diff options
Diffstat (limited to 'freebsd/net80211/ieee80211.h')
| -rw-r--r-- | freebsd/net80211/ieee80211.h | 1087 |
1 files changed, 1087 insertions, 0 deletions
diff --git a/freebsd/net80211/ieee80211.h b/freebsd/net80211/ieee80211.h new file mode 100644 index 00000000..6019e0ed --- /dev/null +++ b/freebsd/net80211/ieee80211.h @@ -0,0 +1,1087 @@ +/*- + * Copyright (c) 2001 Atsushi Onoe + * Copyright (c) 2002-2009 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. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, 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 DAMAGE. + * + * $FreeBSD$ + */ +#ifndef _NET80211_IEEE80211_HH_ +#define _NET80211_IEEE80211_HH_ + +/* + * 802.11 protocol definitions. + */ + +#define IEEE80211_ADDR_LEN 6 /* size of 802.11 address */ +/* is 802.11 address multicast/broadcast? */ +#define IEEE80211_IS_MULTICAST(_a) (*(_a) & 0x01) + +typedef uint16_t ieee80211_seq; + +/* IEEE 802.11 PLCP header */ +struct ieee80211_plcp_hdr { + uint16_t i_sfd; + uint8_t i_signal; + uint8_t i_service; + uint16_t i_length; + uint16_t i_crc; +} __packed; + +#define IEEE80211_PLCP_SFD 0xF3A0 +#define IEEE80211_PLCP_SERVICE 0x00 +#define IEEE80211_PLCP_SERVICE_LOCKED 0x04 +#define IEEE80211_PLCL_SERVICE_PBCC 0x08 +#define IEEE80211_PLCP_SERVICE_LENEXT5 0x20 +#define IEEE80211_PLCP_SERVICE_LENEXT6 0x40 +#define IEEE80211_PLCP_SERVICE_LENEXT7 0x80 + +/* + * generic definitions for IEEE 802.11 frames + */ +struct ieee80211_frame { + uint8_t i_fc[2]; + uint8_t i_dur[2]; + uint8_t i_addr1[IEEE80211_ADDR_LEN]; + uint8_t i_addr2[IEEE80211_ADDR_LEN]; + uint8_t i_addr3[IEEE80211_ADDR_LEN]; + uint8_t i_seq[2]; + /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */ + /* see below */ +} __packed; + +struct ieee80211_qosframe { + uint8_t i_fc[2]; + uint8_t i_dur[2]; + uint8_t i_addr1[IEEE80211_ADDR_LEN]; + uint8_t i_addr2[IEEE80211_ADDR_LEN]; + uint8_t i_addr3[IEEE80211_ADDR_LEN]; + uint8_t i_seq[2]; + uint8_t i_qos[2]; + /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */ + /* see below */ +} __packed; + +struct ieee80211_qoscntl { + uint8_t i_qos[2]; +}; + +struct ieee80211_frame_addr4 { + uint8_t i_fc[2]; + uint8_t i_dur[2]; + uint8_t i_addr1[IEEE80211_ADDR_LEN]; + uint8_t i_addr2[IEEE80211_ADDR_LEN]; + uint8_t i_addr3[IEEE80211_ADDR_LEN]; + uint8_t i_seq[2]; + uint8_t i_addr4[IEEE80211_ADDR_LEN]; +} __packed; + + +struct ieee80211_qosframe_addr4 { + uint8_t i_fc[2]; + uint8_t i_dur[2]; + uint8_t i_addr1[IEEE80211_ADDR_LEN]; + uint8_t i_addr2[IEEE80211_ADDR_LEN]; + uint8_t i_addr3[IEEE80211_ADDR_LEN]; + uint8_t i_seq[2]; + uint8_t i_addr4[IEEE80211_ADDR_LEN]; + uint8_t i_qos[2]; +} __packed; + +#define IEEE80211_FC0_VERSION_MASK 0x03 +#define IEEE80211_FC0_VERSION_SHIFT 0 +#define IEEE80211_FC0_VERSION_0 0x00 +#define IEEE80211_FC0_TYPE_MASK 0x0c +#define IEEE80211_FC0_TYPE_SHIFT 2 +#define IEEE80211_FC0_TYPE_MGT 0x00 +#define IEEE80211_FC0_TYPE_CTL 0x04 +#define IEEE80211_FC0_TYPE_DATA 0x08 + +#define IEEE80211_FC0_SUBTYPE_MASK 0xf0 +#define IEEE80211_FC0_SUBTYPE_SHIFT 4 +/* for TYPE_MGT */ +#define IEEE80211_FC0_SUBTYPE_ASSOC_REQ 0x00 +#define IEEE80211_FC0_SUBTYPE_ASSOC_RESP 0x10 +#define IEEE80211_FC0_SUBTYPE_REASSOC_REQ 0x20 +#define IEEE80211_FC0_SUBTYPE_REASSOC_RESP 0x30 +#define IEEE80211_FC0_SUBTYPE_PROBE_REQ 0x40 +#define IEEE80211_FC0_SUBTYPE_PROBE_RESP 0x50 +#define IEEE80211_FC0_SUBTYPE_BEACON 0x80 +#define IEEE80211_FC0_SUBTYPE_ATIM 0x90 +#define IEEE80211_FC0_SUBTYPE_DISASSOC 0xa0 +#define IEEE80211_FC0_SUBTYPE_AUTH 0xb0 +#define IEEE80211_FC0_SUBTYPE_DEAUTH 0xc0 +#define IEEE80211_FC0_SUBTYPE_ACTION 0xd0 +/* for TYPE_CTL */ +#define IEEE80211_FC0_SUBTYPE_BAR 0x80 +#define IEEE80211_FC0_SUBTYPE_BA 0x90 +#define IEEE80211_FC0_SUBTYPE_PS_POLL 0xa0 +#define IEEE80211_FC0_SUBTYPE_RTS 0xb0 +#define IEEE80211_FC0_SUBTYPE_CTS 0xc0 +#define IEEE80211_FC0_SUBTYPE_ACK 0xd0 +#define IEEE80211_FC0_SUBTYPE_CF_END 0xe0 +#define IEEE80211_FC0_SUBTYPE_CF_END_ACK 0xf0 +/* for TYPE_DATA (bit combination) */ +#define IEEE80211_FC0_SUBTYPE_DATA 0x00 +#define IEEE80211_FC0_SUBTYPE_CF_ACK 0x10 +#define IEEE80211_FC0_SUBTYPE_CF_POLL 0x20 +#define IEEE80211_FC0_SUBTYPE_CF_ACPL 0x30 +#define IEEE80211_FC0_SUBTYPE_NODATA 0x40 +#define IEEE80211_FC0_SUBTYPE_CFACK 0x50 +#define IEEE80211_FC0_SUBTYPE_CFPOLL 0x60 +#define IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK 0x70 +#define IEEE80211_FC0_SUBTYPE_QOS 0x80 +#define IEEE80211_FC0_SUBTYPE_QOS_NULL 0xc0 + +#define IEEE80211_FC1_DIR_MASK 0x03 +#define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */ +#define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */ +#define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */ +#define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */ + +#define IEEE80211_IS_DSTODS(wh) \ + (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS) + +#define IEEE80211_FC1_MORE_FRAG 0x04 +#define IEEE80211_FC1_RETRY 0x08 +#define IEEE80211_FC1_PWR_MGT 0x10 +#define IEEE80211_FC1_MORE_DATA 0x20 +#define IEEE80211_FC1_WEP 0x40 +#define IEEE80211_FC1_ORDER 0x80 + +#define IEEE80211_SEQ_FRAG_MASK 0x000f +#define IEEE80211_SEQ_FRAG_SHIFT 0 +#define IEEE80211_SEQ_SEQ_MASK 0xfff0 +#define IEEE80211_SEQ_SEQ_SHIFT 4 +#define IEEE80211_SEQ_RANGE 4096 + +#define IEEE80211_SEQ_ADD(seq, incr) \ + (((seq) + (incr)) & (IEEE80211_SEQ_RANGE-1)) +#define IEEE80211_SEQ_INC(seq) IEEE80211_SEQ_ADD(seq,1) +#define IEEE80211_SEQ_SUB(a, b) \ + (((a) + IEEE80211_SEQ_RANGE - (b)) & (IEEE80211_SEQ_RANGE-1)) + +#define IEEE80211_SEQ_BA_RANGE 2048 /* 2^11 */ +#define IEEE80211_SEQ_BA_BEFORE(a, b) \ + (IEEE80211_SEQ_SUB(b, a+1) < IEEE80211_SEQ_BA_RANGE-1) + +#define IEEE80211_NWID_LEN 32 +#define IEEE80211_MESHID_LEN 32 + +#define IEEE80211_QOS_TXOP 0x00ff +/* bit 8 is reserved */ +#define IEEE80211_QOS_AMSDU 0x80 +#define IEEE80211_QOS_AMSDU_S 7 +#define IEEE80211_QOS_ACKPOLICY 0x60 +#define IEEE80211_QOS_ACKPOLICY_S 5 +#define IEEE80211_QOS_ACKPOLICY_NOACK 0x20 /* No ACK required */ +#define IEEE80211_QOS_ACKPOLICY_BA 0x60 /* Block ACK */ +#define IEEE80211_QOS_EOSP 0x10 /* EndOfService Period*/ +#define IEEE80211_QOS_EOSP_S 4 +#define IEEE80211_QOS_TID 0x0f + +/* does frame have QoS sequence control data */ +#define IEEE80211_QOS_HAS_SEQ(wh) \ + (((wh)->i_fc[0] & \ + (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_QOS)) == \ + (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS)) + +/* + * WME/802.11e information element. + */ +struct ieee80211_wme_info { + uint8_t wme_id; /* IEEE80211_ELEMID_VENDOR */ + uint8_t wme_len; /* length in bytes */ + uint8_t wme_oui[3]; /* 0x00, 0x50, 0xf2 */ + uint8_t wme_type; /* OUI type */ + uint8_t wme_subtype; /* OUI subtype */ + uint8_t wme_version; /* spec revision */ + uint8_t wme_info; /* QoS info */ +} __packed; + +/* + * WME/802.11e Tspec Element + */ +struct ieee80211_wme_tspec { + uint8_t ts_id; + uint8_t ts_len; + uint8_t ts_oui[3]; + uint8_t ts_oui_type; + uint8_t ts_oui_subtype; + uint8_t ts_version; + uint8_t ts_tsinfo[3]; + uint8_t ts_nom_msdu[2]; + uint8_t ts_max_msdu[2]; + uint8_t ts_min_svc[4]; + uint8_t ts_max_svc[4]; + uint8_t ts_inactv_intv[4]; + uint8_t ts_susp_intv[4]; + uint8_t ts_start_svc[4]; + uint8_t ts_min_rate[4]; + uint8_t ts_mean_rate[4]; + uint8_t ts_max_burst[4]; + uint8_t ts_min_phy[4]; + uint8_t ts_peak_rate[4]; + uint8_t ts_delay[4]; + uint8_t ts_surplus[2]; + uint8_t ts_medium_time[2]; +} __packed; + +/* + * WME AC parameter field + */ +struct ieee80211_wme_acparams { + uint8_t acp_aci_aifsn; + uint8_t acp_logcwminmax; + uint16_t acp_txop; +} __packed; + +#define WME_NUM_AC 4 /* 4 AC categories */ +#define WME_NUM_TID 16 /* 16 tids */ + +#define WME_PARAM_ACI 0x60 /* Mask for ACI field */ +#define WME_PARAM_ACI_S 5 /* Shift for ACI field */ +#define WME_PARAM_ACM 0x10 /* Mask for ACM bit */ +#define WME_PARAM_ACM_S 4 /* Shift for ACM bit */ +#define WME_PARAM_AIFSN 0x0f /* Mask for aifsn field */ +#define WME_PARAM_AIFSN_S 0 /* Shift for aifsn field */ +#define WME_PARAM_LOGCWMIN 0x0f /* Mask for CwMin field (in log) */ +#define WME_PARAM_LOGCWMIN_S 0 /* Shift for CwMin field */ +#define WME_PARAM_LOGCWMAX 0xf0 /* Mask for CwMax field (in log) */ +#define WME_PARAM_LOGCWMAX_S 4 /* Shift for CwMax field */ + +#define WME_AC_TO_TID(_ac) ( \ + ((_ac) == WME_AC_VO) ? 6 : \ + ((_ac) == WME_AC_VI) ? 5 : \ + ((_ac) == WME_AC_BK) ? 1 : \ + 0) + +#define TID_TO_WME_AC(_tid) ( \ + ((_tid) == 0 || (_tid) == 3) ? WME_AC_BE : \ + ((_tid) < 3) ? WME_AC_BK : \ + ((_tid) < 6) ? WME_AC_VI : \ + WME_AC_VO) + +/* + * WME Parameter Element + */ +struct ieee80211_wme_param { + uint8_t param_id; + uint8_t param_len; + uint8_t param_oui[3]; + uint8_t param_oui_type; + uint8_t param_oui_subtype; + uint8_t param_version; + uint8_t param_qosInfo; +#define WME_QOSINFO_COUNT 0x0f /* Mask for param count field */ + uint8_t param_reserved; + struct ieee80211_wme_acparams params_acParams[WME_NUM_AC]; +} __packed; + +/* + * Management Notification Frame + */ +struct ieee80211_mnf { + uint8_t mnf_category; + uint8_t mnf_action; + uint8_t mnf_dialog; + uint8_t mnf_status; +} __packed; +#define MNF_SETUP_REQ 0 +#define MNF_SETUP_RESP 1 +#define MNF_TEARDOWN 2 + +/* + * 802.11n Management Action Frames + */ +/* generic frame format */ +struct ieee80211_action { + uint8_t ia_category; + uint8_t ia_action; +} __packed; + +#define IEEE80211_ACTION_CAT_SM 0 /* Spectrum Management */ +#define IEEE80211_ACTION_CAT_QOS 1 /* QoS */ +#define IEEE80211_ACTION_CAT_DLS 2 /* DLS */ +#define IEEE80211_ACTION_CAT_BA 3 /* BA */ +#define IEEE80211_ACTION_CAT_HT 7 /* HT */ +#define IEEE80211_ACTION_CAT_VENDOR 127 /* Vendor Specific */ + +#define IEEE80211_ACTION_HT_TXCHWIDTH 0 /* recommended xmit chan width*/ +#define IEEE80211_ACTION_HT_MIMOPWRSAVE 1 /* MIMO power save */ + +/* HT - recommended transmission channel width */ +struct ieee80211_action_ht_txchwidth { + struct ieee80211_action at_header; + uint8_t at_chwidth; +} __packed; + +#define IEEE80211_A_HT_TXCHWIDTH_20 0 +#define IEEE80211_A_HT_TXCHWIDTH_2040 1 + +/* HT - MIMO Power Save (NB: D2.04) */ +struct ieee80211_action_ht_mimopowersave { + struct ieee80211_action am_header; + uint8_t am_control; +} __packed; + +#define IEEE80211_A_HT_MIMOPWRSAVE_ENA 0x01 /* PS enabled */ +#define IEEE80211_A_HT_MIMOPWRSAVE_MODE 0x02 +#define IEEE80211_A_HT_MIMOPWRSAVE_MODE_S 1 +#define IEEE80211_A_HT_MIMOPWRSAVE_DYNAMIC 0x02 /* Dynamic Mode */ +#define IEEE80211_A_HT_MIMOPWRSAVE_STATIC 0x00 /* no SM packets */ +/* bits 2-7 reserved */ + +/* Block Ack actions */ +#define IEEE80211_ACTION_BA_ADDBA_REQUEST 0 /* ADDBA request */ +#define IEEE80211_ACTION_BA_ADDBA_RESPONSE 1 /* ADDBA response */ +#define IEEE80211_ACTION_BA_DELBA 2 /* DELBA */ + +/* Block Ack Parameter Set */ +#define IEEE80211_BAPS_BUFSIZ 0xffc0 /* buffer size */ +#define IEEE80211_BAPS_BUFSIZ_S 6 +#define IEEE80211_BAPS_TID 0x003c /* TID */ +#define IEEE80211_BAPS_TID_S 2 +#define IEEE80211_BAPS_POLICY 0x0002 /* block ack policy */ +#define IEEE80211_BAPS_POLICY_S 1 + +#define IEEE80211_BAPS_POLICY_DELAYED (0<<IEEE80211_BAPS_POLICY_S) +#define IEEE80211_BAPS_POLICY_IMMEDIATE (1<<IEEE80211_BAPS_POLICY_S) + +/* Block Ack Sequence Control */ +#define IEEE80211_BASEQ_START 0xfff0 /* starting seqnum */ +#define IEEE80211_BASEQ_START_S 4 +#define IEEE80211_BASEQ_FRAG 0x000f /* fragment number */ +#define IEEE80211_BASEQ_FRAG_S 0 + +/* Delayed Block Ack Parameter Set */ +#define IEEE80211_DELBAPS_TID 0xf000 /* TID */ +#define IEEE80211_DELBAPS_TID_S 12 +#define IEEE80211_DELBAPS_INIT 0x0800 /* initiator */ +#define IEEE80211_DELBAPS_INIT_S 11 + +/* BA - ADDBA request */ +struct ieee80211_action_ba_addbarequest { + struct ieee80211_action rq_header; + uint8_t rq_dialogtoken; + uint16_t rq_baparamset; + uint16_t rq_batimeout; /* in TUs */ + uint16_t rq_baseqctl; +} __packed; + +/* BA - ADDBA response */ +struct ieee80211_action_ba_addbaresponse { + struct ieee80211_action rs_header; + uint8_t rs_dialogtoken; + uint16_t rs_statuscode; + uint16_t rs_baparamset; + uint16_t rs_batimeout; /* in TUs */ +} __packed; + +/* BA - DELBA */ +struct ieee80211_action_ba_delba { + struct ieee80211_action dl_header; + uint16_t dl_baparamset; + uint16_t dl_reasoncode; +} __packed; + +/* BAR Control */ +#define IEEE80211_BAR_TID 0xf000 /* TID */ +#define IEEE80211_BAR_TID_S 12 +#define IEEE80211_BAR_COMP 0x0004 /* Compressed Bitmap */ +#define IEEE80211_BAR_MTID 0x0002 /* Multi-TID */ +#define IEEE80211_BAR_NOACK 0x0001 /* No-Ack policy */ + +/* BAR Starting Sequence Control */ +#define IEEE80211_BAR_SEQ_START 0xfff0 /* starting seqnum */ +#define IEEE80211_BAR_SEQ_START_S 4 + +struct ieee80211_ba_request { + uint16_t rq_barctl; + uint16_t rq_barseqctl; +} __packed; + +/* + * Control frames. + */ +struct ieee80211_frame_min { + uint8_t i_fc[2]; + uint8_t i_dur[2]; + uint8_t i_addr1[IEEE80211_ADDR_LEN]; + uint8_t i_addr2[IEEE80211_ADDR_LEN]; + /* FCS */ +} __packed; + +struct ieee80211_frame_rts { + uint8_t i_fc[2]; + uint8_t i_dur[2]; + uint8_t i_ra[IEEE80211_ADDR_LEN]; + uint8_t i_ta[IEEE80211_ADDR_LEN]; + /* FCS */ +} __packed; + +struct ieee80211_frame_cts { + uint8_t i_fc[2]; + uint8_t i_dur[2]; + uint8_t i_ra[IEEE80211_ADDR_LEN]; + /* FCS */ +} __packed; + +struct ieee80211_frame_ack { + uint8_t i_fc[2]; + uint8_t i_dur[2]; + uint8_t i_ra[IEEE80211_ADDR_LEN]; + /* FCS */ +} __packed; + +struct ieee80211_frame_pspoll { + uint8_t i_fc[2]; + uint8_t i_aid[2]; + uint8_t i_bssid[IEEE80211_ADDR_LEN]; + uint8_t i_ta[IEEE80211_ADDR_LEN]; + /* FCS */ +} __packed; + +struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */ + uint8_t i_fc[2]; + uint8_t i_dur[2]; /* should be zero */ + uint8_t i_ra[IEEE80211_ADDR_LEN]; + uint8_t i_bssid[IEEE80211_ADDR_LEN]; + /* FCS */ +} __packed; + +struct ieee80211_frame_bar { + uint8_t i_fc[2]; + uint8_t i_dur[2]; + uint8_t i_ra[IEEE80211_ADDR_LEN]; + uint8_t i_ta[IEEE80211_ADDR_LEN]; + uint16_t i_ctl; + uint16_t i_seq; + /* FCS */ +} __packed; + +/* + * BEACON management packets + * + * octet timestamp[8] + * octet beacon interval[2] + * octet capability information[2] + * information element + * octet elemid + * octet length + * octet information[length] + */ + +#define IEEE80211_BEACON_INTERVAL(beacon) \ + ((beacon)[8] | ((beacon)[9] << 8)) +#define IEEE80211_BEACON_CAPABILITY(beacon) \ + ((beacon)[10] | ((beacon)[11] << 8)) + +#define IEEE80211_CAPINFO_ESS 0x0001 +#define IEEE80211_CAPINFO_IBSS 0x0002 +#define IEEE80211_CAPINFO_CF_POLLABLE 0x0004 +#define IEEE80211_CAPINFO_CF_POLLREQ 0x0008 +#define IEEE80211_CAPINFO_PRIVACY 0x0010 +#define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020 +#define IEEE80211_CAPINFO_PBCC 0x0040 +#define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080 +#define IEEE80211_CAPINFO_SPECTRUM_MGMT 0x0100 +/* bit 9 is reserved */ +#define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400 +#define IEEE80211_CAPINFO_RSN 0x0800 +/* bit 12 is reserved */ +#define IEEE80211_CAPINFO_DSSSOFDM 0x2000 +/* bits 14-15 are reserved */ + +#define IEEE80211_CAPINFO_BITS \ + "\20\1ESS\2IBSS\3CF_POLLABLE\4CF_POLLREQ\5PRIVACY\6SHORT_PREAMBLE" \ + "\7PBCC\10CHNL_AGILITY\11SPECTRUM_MGMT\13SHORT_SLOTTIME\14RSN" \ + "\16DSSOFDM" + +/* + * 802.11i/WPA information element (maximally sized). + */ +struct ieee80211_ie_wpa { + uint8_t wpa_id; /* IEEE80211_ELEMID_VENDOR */ + uint8_t wpa_len; /* length in bytes */ + uint8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */ + uint8_t wpa_type; /* OUI type */ + uint16_t wpa_version; /* spec revision */ + uint32_t wpa_mcipher[1]; /* multicast/group key cipher */ + uint16_t wpa_uciphercnt; /* # pairwise key ciphers */ + uint32_t wpa_uciphers[8];/* ciphers */ + uint16_t wpa_authselcnt; /* authentication selector cnt*/ + uint32_t wpa_authsels[8];/* selectors */ + uint16_t wpa_caps; /* 802.11i capabilities */ + uint16_t wpa_pmkidcnt; /* 802.11i pmkid count */ + uint16_t wpa_pmkids[8]; /* 802.11i pmkids */ +} __packed; + +/* + * 802.11n HT Capability IE + * NB: these reflect D1.10 + */ +struct ieee80211_ie_htcap { + uint8_t hc_id; /* element ID */ + uint8_t hc_len; /* length in bytes */ + uint16_t hc_cap; /* HT caps (see below) */ + uint8_t hc_param; /* HT params (see below) */ + uint8_t hc_mcsset[16]; /* supported MCS set */ + uint16_t hc_extcap; /* extended HT capabilities */ + uint32_t hc_txbf; /* txbf capabilities */ + uint8_t hc_antenna; /* antenna capabilities */ +} __packed; + +/* HT capability flags (ht_cap) */ +#define IEEE80211_HTCAP_LDPC 0x0001 /* LDPC supported */ +#define IEEE80211_HTCAP_CHWIDTH40 0x0002 /* 20/40 supported */ +#define IEEE80211_HTCAP_SMPS 0x000c /* SM Power Save mode */ +#define IEEE80211_HTCAP_SMPS_OFF 0x000c /* disabled */ +#define IEEE80211_HTCAP_SMPS_DYNAMIC 0x0004 /* send RTS first */ +/* NB: SMPS value 2 is reserved */ +#define IEEE80211_HTCAP_SMPS_ENA 0x0000 /* enabled (static mode) */ +#define IEEE80211_HTCAP_GREENFIELD 0x0010 /* Greenfield supported */ +#define IEEE80211_HTCAP_SHORTGI20 0x0020 /* Short GI in 20MHz */ +#define IEEE80211_HTCAP_SHORTGI40 0x0040 /* Short GI in 40MHz */ +#define IEEE80211_HTCAP_TXSTBC 0x0080 /* STBC tx ok */ +#define IEEE80211_HTCAP_RXSTBC 0x0300 /* STBC rx support */ +#define IEEE80211_HTCAP_RXSTBC_S 8 +#define IEEE80211_HTCAP_RXSTBC_1STREAM 0x0100 /* 1 spatial stream */ +#define IEEE80211_HTCAP_RXSTBC_2STREAM 0x0200 /* 1-2 spatial streams*/ +#define IEEE80211_HTCAP_RXSTBC_3STREAM 0x0300 /* 1-3 spatial streams*/ +#define IEEE80211_HTCAP_DELBA 0x0400 /* HT DELBA supported */ +#define IEEE80211_HTCAP_MAXAMSDU 0x0800 /* max A-MSDU length */ +#define IEEE80211_HTCAP_MAXAMSDU_7935 0x0800 /* 7935 octets */ +#define IEEE80211_HTCAP_MAXAMSDU_3839 0x0000 /* 3839 octets */ +#define IEEE80211_HTCAP_DSSSCCK40 0x1000 /* DSSS/CCK in 40MHz */ +#define IEEE80211_HTCAP_PSMP 0x2000 /* PSMP supported */ +#define IEEE80211_HTCAP_40INTOLERANT 0x4000 /* 40MHz intolerant */ +#define IEEE80211_HTCAP_LSIGTXOPPROT 0x8000 /* L-SIG TXOP prot */ + +#define IEEE80211_HTCAP_BITS \ + "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \ + "\13DELBA\14AMSDU(7935)\15DSSSCCK40\16PSMP\1740INTOLERANT" \ + "\20LSIGTXOPPROT" + +/* HT parameters (hc_param) */ +#define IEEE80211_HTCAP_MAXRXAMPDU 0x03 /* max rx A-MPDU factor */ +#define IEEE80211_HTCAP_MAXRXAMPDU_S 0 +#define IEEE80211_HTCAP_MAXRXAMPDU_8K 0 +#define IEEE80211_HTCAP_MAXRXAMPDU_16K 1 +#define IEEE80211_HTCAP_MAXRXAMPDU_32K 2 +#define IEEE80211_HTCAP_MAXRXAMPDU_64K 3 +#define IEEE80211_HTCAP_MPDUDENSITY 0x1c /* min MPDU start spacing */ +#define IEEE80211_HTCAP_MPDUDENSITY_S 2 +#define IEEE80211_HTCAP_MPDUDENSITY_NA 0 /* no time restriction */ +#define IEEE80211_HTCAP_MPDUDENSITY_025 1 /* 1/4 us */ +#define IEEE80211_HTCAP_MPDUDENSITY_05 2 /* 1/2 us */ +#define IEEE80211_HTCAP_MPDUDENSITY_1 3 /* 1 us */ +#define IEEE80211_HTCAP_MPDUDENSITY_2 4 /* 2 us */ +#define IEEE80211_HTCAP_MPDUDENSITY_4 5 /* 4 us */ +#define IEEE80211_HTCAP_MPDUDENSITY_8 6 /* 8 us */ +#define IEEE80211_HTCAP_MPDUDENSITY_16 7 /* 16 us */ + +/* HT extended capabilities (hc_extcap) */ +#define IEEE80211_HTCAP_PCO 0x0001 /* PCO capable */ +#define IEEE80211_HTCAP_PCOTRANS 0x0006 /* PCO transition time */ +#define IEEE80211_HTCAP_PCOTRANS_S 1 +#define IEEE80211_HTCAP_PCOTRANS_04 0x0002 /* 400 us */ +#define IEEE80211_HTCAP_PCOTRANS_15 0x0004 /* 1.5 ms */ +#define IEEE80211_HTCAP_PCOTRANS_5 0x0006 /* 5 ms */ +/* bits 3-7 reserved */ +#define IEEE80211_HTCAP_MCSFBACK 0x0300 /* MCS feedback */ +#define IEEE80211_HTCAP_MCSFBACK_S 8 +#define IEEE80211_HTCAP_MCSFBACK_NONE 0x0000 /* nothing provided */ +#define IEEE80211_HTCAP_MCSFBACK_UNSOL 0x0200 /* unsolicited feedback */ +#define IEEE80211_HTCAP_MCSFBACK_MRQ 0x0300 /* " "+respond to MRQ */ +#define IEEE80211_HTCAP_HTC 0x0400 /* +HTC support */ +#define IEEE80211_HTCAP_RDR 0x0800 /* reverse direction responder*/ +/* bits 12-15 reserved */ + +/* + * 802.11n HT Information IE + */ +struct ieee80211_ie_htinfo { + uint8_t hi_id; /* element ID */ + uint8_t hi_len; /* length in bytes */ + uint8_t hi_ctrlchannel; /* primary channel */ + uint8_t hi_byte1; /* ht ie byte 1 */ + uint8_t hi_byte2; /* ht ie byte 2 */ + uint8_t hi_byte3; /* ht ie byte 3 */ + uint16_t hi_byte45; /* ht ie bytes 4+5 */ + uint8_t hi_basicmcsset[16]; /* basic MCS set */ +} __packed; + +/* byte1 */ +#define IEEE80211_HTINFO_2NDCHAN 0x03 /* secondary/ext chan offset */ +#define IEEE80211_HTINFO_2NDCHAN_S 0 +#define IEEE80211_HTINFO_2NDCHAN_NONE 0x00 /* no secondary/ext channel */ +#define IEEE80211_HTINFO_2NDCHAN_ABOVE 0x01 /* above private channel */ +/* NB: 2 is reserved */ +#define IEEE80211_HTINFO_2NDCHAN_BELOW 0x03 /* below primary channel */ +#define IEEE80211_HTINFO_TXWIDTH 0x04 /* tx channel width */ +#define IEEE80211_HTINFO_TXWIDTH_20 0x00 /* 20MHz width */ +#define IEEE80211_HTINFO_TXWIDTH_2040 0x04 /* any supported width */ +#define IEEE80211_HTINFO_RIFSMODE 0x08 /* Reduced IFS (RIFS) use */ +#define IEEE80211_HTINFO_RIFSMODE_PROH 0x00 /* RIFS use prohibited */ +#define IEEE80211_HTINFO_RIFSMODE_PERM 0x08 /* RIFS use permitted */ +#define IEEE80211_HTINFO_PMSPONLY 0x10 /* PSMP required to associate */ +#define IEEE80211_HTINFO_SIGRAN 0xe0 /* shortest Service Interval */ +#define IEEE80211_HTINFO_SIGRAN_S 5 +#define IEEE80211_HTINFO_SIGRAN_5 0x00 /* 5 ms */ +/* XXX add rest */ + +/* bytes 2+3 */ +#define IEEE80211_HTINFO_OPMODE 0x03 /* operating mode */ +#define IEEE80211_HTINFO_OPMODE_S 0 +#define IEEE80211_HTINFO_OPMODE_PURE 0x00 /* no protection */ +#define IEEE80211_HTINFO_OPMODE_PROTOPT 0x01 /* protection optional */ +#define IEEE80211_HTINFO_OPMODE_HT20PR 0x02 /* protection for HT20 sta's */ +#define IEEE80211_HTINFO_OPMODE_MIXED 0x03 /* protection for legacy sta's*/ +#define IEEE80211_HTINFO_NONGF_PRESENT 0x04 /* non-GF sta's present */ +#define IEEE80211_HTINFO_TXBL 0x08 /* transmit burst limit */ +#define IEEE80211_HTINFO_NONHT_PRESENT 0x10 /* non-HT sta's present */ +/* bits 5-15 reserved */ + +/* bytes 4+5 */ +#define IEEE80211_HTINFO_2NDARYBEACON 0x01 +#define IEEE80211_HTINFO_LSIGTXOPPROT 0x02 +#define IEEE80211_HTINFO_PCO_ACTIVE 0x04 +#define IEEE80211_HTINFO_40MHZPHASE 0x08 + +/* byte5 */ +#define IEEE80211_HTINFO_BASIC_STBCMCS 0x7f +#define IEEE80211_HTINFO_BASIC_STBCMCS_S 0 +#define IEEE80211_HTINFO_DUALPROTECTED 0x80 + +/* + * Management information element payloads. + */ + +enum { + IEEE80211_ELEMID_SSID = 0, + IEEE80211_ELEMID_RATES = 1, + IEEE80211_ELEMID_FHPARMS = 2, + IEEE80211_ELEMID_DSPARMS = 3, + IEEE80211_ELEMID_CFPARMS = 4, + IEEE80211_ELEMID_TIM = 5, + IEEE80211_ELEMID_IBSSPARMS = 6, + IEEE80211_ELEMID_COUNTRY = 7, + IEEE80211_ELEMID_CHALLENGE = 16, + /* 17-31 reserved for challenge text extension */ + IEEE80211_ELEMID_PWRCNSTR = 32, + IEEE80211_ELEMID_PWRCAP = 33, + IEEE80211_ELEMID_TPCREQ = 34, + IEEE80211_ELEMID_TPCREP = 35, + IEEE80211_ELEMID_SUPPCHAN = 36, + IEEE80211_ELEMID_CSA = 37, + IEEE80211_ELEMID_MEASREQ = 38, + IEEE80211_ELEMID_MEASREP = 39, + IEEE80211_ELEMID_QUIET = 40, + IEEE80211_ELEMID_IBSSDFS = 41, + IEEE80211_ELEMID_ERP = 42, + IEEE80211_ELEMID_HTCAP = 45, + IEEE80211_ELEMID_RSN = 48, + IEEE80211_ELEMID_XRATES = 50, + IEEE80211_ELEMID_HTINFO = 61, + IEEE80211_ELEMID_TPC = 150, + IEEE80211_ELEMID_CCKM = 156, + IEEE80211_ELEMID_VENDOR = 221, /* vendor private */ + + /* + * 802.11s IEs based on D3.03 spec and were not assigned by + * ANA. Beware changing them because some of them are being + * kept compatible with Linux. + */ + IEEE80211_ELEMID_MESHCONF = 51, + IEEE80211_ELEMID_MESHID = 52, + IEEE80211_ELEMID_MESHLINK = 35, + IEEE80211_ELEMID_MESHCNGST = 36, + IEEE80211_ELEMID_MESHPEER = 55, + IEEE80211_ELEMID_MESHCSA = 38, + IEEE80211_ELEMID_MESHTIM = 39, + IEEE80211_ELEMID_MESHAWAKEW = 40, + IEEE80211_ELEMID_MESHBEACONT = 41, + IEEE80211_ELEMID_MESHPANN = 48, + IEEE80211_ELEMID_MESHRANN = 49, + IEEE80211_ELEMID_MESHPREQ = 68, + IEEE80211_ELEMID_MESHPREP = 69, + IEEE80211_ELEMID_MESHPERR = 70, + IEEE80211_ELEMID_MESHPXU = 53, + IEEE80211_ELEMID_MESHPXUC = 54, + IEEE80211_ELEMID_MESHAH = 60, /* Abbreviated Handshake */ +}; + +struct ieee80211_tim_ie { + uint8_t tim_ie; /* IEEE80211_ELEMID_TIM */ + uint8_t tim_len; + uint8_t tim_count; /* DTIM count */ + uint8_t tim_period; /* DTIM period */ + uint8_t tim_bitctl; /* bitmap control */ + uint8_t tim_bitmap[1]; /* variable-length bitmap */ +} __packed; + +struct ieee80211_country_ie { + uint8_t ie; /* IEEE80211_ELEMID_COUNTRY */ + uint8_t len; + uint8_t cc[3]; /* ISO CC+(I)ndoor/(O)utdoor */ + struct { + uint8_t schan; /* starting channel */ + uint8_t nchan; /* number channels */ + uint8_t maxtxpwr; /* tx power cap */ + } __packed band[1]; /* sub bands (NB: var size) */ +} __packed; + +#define IEEE80211_COUNTRY_MAX_BANDS 84 /* max possible bands */ +#define IEEE80211_COUNTRY_MAX_SIZE \ + (sizeof(struct ieee80211_country_ie) + 3*(IEEE80211_COUNTRY_MAX_BANDS-1)) + +/* + * 802.11h Channel Switch Announcement (CSA). + */ +struct ieee80211_csa_ie { + uint8_t csa_ie; /* IEEE80211_ELEMID_CHANSWITCHANN */ + uint8_t csa_len; + uint8_t csa_mode; /* Channel Switch Mode */ + uint8_t csa_newchan; /* New Channel Number */ + uint8_t csa_count; /* Channel Switch Count */ +} __packed; + +/* + * Note the min acceptable CSA count is used to guard against + * malicious CSA injection in station mode. Defining this value + * as other than 0 violates the 11h spec. + */ +#define IEEE80211_CSA_COUNT_MIN 2 +#define IEEE80211_CSA_COUNT_MAX 255 + +/* rate set entries are in .5 Mb/s units, and potentially marked as basic */ +#define IEEE80211_RATE_BASIC 0x80 +#define IEEE80211_RATE_VAL 0x7f + +/* EPR information element flags */ +#define IEEE80211_ERP_NON_ERP_PRESENT 0x01 +#define IEEE80211_ERP_USE_PROTECTION 0x02 +#define IEEE80211_ERP_LONG_PREAMBLE 0x04 + +#define IEEE80211_ERP_BITS \ + "\20\1NON_ERP_PRESENT\2USE_PROTECTION\3LONG_PREAMBLE" + +#define ATH_OUI 0x7f0300 /* Atheros OUI */ +#define ATH_OUI_TYPE 0x01 /* Atheros protocol ie */ + +/* NB: Atheros allocated the OUI for this purpose ~2005 but beware ... */ +#define TDMA_OUI ATH_OUI +#define TDMA_OUI_TYPE 0x02 /* TDMA protocol ie */ + +#define BCM_OUI 0x4c9000 /* Broadcom OUI */ +#define BCM_OUI_HTCAP 51 /* pre-draft HTCAP ie */ +#define BCM_OUI_HTINFO 52 /* pre-draft HTINFO ie */ + +#define WPA_OUI 0xf25000 +#define WPA_OUI_TYPE 0x01 +#define WPA_VERSION 1 /* current supported version */ + +#define WPA_CSE_NULL 0x00 +#define WPA_CSE_WEP40 0x01 +#define WPA_CSE_TKIP 0x02 +#define WPA_CSE_CCMP 0x04 +#define WPA_CSE_WEP104 0x05 + +#define WPA_ASE_NONE 0x00 +#define WPA_ASE_8021X_UNSPEC 0x01 +#define WPA_ASE_8021X_PSK 0x02 + +#define WPS_OUI_TYPE 0x04 + +#define RSN_OUI 0xac0f00 +#define RSN_VERSION 1 /* current supported version */ + +#define RSN_CSE_NULL 0x00 +#define RSN_CSE_WEP40 0x01 +#define RSN_CSE_TKIP 0x02 +#define RSN_CSE_WRAP 0x03 +#define RSN_CSE_CCMP 0x04 +#define RSN_CSE_WEP104 0x05 + +#define RSN_ASE_NONE 0x00 +#define RSN_ASE_8021X_UNSPEC 0x01 +#define RSN_ASE_8021X_PSK 0x02 + +#define RSN_CAP_PREAUTH 0x01 + +#define WME_OUI 0xf25000 +#define WME_OUI_TYPE 0x02 +#define WME_INFO_OUI_SUBTYPE 0x00 +#define WME_PARAM_OUI_SUBTYPE 0x01 +#define WME_VERSION 1 + +/* WME stream classes */ +#define WME_AC_BE 0 /* best effort */ +#define WME_AC_BK 1 /* background */ +#define WME_AC_VI 2 /* video */ +#define WME_AC_VO 3 /* voice */ + +/* + * AUTH management packets + * + * octet algo[2] + * octet seq[2] + * octet status[2] + * octet chal.id + * octet chal.length + * octet chal.text[253] NB: 1-253 bytes + */ + +/* challenge length for shared key auth */ +#define IEEE80211_CHALLENGE_LEN 128 + +#define IEEE80211_AUTH_ALG_OPEN 0x0000 +#define IEEE80211_AUTH_ALG_SHARED 0x0001 +#define IEEE80211_AUTH_ALG_LEAP 0x0080 + +enum { + IEEE80211_AUTH_OPEN_REQUEST = 1, + IEEE80211_AUTH_OPEN_RESPONSE = 2, +}; + +enum { + IEEE80211_AUTH_SHARED_REQUEST = 1, + IEEE80211_AUTH_SHARED_CHALLENGE = 2, + IEEE80211_AUTH_SHARED_RESPONSE = 3, + IEEE80211_AUTH_SHARED_PASS = 4, +}; + +/* + * Reason and status codes. + * + * Reason codes are used in management frames to indicate why an + * action took place (e.g. on disassociation). Status codes are + * used in management frames to indicate the result of an operation. + * + * Unlisted codes are reserved + */ + +enum { + IEEE80211_REASON_UNSPECIFIED = 1, + IEEE80211_REASON_AUTH_EXPIRE = 2, + IEEE80211_REASON_AUTH_LEAVE = 3, + IEEE80211_REASON_ASSOC_EXPIRE = 4, + IEEE80211_REASON_ASSOC_TOOMANY = 5, + IEEE80211_REASON_NOT_AUTHED = 6, + IEEE80211_REASON_NOT_ASSOCED = 7, + IEEE80211_REASON_ASSOC_LEAVE = 8, + IEEE80211_REASON_ASSOC_NOT_AUTHED = 9, + IEEE80211_REASON_DISASSOC_PWRCAP_BAD = 10, /* 11h */ + IEEE80211_REASON_DISASSOC_SUPCHAN_BAD = 11, /* 11h */ + IEEE80211_REASON_IE_INVALID = 13, /* 11i */ + IEEE80211_REASON_MIC_FAILURE = 14, /* 11i */ + IEEE80211_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, /* 11i */ + IEEE80211_REASON_GROUP_KEY_UPDATE_TIMEOUT = 16, /* 11i */ + IEEE80211_REASON_IE_IN_4WAY_DIFFERS = 17, /* 11i */ + IEEE80211_REASON_GROUP_CIPHER_INVALID = 18, /* 11i */ + IEEE80211_REASON_PAIRWISE_CIPHER_INVALID= 19, /* 11i */ + IEEE80211_REASON_AKMP_INVALID = 20, /* 11i */ + IEEE80211_REASON_UNSUPP_RSN_IE_VERSION = 21, /* 11i */ + IEEE80211_REASON_INVALID_RSN_IE_CAP = 22, /* 11i */ + IEEE80211_REASON_802_1X_AUTH_FAILED = 23, /* 11i */ + IEEE80211_REASON_CIPHER_SUITE_REJECTED = 24, /* 11i */ + IEEE80211_REASON_UNSPECIFIED_QOS = 32, /* 11e */ + IEEE80211_REASON_INSUFFICIENT_BW = 33, /* 11e */ + IEEE80211_REASON_TOOMANY_FRAMES = 34, /* 11e */ + IEEE80211_REASON_OUTSIDE_TXOP = 35, /* 11e */ + IEEE80211_REASON_LEAVING_QBSS = 36, /* 11e */ + IEEE80211_REASON_BAD_MECHANISM = 37, /* 11e */ + IEEE80211_REASON_SETUP_NEEDED = 38, /* 11e */ + IEEE80211_REASON_TIMEOUT = 39, /* 11e */ + + /* values not yet allocated by ANA */ + IEEE80211_REASON_PEER_LINK_CANCELED = 2, /* 11s */ + IEEE80211_REASON_MESH_MAX_PEERS = 3, /* 11s */ + IEEE80211_REASON_MESH_CPVIOLATION = 4, /* 11s */ + IEEE80211_REASON_MESH_CLOSE_RCVD = 5, /* 11s */ + IEEE80211_REASON_MESH_MAX_RETRIES = 6, /* 11s */ + IEEE80211_REASON_MESH_CONFIRM_TIMEOUT = 7, /* 11s */ + IEEE80211_REASON_MESH_INVALID_GTK = 8, /* 11s */ + IEEE80211_REASON_MESH_INCONS_PARAMS = 9, /* 11s */ + IEEE80211_REASON_MESH_INVALID_SECURITY = 10, /* 11s */ + IEEE80211_REASON_MESH_PERR_UNSPEC = 11, /* 11s */ + IEEE80211_REASON_MESH_PERR_NO_FI = 12, /* 11s */ + IEEE80211_REASON_MESH_PERR_DEST_UNREACH = 13, /* 11s */ + + IEEE80211_STATUS_SUCCESS = 0, + IEEE80211_STATUS_UNSPECIFIED = 1, + IEEE80211_STATUS_CAPINFO = 10, + IEEE80211_STATUS_NOT_ASSOCED = 11, + IEEE80211_STATUS_OTHER = 12, + IEEE80211_STATUS_ALG = 13, + IEEE80211_STATUS_SEQUENCE = 14, + IEEE80211_STATUS_CHALLENGE = 15, + IEEE80211_STATUS_TIMEOUT = 16, + IEEE80211_STATUS_TOOMANY = 17, + IEEE80211_STATUS_BASIC_RATE = 18, + IEEE80211_STATUS_SP_REQUIRED = 19, /* 11b */ + IEEE80211_STATUS_PBCC_REQUIRED = 20, /* 11b */ + IEEE80211_STATUS_CA_REQUIRED = 21, /* 11b */ + IEEE80211_STATUS_SPECMGMT_REQUIRED = 22, /* 11h */ + IEEE80211_STATUS_PWRCAP_REQUIRED = 23, /* 11h */ + IEEE80211_STATUS_SUPCHAN_REQUIRED = 24, /* 11h */ + IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25, /* 11g */ + IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26, /* 11g */ + IEEE80211_STATUS_MISSING_HT_CAPS = 27, /* 11n D3.0 */ + IEEE80211_STATUS_INVALID_IE = 40, /* 11i */ + IEEE80211_STATUS_GROUP_CIPHER_INVALID = 41, /* 11i */ + IEEE80211_STATUS_PAIRWISE_CIPHER_INVALID = 42, /* 11i */ + IEEE80211_STATUS_AKMP_INVALID = 43, /* 11i */ + IEEE80211_STATUS_UNSUPP_RSN_IE_VERSION = 44, /* 11i */ + IEEE80211_STATUS_INVALID_RSN_IE_CAP = 45, /* 11i */ + IEEE80211_STATUS_CIPHER_SUITE_REJECTED = 46, /* 11i */ +}; + +#define IEEE80211_WEP_KEYLEN 5 /* 40bit */ +#define IEEE80211_WEP_IVLEN 3 /* 24bit */ +#define IEEE80211_WEP_KIDLEN 1 /* 1 octet */ +#define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */ +#define IEEE80211_WEP_TOTLEN (IEEE80211_WEP_IVLEN + \ + IEEE80211_WEP_KIDLEN + \ + IEEE80211_WEP_CRCLEN) +#define IEEE80211_WEP_NKID 4 /* number of key ids */ + +/* + * 802.11i defines an extended IV for use with non-WEP ciphers. + * When the EXTIV bit is set in the key id byte an additional + * 4 bytes immediately follow the IV for TKIP. For CCMP the + * EXTIV bit is likewise set but the 8 bytes represent the + * CCMP header rather than IV+extended-IV. + */ +#define IEEE80211_WEP_EXTIV 0x20 +#define IEEE80211_WEP_EXTIVLEN 4 /* extended IV length */ +#define IEEE80211_WEP_MICLEN 8 /* trailing MIC */ + +#define IEEE80211_CRC_LEN 4 + +/* + * Maximum acceptable MTU is: + * IEEE80211_MAX_LEN - WEP overhead - CRC - + * QoS overhead - RSN/WPA overhead + * Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default + * mtu is Ethernet-compatible; it's set by ether_ifattach. + */ +#define IEEE80211_MTU_MAX 2290 +#define IEEE80211_MTU_MIN 32 + +#define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \ + (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN)) +#define IEEE80211_ACK_LEN \ + (sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN) +#define IEEE80211_MIN_LEN \ + (sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN) + +/* + * The 802.11 spec says at most 2007 stations may be + * associated at once. For most AP's this is way more + * than is feasible so we use a default of IEEE80211_AID_DEF. + * This number may be overridden by the driver and/or by + * user configuration but may not be less than IEEE80211_AID_MIN + * (see _ieee80211.h for implementation-specific settings). + */ +#define IEEE80211_AID_MAX 2007 + +#define IEEE80211_AID(b) ((b) &~ 0xc000) + +/* + * RTS frame length parameters. The default is specified in + * the 802.11 spec as 512; we treat it as implementation-dependent + * so it's defined in ieee80211_var.h. The max may be wrong + * for jumbo frames. + */ +#define IEEE80211_RTS_MIN 1 +#define IEEE80211_RTS_MAX 2346 + +/* + * TX fragmentation parameters. As above for RTS, we treat + * default as implementation-dependent so define it elsewhere. + */ +#define IEEE80211_FRAG_MIN 256 +#define IEEE80211_FRAG_MAX 2346 + +/* + * Beacon interval (TU's). Min+max come from WiFi requirements. + * As above, we treat default as implementation-dependent so + * define it elsewhere. + */ +#define IEEE80211_BINTVAL_MAX 1000 /* max beacon interval (TU's) */ +#define IEEE80211_BINTVAL_MIN 25 /* min beacon interval (TU's) */ + +/* + * DTIM period (beacons). Min+max are not really defined + * by the protocol but we want them publicly visible so + * define them here. + */ +#define IEEE80211_DTIM_MAX 15 /* max DTIM period */ +#define IEEE80211_DTIM_MIN 1 /* min DTIM period */ + +/* + * Beacon miss threshold (beacons). As for DTIM, we define + * them here to be publicly visible. Note the max may be + * clamped depending on device capabilities. + */ +#define IEEE80211_HWBMISS_MIN 1 +#define IEEE80211_HWBMISS_MAX 255 + +/* + * 802.11 frame duration definitions. + */ + +struct ieee80211_duration { + uint16_t d_rts_dur; + uint16_t d_data_dur; + uint16_t d_plcp_len; + uint8_t d_residue; /* unused octets in time slot */ +}; + +/* One Time Unit (TU) is 1Kus = 1024 microseconds. */ +#define IEEE80211_DUR_TU 1024 + +/* IEEE 802.11b durations for DSSS PHY in microseconds */ +#define IEEE80211_DUR_DS_LONG_PREAMBLE 144 +#define IEEE80211_DUR_DS_SHORT_PREAMBLE 72 + +#define IEEE80211_DUR_DS_SLOW_PLCPHDR 48 +#define IEEE80211_DUR_DS_FAST_PLCPHDR 24 +#define IEEE80211_DUR_DS_SLOW_ACK 112 +#define IEEE80211_DUR_DS_FAST_ACK 56 +#define IEEE80211_DUR_DS_SLOW_CTS 112 +#define IEEE80211_DUR_DS_FAST_CTS 56 + +#define IEEE80211_DUR_DS_SLOT 20 +#define IEEE80211_DUR_DS_SIFS 10 +#define IEEE80211_DUR_DS_PIFS (IEEE80211_DUR_DS_SIFS + IEEE80211_DUR_DS_SLOT) +#define IEEE80211_DUR_DS_DIFS (IEEE80211_DUR_DS_SIFS + \ + 2 * IEEE80211_DUR_DS_SLOT) +#define IEEE80211_DUR_DS_EIFS (IEEE80211_DUR_DS_SIFS + \ + IEEE80211_DUR_DS_SLOW_ACK + \ + IEEE80211_DUR_DS_LONG_PREAMBLE + \ + IEEE80211_DUR_DS_SLOW_PLCPHDR + \ + IEEE80211_DUR_DIFS) + +#endif /* _NET80211_IEEE80211_HH_ */ |