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: stable/12/sys/net80211/ieee80211_ddb.c 326272 2017-11-27 15:23:17Z pfg $");
   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         int i;
  213 
  214         db_printf("%srxampdu[%d]: %p flags 0x%x tid %u\n",
  215                 sep, ix, rap, rap->rxa_flags, ix /*XXX */);
  216         db_printf("%s  qbytes %d qframes %d seqstart %u start %u wnd %u\n",
  217                 sep, rap->rxa_qbytes, rap->rxa_qframes,
  218                 rap->rxa_seqstart, rap->rxa_start, rap->rxa_wnd);
  219         db_printf("%s  age %d nframes %d\n", sep,
  220                 rap->rxa_age, rap->rxa_nframes);
  221         for (i = 0; i < IEEE80211_AGGR_BAWMAX; i++)
  222                 if (rap->rxa_m[i] != NULL)
  223                         db_printf("%s  m[%2u:%4u] %p\n", sep, i,
  224                             IEEE80211_SEQ_ADD(rap->rxa_start, i),
  225                             rap->rxa_m[i]);
  226 }
  227 
  228 static void
  229 _db_show_sta(const struct ieee80211_node *ni)
  230 {
  231         int i;
  232 
  233         db_printf("0x%p: mac %s refcnt %d\n", ni,
  234                 ether_sprintf(ni->ni_macaddr), ieee80211_node_refcnt(ni));
  235         db_printf("\tvap %p wdsvap %p ic %p table %p\n",
  236                 ni->ni_vap, ni->ni_wdsvap, ni->ni_ic, ni->ni_table);
  237         db_printf("\tflags=%b\n", ni->ni_flags, IEEE80211_NODE_BITS);
  238         db_printf("\tauthmode %u ath_flags 0x%x ath_defkeyix %u\n",
  239                 ni->ni_authmode, ni->ni_ath_flags, ni->ni_ath_defkeyix);
  240         db_printf("\tassocid 0x%x txpower %u vlan %u\n",
  241                 ni->ni_associd, ni->ni_txpower, ni->ni_vlan);
  242         db_printf("\tjointime %d (%lu secs) challenge %p\n",
  243                 ni->ni_jointime, (unsigned long)(time_uptime - ni->ni_jointime),
  244                 ni->ni_challenge);
  245         db_printf("\ties: data %p len %d\n", ni->ni_ies.data, ni->ni_ies.len);
  246         db_printf("\t[wpa_ie %p rsn_ie %p wme_ie %p ath_ie %p\n",
  247                 ni->ni_ies.wpa_ie, ni->ni_ies.rsn_ie, ni->ni_ies.wme_ie,
  248                 ni->ni_ies.ath_ie);
  249         db_printf("\t htcap_ie %p htinfo_ie %p]\n",
  250                 ni->ni_ies.htcap_ie, ni->ni_ies.htinfo_ie);
  251         if (ni->ni_flags & IEEE80211_NODE_QOS) {
  252                 for (i = 0; i < WME_NUM_TID; i++) {
  253                         if (ni->ni_txseqs[i] || ni->ni_rxseqs[i])
  254                                 db_printf("\t[%u] txseq %u rxseq %u fragno %u\n",
  255                                     i, ni->ni_txseqs[i],
  256                                     ni->ni_rxseqs[i] >> IEEE80211_SEQ_SEQ_SHIFT,
  257                                     ni->ni_rxseqs[i] & IEEE80211_SEQ_FRAG_MASK);
  258                 }
  259         }
  260         db_printf("\ttxseq %u rxseq %u fragno %u rxfragstamp %u\n",
  261                 ni->ni_txseqs[IEEE80211_NONQOS_TID],
  262                 ni->ni_rxseqs[IEEE80211_NONQOS_TID] >> IEEE80211_SEQ_SEQ_SHIFT,
  263                 ni->ni_rxseqs[IEEE80211_NONQOS_TID] & IEEE80211_SEQ_FRAG_MASK,
  264                 ni->ni_rxfragstamp);
  265         db_printf("\trxfrag[0] %p rxfrag[1] %p rxfrag[2] %p\n",
  266                 ni->ni_rxfrag[0], ni->ni_rxfrag[1], ni->ni_rxfrag[2]);
  267         _db_show_key("\tucastkey", 0, &ni->ni_ucastkey);
  268         db_printf("\tavgrssi 0x%x (rssi %d) noise %d\n",
  269                 ni->ni_avgrssi, IEEE80211_RSSI_GET(ni->ni_avgrssi),
  270                 ni->ni_noise);
  271         db_printf("\tintval %u capinfo %b\n",
  272                 ni->ni_intval, ni->ni_capinfo, IEEE80211_CAPINFO_BITS);
  273         db_printf("\tbssid %s", ether_sprintf(ni->ni_bssid));
  274         _db_show_ssid(" essid ", 0, ni->ni_esslen, ni->ni_essid);
  275         db_printf("\n");
  276         _db_show_channel("\tchannel", ni->ni_chan);
  277         db_printf("\n");
  278         db_printf("\terp %b dtim_period %u dtim_count %u\n",
  279                 ni->ni_erp, IEEE80211_ERP_BITS,
  280                 ni->ni_dtim_period, ni->ni_dtim_count);
  281 
  282         db_printf("\thtcap %b htparam 0x%x htctlchan %u ht2ndchan %u\n",
  283                 ni->ni_htcap, IEEE80211_HTCAP_BITS,
  284                 ni->ni_htparam, ni->ni_htctlchan, ni->ni_ht2ndchan);
  285         db_printf("\thtopmode 0x%x htstbc 0x%x chw %u\n",
  286                 ni->ni_htopmode, ni->ni_htstbc, ni->ni_chw);
  287 
  288         /* XXX ampdu state */
  289         for (i = 0; i < WME_NUM_TID; i++)
  290                 if (ni->ni_tx_ampdu[i].txa_flags & IEEE80211_AGGR_SETUP)
  291                         _db_show_txampdu("\t", i, &ni->ni_tx_ampdu[i]);
  292         for (i = 0; i < WME_NUM_TID; i++)
  293                 if (ni->ni_rx_ampdu[i].rxa_flags)
  294                         _db_show_rxampdu("\t", i, &ni->ni_rx_ampdu[i]);
  295 
  296         db_printf("\tinact %u inact_reload %u txrate %u\n",
  297                 ni->ni_inact, ni->ni_inact_reload, ni->ni_txrate);
  298 #ifdef IEEE80211_SUPPORT_MESH
  299         _db_show_ssid("\tmeshid ", 0, ni->ni_meshidlen, ni->ni_meshid);
  300         db_printf(" mlstate %b mllid 0x%x mlpid 0x%x mlrcnt %u mltval %u\n",
  301             ni->ni_mlstate, IEEE80211_MESH_MLSTATE_BITS,
  302             ni->ni_mllid, ni->ni_mlpid, ni->ni_mlrcnt, ni->ni_mltval);
  303 #endif
  304 }
  305 
  306 #ifdef IEEE80211_SUPPORT_TDMA
  307 static void
  308 _db_show_tdma(const char *sep, const struct ieee80211_tdma_state *ts, int showprocs)
  309 {
  310         db_printf("%stdma %p:\n", sep, ts);
  311         db_printf("%s  version %u slot %u bintval %u peer %p\n", sep,
  312             ts->tdma_version, ts->tdma_slot, ts->tdma_bintval, ts->tdma_peer);
  313         db_printf("%s  slotlen %u slotcnt %u", sep,
  314             ts->tdma_slotlen, ts->tdma_slotcnt);
  315         db_printf(" inuse 0x%x active 0x%x count %d\n",
  316             ts->tdma_inuse[0], ts->tdma_active[0], ts->tdma_count);
  317         if (showprocs) {
  318                 DB_PRINTSYM(sep, "  tdma_newstate", ts->tdma_newstate);
  319                 DB_PRINTSYM(sep, "  tdma_recv_mgmt", ts->tdma_recv_mgmt);
  320                 DB_PRINTSYM(sep, "  tdma_opdetach", ts->tdma_opdetach);
  321         }
  322 }
  323 #endif /* IEEE80211_SUPPORT_TDMA */
  324 
  325 static void
  326 _db_show_vap(const struct ieee80211vap *vap, int showmesh, int showprocs)
  327 {
  328         const struct ieee80211com *ic = vap->iv_ic;
  329         int i;
  330 
  331         db_printf("%p:", vap);
  332         db_printf(" bss %p", vap->iv_bss);
  333         db_printf(" myaddr %s", ether_sprintf(vap->iv_myaddr));
  334         db_printf("\n");
  335 
  336         db_printf("\topmode %s", ieee80211_opmode_name[vap->iv_opmode]);
  337 #ifdef IEEE80211_SUPPORT_MESH
  338         if (vap->iv_opmode == IEEE80211_M_MBSS)
  339                 db_printf("(%p)", vap->iv_mesh);
  340 #endif
  341         db_printf(" state %s", ieee80211_state_name[vap->iv_state]);
  342         db_printf(" ifp %p(%s)", vap->iv_ifp, vap->iv_ifp->if_xname);
  343         db_printf("\n");
  344 
  345         db_printf("\tic %p", vap->iv_ic);
  346         db_printf(" media %p", &vap->iv_media);
  347         db_printf(" bpf_if %p", vap->iv_rawbpf);
  348         db_printf(" mgtsend %p", &vap->iv_mgtsend);
  349 #if 0
  350         struct sysctllog        *iv_sysctl;     /* dynamic sysctl context */
  351 #endif
  352         db_printf("\n");
  353         db_printf("\tdebug=%b\n", vap->iv_debug, IEEE80211_MSG_BITS);
  354 
  355         db_printf("\tflags=%b\n", vap->iv_flags, IEEE80211_F_BITS);
  356         db_printf("\tflags_ext=%b\n", vap->iv_flags_ext, IEEE80211_FEXT_BITS);
  357         db_printf("\tflags_ht=%b\n", vap->iv_flags_ht, IEEE80211_FHT_BITS);
  358         db_printf("\tflags_ven=%b\n", vap->iv_flags_ven, IEEE80211_FVEN_BITS);
  359         db_printf("\tcaps=%b\n", vap->iv_caps, IEEE80211_C_BITS);
  360         db_printf("\thtcaps=%b\n", vap->iv_htcaps, IEEE80211_C_HTCAP_BITS);
  361 
  362         _db_show_stats(&vap->iv_stats);
  363 
  364         db_printf("\tinact_init %d", vap->iv_inact_init);
  365         db_printf(" inact_auth %d", vap->iv_inact_auth);
  366         db_printf(" inact_run %d", vap->iv_inact_run);
  367         db_printf(" inact_probe %d", vap->iv_inact_probe);
  368         db_printf("\n");
  369 
  370         db_printf("\tdes_nssid %d", vap->iv_des_nssid);
  371         if (vap->iv_des_nssid)
  372                 _db_show_ssid(" des_ssid[%u] ", 0,
  373                     vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid);
  374         db_printf(" des_bssid %s", ether_sprintf(vap->iv_des_bssid));
  375         db_printf("\n");
  376         db_printf("\tdes_mode %d", vap->iv_des_mode);
  377         _db_show_channel(" des_chan", vap->iv_des_chan);
  378         db_printf("\n");
  379 #if 0
  380         int                     iv_nicknamelen; /* XXX junk */
  381         uint8_t                 iv_nickname[IEEE80211_NWID_LEN];
  382 #endif
  383         db_printf("\tbgscanidle %u", vap->iv_bgscanidle);
  384         db_printf(" bgscanintvl %u", vap->iv_bgscanintvl);
  385         db_printf(" scanvalid %u", vap->iv_scanvalid);
  386         db_printf("\n");
  387         db_printf("\tscanreq_duration %u", vap->iv_scanreq_duration);
  388         db_printf(" scanreq_mindwell %u", vap->iv_scanreq_mindwell);
  389         db_printf(" scanreq_maxdwell %u", vap->iv_scanreq_maxdwell);
  390         db_printf("\n");
  391         db_printf("\tscanreq_flags 0x%x", vap->iv_scanreq_flags);
  392         db_printf(" scanreq_nssid %d", vap->iv_scanreq_nssid);
  393         for (i = 0; i < vap->iv_scanreq_nssid; i++)
  394                 _db_show_ssid(" scanreq_ssid[%u]", i,
  395                     vap->iv_scanreq_ssid[i].len, vap->iv_scanreq_ssid[i].ssid);
  396         db_printf(" roaming %d", vap->iv_roaming);
  397         db_printf("\n");
  398         for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
  399                 if (isset(ic->ic_modecaps, i)) {
  400                         _db_show_roamparams("\troamparms[%s]",
  401                             ieee80211_phymode_name[i], &vap->iv_roamparms[i]);
  402                         db_printf("\n");
  403                 }
  404 
  405         db_printf("\tbmissthreshold %u", vap->iv_bmissthreshold);
  406         db_printf(" bmiss_max %u", vap->iv_bmiss_count);
  407         db_printf(" bmiss_max %d", vap->iv_bmiss_max);
  408         db_printf("\n");
  409         db_printf("\tswbmiss_count %u", vap->iv_swbmiss_count);
  410         db_printf(" swbmiss_period %u", vap->iv_swbmiss_period);
  411         db_printf(" swbmiss %p", &vap->iv_swbmiss);
  412         db_printf("\n");
  413 
  414         db_printf("\tampdu_rxmax %d", vap->iv_ampdu_rxmax);
  415         db_printf(" ampdu_density %d", vap->iv_ampdu_density);
  416         db_printf(" ampdu_limit %d", vap->iv_ampdu_limit);
  417         db_printf(" amsdu_limit %d", vap->iv_amsdu_limit);
  418         db_printf("\n");
  419 
  420         db_printf("\tmax_aid %u", vap->iv_max_aid);
  421         db_printf(" aid_bitmap %p", vap->iv_aid_bitmap);
  422         db_printf("\n");
  423         db_printf("\tsta_assoc %u", vap->iv_sta_assoc);
  424         db_printf(" ps_sta %u", vap->iv_ps_sta);
  425         db_printf(" ps_pending %u", vap->iv_ps_pending);
  426         db_printf(" tim_len %u", vap->iv_tim_len);
  427         db_printf(" tim_bitmap %p", vap->iv_tim_bitmap);
  428         db_printf("\n");
  429         db_printf("\tdtim_period %u", vap->iv_dtim_period);
  430         db_printf(" dtim_count %u", vap->iv_dtim_count);
  431         db_printf(" set_tim %p", vap->iv_set_tim);
  432         db_printf(" csa_count %d", vap->iv_csa_count);
  433         db_printf("\n");
  434 
  435         db_printf("\trtsthreshold %u", vap->iv_rtsthreshold);
  436         db_printf(" fragthreshold %u", vap->iv_fragthreshold);
  437         db_printf(" inact_timer %d", vap->iv_inact_timer);
  438         db_printf("\n");
  439         for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
  440                 if (isset(ic->ic_modecaps, i)) {
  441                         _db_show_txparams("\ttxparms[%s]",
  442                             ieee80211_phymode_name[i], &vap->iv_txparms[i]);
  443                         db_printf("\n");
  444                 }
  445 
  446         /* application-specified IE's to attach to mgt frames */
  447         _db_show_appie("\tappie_beacon", vap->iv_appie_beacon);
  448         _db_show_appie("\tappie_probereq", vap->iv_appie_probereq);
  449         _db_show_appie("\tappie_proberesp", vap->iv_appie_proberesp);
  450         _db_show_appie("\tappie_assocreq", vap->iv_appie_assocreq);
  451         _db_show_appie("\tappie_asscoresp", vap->iv_appie_assocresp);
  452         _db_show_appie("\tappie_wpa", vap->iv_appie_wpa);
  453         if (vap->iv_wpa_ie != NULL || vap->iv_rsn_ie != NULL) {
  454                 if (vap->iv_wpa_ie != NULL)
  455                         db_printf("\twpa_ie %p", vap->iv_wpa_ie);
  456                 if (vap->iv_rsn_ie != NULL)
  457                         db_printf("\trsn_ie %p", vap->iv_rsn_ie);
  458                 db_printf("\n");
  459         }
  460         db_printf("\tmax_keyix %u", vap->iv_max_keyix);
  461         db_printf(" def_txkey %d", vap->iv_def_txkey);
  462         db_printf("\n");
  463         for (i = 0; i < IEEE80211_WEP_NKID; i++)
  464                 _db_show_key("\tnw_keys[%u]", i, &vap->iv_nw_keys[i]);
  465 
  466         db_printf("\tauth %p(%s)", vap->iv_auth, vap->iv_auth->ia_name);
  467         db_printf(" ec %p", vap->iv_ec);
  468 
  469         db_printf(" acl %p", vap->iv_acl);
  470         db_printf(" as %p", vap->iv_as);
  471         db_printf("\n");
  472 #ifdef IEEE80211_SUPPORT_MESH
  473         if (showmesh && vap->iv_mesh != NULL)
  474                 _db_show_mesh(vap->iv_mesh);
  475 #endif
  476 #ifdef IEEE80211_SUPPORT_TDMA
  477         if (vap->iv_tdma != NULL)
  478                 _db_show_tdma("\t", vap->iv_tdma, showprocs);
  479 #endif /* IEEE80211_SUPPORT_TDMA */
  480         if (showprocs) {
  481                 DB_PRINTSYM("\t", "iv_key_alloc", vap->iv_key_alloc);
  482                 DB_PRINTSYM("\t", "iv_key_delete", vap->iv_key_delete);
  483                 DB_PRINTSYM("\t", "iv_key_set", vap->iv_key_set);
  484                 DB_PRINTSYM("\t", "iv_key_update_begin", vap->iv_key_update_begin);
  485                 DB_PRINTSYM("\t", "iv_key_update_end", vap->iv_key_update_end);
  486                 DB_PRINTSYM("\t", "iv_opdetach", vap->iv_opdetach);
  487                 DB_PRINTSYM("\t", "iv_input", vap->iv_input);
  488                 DB_PRINTSYM("\t", "iv_recv_mgmt", vap->iv_recv_mgmt);
  489                 DB_PRINTSYM("\t", "iv_deliver_data", vap->iv_deliver_data);
  490                 DB_PRINTSYM("\t", "iv_bmiss", vap->iv_bmiss);
  491                 DB_PRINTSYM("\t", "iv_reset", vap->iv_reset);
  492                 DB_PRINTSYM("\t", "iv_update_beacon", vap->iv_update_beacon);
  493                 DB_PRINTSYM("\t", "iv_newstate", vap->iv_newstate);
  494                 DB_PRINTSYM("\t", "iv_output", vap->iv_output);
  495         }
  496 }
  497 
  498 static void
  499 _db_show_com(const struct ieee80211com *ic, int showvaps, int showsta,
  500     int showmesh, int showprocs)
  501 {
  502         struct ieee80211vap *vap;
  503 
  504         db_printf("%p:", ic);
  505         TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
  506                 db_printf(" %s(%p)", vap->iv_ifp->if_xname, vap);
  507         db_printf("\n");
  508         db_printf("\tsoftc %p", ic->ic_softc);
  509         db_printf("\tname %s", ic->ic_name);
  510         db_printf(" comlock %p", &ic->ic_comlock);
  511         db_printf(" txlock %p", &ic->ic_txlock);
  512         db_printf(" fflock %p", &ic->ic_fflock);
  513         db_printf("\n");
  514         db_printf("\theadroom %d", ic->ic_headroom);
  515         db_printf(" phytype %d", ic->ic_phytype);
  516         db_printf(" opmode %s", ieee80211_opmode_name[ic->ic_opmode]);
  517         db_printf("\n");
  518         db_printf(" inact %p", &ic->ic_inact);
  519         db_printf("\n");
  520 
  521         db_printf("\tflags=%b\n", ic->ic_flags, IEEE80211_F_BITS);
  522         db_printf("\tflags_ext=%b\n", ic->ic_flags_ext, IEEE80211_FEXT_BITS);
  523         db_printf("\tflags_ht=%b\n", ic->ic_flags_ht, IEEE80211_FHT_BITS);
  524         db_printf("\tflags_ven=%b\n", ic->ic_flags_ven, IEEE80211_FVEN_BITS);
  525         db_printf("\tcaps=%b\n", ic->ic_caps, IEEE80211_C_BITS);
  526         db_printf("\tcryptocaps=%b\n",
  527             ic->ic_cryptocaps, IEEE80211_CRYPTO_BITS);
  528         db_printf("\thtcaps=%b\n", ic->ic_htcaps, IEEE80211_HTCAP_BITS);
  529 
  530 #if 0
  531         uint8_t                 ic_modecaps[2]; /* set of mode capabilities */
  532 #endif
  533         db_printf("\tcurmode %u", ic->ic_curmode);
  534         db_printf(" promisc %u", ic->ic_promisc);
  535         db_printf(" allmulti %u", ic->ic_allmulti);
  536         db_printf(" nrunning %u", ic->ic_nrunning);
  537         db_printf("\n");
  538         db_printf("\tbintval %u", ic->ic_bintval);
  539         db_printf(" lintval %u", ic->ic_lintval);
  540         db_printf(" holdover %u", ic->ic_holdover);
  541         db_printf(" txpowlimit %u", ic->ic_txpowlimit);
  542         db_printf("\n");
  543 #if 0
  544         struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
  545 #endif
  546         /*
  547          * Channel state:
  548          *
  549          * ic_channels is the set of available channels for the device;
  550          *    it is setup by the driver
  551          * ic_nchans is the number of valid entries in ic_channels
  552          * ic_chan_avail is a bit vector of these channels used to check
  553          *    whether a channel is available w/o searching the channel table.
  554          * ic_chan_active is a (potentially) constrained subset of
  555          *    ic_chan_avail that reflects any mode setting or user-specified
  556          *    limit on the set of channels to use/scan
  557          * ic_curchan is the current channel the device is set to; it may
  558          *    be different from ic_bsschan when we are off-channel scanning
  559          *    or otherwise doing background work
  560          * ic_bsschan is the channel selected for operation; it may
  561          *    be undefined (IEEE80211_CHAN_ANYC)
  562          * ic_prevchan is a cached ``previous channel'' used to optimize
  563          *    lookups when switching back+forth between two channels
  564          *    (e.g. for dynamic turbo)
  565          */
  566         db_printf("\tnchans %d", ic->ic_nchans);
  567 #if 0
  568         struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
  569         uint8_t                 ic_chan_avail[IEEE80211_CHAN_BYTES];
  570         uint8_t                 ic_chan_active[IEEE80211_CHAN_BYTES];
  571         uint8_t                 ic_chan_scan[IEEE80211_CHAN_BYTES];
  572 #endif
  573         db_printf("\n");
  574         _db_show_channel("\tcurchan", ic->ic_curchan);
  575         db_printf("\n");
  576         _db_show_channel("\tbsschan", ic->ic_bsschan);
  577         db_printf("\n");
  578         _db_show_channel("\tprevchan", ic->ic_prevchan);
  579         db_printf("\n");
  580         db_printf("\tregdomain %p", &ic->ic_regdomain);
  581         db_printf("\n");
  582 
  583         _db_show_channel("\tcsa_newchan", ic->ic_csa_newchan);
  584         db_printf(" csa_count %d", ic->ic_csa_count);
  585         db_printf( "dfs %p", &ic->ic_dfs);
  586         db_printf("\n");
  587 
  588         db_printf("\tscan %p", ic->ic_scan);
  589         db_printf(" lastdata %d", ic->ic_lastdata);
  590         db_printf(" lastscan %d", ic->ic_lastscan);
  591         db_printf("\n");
  592 
  593         db_printf("\tmax_keyix %d", ic->ic_max_keyix);
  594         db_printf(" hash_key 0x%x", ic->ic_hash_key);
  595         db_printf(" wme %p", &ic->ic_wme);
  596         if (!showsta)
  597                 db_printf(" sta %p", &ic->ic_sta);
  598         db_printf("\n");
  599         db_printf("\tstageq@%p:\n", &ic->ic_stageq);
  600         _db_show_ageq("\t", &ic->ic_stageq);
  601         if (showsta)
  602                 _db_show_node_table("\t", &ic->ic_sta);
  603 
  604         db_printf("\tprotmode %d", ic->ic_protmode);
  605         db_printf(" nonerpsta %u", ic->ic_nonerpsta);
  606         db_printf(" longslotsta %u", ic->ic_longslotsta);
  607         db_printf(" lastnonerp %d", ic->ic_lastnonerp);
  608         db_printf("\n");
  609         db_printf("\tsta_assoc %u", ic->ic_sta_assoc);
  610         db_printf(" ht_sta_assoc %u", ic->ic_ht_sta_assoc);
  611         db_printf(" ht40_sta_assoc %u", ic->ic_ht40_sta_assoc);
  612         db_printf("\n");
  613         db_printf("\tcurhtprotmode 0x%x", ic->ic_curhtprotmode);
  614         db_printf(" htprotmode %d", ic->ic_htprotmode);
  615         db_printf(" lastnonht %d", ic->ic_lastnonht);
  616         db_printf("\n");
  617 
  618         db_printf("\tsuperg %p\n", ic->ic_superg);
  619 
  620         db_printf("\tmontaps %d th %p txchan %p rh %p rxchan %p\n",
  621             ic->ic_montaps, ic->ic_th, ic->ic_txchan, ic->ic_rh, ic->ic_rxchan);
  622 
  623         if (showprocs) {
  624                 DB_PRINTSYM("\t", "ic_vap_create", ic->ic_vap_create);
  625                 DB_PRINTSYM("\t", "ic_vap_delete", ic->ic_vap_delete);
  626 #if 0
  627                 /* operating mode attachment */
  628                 ieee80211vap_attach     ic_vattach[IEEE80211_OPMODE_MAX];
  629 #endif
  630                 DB_PRINTSYM("\t", "ic_newassoc", ic->ic_newassoc);
  631                 DB_PRINTSYM("\t", "ic_getradiocaps", ic->ic_getradiocaps);
  632                 DB_PRINTSYM("\t", "ic_setregdomain", ic->ic_setregdomain);
  633                 DB_PRINTSYM("\t", "ic_send_mgmt", ic->ic_send_mgmt);
  634                 DB_PRINTSYM("\t", "ic_raw_xmit", ic->ic_raw_xmit);
  635                 DB_PRINTSYM("\t", "ic_updateslot", ic->ic_updateslot);
  636                 DB_PRINTSYM("\t", "ic_update_mcast", ic->ic_update_mcast);
  637                 DB_PRINTSYM("\t", "ic_update_promisc", ic->ic_update_promisc);
  638                 DB_PRINTSYM("\t", "ic_node_alloc", ic->ic_node_alloc);
  639                 DB_PRINTSYM("\t", "ic_node_free", ic->ic_node_free);
  640                 DB_PRINTSYM("\t", "ic_node_cleanup", ic->ic_node_cleanup);
  641                 DB_PRINTSYM("\t", "ic_node_getrssi", ic->ic_node_getrssi);
  642                 DB_PRINTSYM("\t", "ic_node_getsignal", ic->ic_node_getsignal);
  643                 DB_PRINTSYM("\t", "ic_node_getmimoinfo", ic->ic_node_getmimoinfo);
  644                 DB_PRINTSYM("\t", "ic_scan_start", ic->ic_scan_start);
  645                 DB_PRINTSYM("\t", "ic_scan_end", ic->ic_scan_end);
  646                 DB_PRINTSYM("\t", "ic_set_channel", ic->ic_set_channel);
  647                 DB_PRINTSYM("\t", "ic_scan_curchan", ic->ic_scan_curchan);
  648                 DB_PRINTSYM("\t", "ic_scan_mindwell", ic->ic_scan_mindwell);
  649                 DB_PRINTSYM("\t", "ic_recv_action", ic->ic_recv_action);
  650                 DB_PRINTSYM("\t", "ic_send_action", ic->ic_send_action);
  651                 DB_PRINTSYM("\t", "ic_addba_request", ic->ic_addba_request);
  652                 DB_PRINTSYM("\t", "ic_addba_response", ic->ic_addba_response);
  653                 DB_PRINTSYM("\t", "ic_addba_stop", ic->ic_addba_stop);
  654         }
  655         if (showvaps && !TAILQ_EMPTY(&ic->ic_vaps)) {
  656                 db_printf("\n");
  657                 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
  658                         _db_show_vap(vap, showmesh, showprocs);
  659         }
  660         if (showsta && !TAILQ_EMPTY(&ic->ic_sta.nt_node)) {
  661                 const struct ieee80211_node_table *nt = &ic->ic_sta;
  662                 const struct ieee80211_node *ni;
  663 
  664                 TAILQ_FOREACH(ni, &nt->nt_node, ni_list) {
  665                         db_printf("\n");
  666                         _db_show_sta(ni);
  667                 }
  668         }
  669 }
  670 
  671 static void
  672 _db_show_all_vaps(void *arg, struct ieee80211com *ic)
  673 {
  674         int showall = *(int *)arg;
  675 
  676         if (!showall) {
  677                 const struct ieee80211vap *vap;
  678                 db_printf("%s: com %p vaps:", ic->ic_name, ic);
  679                 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
  680                         db_printf(" %s(%p)", vap->iv_ifp->if_xname, vap);
  681                 db_printf("\n");
  682         } else
  683                 _db_show_com(ic, 1, 1, 1, 1);
  684 }
  685 
  686 static void
  687 _db_show_node_table(const char *tag, const struct ieee80211_node_table *nt)
  688 {
  689         int i;
  690 
  691         db_printf("%s%s@%p:\n", tag, nt->nt_name, nt);
  692         db_printf("%s nodelock %p", tag, &nt->nt_nodelock);
  693         db_printf(" inact_init %d", nt->nt_inact_init);
  694         db_printf("%s keyixmax %d keyixmap %p\n",
  695             tag, nt->nt_keyixmax, nt->nt_keyixmap);
  696         for (i = 0; i < nt->nt_keyixmax; i++) {
  697                 const struct ieee80211_node *ni = nt->nt_keyixmap[i];
  698                 if (ni != NULL)
  699                         db_printf("%s [%3u] %p %s\n", tag, i, ni,
  700                             ether_sprintf(ni->ni_macaddr));
  701         }
  702 }
  703 
  704 static void
  705 _db_show_channel(const char *tag, const struct ieee80211_channel *c)
  706 {
  707         db_printf("%s ", tag);
  708         if (c == NULL)
  709                 db_printf("<NULL>");
  710         else if (c == IEEE80211_CHAN_ANYC)
  711                 db_printf("<ANY>");
  712         else
  713                 db_printf("[%u (%u) flags=%b maxreg %d maxpow %d minpow %d state 0x%x extieee %u]",
  714                     c->ic_freq, c->ic_ieee,
  715                     c->ic_flags, IEEE80211_CHAN_BITS,
  716                     c->ic_maxregpower, c->ic_maxpower, c->ic_minpower,
  717                     c->ic_state, c->ic_extieee);
  718 }
  719 
  720 static void
  721 _db_show_ssid(const char *tag, int ix, int len, const uint8_t *ssid)
  722 {
  723         const uint8_t *p;
  724         int i;
  725 
  726         db_printf(tag, ix);
  727 
  728         if (len > IEEE80211_NWID_LEN)
  729                 len = IEEE80211_NWID_LEN;
  730         /* determine printable or not */
  731         for (i = 0, p = ssid; i < len; i++, p++) {
  732                 if (*p < ' ' || *p > 0x7e)
  733                         break;
  734         }
  735         if (i == len) {
  736                 db_printf("\"");
  737                 for (i = 0, p = ssid; i < len; i++, p++)
  738                         db_printf("%c", *p);
  739                 db_printf("\"");
  740         } else {
  741                 db_printf("0x");
  742                 for (i = 0, p = ssid; i < len; i++, p++)
  743                         db_printf("%02x", *p);
  744         }
  745 }
  746 
  747 static void
  748 _db_show_appie(const char *tag, const struct ieee80211_appie *ie)
  749 {
  750         const uint8_t *p;
  751         int i;
  752 
  753         if (ie == NULL)
  754                 return;
  755         db_printf("%s [0x", tag);
  756         for (i = 0, p = ie->ie_data; i < ie->ie_len; i++, p++)
  757                 db_printf("%02x", *p);
  758         db_printf("]\n");
  759 }
  760 
  761 static void
  762 _db_show_key(const char *tag, int ix, const struct ieee80211_key *wk)
  763 {
  764         static const uint8_t zerodata[IEEE80211_KEYBUF_SIZE];
  765         const struct ieee80211_cipher *cip = wk->wk_cipher;
  766         int keylen = wk->wk_keylen;
  767 
  768         db_printf(tag, ix);
  769         switch (cip->ic_cipher) {
  770         case IEEE80211_CIPHER_WEP:
  771                 /* compatibility */
  772                 db_printf(" wepkey %u:%s", wk->wk_keyix,
  773                     keylen <= 5 ? "40-bit" :
  774                     keylen <= 13 ? "104-bit" : "128-bit");
  775                 break;
  776         case IEEE80211_CIPHER_TKIP:
  777                 if (keylen > 128/8)
  778                         keylen -= 128/8;        /* ignore MIC for now */
  779                 db_printf(" TKIP %u:%u-bit", wk->wk_keyix, 8*keylen);
  780                 break;
  781         case IEEE80211_CIPHER_AES_OCB:
  782                 db_printf(" AES-OCB %u:%u-bit", wk->wk_keyix, 8*keylen);
  783                 break;
  784         case IEEE80211_CIPHER_AES_CCM:
  785                 db_printf(" AES-CCM %u:%u-bit", wk->wk_keyix, 8*keylen);
  786                 break;
  787         case IEEE80211_CIPHER_CKIP:
  788                 db_printf(" CKIP %u:%u-bit", wk->wk_keyix, 8*keylen);
  789                 break;
  790         case IEEE80211_CIPHER_NONE:
  791                 db_printf(" NULL %u:%u-bit", wk->wk_keyix, 8*keylen);
  792                 break;
  793         default:
  794                 db_printf(" UNKNOWN (0x%x) %u:%u-bit",
  795                         cip->ic_cipher, wk->wk_keyix, 8*keylen);
  796                 break;
  797         }
  798         if (wk->wk_rxkeyix != wk->wk_keyix)
  799                 db_printf(" rxkeyix %u", wk->wk_rxkeyix);
  800         if (memcmp(wk->wk_key, zerodata, keylen) != 0) {
  801                 int i;
  802 
  803                 db_printf(" <");
  804                 for (i = 0; i < keylen; i++)
  805                         db_printf("%02x", wk->wk_key[i]);
  806                 db_printf(">");
  807                 if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
  808                     wk->wk_keyrsc[IEEE80211_NONQOS_TID] != 0)
  809                         db_printf(" rsc %ju", (uintmax_t)wk->wk_keyrsc[IEEE80211_NONQOS_TID]);
  810                 if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
  811                     wk->wk_keytsc != 0)
  812                         db_printf(" tsc %ju", (uintmax_t)wk->wk_keytsc);
  813                 db_printf(" flags=%b", wk->wk_flags, IEEE80211_KEY_BITS);
  814         }
  815         db_printf("\n");
  816 }
  817 
  818 static void
  819 printrate(const char *tag, int v)
  820 {
  821         if (v == IEEE80211_FIXED_RATE_NONE)
  822                 db_printf(" %s <none>", tag);
  823         else if (v == 11)
  824                 db_printf(" %s 5.5", tag);
  825         else if (v & IEEE80211_RATE_MCS)
  826                 db_printf(" %s MCS%d", tag, v &~ IEEE80211_RATE_MCS);
  827         else
  828                 db_printf(" %s %d", tag, v/2);
  829 }
  830 
  831 static void
  832 _db_show_roamparams(const char *tag, const void *arg,
  833     const struct ieee80211_roamparam *rp)
  834 {
  835 
  836         db_printf(tag, arg);
  837         if (rp->rssi & 1)
  838                 db_printf(" rssi %u.5", rp->rssi/2);
  839         else
  840                 db_printf(" rssi %u", rp->rssi/2);
  841         printrate("rate", rp->rate);
  842 }
  843 
  844 static void
  845 _db_show_txparams(const char *tag, const void *arg,
  846     const struct ieee80211_txparam *tp)
  847 {
  848 
  849         db_printf(tag, arg);
  850         printrate("ucastrate", tp->ucastrate);
  851         printrate("mcastrate", tp->mcastrate);
  852         printrate("mgmtrate", tp->mgmtrate);
  853         db_printf(" maxretry %d", tp->maxretry);
  854 }
  855 
  856 static void
  857 _db_show_ageq(const char *tag, const struct ieee80211_ageq *q)
  858 {
  859         const struct mbuf *m;
  860 
  861         db_printf("%s lock %p len %d maxlen %d drops %d head %p tail %p\n",
  862             tag, &q->aq_lock, q->aq_len, q->aq_maxlen, q->aq_drops,
  863             q->aq_head, q->aq_tail);
  864         for (m = q->aq_head; m != NULL; m = m->m_nextpkt)
  865                 db_printf("%s %p (len %d, %b)\n", tag, m, m->m_len,
  866                     /* XXX could be either TX or RX but is mostly TX */
  867                     m->m_flags, IEEE80211_MBUF_TX_FLAG_BITS);
  868 }
  869 
  870 static void
  871 _db_show_stats(const struct ieee80211_stats *is)
  872 {
  873 }
  874 
  875 #ifdef IEEE80211_SUPPORT_MESH
  876 static void
  877 _db_show_mesh(const struct ieee80211_mesh_state *ms)
  878 {
  879         struct ieee80211_mesh_route *rt;
  880         int i;
  881 
  882         _db_show_ssid(" meshid ", 0, ms->ms_idlen, ms->ms_id);
  883         db_printf("nextseq %u ttl %u flags 0x%x\n", ms->ms_seq,
  884             ms->ms_ttl, ms->ms_flags);
  885         db_printf("routing table:\n");
  886         i = 0;
  887         TAILQ_FOREACH(rt, &ms->ms_routes, rt_next) {
  888                 db_printf("entry %d:\tdest: %6D nexthop: %6D metric: %u", i,
  889                     rt->rt_dest, ":", rt->rt_nexthop, ":", rt->rt_metric);
  890 
  891                 db_printf("\tlifetime: %u lastseq: %u priv: %p\n",
  892                     ieee80211_mesh_rt_update(rt, 0),
  893                     rt->rt_lastmseq, rt->rt_priv);
  894                 i++;
  895         }
  896 }
  897 #endif /* IEEE80211_SUPPORT_MESH */
  898 #endif /* DDB */

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