root/usr.sbin/wlanstat/wlanstat.c
/*-
 * Copyright (c) 2002-2007 Sam Leffler, Errno Consulting
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer,
 *    without modification.
 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
 *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
 *    redistribution must be conditioned upon including a substantially
 *    similar Disclaimer requirement for further binary redistribution.
 *
 * NO WARRANTY
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGES.
 */

/*
 * net80211 statistics class.
 */

#include <sys/param.h>
#include <sys/file.h>
#include <sys/sockio.h>
#include <sys/socket.h>

#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_media.h>
#include <net/if_var.h>
#include <net/ethernet.h>

#include <err.h>
#include <ifaddrs.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include "../../sys/net80211/ieee80211_ioctl.h"

#include "wlanstat.h"

#ifndef IEEE80211_ADDR_COPY
#define IEEE80211_ADDR_COPY(dst, src)   memcpy(dst, src, IEEE80211_ADDR_LEN)
#define IEEE80211_ADDR_EQ(a1,a2)        (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0)
#endif

#define AFTER(prev)     ((prev)+1)

static const struct fmt wlanstat[] = {
#define S_RX_BADVERSION         0
        { 5,  "rx_badversion",  "bvers",        "rx frame with bad version" },
#define S_RX_TOOSHORT           AFTER(S_RX_BADVERSION)
        { 5,  "rx_tooshort",    "2short",       "rx frame too short" },
#define S_RX_WRONGBSS           AFTER(S_RX_TOOSHORT)
        { 5,  "rx_wrongbss",    "wrbss",        "rx from wrong bssid" },
#define S_RX_DUP                AFTER(S_RX_WRONGBSS)
        { 5,  "rx_dup",         "rxdup",        "rx discard 'cuz dup" },
#define S_RX_WRONGDIR           AFTER(S_RX_DUP)
        { 5,  "rx_wrongdir",    "wrdir",        "rx w/ wrong direction" },
#define S_RX_MCASTECHO          AFTER(S_RX_WRONGDIR)
        { 5,  "rx_mcastecho",   "mecho",        "rx discard 'cuz mcast echo" },
#define S_RX_NOTASSOC           AFTER(S_RX_MCASTECHO)
        { 6,  "rx_notassoc",    "!assoc",       "rx discard 'cuz sta !assoc" },
#define S_RX_NOPRIVACY          AFTER(S_RX_NOTASSOC)
        { 6,  "rx_noprivacy",   "nopriv",       "rx w/ wep but privacy off" },
#define S_RX_UNENCRYPTED        AFTER(S_RX_NOPRIVACY)
        { 6,  "rx_unencrypted", "unencr",       "rx w/o wep and privacy on" },
#define S_RX_WEPFAIL            AFTER(S_RX_UNENCRYPTED)
        { 7,  "rx_wepfail",     "wepfail",      "rx wep processing failed" },
#define S_RX_DECAP              AFTER(S_RX_WEPFAIL)
        { 5,  "rx_decap",       "decap",        "rx decapsulation failed" },
#define S_RX_MGTDISCARD         AFTER(S_RX_DECAP)
        { 8,  "rx_mgtdiscard",  "mgtdiscard",   "rx discard mgt frames" },
#define S_RX_CTL                AFTER(S_RX_MGTDISCARD)
        { 5,  "rx_ctl",         "ctl",          "rx ctrl frames" },
#define S_RX_BEACON             AFTER(S_RX_CTL)
        { 6,  "rx_beacon",      "beacon",       "rx beacon frames" },
#define S_RX_RSTOOBIG           AFTER(S_RX_BEACON)
        { 6,  "rx_rstoobig",    "rs2big",       "rx rate set truncated" },
#define S_RX_ELEM_MISSING       AFTER(S_RX_RSTOOBIG)
        { 6,  "rx_elem_missing","iemiss",       "rx required element missing" },
#define S_RX_ELEM_TOOBIG        AFTER(S_RX_ELEM_MISSING)
        { 6,  "rx_elem_toobig", "ie2big",       "rx element too big" },
#define S_RX_ELEM_TOOSMALL      AFTER(S_RX_ELEM_TOOBIG)
        { 7,  "rx_elem_toosmall","ie2small","rx element too small" },
#define S_RX_ELEM_UNKNOWN       AFTER(S_RX_ELEM_TOOSMALL)
        { 5,  "rx_elem_unknown","ieunk",        "rx element unknown" },
#define S_RX_BADCHAN            AFTER(S_RX_ELEM_UNKNOWN)
        { 6,  "rx_badchan",     "badchan",      "rx frame w/ invalid chan" },
#define S_RX_CHANMISMATCH       AFTER(S_RX_BADCHAN)
        { 5,  "rx_chanmismatch","chanmismatch", "rx frame chan mismatch" },
#define S_RX_NODEALLOC          AFTER(S_RX_CHANMISMATCH)
        { 5,  "rx_nodealloc",   "nodealloc",    "nodes allocated (rx)" },
#define S_RX_SSIDMISMATCH       AFTER(S_RX_NODEALLOC)
        { 5,  "rx_ssidmismatch","ssidmismatch", "rx frame ssid mismatch" },
#define S_RX_AUTH_UNSUPPORTED   AFTER(S_RX_SSIDMISMATCH)
        { 5,  "rx_auth_unsupported","auth_unsupported",
                "rx w/ unsupported auth alg" },
#define S_RX_AUTH_FAIL          AFTER(S_RX_AUTH_UNSUPPORTED)
        { 5,  "rx_auth_fail",   "auth_fail",    "rx sta auth failure" },
#define S_RX_AUTH_FAIL_CODE     AFTER(S_RX_AUTH_FAIL)
        { 5,  "rx_auth_fail_code","auth_fail_code",
                "last rx auth failure reason" },
#define S_RX_AUTH_COUNTERMEASURES       AFTER(S_RX_AUTH_FAIL_CODE)
        { 5,  "rx_auth_countermeasures",        "auth_countermeasures",
                "rx sta auth failure 'cuz of TKIP countermeasures" },
#define S_RX_ASSOC_BSS          AFTER(S_RX_AUTH_COUNTERMEASURES)
        { 5,  "rx_assoc_bss",   "assoc_bss",    "rx assoc from wrong bssid" },
#define S_RX_ASSOC_NOTAUTH      AFTER(S_RX_ASSOC_BSS)
        { 5,  "rx_assoc_notauth","assoc_notauth",       "rx assoc w/o auth" },
#define S_RX_ASSOC_CAPMISMATCH  AFTER(S_RX_ASSOC_NOTAUTH)
        { 5,  "rx_assoc_capmismatch","assoc_capmismatch",
                "rx assoc w/ cap mismatch" },
#define S_RX_ASSOC_NORATE       AFTER(S_RX_ASSOC_CAPMISMATCH)
        { 5,  "rx_assoc_norate","assoc_norate", "rx assoc w/ no rate match" },
#define S_RX_ASSOC_BADWPAIE     AFTER(S_RX_ASSOC_NORATE)
        { 5,  "rx_assoc_badwpaie","assoc_badwpaie",
                "rx assoc w/ bad WPA IE" },
#define S_RX_DEAUTH             AFTER(S_RX_ASSOC_BADWPAIE)
        { 5,  "rx_deauth",      "deauth",       "rx deauthentication" },
#define S_RX_DEAUTH_CODE        AFTER(S_RX_DEAUTH)
        { 5,  "rx_deauth_code","deauth_code",   "last rx deauth reason" },
#define S_RX_DISASSOC           AFTER(S_RX_DEAUTH_CODE)
        { 5,  "rx_disassoc",    "disassoc",     "rx disassociation" },
#define S_RX_DISASSOC_CODE      AFTER(S_RX_DISASSOC)
        { 5,  "rx_disassoc_code","disassoc_code",
                "last rx disassoc reason" },
#define S_BMISS                 AFTER(S_RX_DISASSOC_CODE)
        { 5,  "bmiss",          "bmiss",        "beacon miss events handled" },
#define S_RX_BADSUBTYPE         AFTER(S_BMISS)
        { 5,  "rx_badsubtype",  "badsubtype",   "rx frame w/ unknown subtype" },
#define S_RX_NOBUF              AFTER(S_RX_BADSUBTYPE)
        { 5,  "rx_nobuf",       "nobuf",        "rx failed for lack of mbuf" },
#define S_RX_DECRYPTCRC         AFTER(S_RX_NOBUF)
        { 5,  "rx_decryptcrc",  "decryptcrc",   "rx decrypt failed on crc" },
#define S_RX_AHDEMO_MGT         AFTER(S_RX_DECRYPTCRC)
        { 5,  "rx_ahdemo_mgt",  "ahdemo_mgt",
                "rx discard mgmt frame received in ahdoc demo mode" },
#define S_RX_BAD_AUTH           AFTER(S_RX_AHDEMO_MGT)
        { 5,  "rx_bad_auth",    "bad_auth",     "rx bad authentication request" },
#define S_RX_UNAUTH             AFTER(S_RX_BAD_AUTH)
        { 5,  "rx_unauth",      "unauth",
                "rx discard 'cuz port unauthorized" },
#define S_RX_BADKEYID           AFTER(S_RX_UNAUTH)
        { 5,  "rx_badkeyid",    "rxkid",        "rx w/ incorrect keyid" },
#define S_RX_CCMPREPLAY         AFTER(S_RX_BADKEYID)
        { 5,  "rx_ccmpreplay",  "ccmpreplay",   "rx seq# violation (CCMP)" },
#define S_RX_CCMPFORMAT         AFTER(S_RX_CCMPREPLAY)
        { 5,  "rx_ccmpformat",  "ccmpformat",   "rx format bad (CCMP)" },
#define S_RX_CCMPMIC            AFTER(S_RX_CCMPFORMAT)
        { 5,  "rx_ccmpmic",     "ccmpmic",      "rx MIC check failed (CCMP)" },
#define S_RX_TKIPREPLAY         AFTER(S_RX_CCMPMIC)
        { 5,  "rx_tkipreplay",  "tkipreplay",   "rx seq# violation (TKIP)" },
#define S_RX_TKIPFORMAT         AFTER(S_RX_TKIPREPLAY)
        { 5,  "rx_tkipformat",  "tkipformat",   "rx format bad (TKIP)" },
#define S_RX_TKIPMIC            AFTER(S_RX_TKIPFORMAT)
        { 5,  "rx_tkipmic",     "tkipmic",      "rx MIC check failed (TKIP)" },
#define S_RX_TKIPICV            AFTER(S_RX_TKIPMIC)
        { 5,  "rx_tkipicv",     "tkipicv",      "rx ICV check failed (TKIP)" },
#define S_RX_BADCIPHER          AFTER(S_RX_TKIPICV)
        { 5,  "rx_badcipher",   "badcipher",    "rx failed 'cuz bad cipher/key type" },
#define S_RX_NOCIPHERCTX        AFTER(S_RX_BADCIPHER)
        { 5,  "rx_nocipherctx", "nocipherctx",  "rx failed 'cuz key/cipher ctx not setup" },
#define S_RX_ACL                AFTER(S_RX_NOCIPHERCTX)
        { 5,  "rx_acl",         "acl",          "rx discard 'cuz acl policy" },
#define S_TX_NOBUF              AFTER(S_RX_ACL)
        { 5,  "tx_nobuf",       "nobuf",        "tx failed for lack of mbuf" },
#define S_TX_NONODE             AFTER(S_TX_NOBUF)
        { 5,  "tx_nonode",      "nonode",       "tx failed for no node" },
#define S_TX_UNKNOWNMGT         AFTER(S_TX_NONODE)
        { 5,  "tx_unknownmgt",  "unknownmgt",   "tx of unknown mgt frame" },
#define S_TX_BADCIPHER          AFTER(S_TX_UNKNOWNMGT)
        { 5,  "tx_badcipher",   "badcipher",    "tx failed 'cuz bad ciper/key type" },
#define S_TX_NODEFKEY           AFTER(S_TX_BADCIPHER)
        { 5,  "tx_nodefkey",    "nodefkey",     "tx failed 'cuz no defkey" },
#define S_TX_NOHEADROOM         AFTER(S_TX_NODEFKEY)
        { 5,  "tx_noheadroom",  "noheadroom",   "tx failed 'cuz no space for crypto hdrs" },
#define S_TX_FRAGFRAMES         AFTER(S_TX_NOHEADROOM)
        { 5,  "tx_fragframes",  "fragframes",   "tx frames fragmented" },
#define S_TX_FRAGS              AFTER(S_TX_FRAGFRAMES)
        { 5,  "tx_frags",       "frags",                "tx frags generated" },
#define S_SCAN_ACTIVE           AFTER(S_TX_FRAGS)
        { 5,  "scan_active",    "ascan",        "active scans started" },
#define S_SCAN_PASSIVE          AFTER(S_SCAN_ACTIVE)
        { 5,  "scan_passive",   "pscan",        "passive scans started" },
#define S_SCAN_BG               AFTER(S_SCAN_PASSIVE)
        { 5,  "scan_bg",        "bgscn",        "background scans started" },
#define S_NODE_TIMEOUT          AFTER(S_SCAN_BG)
        { 5,  "node_timeout",   "node_timeout", "nodes timed out for inactivity" },
#define S_CRYPTO_NOMEM          AFTER(S_NODE_TIMEOUT)
        { 5,  "crypto_nomem",   "crypto_nomem", "cipher context malloc failed" },
#define S_CRYPTO_TKIP           AFTER(S_CRYPTO_NOMEM)
        { 5,  "crypto_tkip",    "crypto_tkip",  "tkip crypto done in s/w" },
#define S_CRYPTO_TKIPENMIC      AFTER(S_CRYPTO_TKIP)
        { 5,  "crypto_tkipenmic","crypto_tkipenmic",    "tkip tx MIC done in s/w" },
#define S_CRYPTO_TKIPDEMIC      AFTER(S_CRYPTO_TKIPENMIC)
        { 5,  "crypto_tkipdemic","crypto_tkipdemic",    "tkip rx MIC done in s/w" },
#define S_CRYPTO_TKIPCM         AFTER(S_CRYPTO_TKIPDEMIC)
        { 5,  "crypto_tkipcm",  "crypto_tkipcm",        "tkip dropped frames 'cuz of countermeasures" },
#define S_CRYPTO_CCMP           AFTER(S_CRYPTO_TKIPCM)
        { 5,  "crypto_ccmp",    "crypto_ccmp",  "ccmp crypto done in s/w" },
#define S_CRYPTO_WEP            AFTER(S_CRYPTO_CCMP)
        { 5,  "crypto_wep",     "crypto_wep",   "wep crypto done in s/w" },
#define S_CRYPTO_SETKEY_CIPHER  AFTER(S_CRYPTO_WEP)
        { 5,  "crypto_setkey_cipher",   "crypto_setkey_cipher","setkey failed 'cuz cipher rejected data" },
#define S_CRYPTO_SETKEY_NOKEY   AFTER(S_CRYPTO_SETKEY_CIPHER)
        { 5,  "crypto_setkey_nokey",    "crypto_setkey_nokey","setkey failed 'cuz no key index" },
#define S_CRYPTO_DELKEY         AFTER(S_CRYPTO_SETKEY_NOKEY)
        { 5,  "crypto_delkey",  "crypto_delkey",        "driver key delete failed" },
#define S_CRYPTO_BADCIPHER      AFTER(S_CRYPTO_DELKEY)
        { 5,  "crypto_badcipher","crypto_badcipher",    "setkey failed 'cuz unknown cipher" },
#define S_CRYPTO_NOCIPHER       AFTER(S_CRYPTO_BADCIPHER)
        { 5,  "crypto_nocipher","crypto_nocipher",      "setkey failed 'cuz cipher module unavailable" },
#define S_CRYPTO_ATTACHFAIL     AFTER(S_CRYPTO_NOCIPHER)
        { 5,  "crypto_attachfail","crypto_attachfail",  "setkey failed 'cuz cipher attach failed" },
#define S_CRYPTO_SWFALLBACK     AFTER(S_CRYPTO_ATTACHFAIL)
        { 5,  "crypto_swfallback","crypto_swfallback",  "crypto fell back to s/w implementation" },
#define S_CRYPTO_KEYFAIL        AFTER(S_CRYPTO_SWFALLBACK)
        { 5,  "crypto_keyfail", "crypto_keyfail",       "setkey failed 'cuz driver key alloc failed" },
#define S_CRYPTO_ENMICFAIL      AFTER(S_CRYPTO_KEYFAIL)
        { 5,  "crypto_enmicfail","crypto_enmicfail",    "enmic failed (may be mbuf exhaustion)" },
#define S_IBSS_CAPMISMATCH      AFTER(S_CRYPTO_ENMICFAIL)
        { 5,  "ibss_capmismatch","ibss_capmismatch",    "ibss merge faied 'cuz capabilities mismatch" },
#define S_IBSS_NORATE           AFTER(S_IBSS_CAPMISMATCH)
        { 5,  "ibss_norate",    "ibss_norate",  "ibss merge faied 'cuz rate set mismatch" },
#define S_PS_UNASSOC            AFTER(S_IBSS_NORATE)
        { 5,  "ps_unassoc",     "ps_unassoc",   "ps-poll received for unassociated station" },
#define S_PS_BADAID             AFTER(S_PS_UNASSOC)
        { 5,  "ps_badaid",      "ps_badaid",    "ps-poll received with invalid association id" },
#define S_PS_QEMPTY             AFTER(S_PS_BADAID)
        { 5,  "ps_qempty",      "ps_qempty",    "ps-poll received with nothing to send" },
#define S_FF_BADHDR             AFTER(S_PS_QEMPTY)
        { 5,  "ff_badhdr",      "ff_badhdr",    "fast frame rx'd w/ bad hdr" },
#define S_FF_TOOSHORT           AFTER(S_FF_BADHDR)
        { 5,  "ff_tooshort",    "ff_tooshort",  "fast frame rx decap error" },
#define S_FF_SPLIT              AFTER(S_FF_TOOSHORT)
        { 5,  "ff_split",       "ff_split",     "fast frame rx split error" },
#define S_FF_DECAP              AFTER(S_FF_SPLIT)
        { 5,  "ff_decap",       "ff_decap",     "fast frames decap'd" },
#define S_FF_ENCAP              AFTER(S_FF_DECAP)
        { 5,  "ff_encap",       "ff_encap",     "fast frames encap'd for tx" },
#define S_FF_ENCAPFAIL          AFTER(S_FF_ENCAP)
        { 5,  "ff_encapfail",   "ff_encapfail", "fast frames encap failed" },
#define S_RX_BADBINTVAL         AFTER(S_FF_ENCAPFAIL)
        { 5,  "rx_badbintval",  "rx_badbintval","rx frame with bogus beacon interval" },
#define S_RX_MGMT               AFTER(S_RX_BADBINTVAL)
        { 8,  "rx_mgmt",        "mgmt",         "rx management frames" },
#define S_RX_DEMICFAIL          AFTER(S_RX_MGMT)
        { 5,  "rx_demicfail",   "rx_demicfail", "rx demic failed" },
#define S_RX_DEFRAG             AFTER(S_RX_DEMICFAIL)
        { 5,  "rx_defrag",      "rx_defrag",    "rx defragmentation failed" },
#define S_RX_ACTION             AFTER(S_RX_DEFRAG)
        { 5,  "rx_action",      "rx_action",    "rx action frames" },
#define S_AMSDU_TOOSHORT        AFTER(S_RX_ACTION)
        { 8,  "amsdu_tooshort", "tooshort","A-MSDU rx decap error" },
#define S_AMSDU_SPLIT           AFTER(S_AMSDU_TOOSHORT)
        { 8,  "amsdu_split",    "split",        "A-MSDU rx failed on frame split" },
#define S_AMSDU_DECAP           AFTER(S_AMSDU_SPLIT)
        { 8,  "amsdu_decap",    "decap",        "A-MSDU frames received" },
#define S_AMSDU_ENCAP           AFTER(S_AMSDU_DECAP)
        { 8,  "amsdu_encap",    "encap",        "A-MSDU frames transmitted" },
#define S_AMSDU_RX_MORE         AFTER(S_AMSDU_ENCAP)
        { 13,  "rx_amsdu_more", "rx_amsdu_more",        "A-MSDU HW intermediary decap'ed received" },
#define S_AMSDU_RX_MORE_END             AFTER(S_AMSDU_RX_MORE)
        { 17,  "rx_amsdu_more_end",     "rx_amsdu_more_end",    "A-MSDU HW end decap'ed received" },
#define S_AMPDU_REORDER         AFTER(S_AMSDU_RX_MORE_END)
        { 8,  "ampdu_reorder",  "reorder","A-MPDU frames held in reorder q" },
#define S_AMPDU_FLUSH           AFTER(S_AMPDU_REORDER)
        { 8,  "ampdu_flush",    "flush",        "A-MPDU frames sent up from reorder q" },
#define S_AMPDU_BARBAD          AFTER(S_AMPDU_FLUSH)
        { 6,  "ampdu_barbad",   "barbad",       "A-MPDU BAR rx before ADDBA exchange (or disabled with net.link.ieee80211)" },
#define S_AMPDU_BAROOW          AFTER(S_AMPDU_BARBAD)
        { 6,  "ampdu_baroow",   "baroow",       "A-MPDU BAR rx out of BA window" },
#define S_AMPDU_BARMOVE         AFTER(S_AMPDU_BAROOW)
        { 8,  "ampdu_barmove",  "barmove","A-MPDU BAR rx moved BA window" },
#define S_AMPDU_BAR             AFTER(S_AMPDU_BARMOVE)
        { 8,  "ampdu_bar",      "rxbar",        "A-MPDU BAR rx successful" },
#define S_AMPDU_MOVE            AFTER(S_AMPDU_BAR)
        { 5,  "ampdu_move",     "move", "A-MPDU frame moved BA window" },
#define S_AMPDU_OOR             AFTER(S_AMPDU_MOVE)
        { 8,  "ampdu_oor",      "oorx", "A-MPDU frames rx out-of-order" },
#define S_AMPDU_COPY            AFTER(S_AMPDU_OOR)
        { 8,  "ampdu_copy",     "copy", "A-MPDU rx window slots copied" },
#define S_AMPDU_DROP            AFTER(S_AMPDU_COPY)
        { 5,  "ampdu_drop",     "drop", "A-MPDU frames discarded for out of range seqno" },
#define S_AMPDU_AGE             AFTER(S_AMPDU_DROP)
        { 5,  "ampdu_age",      "age",  "A-MPDU frames sent up due to old age" },
#define S_AMPDU_STOP            AFTER(S_AMPDU_AGE)
        { 5,  "ampdu_stop",     "stop", "A-MPDU streams stopped" },
#define S_AMPDU_STOP_FAILED     AFTER(S_AMPDU_STOP)
        { 5,  "ampdu_stop_failed","!stop",      "A-MPDU stop requests failed 'cuz stream not running" },
#define S_ADDBA_REJECT          AFTER(S_AMPDU_STOP_FAILED)
        { 5,  "addba_reject",   "reject",       "ADDBA requests rejected 'cuz A-MPDU rx is disabled" },
#define S_ADDBA_NOREQUEST       AFTER(S_ADDBA_REJECT)
        { 5,  "addba_norequest","norequest","ADDBA response frames discarded because no ADDBA request was pending" },
#define S_ADDBA_BADTOKEN        AFTER(S_ADDBA_NOREQUEST)
        { 5,  "addba_badtoken", "badtoken","ADDBA response frames discarded 'cuz rx'd dialog token is wrong" },
#define S_TX_BADSTATE           AFTER(S_ADDBA_BADTOKEN)
        { 4,  "tx_badstate",    "badstate",     "tx failed 'cuz vap not in RUN state" },
#define S_TX_NOTASSOC           AFTER(S_TX_BADSTATE)
        { 4,  "tx_notassoc",    "notassoc",     "tx failed 'cuz dest sta not associated" },
#define S_TX_CLASSIFY           AFTER(S_TX_NOTASSOC)
        { 4,  "tx_classify",    "classify",     "tx packet classification failed" },
#define S_DWDS_MCAST            AFTER(S_TX_CLASSIFY)
        { 8,  "dwds_mcast",     "dwds_mcast",   "mcast frame transmitted on dwds vap discarded" },
#define S_DWDS_QDROP            AFTER(S_DWDS_MCAST)
        { 8,  "dwds_qdrop",     "dwds_qdrop",   "4-address frame discarded because dwds pending queue is full" },
#define S_HT_ASSOC_NOHTCAP      AFTER(S_DWDS_QDROP)
        { 4,  "ht_nohtcap",     "ht_nohtcap",   "non-HT station rejected in HT-only BSS" },
#define S_HT_ASSOC_DOWNGRADE    AFTER(S_HT_ASSOC_NOHTCAP)
        { 4,  "ht_downgrade",   "ht_downgrade", "HT station downgraded to legacy operation" },
#define S_HT_ASSOC_NORATE       AFTER(S_HT_ASSOC_DOWNGRADE)
        { 4,  "ht_norate",      "ht_norate",    "HT station rejected because of HT rate set" },
#define S_MESH_WRONGMESH        AFTER(S_HT_ASSOC_NORATE)
        { 4,  "mesh_wrong",     "mesh_wrong",   "frame discarded because sender not a mesh sta" },
#define S_MESH_NOLINK           AFTER(S_MESH_WRONGMESH)
        { 4,  "mesh_nolink",    "mesh_nolink",  "frame discarded because link not established" },
#define S_MESH_FWD_TTL          AFTER(S_MESH_NOLINK)
        { 4,  "mesh_fwd_ttl",   "mesh_fwd_ttl", "frame not forwarded because TTL zero" },
#define S_MESH_FWD_NOBUF        AFTER(S_MESH_FWD_TTL)
        { 4,  "mesh_fwd_nobuf", "mesh_fwd_nobuf",       "frame not forwarded because mbuf could not be allocated" },
#define S_MESH_FWD_TOOSHORT     AFTER(S_MESH_FWD_NOBUF)
        { 4,  "mesh_fwd_tooshort",      "mesh_fwd_tooshort",    "frame not forwarded because too short to have 802.11 header" },
#define S_MESH_FWD_DISABLED     AFTER(S_MESH_FWD_TOOSHORT)
        { 4,  "mesh_fwd_disabled",      "mesh_fwd_disabled",    "frame not forwarded because administratively disabled" },
#define S_MESH_FWD_NOPATH       AFTER(S_MESH_FWD_DISABLED)
        { 4,  "mesh_fwd_nopath",        "mesh_fwd_nopath",      "frame not forwarded because no path found to destination" },
#define S_HWMP_WRONGSEQ         AFTER(S_MESH_FWD_NOPATH)
        { 4,  "hwmp_wrongseq",  "hwmp_wrongseq",        "frame discarded because mesh sequence number is invalid" },
#define S_HWMP_ROOTREQS         AFTER(S_HWMP_WRONGSEQ)
        { 4,  "hwmp_rootreqs",  "hwmp_rootreqs",        "root PREQ frames sent" },
#define S_HWMP_ROOTANN          AFTER(S_HWMP_ROOTREQS)
        { 4,  "hwmp_rootann",   "hwmp_rootann", "root RANN frames received" },
#define S_MESH_BADAE            AFTER(S_HWMP_ROOTANN)
        { 4,  "mesh_badae",     "mesh_badae",   "frame discarded for bad AddressExtension (AE)" },
#define S_MESH_RTADDFAILED      AFTER(S_MESH_BADAE)
        { 4,  "mesh_rtadd",     "mesh_rtadd",   "mesh route add failed" },
#define S_MESH_NOTPROXY         AFTER(S_MESH_RTADDFAILED)
        { 8,  "mesh_notproxy",  "mesh_notproxy","frame discarded because station not acting as a proxy" },
#define S_RX_BADALIGN           AFTER(S_MESH_NOTPROXY)
        { 4,  "rx_badalign",    "rx_badalign","frame discarded because payload re-alignment failed" },
#define S_INPUT                 AFTER(S_RX_BADALIGN)
        { 8,    "input",        "input",        "total data frames received" },
#define S_RX_UCAST              AFTER(S_INPUT)
        { 8,    "rx_ucast",     "rx_ucast",     "unicast data frames received" },
#define S_RX_MCAST              AFTER(S_RX_UCAST)
        { 8,    "rx_mcast",     "rx_mcast",     "multicast data frames received" },
#define S_OUTPUT                AFTER(S_RX_MCAST)
        { 8,    "output",       "output",       "total data frames transmit" },
#define S_TX_UCAST              AFTER(S_OUTPUT)
        { 8,    "tx_ucast",     "tx_ucast",     "unicast data frames sent" },
#define S_TX_MCAST              AFTER(S_TX_UCAST)
        { 8,    "tx_mcast",     "tx_mcast",     "multicast data frames sent" },
#define S_RATE                  AFTER(S_TX_MCAST)
        { 7,    "rate",         "rate",         "current transmit rate" },
#define S_RSSI                  AFTER(S_RATE)
        { 6,    "rssi",         "rssi",         "current rssi" },
#define S_NOISE                 AFTER(S_RSSI)
        { 5,    "noise",        "noise",        "current noise floor (dBm)" },
#define S_SIGNAL                AFTER(S_NOISE)
        { 6,    "signal",       "sig",          "current signal (dBm)" },
#define S_BEACON_BAD            AFTER(S_SIGNAL)
        { 9,    "beacon_bad",   "beaconbad",    "bad beacons received" },
#define S_AMPDU_BARTX           AFTER(S_BEACON_BAD)
        { 5,    "ampdu_bartx",  "bartx",        "BAR frames sent" },
#define S_AMPDU_BARTX_FAIL      AFTER(S_AMPDU_BARTX)
        { 9,    "ampdu_bartxfail",      "bartx_fail",   "BAR frames failed to send" },
#define S_AMPDU_BARTX_RETRY     AFTER(S_AMPDU_BARTX_FAIL)
        { 10,   "ampdu_bartxretry",     "bartx_retry",  "BAR frames retried" },
#define S_CRYPTO_GCMP           AFTER(S_AMPDU_BARTX_RETRY)
        { 11,    "crypto_gcmp", "crypto_gcmp",  "gcmp crypto done in s/w" },
#define S_RX_GCMPREPLAY         AFTER(S_CRYPTO_GCMP)
        { 10,   "rx_gcmpreplay",        "gcmpreplay",   "rx seq# violation (GCMP)" },
#define S_RX_GCMPFORMAT         AFTER(S_RX_GCMPREPLAY)
        { 10,    "rx_gcmpformat",       "gcmpformat",   "rx format bad (GCMP)" },
#define S_RX_GCMPMIC            AFTER(S_RX_GCMPFORMAT)
        { 7,    "rx_gcmpmic",   "gcmpmic",      "rx MIC check failed (GCMP)" },
#define S_RX_GCMPNOMEM          AFTER(S_RX_GCMPMIC)
        { 9,    "gcmp_nomem",   "gcmpnomem",    "No memory available (GCMP)" },
#define S_RX_GCMPNOSPC          AFTER(S_RX_GCMPNOMEM)
        { 9,    "gcmp_nospc",   "gcmpnospc",    "No mbuf space available (GCMP)" },
#define S_CRYPTO_SWCIPHERFAIL   AFTER(S_RX_GCMPNOSPC)
        { 12,   "crypto_swcipherfail",  "swcipherfail", "No matching software cipher support" },
};

struct wlanstatfoo_p {
        struct wlanstatfoo base;
        int s;
        int opmode;
        uint8_t mac[IEEE80211_ADDR_LEN];
        struct ifreq ifr;
        struct ieee80211_stats cur;
        struct ieee80211_stats total;
        struct ieee80211req ireq;
        union {
                struct ieee80211req_sta_req info;
                char buf[1024];
        } u_info;
        struct ieee80211req_sta_stats ncur;
        struct ieee80211req_sta_stats ntotal;
};

static void
wlan_setifname(struct wlanstatfoo *wf0, const char *ifname)
{
        struct wlanstatfoo_p *wf = (struct wlanstatfoo_p *) wf0;

        strncpy(wf->ifr.ifr_name, ifname, sizeof (wf->ifr.ifr_name));
        strncpy(wf->ireq.i_name, ifname, sizeof (wf->ireq.i_name));
}

static const char *
wlan_getifname(struct wlanstatfoo *wf0)
{
        struct wlanstatfoo_p *wf = (struct wlanstatfoo_p *) wf0;

        return wf->ifr.ifr_name;
}

static int
wlan_getopmode(struct wlanstatfoo *wf0)
{
        struct wlanstatfoo_p *wf = (struct wlanstatfoo_p *) wf0;

        if (wf->opmode == -1) {
                struct ifmediareq ifmr;

                memset(&ifmr, 0, sizeof(ifmr));
                strlcpy(ifmr.ifm_name, wf->ifr.ifr_name, sizeof(ifmr.ifm_name));
                if (ioctl(wf->s, SIOCGIFMEDIA, &ifmr) < 0)
                        err(1, "%s (SIOCGIFMEDIA)", wf->ifr.ifr_name);
                if (ifmr.ifm_current & IFM_IEEE80211_ADHOC) {
                        if (ifmr.ifm_current & IFM_FLAG0)
                                wf->opmode = IEEE80211_M_AHDEMO;
                        else
                                wf->opmode = IEEE80211_M_IBSS;
                } else if (ifmr.ifm_current & IFM_IEEE80211_HOSTAP)
                        wf->opmode = IEEE80211_M_HOSTAP;
                else if (ifmr.ifm_current & IFM_IEEE80211_MONITOR)
                        wf->opmode = IEEE80211_M_MONITOR;
                else
                        wf->opmode = IEEE80211_M_STA;
        }
        return wf->opmode;
}

static void
getlladdr(struct wlanstatfoo_p *wf)
{
        const struct sockaddr_dl *sdl;
        struct ifaddrs *ifp, *p;

        if (getifaddrs(&ifp) != 0)
                err(1, "getifaddrs");
        for (p = ifp; p != NULL; p = p->ifa_next)
                if (strcmp(p->ifa_name, wf->ifr.ifr_name) == 0 &&
                    p->ifa_addr->sa_family == AF_LINK)
                        break;
        if (p == NULL)
                errx(1, "did not find link layer address for interface %s",
                        wf->ifr.ifr_name);
        sdl = (const struct sockaddr_dl *)(const void *)p->ifa_addr;
        IEEE80211_ADDR_COPY(wf->mac, sdl->sdl_data + sdl->sdl_nlen);
        freeifaddrs(ifp);
}

static int
getbssid(struct wlanstatfoo_p *wf)
{
        wf->ireq.i_type = IEEE80211_IOC_BSSID;
        wf->ireq.i_data = wf->mac;
        wf->ireq.i_len = IEEE80211_ADDR_LEN;
        return ioctl(wf->s, SIOCG80211, &wf->ireq);
}

static void
wlan_setstamac(struct wlanstatfoo *wf0, const uint8_t *mac)
{
        static const uint8_t zeromac[IEEE80211_ADDR_LEN];
        struct wlanstatfoo_p *wf = (struct wlanstatfoo_p *) wf0;

        if (mac == NULL) {
                switch (wlan_getopmode(wf0)) {
                case IEEE80211_M_HOSTAP:
                case IEEE80211_M_MONITOR:
                        getlladdr(wf);
                        break;
                case IEEE80211_M_IBSS:
                case IEEE80211_M_AHDEMO:
                        /*
                         * NB: this may not work in which case the
                         * mac must be specified on the command line
                         */
                        if (getbssid(wf) < 0 ||
                            IEEE80211_ADDR_EQ(wf->mac, zeromac))
                                getlladdr(wf);
                        break;
                case IEEE80211_M_STA:
                        if (getbssid(wf) < 0)
                                err(1, "%s (IEEE80211_IOC_BSSID)",
                                    wf->ireq.i_name);
                        break;
                }
        } else
                IEEE80211_ADDR_COPY(wf->mac, mac);
}

/* XXX only fetch what's needed to do reports */
static void
wlan_collect(struct wlanstatfoo_p *wf,
        struct ieee80211_stats *stats, struct ieee80211req_sta_stats *nstats)
{

        IEEE80211_ADDR_COPY(wf->u_info.info.is_u.macaddr, wf->mac);
        wf->ireq.i_type = IEEE80211_IOC_STA_INFO;
        wf->ireq.i_data = (caddr_t) &wf->u_info;
        wf->ireq.i_len = sizeof(wf->u_info);
        if (ioctl(wf->s, SIOCG80211, &wf->ireq) < 0) {
                warn("%s:%s (IEEE80211_IOC_STA_INFO)", wf->ireq.i_name,
                    ether_ntoa((const struct ether_addr*) wf->mac));
        }

        IEEE80211_ADDR_COPY(nstats->is_u.macaddr, wf->mac);
        wf->ireq.i_type = IEEE80211_IOC_STA_STATS;
        wf->ireq.i_data = (caddr_t) nstats;
        wf->ireq.i_len = sizeof(*nstats);
        if (ioctl(wf->s, SIOCG80211, &wf->ireq) < 0)
                warn("%s:%s (IEEE80211_IOC_STA_STATS)", wf->ireq.i_name,
                    ether_ntoa((const struct ether_addr*) wf->mac));

        wf->ifr.ifr_data = (caddr_t) stats;
        if (ioctl(wf->s, SIOCG80211STATS, &wf->ifr) < 0)
                err(1, "%s (SIOCG80211STATS)", wf->ifr.ifr_name);
}

static void
wlan_collect_cur(struct bsdstat *sf)
{
        struct wlanstatfoo_p *wf = (struct wlanstatfoo_p *) sf;

        wlan_collect(wf, &wf->cur, &wf->ncur);
}

static void
wlan_collect_tot(struct bsdstat *sf)
{
        struct wlanstatfoo_p *wf = (struct wlanstatfoo_p *) sf;

        wlan_collect(wf, &wf->total, &wf->ntotal);
}

static void
wlan_update_tot(struct bsdstat *sf)
{
        struct wlanstatfoo_p *wf = (struct wlanstatfoo_p *) sf;

        wf->total = wf->cur;
        wf->ntotal = wf->ncur;
}

static void
setreason(char b[], size_t bs, unsigned int v)
{
    static const char *reasons[] = {
        [IEEE80211_REASON_UNSPECIFIED]          = "unspecified",
        [IEEE80211_REASON_AUTH_EXPIRE]          = "auth expire",
        [IEEE80211_REASON_AUTH_LEAVE]           = "auth leave",
        [IEEE80211_REASON_ASSOC_EXPIRE]         = "assoc expire",
        [IEEE80211_REASON_ASSOC_TOOMANY]        = "assoc toomany",
        [IEEE80211_REASON_NOT_AUTHED]           = "not authed",
        [IEEE80211_REASON_NOT_ASSOCED]          = "not assoced",
        [IEEE80211_REASON_ASSOC_LEAVE]          = "assoc leave",
        [IEEE80211_REASON_ASSOC_NOT_AUTHED]     = "assoc not authed",
        [IEEE80211_REASON_DISASSOC_PWRCAP_BAD]  = "disassoc pwrcap bad",
        [IEEE80211_REASON_DISASSOC_SUPCHAN_BAD] = "disassoc supchan bad",
        [IEEE80211_REASON_IE_INVALID]           = "ie invalid",
        [IEEE80211_REASON_MIC_FAILURE]          = "mic failure",
        [IEEE80211_REASON_4WAY_HANDSHAKE_TIMEOUT]= "4-way handshake timeout",
        [IEEE80211_REASON_GROUP_KEY_UPDATE_TIMEOUT] = "group key update timeout",
        [IEEE80211_REASON_IE_IN_4WAY_DIFFERS]   = "ie in 4-way differs",
        [IEEE80211_REASON_GROUP_CIPHER_INVALID] = "group cipher invalid",
        [IEEE80211_REASON_PAIRWISE_CIPHER_INVALID]= "pairwise cipher invalid",
        [IEEE80211_REASON_AKMP_INVALID]         = "akmp invalid",
        [IEEE80211_REASON_UNSUPP_RSN_IE_VERSION]= "unsupported rsn ie version",
        [IEEE80211_REASON_INVALID_RSN_IE_CAP]   = "invalid rsn ie cap",
        [IEEE80211_REASON_802_1X_AUTH_FAILED]   = "802.1x auth failed",
        [IEEE80211_REASON_CIPHER_SUITE_REJECTED]= "cipher suite rejected",
    };
    if (v < nitems(reasons) && reasons[v] != NULL)
            snprintf(b, bs, "%s (%u)", reasons[v], v);
    else
            snprintf(b, bs, "%u", v);
}

static void
setstatus(char b[], size_t bs, unsigned int v)
{
    static const char *status[] = {
        [IEEE80211_STATUS_SUCCESS]              = "success",
        [IEEE80211_STATUS_UNSPECIFIED]          = "unspecified",
        [IEEE80211_STATUS_CAPINFO]              = "capinfo",
        [IEEE80211_STATUS_NOT_ASSOCED]          = "not assoced",
        [IEEE80211_STATUS_OTHER]                = "other",
        [IEEE80211_STATUS_ALG]                  = "algorithm",
        [IEEE80211_STATUS_SEQUENCE]             = "sequence",
        [IEEE80211_STATUS_CHALLENGE]            = "challenge",
        [IEEE80211_STATUS_TIMEOUT]              = "timeout",
        [IEEE80211_STATUS_TOOMANY]              = "toomany",
        [IEEE80211_STATUS_BASIC_RATE]           = "basic rate",
        [IEEE80211_STATUS_SP_REQUIRED]          = "sp required",
        [IEEE80211_STATUS_PBCC_REQUIRED]        = "pbcc required",
        [IEEE80211_STATUS_CA_REQUIRED]          = "ca required",
        [IEEE80211_STATUS_SPECMGMT_REQUIRED]    = "specmgmt required",
        [IEEE80211_STATUS_PWRCAP_REQUIRED]      = "pwrcap required",
        [IEEE80211_STATUS_SUPCHAN_REQUIRED]     = "supchan required",
        [IEEE80211_STATUS_SHORTSLOT_REQUIRED]   = "shortslot required",
        [IEEE80211_STATUS_DSSSOFDM_REQUIRED]    = "dsssofdm required",
        [IEEE80211_STATUS_INVALID_IE]           = "invalid ie",
        [IEEE80211_STATUS_GROUP_CIPHER_INVALID] = "group cipher invalid",
        [IEEE80211_STATUS_PAIRWISE_CIPHER_INVALID]= "pairwise cipher invalid",
        [IEEE80211_STATUS_AKMP_INVALID]         = "akmp invalid",
        [IEEE80211_STATUS_UNSUPP_RSN_IE_VERSION]= "unsupported rsn ie version",
        [IEEE80211_STATUS_INVALID_RSN_IE_CAP]   = "invalid rsn ie cap",
        [IEEE80211_STATUS_CIPHER_SUITE_REJECTED]= "cipher suite rejected",
    };
    if (v < nitems(status) && status[v] != NULL)
            snprintf(b, bs, "%s (%u)", status[v], v);
    else
            snprintf(b, bs, "%u", v);
}

static int
wlan_getinfo(struct wlanstatfoo_p *wf, int s, char b[], size_t bs)
{
        const struct ieee80211req_sta_info *si = &wf->u_info.info.info[0];

        switch (s) {
        case S_RATE:
                snprintf(b, bs, "%.1fM", (float) si->isi_txmbps/2.0);
                return 1;
        case S_RSSI:
                snprintf(b, bs, "%.1f", (float) si->isi_rssi/2.0);
                return 1;
        case S_NOISE:
                snprintf(b, bs, "%d", si->isi_noise);
                return 1;
        case S_SIGNAL:
                snprintf(b, bs, "%.1f", (float) si->isi_rssi/2.0
                    + (float) si->isi_noise);
                return 1;
        case S_RX_AUTH_FAIL_CODE:
                if (wf->cur.is_rx_authfail_code == 0)
                        break;
                setstatus(b, bs, wf->cur.is_rx_authfail_code);
                return 1;
        case S_RX_DEAUTH_CODE:
                if (wf->cur.is_rx_deauth_code == 0)
                        break;
                setreason(b, bs, wf->cur.is_rx_deauth_code);
                return 1;
        case S_RX_DISASSOC_CODE:
                if (wf->cur.is_rx_disassoc_code == 0)
                        break;
                setreason(b, bs, wf->cur.is_rx_disassoc_code);
                return 1;
        }
        b[0] = '\0';
        return 0;
}

static int
wlan_get_curstat(struct bsdstat *sf, int s, char b[], size_t bs)
{
        struct wlanstatfoo_p *wf = (struct wlanstatfoo_p *) sf;
#define STAT(x) \
        snprintf(b, bs, "%u", wf->cur.is_##x - wf->total.is_##x); return 1
#define NSTAT(x) \
        snprintf(b, bs, "%u", \
            wf->ncur.is_stats.ns_##x - wf->ntotal.is_stats.ns_##x); \
            return 1

        switch (s) {
        case S_RX_BADVERSION:   STAT(rx_badversion);
        case S_RX_TOOSHORT:     STAT(rx_tooshort);
        case S_RX_WRONGBSS:     STAT(rx_wrongbss);
        case S_RX_DUP:          STAT(rx_dup);
        case S_RX_WRONGDIR:     STAT(rx_wrongdir);
        case S_RX_MCASTECHO:    STAT(rx_mcastecho);
        case S_RX_NOTASSOC:     STAT(rx_notassoc);
        case S_RX_NOPRIVACY:    STAT(rx_noprivacy);
        case S_RX_UNENCRYPTED:  STAT(rx_unencrypted);
        case S_RX_WEPFAIL:      STAT(rx_wepfail);
        case S_RX_DECAP:        STAT(rx_decap);
        case S_RX_MGTDISCARD:   STAT(rx_mgtdiscard);
        case S_RX_CTL:          STAT(rx_ctl);
        case S_RX_BEACON:       STAT(rx_beacon);
        case S_RX_RSTOOBIG:     STAT(rx_rstoobig);
        case S_RX_ELEM_MISSING: STAT(rx_elem_missing);
        case S_RX_ELEM_TOOBIG:  STAT(rx_elem_toobig);
        case S_RX_ELEM_TOOSMALL:        STAT(rx_elem_toosmall);
        case S_RX_ELEM_UNKNOWN: STAT(rx_elem_unknown);
        case S_RX_BADCHAN:      STAT(rx_badchan);
        case S_RX_CHANMISMATCH: STAT(rx_chanmismatch);
        case S_RX_NODEALLOC:    STAT(rx_nodealloc);
        case S_RX_SSIDMISMATCH: STAT(rx_ssidmismatch);
        case S_RX_AUTH_UNSUPPORTED:     STAT(rx_auth_unsupported);
        case S_RX_AUTH_FAIL:    STAT(rx_auth_fail);
        case S_RX_AUTH_COUNTERMEASURES: STAT(rx_auth_countermeasures);
        case S_RX_ASSOC_BSS:    STAT(rx_assoc_bss);
        case S_RX_ASSOC_NOTAUTH:        STAT(rx_assoc_notauth);
        case S_RX_ASSOC_CAPMISMATCH:    STAT(rx_assoc_capmismatch);
        case S_RX_ASSOC_NORATE: STAT(rx_assoc_norate);
        case S_RX_ASSOC_BADWPAIE:       STAT(rx_assoc_badwpaie);
        case S_RX_DEAUTH:       STAT(rx_deauth);
        case S_RX_DISASSOC:     STAT(rx_disassoc);
        case S_BMISS:           STAT(beacon_miss);
        case S_RX_BADSUBTYPE:   STAT(rx_badsubtype);
        case S_RX_NOBUF:        STAT(rx_nobuf);
        case S_RX_DECRYPTCRC:   STAT(rx_decryptcrc);
        case S_RX_AHDEMO_MGT:   STAT(rx_ahdemo_mgt);
        case S_RX_BAD_AUTH:     STAT(rx_bad_auth);
        case S_RX_UNAUTH:       STAT(rx_unauth);
        case S_RX_BADKEYID:     STAT(rx_badkeyid);
        case S_RX_CCMPREPLAY:   STAT(rx_ccmpreplay);
        case S_RX_CCMPFORMAT:   STAT(rx_ccmpformat);
        case S_RX_CCMPMIC:      STAT(rx_ccmpmic);
        case S_RX_TKIPREPLAY:   STAT(rx_tkipreplay);
        case S_RX_TKIPFORMAT:   STAT(rx_tkipformat);
        case S_RX_TKIPMIC:      STAT(rx_tkipmic);
        case S_RX_TKIPICV:      STAT(rx_tkipicv);
        case S_RX_BADCIPHER:    STAT(rx_badcipher);
        case S_RX_NOCIPHERCTX:  STAT(rx_nocipherctx);
        case S_RX_ACL:          STAT(rx_acl);
        case S_TX_NOBUF:        STAT(tx_nobuf);
        case S_TX_NONODE:       STAT(tx_nonode);
        case S_TX_UNKNOWNMGT:   STAT(tx_unknownmgt);
        case S_TX_BADCIPHER:    STAT(tx_badcipher);
        case S_TX_NODEFKEY:     STAT(tx_nodefkey);
        case S_TX_NOHEADROOM:   STAT(tx_noheadroom);
        case S_TX_FRAGFRAMES:   STAT(tx_fragframes);
        case S_TX_FRAGS:        STAT(tx_frags);
        case S_SCAN_ACTIVE:     STAT(scan_active);
        case S_SCAN_PASSIVE:    STAT(scan_passive);
        case S_SCAN_BG:         STAT(scan_bg);
        case S_NODE_TIMEOUT:    STAT(node_timeout);
        case S_CRYPTO_NOMEM:    STAT(crypto_nomem);
        case S_CRYPTO_TKIP:     STAT(crypto_tkip);
        case S_CRYPTO_TKIPENMIC:        STAT(crypto_tkipenmic);
        case S_CRYPTO_TKIPDEMIC:        STAT(crypto_tkipdemic);
        case S_CRYPTO_TKIPCM:   STAT(crypto_tkipcm);
        case S_CRYPTO_CCMP:     STAT(crypto_ccmp);
        case S_CRYPTO_WEP:      STAT(crypto_wep);
        case S_CRYPTO_SETKEY_CIPHER:    STAT(crypto_setkey_cipher);
        case S_CRYPTO_SETKEY_NOKEY:     STAT(crypto_setkey_nokey);
        case S_CRYPTO_DELKEY:   STAT(crypto_delkey);
        case S_CRYPTO_BADCIPHER:        STAT(crypto_badcipher);
        case S_CRYPTO_NOCIPHER: STAT(crypto_nocipher);
        case S_CRYPTO_ATTACHFAIL:       STAT(crypto_attachfail);
        case S_CRYPTO_SWFALLBACK:       STAT(crypto_swfallback);
        case S_CRYPTO_KEYFAIL:  STAT(crypto_keyfail);
        case S_CRYPTO_ENMICFAIL:        STAT(crypto_enmicfail);
        case S_IBSS_CAPMISMATCH:        STAT(ibss_capmismatch);
        case S_IBSS_NORATE:     STAT(ibss_norate);
        case S_PS_UNASSOC:      STAT(ps_unassoc);
        case S_PS_BADAID:       STAT(ps_badaid);
        case S_PS_QEMPTY:       STAT(ps_qempty);
        case S_FF_BADHDR:       STAT(ff_badhdr);
        case S_FF_TOOSHORT:     STAT(ff_tooshort);
        case S_FF_SPLIT:        STAT(ff_split);
        case S_FF_DECAP:        STAT(ff_decap);
        case S_FF_ENCAP:        STAT(ff_encap);
        case S_FF_ENCAPFAIL:    STAT(ff_encapfail);
        case S_RX_BADBINTVAL:   STAT(rx_badbintval);
        case S_RX_MGMT:         STAT(rx_mgmt);
        case S_RX_DEMICFAIL:    STAT(rx_demicfail);
        case S_RX_DEFRAG:       STAT(rx_defrag);
        case S_RX_ACTION:       STAT(rx_action);
        case S_AMSDU_TOOSHORT:  STAT(amsdu_tooshort);
        case S_AMSDU_SPLIT:     STAT(amsdu_split);
        case S_AMSDU_DECAP:     STAT(amsdu_decap);
        case S_AMSDU_ENCAP:     STAT(amsdu_encap);
        case S_AMSDU_RX_MORE:   NSTAT(rx_amsdu_more);
        case S_AMSDU_RX_MORE_END:       NSTAT(rx_amsdu_more_end);
        case S_AMPDU_REORDER:   STAT(ampdu_rx_reorder);
        case S_AMPDU_FLUSH:     STAT(ampdu_rx_flush);
        case S_AMPDU_BARBAD:    STAT(ampdu_bar_bad);
        case S_AMPDU_BAROOW:    STAT(ampdu_bar_oow);
        case S_AMPDU_BARMOVE:   STAT(ampdu_bar_move);
        case S_AMPDU_BAR:       STAT(ampdu_bar_rx);
        case S_AMPDU_MOVE:      STAT(ampdu_rx_move);
        case S_AMPDU_OOR:       STAT(ampdu_rx_oor);
        case S_AMPDU_COPY:      STAT(ampdu_rx_copy);
        case S_AMPDU_DROP:      STAT(ampdu_rx_drop);
        case S_AMPDU_AGE:       STAT(ampdu_rx_age);
        case S_AMPDU_STOP:      STAT(ampdu_stop);
        case S_AMPDU_STOP_FAILED:STAT(ampdu_stop_failed);
        case S_ADDBA_REJECT:    STAT(addba_reject);
        case S_ADDBA_NOREQUEST: STAT(addba_norequest);
        case S_ADDBA_BADTOKEN:  STAT(addba_badtoken);
        case S_TX_BADSTATE:     STAT(tx_badstate);
        case S_TX_NOTASSOC:     STAT(tx_notassoc);
        case S_TX_CLASSIFY:     STAT(tx_classify);
        case S_DWDS_MCAST:      STAT(dwds_mcast);
        case S_DWDS_QDROP:      STAT(dwds_qdrop);
        case S_HT_ASSOC_NOHTCAP:STAT(ht_assoc_nohtcap);
        case S_HT_ASSOC_DOWNGRADE:STAT(ht_assoc_downgrade);
        case S_HT_ASSOC_NORATE: STAT(ht_assoc_norate);
        case S_MESH_WRONGMESH:  STAT(mesh_wrongmesh);
        case S_MESH_NOLINK:     STAT(mesh_nolink);
        case S_MESH_FWD_TTL:    STAT(mesh_fwd_ttl);
        case S_MESH_FWD_NOBUF:  STAT(mesh_fwd_nobuf);
        case S_MESH_FWD_TOOSHORT: STAT(mesh_fwd_tooshort);
        case S_MESH_FWD_DISABLED: STAT(mesh_fwd_disabled);
        case S_MESH_FWD_NOPATH: STAT(mesh_fwd_nopath);
        case S_HWMP_WRONGSEQ:   STAT(hwmp_wrongseq);
        case S_HWMP_ROOTREQS:   STAT(hwmp_rootreqs);
        case S_HWMP_ROOTANN:    STAT(hwmp_rootrann);
        case S_MESH_BADAE:      STAT(mesh_badae);
        case S_MESH_RTADDFAILED:STAT(mesh_rtaddfailed);
        case S_MESH_NOTPROXY:   STAT(mesh_notproxy);
        case S_RX_BADALIGN:     STAT(rx_badalign);
        case S_INPUT:           NSTAT(rx_data);
        case S_OUTPUT:          NSTAT(tx_data);
        case S_RX_UCAST:        NSTAT(rx_ucast);
        case S_RX_MCAST:        NSTAT(rx_mcast);
        case S_TX_UCAST:        NSTAT(tx_ucast);
        case S_TX_MCAST:        NSTAT(tx_mcast);
        case S_BEACON_BAD:      STAT(beacon_bad);
        case S_AMPDU_BARTX:     STAT(ampdu_bar_tx);
        case S_AMPDU_BARTX_RETRY:       STAT(ampdu_bar_tx_retry);
        case S_AMPDU_BARTX_FAIL:        STAT(ampdu_bar_tx_fail);
        case S_CRYPTO_GCMP:     STAT(crypto_gcmp);
        case S_RX_GCMPREPLAY:   STAT(rx_gcmpreplay);
        case S_RX_GCMPFORMAT:   STAT(rx_gcmpformat);
        case S_RX_GCMPMIC:      STAT(rx_gcmpmic);
        case S_RX_GCMPNOMEM:    STAT(crypto_gcmp_nomem);
        case S_RX_GCMPNOSPC:    STAT(crypto_gcmp_nospc);
        case S_CRYPTO_SWCIPHERFAIL:     STAT(crypto_swcipherfail);
        }
        return wlan_getinfo(wf, s, b, bs);
#undef NSTAT
#undef STAT
}

static int
wlan_get_totstat(struct bsdstat *sf, int s, char b[], size_t bs)
{
        struct wlanstatfoo_p *wf = (struct wlanstatfoo_p *) sf;
#define STAT(x) \
        snprintf(b, bs, "%u", wf->total.is_##x); return 1
#define NSTAT(x) \
        snprintf(b, bs, "%u", wf->ntotal.is_stats.ns_##x); return 1

        switch (s) {
        case S_RX_BADVERSION:   STAT(rx_badversion);
        case S_RX_TOOSHORT:     STAT(rx_tooshort);
        case S_RX_WRONGBSS:     STAT(rx_wrongbss);
        case S_RX_DUP:  STAT(rx_dup);
        case S_RX_WRONGDIR:     STAT(rx_wrongdir);
        case S_RX_MCASTECHO:    STAT(rx_mcastecho);
        case S_RX_NOTASSOC:     STAT(rx_notassoc);
        case S_RX_NOPRIVACY:    STAT(rx_noprivacy);
        case S_RX_UNENCRYPTED:  STAT(rx_unencrypted);
        case S_RX_WEPFAIL:      STAT(rx_wepfail);
        case S_RX_DECAP:        STAT(rx_decap);
        case S_RX_MGTDISCARD:   STAT(rx_mgtdiscard);
        case S_RX_CTL:          STAT(rx_ctl);
        case S_RX_BEACON:       STAT(rx_beacon);
        case S_RX_RSTOOBIG:     STAT(rx_rstoobig);
        case S_RX_ELEM_MISSING: STAT(rx_elem_missing);
        case S_RX_ELEM_TOOBIG:  STAT(rx_elem_toobig);
        case S_RX_ELEM_TOOSMALL:        STAT(rx_elem_toosmall);
        case S_RX_ELEM_UNKNOWN: STAT(rx_elem_unknown);
        case S_RX_BADCHAN:      STAT(rx_badchan);
        case S_RX_CHANMISMATCH: STAT(rx_chanmismatch);
        case S_RX_NODEALLOC:    STAT(rx_nodealloc);
        case S_RX_SSIDMISMATCH: STAT(rx_ssidmismatch);
        case S_RX_AUTH_UNSUPPORTED:     STAT(rx_auth_unsupported);
        case S_RX_AUTH_FAIL:    STAT(rx_auth_fail);
        case S_RX_AUTH_COUNTERMEASURES: STAT(rx_auth_countermeasures);
        case S_RX_ASSOC_BSS:    STAT(rx_assoc_bss);
        case S_RX_ASSOC_NOTAUTH:        STAT(rx_assoc_notauth);
        case S_RX_ASSOC_CAPMISMATCH:    STAT(rx_assoc_capmismatch);
        case S_RX_ASSOC_NORATE: STAT(rx_assoc_norate);
        case S_RX_ASSOC_BADWPAIE:       STAT(rx_assoc_badwpaie);
        case S_RX_DEAUTH:       STAT(rx_deauth);
        case S_RX_DISASSOC:     STAT(rx_disassoc);
        case S_BMISS:           STAT(beacon_miss);
        case S_RX_BADSUBTYPE:   STAT(rx_badsubtype);
        case S_RX_NOBUF:        STAT(rx_nobuf);
        case S_RX_DECRYPTCRC:   STAT(rx_decryptcrc);
        case S_RX_AHDEMO_MGT:   STAT(rx_ahdemo_mgt);
        case S_RX_BAD_AUTH:     STAT(rx_bad_auth);
        case S_RX_UNAUTH:       STAT(rx_unauth);
        case S_RX_BADKEYID:     STAT(rx_badkeyid);
        case S_RX_CCMPREPLAY:   STAT(rx_ccmpreplay);
        case S_RX_CCMPFORMAT:   STAT(rx_ccmpformat);
        case S_RX_CCMPMIC:      STAT(rx_ccmpmic);
        case S_RX_TKIPREPLAY:   STAT(rx_tkipreplay);
        case S_RX_TKIPFORMAT:   STAT(rx_tkipformat);
        case S_RX_TKIPMIC:      STAT(rx_tkipmic);
        case S_RX_TKIPICV:      STAT(rx_tkipicv);
        case S_RX_BADCIPHER:    STAT(rx_badcipher);
        case S_RX_NOCIPHERCTX:  STAT(rx_nocipherctx);
        case S_RX_ACL:          STAT(rx_acl);
        case S_TX_NOBUF:        STAT(tx_nobuf);
        case S_TX_NONODE:       STAT(tx_nonode);
        case S_TX_UNKNOWNMGT:   STAT(tx_unknownmgt);
        case S_TX_BADCIPHER:    STAT(tx_badcipher);
        case S_TX_NODEFKEY:     STAT(tx_nodefkey);
        case S_TX_NOHEADROOM:   STAT(tx_noheadroom);
        case S_TX_FRAGFRAMES:   STAT(tx_fragframes);
        case S_TX_FRAGS:        STAT(tx_frags);
        case S_SCAN_ACTIVE:     STAT(scan_active);
        case S_SCAN_PASSIVE:    STAT(scan_passive);
        case S_SCAN_BG:         STAT(scan_bg);
        case S_NODE_TIMEOUT:    STAT(node_timeout);
        case S_CRYPTO_NOMEM:    STAT(crypto_nomem);
        case S_CRYPTO_TKIP:     STAT(crypto_tkip);
        case S_CRYPTO_TKIPENMIC:        STAT(crypto_tkipenmic);
        case S_CRYPTO_TKIPDEMIC:        STAT(crypto_tkipdemic);
        case S_CRYPTO_TKIPCM:   STAT(crypto_tkipcm);
        case S_CRYPTO_CCMP:     STAT(crypto_ccmp);
        case S_CRYPTO_WEP:      STAT(crypto_wep);
        case S_CRYPTO_SETKEY_CIPHER:    STAT(crypto_setkey_cipher);
        case S_CRYPTO_SETKEY_NOKEY:     STAT(crypto_setkey_nokey);
        case S_CRYPTO_DELKEY:   STAT(crypto_delkey);
        case S_CRYPTO_BADCIPHER:        STAT(crypto_badcipher);
        case S_CRYPTO_NOCIPHER: STAT(crypto_nocipher);
        case S_CRYPTO_ATTACHFAIL:       STAT(crypto_attachfail);
        case S_CRYPTO_SWFALLBACK:       STAT(crypto_swfallback);
        case S_CRYPTO_KEYFAIL:  STAT(crypto_keyfail);
        case S_CRYPTO_ENMICFAIL:        STAT(crypto_enmicfail);
        case S_IBSS_CAPMISMATCH:        STAT(ibss_capmismatch);
        case S_IBSS_NORATE:     STAT(ibss_norate);
        case S_PS_UNASSOC:      STAT(ps_unassoc);
        case S_PS_BADAID:       STAT(ps_badaid);
        case S_PS_QEMPTY:       STAT(ps_qempty);
        case S_FF_BADHDR:       STAT(ff_badhdr);
        case S_FF_TOOSHORT:     STAT(ff_tooshort);
        case S_FF_SPLIT:        STAT(ff_split);
        case S_FF_DECAP:        STAT(ff_decap);
        case S_FF_ENCAP:        STAT(ff_encap);
        case S_FF_ENCAPFAIL:    STAT(ff_encapfail);
        case S_RX_BADBINTVAL:   STAT(rx_badbintval);
        case S_RX_MGMT:         STAT(rx_mgmt);
        case S_RX_DEMICFAIL:    STAT(rx_demicfail);
        case S_RX_DEFRAG:       STAT(rx_defrag);
        case S_RX_ACTION:       STAT(rx_action);
        case S_AMSDU_TOOSHORT:  STAT(amsdu_tooshort);
        case S_AMSDU_SPLIT:     STAT(amsdu_split);
        case S_AMSDU_DECAP:     STAT(amsdu_decap);
        case S_AMSDU_ENCAP:     STAT(amsdu_encap);
        case S_AMSDU_RX_MORE:   NSTAT(rx_amsdu_more);
        case S_AMSDU_RX_MORE_END:       NSTAT(rx_amsdu_more_end);
        case S_AMPDU_REORDER:   STAT(ampdu_rx_reorder);
        case S_AMPDU_FLUSH:     STAT(ampdu_rx_flush);
        case S_AMPDU_BARBAD:    STAT(ampdu_bar_bad);
        case S_AMPDU_BAROOW:    STAT(ampdu_bar_oow);
        case S_AMPDU_BARMOVE:   STAT(ampdu_bar_move);
        case S_AMPDU_BAR:       STAT(ampdu_bar_rx);
        case S_AMPDU_MOVE:      STAT(ampdu_rx_move);
        case S_AMPDU_OOR:       STAT(ampdu_rx_oor);
        case S_AMPDU_COPY:      STAT(ampdu_rx_copy);
        case S_AMPDU_DROP:      STAT(ampdu_rx_drop);
        case S_AMPDU_AGE:       STAT(ampdu_rx_age);
        case S_AMPDU_STOP:      STAT(ampdu_stop);
        case S_AMPDU_STOP_FAILED:STAT(ampdu_stop_failed);
        case S_ADDBA_REJECT:    STAT(addba_reject);
        case S_ADDBA_NOREQUEST: STAT(addba_norequest);
        case S_ADDBA_BADTOKEN:  STAT(addba_badtoken);
        case S_TX_BADSTATE:     STAT(tx_badstate);
        case S_TX_NOTASSOC:     STAT(tx_notassoc);
        case S_TX_CLASSIFY:     STAT(tx_classify);
        case S_DWDS_MCAST:      STAT(dwds_mcast);
        case S_DWDS_QDROP:      STAT(dwds_qdrop);
        case S_HT_ASSOC_NOHTCAP:STAT(ht_assoc_nohtcap);
        case S_HT_ASSOC_DOWNGRADE:STAT(ht_assoc_downgrade);
        case S_HT_ASSOC_NORATE: STAT(ht_assoc_norate);
        case S_MESH_WRONGMESH:  STAT(mesh_wrongmesh);
        case S_MESH_NOLINK:     STAT(mesh_nolink);
        case S_MESH_FWD_TTL:    STAT(mesh_fwd_ttl);
        case S_MESH_FWD_NOBUF:  STAT(mesh_fwd_nobuf);
        case S_MESH_FWD_TOOSHORT: STAT(mesh_fwd_tooshort);
        case S_MESH_FWD_DISABLED: STAT(mesh_fwd_disabled);
        case S_MESH_FWD_NOPATH: STAT(mesh_fwd_nopath);
        case S_HWMP_WRONGSEQ:   STAT(hwmp_wrongseq);
        case S_HWMP_ROOTREQS:   STAT(hwmp_rootreqs);
        case S_HWMP_ROOTANN:    STAT(hwmp_rootrann);
        case S_MESH_BADAE:      STAT(mesh_badae);
        case S_MESH_RTADDFAILED:STAT(mesh_rtaddfailed);
        case S_MESH_NOTPROXY:   STAT(mesh_notproxy);
        case S_RX_BADALIGN:     STAT(rx_badalign);
        case S_INPUT:           NSTAT(rx_data);
        case S_OUTPUT:          NSTAT(tx_data);
        case S_RX_UCAST:        NSTAT(rx_ucast);
        case S_RX_MCAST:        NSTAT(rx_mcast);
        case S_TX_UCAST:        NSTAT(tx_ucast);
        case S_TX_MCAST:        NSTAT(tx_mcast);
        case S_BEACON_BAD:      STAT(beacon_bad);
        case S_AMPDU_BARTX:     STAT(ampdu_bar_tx);
        case S_AMPDU_BARTX_RETRY:       STAT(ampdu_bar_tx_retry);
        case S_AMPDU_BARTX_FAIL:        STAT(ampdu_bar_tx_fail);
        case S_CRYPTO_GCMP:     STAT(crypto_gcmp);
        case S_RX_GCMPREPLAY:   STAT(rx_gcmpreplay);
        case S_RX_GCMPFORMAT:   STAT(rx_gcmpformat);
        case S_RX_GCMPMIC:      STAT(rx_gcmpmic);
        case S_RX_GCMPNOMEM:    STAT(crypto_gcmp_nomem);
        case S_RX_GCMPNOSPC:    STAT(crypto_gcmp_nospc);
        case S_CRYPTO_SWCIPHERFAIL:     STAT(crypto_swcipherfail);
        }
        return wlan_getinfo(wf, s, b, bs);
#undef NSTAT
#undef STAT
}

BSDSTAT_DEFINE_BOUNCE(wlanstatfoo)

struct wlanstatfoo *
wlanstat_new(const char *ifname, const char *fmtstring)
{
        struct wlanstatfoo_p *wf;

        wf = calloc(1, sizeof(struct wlanstatfoo_p));
        if (wf != NULL) {
                bsdstat_init(&wf->base.base, "wlanstat", wlanstat,
                    nitems(wlanstat));
                /* override base methods */
                wf->base.base.collect_cur = wlan_collect_cur;
                wf->base.base.collect_tot = wlan_collect_tot;
                wf->base.base.get_curstat = wlan_get_curstat;
                wf->base.base.get_totstat = wlan_get_totstat;
                wf->base.base.update_tot = wlan_update_tot;

                /* setup bounce functions for public methods */
                BSDSTAT_BOUNCE(wf, wlanstatfoo);

                /* setup our public methods */
                wf->base.setifname = wlan_setifname;
                wf->base.getifname = wlan_getifname;
                wf->base.getopmode = wlan_getopmode;
                wf->base.setstamac = wlan_setstamac;
                wf->opmode = -1;

                wf->s = socket(AF_INET, SOCK_DGRAM, 0);
                if (wf->s < 0)
                        err(1, "socket");

                wlan_setifname(&wf->base, ifname);
                wf->base.setfmt(&wf->base, fmtstring);
        }
        return &wf->base;
}