #include <ddb/ddb.h>
   59 #include <ddb/db_sym.h>
   60 
   61 #define DB_PRINTSYM(prefix, name, addr) do { \
   62         db_printf("%s%-25s : ",  prefix, name); \
   63         db_printsym((db_addr_t) addr, DB_STGY_ANY); \
   64         db_printf("\n"); \
   65 } while (0)
   66 
   67 static void _db_show_sta(const struct ieee80211_node *);
   68 static void _db_show_vap(const struct ieee80211vap *, int, int);
   69 static void _db_show_com(const struct ieee80211com *,
   70         int showvaps, int showsta, int showmesh, int showprocs);
   71 
   72 static void _db_show_all_vaps(void *, struct ieee80211com *);
   73 
   74 static void _db_show_node_table(const char *tag,
   75         const struct ieee80211_node_table *);
   76 static void _db_show_channel(const char *tag, const struct ieee80211_channel *);
   77 static void _db_show_ssid(const char *tag, int ix, int len, const uint8_t *);
   78 static void _db_show_appie(const char *tag, const struct ieee80211_appie *);
   79 static void _db_show_key(const char *tag, int ix, const struct ieee80211_key *);
   80 static void _db_show_roamparams(const char *tag, const void *arg,
   81         const struct ieee80211_roamparam *rp);
   82 static void _db_show_txparams(const char *tag, const void *arg,
   83         const struct ieee80211_txparam *tp);
   84 static void _db_show_ageq(const char *tag, const struct ieee80211_ageq *q);
   85 static void _db_show_stats(const struct ieee80211_stats *);
   86 #ifdef IEEE80211_SUPPORT_MESH
   87 static void _db_show_mesh(const struct ieee80211_mesh_state *);
   88 #endif
   89 
   90 DB_SHOW_COMMAND(sta, db_show_sta)
   91 {
   92         if (!have_addr) {
   93                 db_printf("usage: show sta <addr>\n");
   94                 return;
   95         }
   96         _db_show_sta((const struct ieee80211_node *) addr);
   97 }
   98 
   99 DB_SHOW_COMMAND(statab, db_show_statab)
  100 {
  101         if (!have_addr) {
  102                 db_printf("usage: show statab <addr>\n");
  103                 return;
  104         }
  105         _db_show_node_table("", (const struct ieee80211_node_table *) addr);
  106 }
  107 
  108 DB_SHOW_COMMAND(vap, db_show_vap)
  109 {
  110         int i, showmesh = 0, showprocs = 0;
  111 
  112         if (!have_addr) {
  113                 db_printf("usage: show vap <addr>\n");
  114                 return;
  115         }
  116         for (i = 0; modif[i] != '\0'; i++)
  117                 switch (modif[i]) {
  118                 case 'a':
  119                         showprocs = 1;
  120                         showmesh = 1;
  121                         break;
  122                 case 'm':
  123                         showmesh = 1;
  124                         break;
  125                 case 'p':
  126                         showprocs = 1;
  127                         break;
  128                 }
  129         _db_show_vap((const struct ieee80211vap *) addr, showmesh, showprocs);
  130 }
  131 
  132 DB_SHOW_COMMAND(com, db_show_com)
  133 {
  134         const struct ieee80211com *ic;
  135         int i, showprocs = 0, showvaps = 0, showsta = 0, showmesh = 0;
  136 
  137         if (!have_addr) {
  138                 db_printf("usage: show com <addr>\n");
  139                 return;
  140         }
  141         for (i = 0; modif[i] != '\0'; i++)
  142                 switch (modif[i]) {
  143                 case 'a':
  144                         showsta = showmesh = showvaps = showprocs = 1;
  145                         break;
  146                 case 's':
  147                         showsta = 1;
  148                         break;
  149                 case 'm':
  150                         showmesh = 1;
  151                         break;
  152                 case 'v':
  153                         showvaps = 1;
  154                         break;
  155                 case 'p':
  156                         showprocs = 1;
  157                         break;
  158                 }
  159 
  160         ic = (const struct ieee80211com *) addr;
  161         _db_show_com(ic, showvaps, showsta, showmesh, showprocs);
  162 }
  163 
  164 DB_SHOW_ALL_COMMAND(vaps, db_show_all_vaps)
  165 {
  166         int i, showall = 0;
  167 
  168         for (i = 0; modif[i] != '\0'; i++)
  169                 switch (modif[i]) {
  170                 case 'a':
  171                         showall = 1;
  172                         break;
  173                 }
  174 
  175         ieee80211_iterate_coms(_db_show_all_vaps, &showall);
  176 }
  177 
  178 #ifdef IEEE80211_SUPPORT_MESH
  179 DB_SHOW_ALL_COMMAND(mesh, db_show_mesh)
  180 {
  181         const struct ieee80211_mesh_state *ms;
  182 
  183         if (!have_addr) {
  184                 db_printf("usage: show mesh <addr>\n");
  185                 return;
  186         }
  187         ms = (const struct ieee80211_mesh_state *) addr;
  188         _db_show_mesh(ms);
  189 }
  190 #endif /* IEEE80211_SUPPORT_MESH */
  191 
  192 static void
  193 _db_show_txampdu(const char *sep, int ix, const struct ieee80211_tx_ampdu *tap)
  194 {
  195         db_printf("%stxampdu[%d]: %p flags %b %s\n",
  196                 sep, ix, tap, tap->txa_flags, IEEE80211_AGGR_BITS,
  197                 ieee80211_wme_acnames[TID_TO_WME_AC(tap->txa_tid)]);
  198         db_printf("%s  token %u lastsample %d pkts %d avgpps %d qbytes %d qframes %d\n",
  199                 sep, tap->txa_token, tap->txa_lastsample, tap->txa_pkts,
  200                 tap->txa_avgpps, tap->txa_qbytes, tap->txa_qframes);
  201         db_printf("%s  start %u seqpending %u wnd %u attempts %d nextrequest %d\n",
  202                 sep, tap->txa_start, tap->txa_seqpending, tap->txa_wnd,
  203                 tap->txa_attempts, tap->txa_nextrequest);
  204         /* XXX timer */
  205 }
  206 
  207 static void
  208 _db_show_rxampdu(const char *sep, int ix, const struct ieee80211_rx_ampdu *rap)
  209 {
  210         int i;
  211 
  212         db_printf("%srxampdu[%d]: %p flags 0x%x tid %u\n",
  213                 sep, ix, rap, rap->rxa_flags, ix /*XXX */);
  214         db_printf("%s  qbytes %d qframes %d seqstart %u start %u wnd %u\n",
  215                 sep, rap->rxa_qbytes, rap->rxa_qframes,
  216                 rap->rxa_seqstart, rap->rxa_start, rap->rxa_wnd);
  217         db_printf("%s  age %d nframes %d\n", sep,
  218                 rap->rxa_age, rap->rxa_nframes);
  219         for (i = 0; i < IEEE80211_AGGR_BAWMAX; i++)
  220                 if (rap->rxa_m[i] != NULL)
  221                         db_printf("%s  m[%2u:%4u] %p\n", sep, i,
  222                             IEEE80211_SEQ_ADD(rap->rxa_start, i),
  223                             rap->rxa_m[i]);
  224 }
  225 
  226 static void
  227 _db_show_sta(const struct ieee80211_node *ni)
  228 {
  229         int i;
  230 
  231         db_printf("0x%p: mac %s refcnt %d\n", ni,
  232                 ether_sprintf(ni->ni_macaddr), ieee80211_node_refcnt(ni));
  233         db_printf("\tvap %p wdsvap %p ic %p table %p\n",
  234                 ni->ni_vap, ni->ni_wdsvap, ni->ni_ic, ni->ni_table);
  235         db_printf("\tflags=%b\n", ni->ni_flags, IEEE80211_NODE_BITS);
  236         db_printf("\tauthmode %u ath_flags 0x%x ath_defkeyix %u\n",
  237                 ni->ni_authmode, ni->ni_ath_flags, ni->ni_ath_defkeyix);
  238         db_printf("\tassocid 0x%x txpower %u vlan %u\n",
  239                 ni->ni_associd, ni->ni_txpower, ni->ni_vlan);
  240         db_printf("\tjointime %d (%lu secs) challenge %p\n",
  241                 ni->ni_jointime, (unsigned long)(time_uptime - ni->ni_jointime),
  242                 ni->ni_challenge);
  243         db_printf("\ties: data %p len %d\n", ni->ni_ies.data, ni->ni_ies.len);
  244         db_printf("\t[wpa_ie %p rsn_ie %p wme_ie %p ath_ie %p\n",
  245                 ni->ni_ies.wpa_ie, ni->ni_ies.rsn_ie, ni->ni_ies.wme_ie,
  246                 ni->ni_ies.ath_ie);
  247         db_printf("\t htcap_ie %p htinfo_ie %p]\n",
  248                 ni->ni_ies.htcap_ie, ni->ni_ies.htinfo_ie);
  249         if (ni->ni_flags & IEEE80211_NODE_QOS) {
  250                 for (i = 0; i < WME_NUM_TID; i++) {
  251                         if (ni->ni_txseqs[i] || ni->ni_rxseqs[i])
  252                                 db_printf("\t[%u] txseq %u rxseq %u fragno %u\n",
  253                                     i, ni->ni_txseqs[i],
  254                                     ni->ni_rxseqs[i] >> IEEE80211_SEQ_SEQ_SHIFT,
  255                                     ni->ni_rxseqs[i] & IEEE80211_SEQ_FRAG_MASK);
  256                 }
  257         }
  258         db_printf("\ttxseq %u rxseq %u fragno %u rxfragstamp %u\n",
  259                 ni->ni_txseqs[IEEE80211_NONQOS_TID],
  260                 ni->ni_rxseqs[IEEE80211_NONQOS_TID] >> IEEE80211_SEQ_SEQ_SHIFT,
  261                 ni->ni_rxseqs[IEEE80211_NONQOS_TID] & IEEE80211_SEQ_FRAG_MASK,
  262                 ni->ni_rxfragstamp);
  263         db_printf("\trxfrag[0] %p rxfrag[1] %p rxfrag[2] %p\n",
  264                 ni->ni_rxfrag[0], ni->ni_rxfrag[1], ni->ni_rxfrag[2]);
  265         _db_show_key("\tucastkey", 0, &ni->ni_ucastkey);
  266         db_printf("\tavgrssi 0x%x (rssi %d) noise %d\n",
  267                 ni->ni_avgrssi, IEEE80211_RSSI_GET(ni->ni_avgrssi),
  268                 ni->ni_noise);
  269         db_printf("\tintval %u capinfo %b\n",
  270                 ni->ni_intval, ni->ni_capinfo, IEEE80211_CAPINFO_BITS);
  271         db_printf("\tbssid %s", ether_sprintf(ni->ni_bssid));
  272         _db_show_ssid(" essid ", 0, ni->ni_esslen, ni->ni_essid);
  273         db_printf("\n");
  274         _db_show_channel("\tchannel", ni->ni_chan);
  275         db_printf("\n");
  276         db_printf("\terp %b dtim_period %u dtim_count %u\n",
  277                 ni->ni_erp, IEEE80211_ERP_BITS,
  278                 ni->ni_dtim_period, ni->ni_dtim_count);
  279 
  280         db_printf("\thtcap %b htparam 0x%x htctlchan %u ht2ndchan %u\n",
  281                 ni->ni_htcap, IEEE80211_HTCAP_BITS,
  282                 ni->ni_htparam, ni->ni_htctlchan, ni->ni_ht2ndchan);
  283         db_printf("\thtopmode 0x%x htstbc 0x%x chw %u\n",
  284                 ni->ni_htopmode, ni->ni_htstbc, ni->ni_chw);
  285 
  286         /* XXX ampdu state */
  287         for (i = 0; i < WME_NUM_TID; i++)
  288                 if (ni->ni_tx_ampdu[i].txa_flags & IEEE80211_AGGR_SETUP)
  289                         _db_show_txampdu("\t", i, &ni->ni_tx_ampdu[i]);
  290         for (i = 0; i < WME_NUM_TID; i++)
  291                 if (ni->ni_rx_ampdu[i].rxa_flags)
  292                         _db_show_rxampdu("\t", i, &ni->ni_rx_ampdu[i]);
  293 
  294         db_printf("\tinact %u inact_reload %u txrate %u\n",
  295                 ni->ni_inact, ni->ni_inact_reload, ni->ni_txrate);
  296 #ifdef IEEE80211_SUPPORT_MESH
  297         _db_show_ssid("\tmeshid ", 0, ni->ni_meshidlen, ni->ni_meshid);
  298         db_printf(" mlstate %b mllid 0x%x mlpid 0x%x mlrcnt %u mltval %u\n",
  299             ni->ni_mlstate, IEEE80211_MESH_MLSTATE_BITS,
  300             ni->ni_mllid, ni->ni_mlpid, ni->ni_mlrcnt, ni->ni_mltval);
  301 #endif
  302 }
  303 
  304 #ifdef IEEE80211_SUPPORT_TDMA
  305 static void
  306 _db_show_tdma(const char *sep, const struct ieee80211_tdma_state *ts, int showprocs)
  307 {
  308         db_printf("%stdma %p:\n", sep, ts);
  309         db_printf("%s  version %u slot %u bintval %u peer %p\n", sep,
  310             ts->tdma_version, ts->tdma_slot, ts->tdma_bintval, ts->tdma_peer);
  311         db_printf("%s  slotlen %u slotcnt %u", sep,
  312             ts->tdma_slotlen, ts->tdma_slotcnt);
  313         db_printf(" inuse 0x%x active 0x%x count %d\n",
  314             ts->tdma_inuse[0], ts->tdma_active[0], ts->tdma_count);
  315         if (showprocs) {
  316                 DB_PRINTSYM(sep, "  tdma_newstate", ts->tdma_newstate);
  317                 DB_PRINTSYM(sep, "  tdma_recv_mgmt", ts->tdma_recv_mgmt);
  318                 DB_PRINTSYM(sep, "  tdma_opdetach", ts->tdma_opdetach);
  319         }
  320 }
  321 #endif /* IEEE80211_SUPPORT_TDMA */
  322 
  323 static void
  324 _db_show_vap(const struct ieee80211vap *vap, int showmesh, int showprocs)
  325 {
  326         const struct ieee80211com *ic = vap->iv_ic;
  327         int i;
  328 
  329         db_printf("%p:", vap);
  330         db_printf(" bss %p", vap->iv_bss);
  331         db_printf(" myaddr %s", ether_sprintf(vap->iv_myaddr));
  332         db_printf("\n");
  333 
  334         db_printf("\topmode %s", ieee80211_opmode_name[vap->iv_opmode]);
  335 #ifdef IEEE80211_SUPPORT_MESH
  336         if (vap->iv_opmode == IEEE80211_M_MBSS)
  337                 db_printf("(%p)", vap->iv_mesh);
  338 #endif
  339         db_printf(" state %s", ieee80211_state_name[vap->iv_state]);
  340         db_printf(" ifp %p(%s)", vap->iv_ifp, vap->iv_ifp->if_xname);
  341         db_printf("\n");
  342 
  343         db_printf("\tic %p", vap->iv_ic);
  344         db_printf(" media %p", &vap->iv_media);
  345         db_printf(" bpf_if %p", vap->iv_rawbpf);
  346         db_printf(" mgtsend %p", &vap->iv_mgtsend);
  347 #if 0
  348         struct sysctllog        *iv_sysctl;     /* dynamic sysctl context */
  349 #endif
  350         db_printf("\n");
  351         db_printf("\tdebug=%b\n", vap->iv_debug, IEEE80211_MSG_BITS);
  352 
  353         db_printf("\tflags=%b\n", vap->iv_flags, IEEE80211_F_BITS);
  354         db_printf("\tflags_ext=%b\n", vap->iv_flags_ext, IEEE80211_FEXT_BITS);
  355         db_printf("\tflags_ht=%b\n", vap->iv_flags_ht, IEEE80211_FHT_BITS);
  356         db_printf("\tflags_ven=%b\n", vap->iv_flags_ven, IEEE80211_FVEN_BITS);
  357         db_printf("\tcaps=%b\n", vap->iv_caps, IEEE80211_C_BITS);
  358         db_printf("\thtcaps=%b\n", vap->iv_htcaps, IEEE80211_C_HTCAP_BITS);
  359 
  360         _db_show_stats(&vap->iv_stats);
  361 
  362         db_printf("\tinact_init %d", vap->iv_inact_init);
  363         db_printf(" inact_auth %d", vap->iv_inact_auth);
  364         db_printf(" inact_run %d", vap->iv_inact_run);
  365         db_printf(" inact_probe %d", vap->iv_inact_probe);
  366         db_printf("\n");
  367 
  368         db_printf("\tdes_nssid %d", vap->iv_des_nssid);
  369         if (vap->iv_des_nssid)
  370                 _db_show_ssid(" des_ssid[%u] ", 0,
  371                     vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid);
  372         db_printf(" des_bssid %s", ether_sprintf(vap->iv_des_bssid));
  373         db_printf("\n");
  374         db_printf("\tdes_mode %d", vap->iv_des_mode);
  375         _db_show_channel(" des_chan", vap->iv_des_chan);
  376         db_printf("\n");
  377 #if 0
  378         int                     iv_nicknamelen; /* XXX junk */
  379         uint8_t                 iv_nickname[IEEE80211_NWID_LEN];
  380 #endif
  381         db_printf("\tbgscanidle %u", vap->iv_bgscanidle);
  382         db_printf(" bgscanintvl %u", vap->iv_bgscanintvl);
  383         db_printf(" scanvalid %u", vap->iv_scanvalid);
  384         db_printf("\n");
  385         db_printf("\tscanreq_duration %u", vap->iv_scanreq_duration);
  386         db_printf(" scanreq_mindwell %u", vap->iv_scanreq_mindwell);
  387         db_printf(" scanreq_maxdwell %u", vap->iv_scanreq_maxdwell);
  388         db_printf("\n");
  389         db_printf("\tscanreq_flags 0x%x", vap->iv_scanreq_flags);
  390         db_printf(" scanreq_nssid %d", vap->iv_scanreq_nssid);
  391         for (i = 0; i < vap->iv_scanreq_nssid; i++)
  392                 _db_show_ssid(" scanreq_ssid[%u]", i,
  393                     vap->iv_scanreq_ssid[i].len, vap->iv_scanreq_ssid[i].ssid);
  394         db_printf(" roaming %d", vap->iv_roaming);
  395         db_printf("\n");
  396         for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
  397                 if (isset(ic->ic_modecaps, i)) {
  398                         _db_show_roamparams("\troamparms[%s]",
  399                             ieee80211_phymode_name[i], &vap->iv_roamparms[i]);
  400                         db_printf("\n");
  401                 }
  402 
  403         db_printf("\tbmissthreshold %u", vap->iv_bmissthreshold);
  404         db_printf(" bmiss_max %u", vap->iv_bmiss_count);
  405         db_printf(" bmiss_max %d", vap->iv_bmiss_max);
  406         db_printf("\n");
  407         db_printf("\tswbmiss_count %u", vap->iv_swbmiss_count);
  408         db_printf(" swbmiss_period %u", vap->iv_swbmiss_period);
  409         db_printf(" swbmiss %p", &vap->iv_swbmiss);
  410         db_printf("\n");
  411 
  412         db_printf("\tampdu_rxmax %d", vap->iv_ampdu_rxmax);
  413         db_printf(" ampdu_density %d", vap->iv_ampdu_density);
  414         db_printf(" ampdu_limit %d", vap->iv_ampdu_limit);
  415         db_printf(" amsdu_limit %d", vap->iv_amsdu_limit);
  416         db_printf("\n");
  417 
  418         db_printf("\tmax_aid %u", vap->iv_max_aid);
  419         db_printf(" aid_bitmap %p", vap->iv_aid_bitmap);
  420         db_printf("\n");
  421         db_printf("\tsta_assoc %u", vap->iv_sta_assoc);
  422         db_printf(" ps_sta %u", vap->iv_ps_sta);
  423         db_printf(" ps_pending %u", vap->iv_ps_pending);
  424         db_printf(" tim_len %u", vap->iv_tim_len);
  425         db_printf(" tim_bitmap %p", vap->iv_tim_bitmap);
  426         db_printf("\n");
  427         db_printf("\tdtim_period %u", vap->iv_dtim_period);
  428         db_printf(" dtim_count %u", vap->iv_dtim_count);
  429         db_printf(" set_tim %p", vap->iv_set_tim);
  430         db_printf(" csa_count %d", vap->iv_csa_count);
  431         db_printf("\n");
  432 
  433         db_printf("\trtsthreshold %u", vap->iv_rtsthreshold);
  434         db_printf(" fragthreshold %u", vap->iv_fragthreshold);
  435         db_printf(" inact_timer %d", vap->iv_inact_timer);
  436         db_printf("\n");
  437         for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
  438                 if (isset(ic->ic_modecaps, i)) {
  439                         _db_show_txparams("\ttxparms[%s]",
  440                             ieee80211_phymode_name[i], &vap->iv_txparms[i]);
  441                         db_printf("\n");
  442                 }
  443 
  444         /* application-specified IE's to attach to mgt frames */
  445         _db_show_appie("\tappie_beacon", vap->iv_appie_beacon);
  446         _db_show_appie("\tappie_probereq", vap->iv_appie_probereq);
  447         _db_show_appie("\tappie_proberesp", vap->iv_appie_proberesp);
  448         _db_show_appie("\tappie_assocreq", vap->iv_appie_assocreq);
  449         _db_show_appie("\tappie_asscoresp", vap->iv_appie_assocresp);
  450         _db_show_appie("\tappie_wpa", vap->iv_appie_wpa);
  451         if (vap->iv_wpa_ie != NULL || vap->iv_rsn_ie != NULL) {
  452                 if (vap->iv_wpa_ie != NULL)
  453                         db_printf("\twpa_ie %p", vap->iv_wpa_ie);
  454                 if (vap->iv_rsn_ie != NULL)
  455                         db_printf("\trsn_ie %p", vap->iv_rsn_ie);
  456                 db_printf("\n");
  457         }
  458         db_printf("\tmax_keyix %u", vap->iv_max_keyix);
  459         db_printf(" def_txkey %d", vap->iv_def_txkey);
  460         db_printf("\n");
  461         for (i = 0; i < IEEE80211_WEP_NKID; i++)
  462                 _db_show_key("\tnw_keys[%u]", i, &vap->iv_nw_keys[i]);
  463 
  464         db_printf("\tauth %p(%s)", vap->iv_auth, vap->iv_auth->ia_name);
  465         db_printf(" ec %p", vap->iv_ec);
  466 
  467         db_printf(" acl %p", vap->iv_acl);
  468         db_printf(" as %p", vap->iv_as);
  469         db_printf("\n");
  470 #ifdef IEEE80211_SUPPORT_MESH
  471         if (showmesh && vap->iv_mesh != NULL)
  472                 _db_show_mesh(vap->iv_mesh);
  473 #endif
  474 #ifdef IEEE80211_SUPPORT_TDMA
  475         if (vap->iv_tdma != NULL)
  476                 _db_show_tdma("\t", vap->iv_tdma, showprocs);
  477 #endif /* IEEE80211_SUPPORT_TDMA */
  478         if (showprocs) {
  479                 DB_PRINTSYM("\t", "iv_key_alloc", vap->iv_key_alloc);
  480                 DB_PRINTSYM("\t", "iv_key_delete", vap->iv_key_delete);
  481                 DB_PRINTSYM("\t", "iv_key_set", vap->iv_key_set);
  482                 DB_PRINTSYM("\t", "iv_key_update_begin", vap->iv_key_update_begin);
  483                 DB_PRINTSYM("\t", "iv_key_update_end", vap->iv_key_update_end);
  484                 DB_PRINTSYM("\t", "iv_opdetach", vap->iv_opdetach);
  485                 DB_PRINTSYM("\t", "iv_input", vap->iv_input);
  486                 DB_PRINTSYM("\t", "iv_recv_mgmt", vap->iv_recv_mgmt);
  487                 DB_PRINTSYM("\t", "iv_deliver_data", vap->iv_deliver_data);
  488                 DB_PRINTSYM("\t", "iv_bmiss", vap->iv_bmiss);
  489                 DB_PRINTSYM("\t", "iv_reset", vap->iv_reset);
  490                 DB_PRINTSYM("\t", "iv_update_beacon", vap->iv_update_beacon);
  491                 DB_PRINTSYM("\t", "iv_newstate", vap->iv_newstate);
  492                 DB_PRINTSYM("\t", "iv_output", vap->iv_output);
  493         }
  494 }
  495 
  496 static void
  497 _db_show_com(const struct ieee80211com *ic, int showvaps, int showsta,
  498     int showmesh, 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("\tsoftc %p", ic->ic_softc);
  507         db_printf("\tname %s", ic->ic_name);
  508         db_printf(" comlock %p", &ic->ic_comlock);
  509         db_printf(" txlock %p", &ic->ic_txlock);
  510         db_printf(" fflock %p", &ic->ic_fflock);
  511         db_printf("\n");
  512         db_printf("\theadroom %d", ic->ic_headroom);
  513         db_printf(" phytype %d", ic->ic_phytype);
  514         db_printf(" opmode %s", ieee80211_opmode_name[ic->ic_opmode]);
  515         db_printf("\n");
  516         db_printf(" inact %p", &ic->ic_inact);
  517         db_printf("\n");
  518 
  519         db_printf("\tflags=%b\n", ic->ic_flags, IEEE80211_F_BITS);
  520         db_printf("\tflags_ext=%b\n", ic->ic_flags_ext, IEEE80211_FEXT_BITS);
  521         db_printf("\tflags_ht=%b\n", ic->ic_flags_ht, IEEE80211_FHT_BITS);
  522         db_printf("\tflags_ven=%b\n", ic->ic_flags_ven, IEEE80211_FVEN_BITS);
  523         db_printf("\tcaps=%b\n", ic->ic_caps, IEEE80211_C_BITS);
  524         db_printf("\tcryptocaps=%b\n",
  525             ic->ic_cryptocaps, IEEE80211_CRYPTO_BITS);
  526         db_printf("\thtcaps=%b\n", ic->ic_htcaps, IEEE80211_HTCAP_BITS);
  527 
  528 #if 0
  529         uint8_t                 ic_modecaps[2]; /* set of mode capabilities */
  530 #endif
  531         db_printf("\tcurmode %u", ic->ic_curmode);
  532         db_printf(" promisc %u", ic->ic_promisc);
  533         db_printf(" allmulti %u", ic->ic_allmulti);
  534         db_printf(" nrunning %u", ic->ic_nrunning);
  535         db_printf("\n");
  536         db_printf("\tbintval %u", ic->ic_bintval);
  537         db_printf(" lintval %u", ic->ic_lintval);
  538         db_printf(" holdover %u", ic->ic_holdover);
  539         db_printf(" txpowlimit %u", ic->ic_txpowlimit);
  540         db_printf("\n");
  541 #if 0
  542         struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
  543 #endif
  544         /*
  545          * Channel state:
  546          *
  547          * ic_channels is the set of available channels for the device;
  548          *    it is setup by the driver
  549          * ic_nchans is the number of valid entries in ic_channels
  550          * ic_chan_avail is a bit vector of these channels used to check
  551          *    whether a channel is available w/o searching the channel table.
  552          * ic_chan_active is a (potentially) constrained subset of
  553          *    ic_chan_avail that reflects any mode setting or user-specified
  554          *    limit on the set of channels to use/scan
  555          * ic_curchan is the current channel the device is set to; it may
  556          *    be different from ic_bsschan when we are off-channel scanning
  557          *    or otherwise doing background work
  558          * ic_bsschan is the channel selected for operation; it may
  559          *    be undefined (IEEE80211_CHAN_ANYC)
  560          * ic_prevchan is a cached ``previous channel'' used to optimize
  561          *    lookups when switching back+forth between two channels
  562          *    (e.g. for dynamic turbo)
  563          */
  564         db_printf("\tnchans %d", ic->ic_nchans);
  565 #if 0
  566         struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
  567         uint8_t                 ic_chan_avail[IEEE80211_CHAN_BYTES];
  568         uint8_t                 ic_chan_active[IEEE80211_CHAN_BYTES];
  569         uint8_t                 ic_chan_scan[IEEE80211_CHAN_BYTES];
  570 #endif
  571         db_printf("\n");
  572         _db_show_channel("\tcurchan", ic->ic_curchan);
  573         db_printf("\n");
  574         _db_show_channel("\tbsschan", ic->ic_bsschan);
  575         db_printf("\n");
  576         _db_show_channel("\tprevchan", ic->ic_prevchan);
  577         db_printf("\n");
  578         db_printf("\tregdomain %p", &ic->ic_regdomain);
  579         db_printf("\n");
  580 
  581         _db_show_channel("\tcsa_newchan", ic->ic_csa_newchan);
  582         db_printf(" csa_count %d", ic->ic_csa_count);
  583         db_printf( "dfs %p", &ic->ic_dfs);
  584         db_printf("\n");
  585 
  586         db_printf("\tscan %p", ic->ic_scan);
  587         db_printf(" lastdata %d", ic->ic_lastdata);
  588         db_printf(" lastscan %d", ic->ic_lastscan);
  589         db_printf("\n");
  590 
  591         db_printf("\tmax_keyix %d", ic->ic_max_keyix);
  592         db_printf(" hash_key 0x%x", ic->ic_hash_key);
  593         db_printf(" wme %p", &ic->ic_wme);
  594         if (!showsta)
  595                 db_printf(" sta %p", &ic->ic_sta);
  596         db_printf("\n");
  597         db_printf("\tstageq@%p:\n", &ic->ic_stageq);
  598         _db_show_ageq("\t", &ic->ic_stageq);
  599         if (showsta)
  600                 _db_show_node_table("\t", &ic->ic_sta);
  601 
  602         db_printf("\tprotmode %d", ic->ic_protmode);
  603         db_printf(" nonerpsta %u", ic->ic_nonerpsta);
  604         db_printf(" longslotsta %u", ic->ic_longslotsta);
  605         db_printf(" lastnonerp %d", ic->ic_lastnonerp);
  606         db_printf("\n");
  607         db_printf("\tsta_assoc %u", ic->ic_sta_assoc);
  608         db_printf(" ht_sta_assoc %u", ic->ic_ht_sta_assoc);
  609         db_printf(" ht40_sta_assoc %u", ic->ic_ht40_sta_assoc);
  610         db_printf("\n");
  611         db_printf("\tcurhtprotmode 0x%x", ic->ic_curhtprotmode);
  612         db_printf(" htprotmode %d", ic->ic_htprotmode);
  613         db_printf(" lastnonht %d", ic->ic_lastnonht);
  614         db_printf("\n");
  615 
  616         db_printf("\tsuperg %p\n", ic->ic_superg);
  617 
  618         db_printf("\tmontaps %d th %p txchan %p rh %p rxchan %p\n",
  619             ic->ic_montaps, ic->ic_th, ic->ic_txchan, ic->ic_rh, ic->ic_rxchan);
  620 
  621         if (showprocs) {
  622                 DB_PRINTSYM("\t", "ic_vap_create", ic->ic_vap_create);
  623                 DB_PRINTSYM("\t", "ic_vap_delete", ic->ic_vap_delete);
  624 #if 0
  625                 /* operating mode attachment */
  626                 ieee80211vap_attach     ic_vattach[IEEE80211_OPMODE_MAX];
  627 #endif
  628                 DB_PRINTSYM("\t", "ic_newassoc", ic->ic_newassoc);
  629                 DB_PRINTSYM("\t", "ic_getradiocaps", ic->ic_getradiocaps);
  630                 DB_PRINTSYM("\t", "ic_setregdomain", ic->ic_setregdomain);
  631                 DB_PRINTSYM("\t", "ic_send_mgmt", ic->ic_send_mgmt);
  632                 DB_PRINTSYM("\t", "ic_raw_xmit", ic->ic_raw_xmit);
  633                 DB_PRINTSYM("\t", "ic_updateslot", ic->ic_updateslot);
  634                 DB_PRINTSYM("\t", "ic_update_mcast", ic->ic_update_mcast);
  635                 DB_PRINTSYM("\t", "ic_update_promisc", ic->ic_update_promisc);
  636                 DB_PRINTSYM("\t", "ic_node_alloc", ic->ic_node_alloc);
  637                 DB_PRINTSYM("\t", "ic_node_free", ic->ic_node_free);
  638                 DB_PRINTSYM("\t", "ic_node_cleanup", ic->ic_node_cleanup);
  639                 DB_PRINTSYM("\t", "ic_node_getrssi", ic->ic_node_getrssi);
  640                 DB_PRINTSYM("\t", "ic_node_getsignal", ic->ic_node_getsignal);
  641                 DB_PRINTSYM("\t", "ic_node_getmimoinfo", ic->ic_node_getmimoinfo);
  642                 DB_PRINTSYM("\t", "ic_scan_start", ic->ic_scan_start);
  643                 DB_PRINTSYM("\t", "ic_scan_end", ic->ic_scan_end);
  644                 DB_PRINTSYM("\t", "ic_set_channel", ic->ic_set_channel);
  645                 DB_PRINTSYM("\t", "ic_scan_curchan", ic->ic_scan_curchan);
  646                 DB_PRINTSYM("\t", "ic_scan_mindwell", ic->ic_scan_mindwell);
  647                 DB_PRINTSYM("\t", "ic_recv_action", ic->ic_recv_action);
  648                 DB_PRINTSYM("\t", "ic_send_action", ic->ic_send_action);
  649                 DB_PRINTSYM("\t", "ic_addba_request", ic->ic_addba_request);
  650                 DB_PRINTSYM("\t", "ic_addba_response", ic->ic_addba_response);
  651                 DB_PRINTSYM("\t", "ic_addba_stop", ic->ic_addba_stop);
  652         }
  653         if (showvaps && !TAILQ_EMPTY(&ic->ic_vaps)) {
  654                 db_printf("\n");
  655                 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
  656                         _db_show_vap(vap, showmesh, showprocs);
  657         }
  658         if (showsta && !TAILQ_EMPTY(&ic->ic_sta.nt_node)) {
  659                 const struct ieee80211_node_table *nt = &ic->ic_sta;
  660                 const struct ieee80211_node *ni;
  661 
  662                 TAILQ_FOREACH(ni, &nt->nt_node, ni_list) {
  663                         db_printf("\n");
  664                         _db_show_sta(ni);
  665                 }
  666         }
  667 }
  668 
  669 static void
  670 _db_show_all_vaps(void *arg, struct ieee80211com *ic)
  671 {
  672         int showall = *(int *)arg;
  673 
  674         if (!showall) {
  675                 const struct ieee80211vap *vap;
  676                 db_printf("%s: com %p vaps:", ic->ic_name, ic);
  677                 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
  678                         db_printf(" %s(%p)", vap->iv_ifp->if_xname, vap);
  679                 db_printf("\n");
  680         } else
  681                 _db_show_com(ic, 1, 1, 1, 1);
  682 }
  683 
  684 static void
  685 _db_show_node_table(const char *tag, const struct ieee80211_node_table *nt)
  686 {
  687         int i;
  688 
  689         db_printf("%s%s@%p:\n", tag, nt->nt_name, nt);
  690         db_printf("%s nodelock %p", tag, &nt->nt_nodelock);
  691         db_printf(" inact_init %d", nt->nt_inact_init);
  692         db_printf("%s keyixmax %d keyixmap %p\n",
  693             tag, nt->nt_keyixmax, nt->nt_keyixmap);
  694         for (i = 0; i < nt->nt_keyixmax; i++) {
  695                 const struct ieee80211_node *ni = nt->nt_keyixmap[i];
  696                 if (ni != NULL)
  697                         db_printf("%s [%3u] %p %s\n", tag, i, ni,
  698                             ether_sprintf(ni->ni_macaddr));
  699         }
  700 }
  701 
  702 static void
  703 _db_show_channel(const char *tag, const struct ieee80211_channel *c)
  704 {
  705         db_printf("%s ", tag);
  706         if (c == NULL)
  707                 db_printf("<NULL>");
  708         else if (c == IEEE80211_CHAN_ANYC)
  709                 db_printf("<ANY>");
  710         else
  711                 db_printf("[%u (%u) flags=%b maxreg %d maxpow %d minpow %d state 0x%x extieee %u]",
  712                     c->ic_freq, c->ic_ieee,
  713                     c->ic_flags, IEEE80211_CHAN_BITS,
  714                     c->ic_maxregpower, c->ic_maxpower, c->ic_minpower,
  715                     c->ic_state, c->ic_extieee);
  716 }
  717 
  718 static void
  719 _db_show_ssid(const char *tag, int ix, int len, const uint8_t *ssid)
  720 {
  721         const uint8_t *p;
  722         int i;
  723 
  724         db_printf(tag, ix);
  725 
  726         if (len > IEEE80211_NWID_LEN)
  727                 len = IEEE80211_NWID_LEN;
  728         /* determine printable or not */
  729         for (i = 0, p = ssid; i < len; i++, p++) {
  730                 if (*p < ' ' || *p > 0x7e)
  731                         break;
  732         }
  733         if (i == len) {
  734                 db_printf("\"");
  735                 for (i = 0, p = ssid; i < len; i++, p++)
  736                         db_printf("%c", *p);
  737                 db_printf("\"");
  738         } else {
  739                 db_printf("0x");
  740                 for (i = 0, p = ssid; i < len; i++, p++)
  741                         db_printf("%02x", *p);
  742         }
  743 }
  744 
  745 static void
  746 _db_show_appie(const char *tag, const struct ieee80211_appie *ie)
  747 {
  748         const uint8_t *p;
  749         int i;
  750 
  751         if (ie == NULL)
  752                 return;
  753         db_printf("%s [0x", tag);
  754         for (i = 0, p = ie->ie_data; i < ie->ie_len; i++, p++)
  755                 db_printf("%02x", *p);
  756         db_printf("]\n");
  757 }
  758 
  759 static void
  760 _db_show_key(const char *tag, int ix, const struct ieee80211_key *wk)
  761 {
  762         static const uint8_t zerodata[IEEE80211_KEYBUF_SIZE];
  763         const struct ieee80211_cipher *cip = wk->wk_cipher;
  764         int keylen = wk->wk_keylen;
  765 
  766         db_printf(tag, ix);
  767         switch (cip->ic_cipher) {
  768         case IEEE80211_CIPHER_WEP:
  769                 /* compatibility */
  770                 db_printf(" wepkey %u:%s", wk->wk_keyix,
  771                     keylen <= 5 ? "40-bit" :
  772                     keylen <= 13 ? "104-bit" : "128-bit");
  773                 break;
  774         case IEEE80211_CIPHER_TKIP:
  775                 if (keylen > 128/8)
  776                         keylen -= 128/8;        /* ignore MIC for now */
  777                 db_printf(" TKIP %u:%u-bit", wk->wk_keyix, 8*keylen);
  778                 break;
  779         case IEEE80211_CIPHER_AES_OCB:
  780                 db_printf(" AES-OCB %u:%u-bit", wk->wk_keyix, 8*keylen);
  781                 break;
  782         case IEEE80211_CIPHER_AES_CCM:
  783                 db_printf(" AES-CCM %u:%u-bit", wk->wk_keyix, 8*keylen);
  784                 break;
  785         case IEEE80211_CIPHER_CKIP:
  786                 db_printf(" CKIP %u:%u-bit", wk->wk_keyix, 8*keylen);
  787                 break;
  788         case IEEE80211_CIPHER_NONE:
  789                 db_printf(" NULL %u:%u-bit", wk->wk_keyix, 8*keylen);
  790                 break;
  791         default:
  792                 db_printf(" UNKNOWN (0x%x) %u:%u-bit",
  793                         cip->ic_cipher, wk->wk_keyix, 8*keylen);
  794                 break;
  795         }
  796         if (wk->wk_rxkeyix != wk->wk_keyix)
  797                 db_printf(" rxkeyix %u", wk->wk_rxkeyix);
  798         if (memcmp(wk->wk_key, zerodata, keylen) != 0) {
  799                 int i;
  800 
  801                 db_printf(" <");
  802                 for (i = 0; i < keylen; i++)
  803                         db_printf("%02x", wk->wk_key[i]);
  804                 db_printf(">");
  805                 if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
  806                     wk->wk_keyrsc[IEEE80211_NONQOS_TID] != 0)
  807                         db_printf(" rsc %ju", (uintmax_t)wk->wk_keyrsc[IEEE80211_NONQOS_TID]);
  808                 if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
  809                     wk->wk_keytsc != 0)
  810                         db_printf(" tsc %ju", (uintmax_t)wk->wk_keytsc);
  811                 db_printf(" flags=%b", wk->wk_flags, IEEE80211_KEY_BITS);
  812         }
  813         db_printf("\n");
  814 }
  815 
  816 static void
  817 printrate(const char *tag, int v)
  818 {
  819         if (v == IEEE80211_FIXED_RATE_NONE)
  820                 db_printf(" %s <none>", tag);
  821         else if (v == 11)
  822                 db_printf(" %s 5.5", tag);
  823         else if (v & IEEE80211_RATE_MCS)
  824                 db_printf(" %s MCS%d", tag, v &~ IEEE80211_RATE_MCS);
  825         else
  826                 db_printf(" %s %d", tag, v/2);
  827 }
  828 
  829 static void
  830 _db_show_roamparams(const char *tag, const void *arg,
  831     const struct ieee80211_roamparam *rp)
  832 {
  833 
  834         db_printf(tag, arg);
  835         if (rp->rssi & 1)
  836                 db_printf(" rssi %u.5", rp->rssi/2);
  837         else
  838                 db_printf(" rssi %u", rp->rssi/2);
  839         printrate("rate", rp->rate);
  840 }
  841 
  842 static void
  843 _db_show_txparams(const char *tag, const void *arg,
  844     const struct ieee80211_txparam *tp)
  845 {
  846 
  847         db_printf(tag, arg);
  848         printrate("ucastrate", tp->ucastrate);
  849         printrate("mcastrate", tp->mcastrate);
  850         printrate("mgmtrate", tp->mgmtrate);
  851         db_printf(" maxretry %d", tp->maxretry);
  852 }
  853 
  854 static void
  855 _db_show_ageq(const char *tag, const struct ieee80211_ageq *q)
  856 {
  857         const struct mbuf *m;
  858 
  859         db_printf("%s lock %p len %d maxlen %d drops %d head %p tail %p\n",
  860             tag, &q->aq_lock, q->aq_len, q->aq_maxlen, q->aq_drops,
  861             q->aq_head, q->aq_tail);
  862         for (m = q->aq_head; m != NULL; m = m->m_nextpkt)
  863                 db_printf("%s %p (len %d, %b)\n", tag, m, m->m_len,
  864                     /* XXX could be either TX or RX but is mostly TX */
  865                     m->m_flags, IEEE80211_MBUF_TX_FLAG_BITS);
  866 }
  867 
  868 static void
  869 _db_show_stats(const struct ieee80211_stats *is)
  870 {
  871 }
  872 
  873 #ifdef IEEE80211_SUPPORT_MESH
  874 static void
  875 _db_show_mesh(const struct ieee80211_mesh_state *ms)
  876 {
  877         struct ieee80211_mesh_route *rt;
  878         int i;
  879 
  880         _db_show_ssid(" meshid ", 0, ms->ms_idlen, ms->ms_id);
  881         db_printf("nextseq %u ttl %u flags 0x%x\n", ms->ms_seq,
  882             ms->ms_ttl, ms->ms_flags);
  883         db_printf("routing table:\n");
  884         i = 0;
  885         TAILQ_FOREACH(rt, &ms->ms_routes, rt_next) {
  886                 db_printf("entry %d:\tdest: %6D nexthop: %6D metric: %u", i,
  887                     rt->rt_dest, ":", rt->rt_nexthop, ":", rt->rt_metric);
  888 
  889                 db_printf("\tlifetime: %u lastseq: %u priv: %p\n",
  890                     ieee80211_mesh_rt_update(rt, 0),
  891                     rt->rt_lastmseq, rt->rt_priv);
  892                 i++;
  893         }
  894 }
  895 #endif /* IEEE80211_SUPPORT_MESH */
  896 #endif /* DDB */

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