/*- * Copyright (c) 2020-2021 The FreeBSD Foundation * * This software was developed by Björn Zeeb under sponsorship from * the FreeBSD Foundation. * * 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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 _LINUXKPI_LINUX_IEEE80211_H #define _LINUXKPI_LINUX_IEEE80211_H #include #include #include #include #include /* 9.4.2.55 Management MIC element (CMAC-256, GMAC-128, and GMAC-256). */ struct ieee80211_mmie_16 { uint8_t element_id; uint8_t length; uint16_t key_id; uint8_t ipn[6]; uint8_t mic[16]; }; #define IEEE80211_CCMP_HDR_LEN 8 /* 802.11i .. net80211 comment */ #define IEEE80211_CCMP_PN_LEN 6 #define IEEE80211_CCMP_MIC_LEN 8 /* || 16 */ #define IEEE80211_CCMP_256_HDR_LEN 8 #define IEEE80211_CCMP_256_MIC_LEN 16 #define IEEE80211_GCMP_HDR_LEN 8 #define IEEE80211_GCMP_MIC_LEN 16 #define IEEE80211_GCMP_PN_LEN 6 #define IEEE80211_GMAC_PN_LEN 6 #define IEEE80211_MAX_PN_LEN 16 #define IEEE80211_INVAL_HW_QUEUE ((uint8_t)-1) #define IEEE80211_MAX_AMPDU_BUF_HT 0x40 #define IEEE80211_MAX_AMPDU_BUF 256 /* for HE? */ #define IEEE80211_MAX_AMPDU_BUF_HE 256 #define IEEE80211_MAX_FRAME_LEN 2352 #define IEEE80211_MAX_DATA_LEN (2300 + IEEE80211_CRC_LEN) #define IEEE80211_MAX_MPDU_LEN_HT_BA 4095 /* 9.3.2.1 Format of Data frames; non-VHT non-DMG STA */ #define IEEE80211_MAX_MPDU_LEN_HT_3839 3839 #define IEEE80211_MAX_MPDU_LEN_HT_7935 7935 #define IEEE80211_MAX_MPDU_LEN_VHT_3895 3895 #define IEEE80211_MAX_MPDU_LEN_VHT_7991 7991 #define IEEE80211_MAX_MPDU_LEN_VHT_11454 11454 #define IEEE80211_MAX_RTS_THRESHOLD 2346 /* net80211::IEEE80211_RTS_MAX */ #define IEEE80211_MIN_ACTION_SIZE 23 /* ? */ /* Wi-Fi Peer-to-Peer (P2P) Technical Specification */ #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7f #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7) /* 802.11-2016, 9.2.4.5.1, Table 9-6 QoS Control Field */ #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007 #define IEEE80211_QOS_CTL_TID_MASK IEEE80211_QOS_TID #define IEEE80211_QOS_CTL_EOSP 0x0010 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100 #define IEEE80211_RATE_SHORT_PREAMBLE BIT(0) enum ieee80211_rate_control_changed_flags { IEEE80211_RC_BW_CHANGED = BIT(0), IEEE80211_RC_NSS_CHANGED = BIT(1), IEEE80211_RC_SUPP_RATES_CHANGED = BIT(2), IEEE80211_RC_SMPS_CHANGED = BIT(3), }; #define IEEE80211_SCTL_FRAG IEEE80211_SEQ_FRAG_MASK #define IEEE80211_SCTL_SEQ IEEE80211_SEQ_SEQ_MASK #define IEEE80211_TKIP_ICV_LEN 4 #define IEEE80211_TKIP_IV_LEN 8 /* WEP + KID + EXT */ #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE (1 << 13) /* assigned to tx_highest */ #define IEEE80211_VHT_MAX_AMPDU_1024K 7 /* 9.4.2.56.3 A-MPDU Parameters field, Table 9-163 */ #define IEEE80211_WEP_IV_LEN 3 /* net80211: IEEE80211_WEP_IVLEN */ #define IEEE80211_WEP_ICV_LEN 4 #define WLAN_AUTH_OPEN __LINE__ /* TODO FIXME brcmfmac */ #define WLAN_CAPABILITY_IBSS __LINE__ /* TODO FIXME no longer used? */ #define WLAN_CAPABILITY_SHORT_PREAMBLE __LINE__ /* TODO FIXME brcmfmac */ #define WLAN_CAPABILITY_SHORT_SLOT_TIME __LINE__ /* TODO FIXME brcmfmac */ enum wlan_ht_cap_sm_ps { WLAN_HT_CAP_SM_PS_STATIC = 0, WLAN_HT_CAP_SM_PS_DYNAMIC, WLAN_HT_CAP_SM_PS_INVALID, WLAN_HT_CAP_SM_PS_DISABLED, }; #define WLAN_MAX_KEY_LEN 32 /* TODO FIXME brcmfmac */ #define WLAN_PMKID_LEN 16 /* TODO FIXME brcmfmac */ #define WLAN_KEY_LEN_WEP40 5 #define WLAN_KEY_LEN_WEP104 13 #define WLAN_KEY_LEN_TKIP 32 #define WLAN_KEY_LEN_CCMP 16 #define WLAN_KEY_LEN_GCMP 16 #define WLAN_KEY_LEN_GCMP_256 32 /* 802.11-2020, 9.4.2.55.3, Table 9-185 Subfields of the A-MPDU Parameters field */ enum ieee80211_min_mpdu_start_spacing { IEEE80211_HT_MPDU_DENSITY_NONE = 0, #if 0 IEEE80211_HT_MPDU_DENSITY_XXX = 1, /* 1/4 us */ IEEE80211_HT_MPDU_DENSITY_YYY = 2, /* 1/2 us */ #endif IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 us */ IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 us */ IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4us */ IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8us */ IEEE80211_HT_MPDU_DENSITY_16 = 7, /* 16us */ }; /* 9.4.2.57, Table 9-168, HT Operation element fields and subfields */ #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080 /* B24.. */ #define IEEE80211_FCTL_FTYPE IEEE80211_FC0_TYPE_MASK #define IEEE80211_FCTL_STYPE IEEE80211_FC0_SUBTYPE_MASK #define IEEE80211_FCTL_ORDER (IEEE80211_FC1_ORDER << 8) #define IEEE80211_FCTL_PROTECTED (IEEE80211_FC1_PROTECTED << 8) #define IEEE80211_FCTL_FROMDS (IEEE80211_FC1_DIR_FROMDS << 8) #define IEEE80211_FCTL_TODS (IEEE80211_FC1_DIR_TODS << 8) #define IEEE80211_FCTL_MOREFRAGS (IEEE80211_FC1_MORE_FRAG << 8) #define IEEE80211_FTYPE_MGMT IEEE80211_FC0_TYPE_MGT #define IEEE80211_FTYPE_CTL IEEE80211_FC0_TYPE_CTL #define IEEE80211_FTYPE_DATA IEEE80211_FC0_TYPE_DATA #define IEEE80211_STYPE_ASSOC_REQ IEEE80211_FC0_SUBTYPE_ASSOC_REQ #define IEEE80211_STYPE_REASSOC_REQ IEEE80211_FC0_SUBTYPE_REASSOC_REQ #define IEEE80211_STYPE_PROBE_REQ IEEE80211_FC0_SUBTYPE_PROBE_REQ #define IEEE80211_STYPE_DISASSOC IEEE80211_FC0_SUBTYPE_DISASSOC #define IEEE80211_STYPE_AUTH IEEE80211_FC0_SUBTYPE_AUTH #define IEEE80211_STYPE_DEAUTH IEEE80211_FC0_SUBTYPE_DEAUTH #define IEEE80211_STYPE_ACTION IEEE80211_FC0_SUBTYPE_ACTION #define IEEE80211_STYPE_QOS_DATA IEEE80211_FC0_SUBTYPE_QOS_DATA #define IEEE80211_NUM_ACS 4 /* net8021::WME_NUM_AC */ #define IEEE80211_MAX_SSID_LEN 32 /* 9.4.2.2 SSID element, net80211: IEEE80211_NWID_LEN */ /* Figure 9-27, BAR Control field */ #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE 1 /* TODO FIXME ax? */ #define IEEE80211_PPE_THRES_NSS_MASK 2 /* TODO FIXME ax? */ #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS 3 /* TODO FIXME ax? */ #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK 8 /* TODO FIXME ax? */ #define IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE 16 /* TODO FIXME ax? */ #define IEEE80211_HT_OP_MODE_PROTECTION 0x03 /* MASK */ #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0x00 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 0x01 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 0x02 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 0x03 /* 9.6.13.1, Table 9-342 TDLS Action field values. */ enum ieee80211_tdls_action_code { WLAN_TDLS_SETUP_REQUEST = 0, WLAN_TDLS_SETUP_RESPONSE = 1, WLAN_TDLS_SETUP_CONFIRM = 2, WLAN_TDLS_TEARDOWN = 3, WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4, WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5, WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6, WLAN_TDLS_PEER_PSM_REQUEST = 7, WLAN_TDLS_PEER_PSM_RESPONSE = 8, WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9, WLAN_TDLS_DISCOVERY_REQUEST = 10, /* 11-255 reserved */ }; /* 9.4.2.27, Table 9-135. Extended Capabilities field. */ /* This is split up into octets CAPA1 = octet 1, ... */ #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2 % 8) #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT BIT(22 % 8) #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(62 % 8) #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT BIT(5) /* XXX */ #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7) /* XXX */ #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT BIT(6) /* XXX */ /* iwlwifi/mvm/utils:: for (ac = IEEE80211_AC_VO; ac <= IEEE80211_AC_VI; ac++) */ /* Would be so much easier if we'd define constants to the same. */ enum ieee80211_ac_numbers { IEEE80211_AC_VO = 0, /* net80211::WME_AC_VO */ IEEE80211_AC_VI = 1, /* net80211::WME_AC_VI */ IEEE80211_AC_BE = 2, /* net80211::WME_AC_BE */ IEEE80211_AC_BK = 3, /* net80211::WME_AC_BK */ }; #define IEEE80211_MAX_QUEUES 16 /* Assume IEEE80211_NUM_TIDS for the moment. */ #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO 1 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI 2 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK 4 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE 8 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0xf /* XXX net80211 calls these IEEE80211_HTCAP_* */ #define IEEE80211_HT_CAP_LDPC_CODING 0x0001 /* IEEE80211_HTCAP_LDPC */ #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002 /* IEEE80211_HTCAP_CHWIDTH40 */ #define IEEE80211_HT_CAP_SM_PS 0x000c /* IEEE80211_HTCAP_SMPS */ #define IEEE80211_HT_CAP_SM_PS_SHIFT 2 #define IEEE80211_HT_CAP_GRN_FLD 0x0010 /* IEEE80211_HTCAP_GREENFIELD */ #define IEEE80211_HT_CAP_SGI_20 0x0020 /* IEEE80211_HTCAP_SHORTGI20 */ #define IEEE80211_HT_CAP_SGI_40 0x0040 /* IEEE80211_HTCAP_SHORTGI40 */ #define IEEE80211_HT_CAP_TX_STBC 0x0080 /* IEEE80211_HTCAP_TXSTBC */ #define IEEE80211_HT_CAP_RX_STBC 0x0100 /* IEEE80211_HTCAP_RXSTBC */ #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8 /* IEEE80211_HTCAP_RXSTBC_S */ #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800 /* IEEE80211_HTCAP_MAXAMSDU */ #define IEEE80211_HT_CAP_DSSSCCK40 0x1000 /* IEEE80211_HTCAP_DSSSCCK40 */ #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000 /* IEEE80211_HTCAP_LSIGTXOPPROT */ #define IEEE80211_HT_MCS_TX_DEFINED 0x0001 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x0002 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0c #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff #define IEEE80211_HT_MCS_MASK_LEN 10 struct ieee80211_mcs_info { uint8_t rx_mask[IEEE80211_HT_MCS_MASK_LEN]; uint16_t rx_highest; uint8_t tx_params; uint8_t __reserved[3]; }; /* 802.11-2020, 9.4.2.55.1 HT Capabilities element structure */ struct ieee80211_ht_cap { uint16_t cap_info; uint8_t ampdu_params_info; struct ieee80211_mcs_info mcs; uint16_t extended_ht_cap_info; uint32_t tx_BF_cap_info; uint8_t antenna_selection_info; }; #define IEEE80211_HT_MAX_AMPDU_FACTOR 13 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR 16 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR 20 #define IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR 13 enum ieee80211_ht_max_ampdu_len { IEEE80211_HT_MAX_AMPDU_64K }; enum ieee80211_ampdu_mlme_action { IEEE80211_AMPDU_RX_START, IEEE80211_AMPDU_RX_STOP, IEEE80211_AMPDU_TX_OPERATIONAL, IEEE80211_AMPDU_TX_START, IEEE80211_AMPDU_TX_STOP_CONT, IEEE80211_AMPDU_TX_STOP_FLUSH, IEEE80211_AMPDU_TX_STOP_FLUSH_CONT }; #define IEEE80211_AMPDU_TX_START_IMMEDIATE 1 #define IEEE80211_AMPDU_TX_START_DELAY_ADDBA 2 enum ieee80211_chanctx_switch_mode { CHANCTX_SWMODE_REASSIGN_VIF, CHANCTX_SWMODE_SWAP_CONTEXTS, }; enum ieee80211_chanctx_change_flags { IEEE80211_CHANCTX_CHANGE_MIN_WIDTH = BIT(0), IEEE80211_CHANCTX_CHANGE_RADAR = BIT(1), IEEE80211_CHANCTX_CHANGE_RX_CHAINS = BIT(2), IEEE80211_CHANCTX_CHANGE_WIDTH = BIT(3), IEEE80211_CHANCTX_CHANGE_CHANNEL = BIT(4), }; enum ieee80211_frame_release_type { IEEE80211_FRAME_RELEASE_PSPOLL = 1, IEEE80211_FRAME_RELEASE_UAPSD = 2, }; enum ieee80211_p2p_attr_ids { IEEE80211_P2P_ATTR_DEVICE_ID, IEEE80211_P2P_ATTR_DEVICE_INFO, IEEE80211_P2P_ATTR_GROUP_ID, IEEE80211_P2P_ATTR_LISTEN_CHANNEL, IEEE80211_P2P_ATTR_ABSENCE_NOTICE, }; enum ieee80211_reconfig_type { IEEE80211_RECONFIG_TYPE_RESTART, IEEE80211_RECONFIG_TYPE_SUSPEND, }; enum ieee80211_roc_type { IEEE80211_ROC_TYPE_MGMT_TX, IEEE80211_ROC_TYPE_NORMAL, }; enum ieee80211_smps_mode { IEEE80211_SMPS_OFF, IEEE80211_SMPS_STATIC, IEEE80211_SMPS_DYNAMIC, IEEE80211_SMPS_AUTOMATIC, IEEE80211_SMPS_NUM_MODES, }; /* net80211::IEEE80211_S_* different but represents the state machine. */ /* Note: order here is important! */ enum ieee80211_sta_state { IEEE80211_STA_NOTEXIST = 0, IEEE80211_STA_NONE = 1, IEEE80211_STA_AUTH = 2, IEEE80211_STA_ASSOC = 3, IEEE80211_STA_AUTHORIZED = 4, /* 802.1x */ }; enum ieee80211_sta_rx_bw { IEEE80211_STA_RX_BW_20, IEEE80211_STA_RX_BW_40, IEEE80211_STA_RX_BW_80, IEEE80211_STA_RX_BW_160, IEEE80211_STA_RX_BW_320, }; enum ieee80211_tx_info_flags { /* XXX TODO .. right shift numbers - not sure where that came from? */ IEEE80211_TX_CTL_AMPDU = BIT(0), IEEE80211_TX_CTL_ASSIGN_SEQ = BIT(1), IEEE80211_TX_CTL_NO_ACK = BIT(2), IEEE80211_TX_CTL_SEND_AFTER_DTIM = BIT(3), IEEE80211_TX_CTL_TX_OFFCHAN = BIT(4), IEEE80211_TX_CTL_REQ_TX_STATUS = BIT(5), IEEE80211_TX_STATUS_EOSP = BIT(6), IEEE80211_TX_STAT_ACK = BIT(7), IEEE80211_TX_STAT_AMPDU = BIT(8), IEEE80211_TX_STAT_AMPDU_NO_BACK = BIT(9), IEEE80211_TX_STAT_TX_FILTERED = BIT(10), IEEE80211_TX_STAT_NOACK_TRANSMITTED = BIT(11), IEEE80211_TX_CTL_FIRST_FRAGMENT = BIT(12), IEEE80211_TX_INTFL_DONT_ENCRYPT = BIT(13), IEEE80211_TX_CTL_NO_CCK_RATE = BIT(14), IEEE80211_TX_CTL_INJECTED = BIT(15), IEEE80211_TX_CTL_HW_80211_ENCAP = BIT(16), IEEE80211_TX_CTL_USE_MINRATE = BIT(17), IEEE80211_TX_CTL_RATE_CTRL_PROBE = BIT(18), }; enum ieee80211_tx_control_flags { /* XXX TODO .. right shift numbers */ IEEE80211_TX_CTRL_PORT_CTRL_PROTO = BIT(0), IEEE80211_TX_CTRL_PS_RESPONSE = BIT(1), }; enum ieee80211_tx_rate_flags { /* XXX TODO .. right shift numbers */ IEEE80211_TX_RC_40_MHZ_WIDTH = BIT(0), IEEE80211_TX_RC_80_MHZ_WIDTH = BIT(1), IEEE80211_TX_RC_160_MHZ_WIDTH = BIT(2), IEEE80211_TX_RC_GREEN_FIELD = BIT(3), IEEE80211_TX_RC_MCS = BIT(4), IEEE80211_TX_RC_SHORT_GI = BIT(5), IEEE80211_TX_RC_VHT_MCS = BIT(6), IEEE80211_TX_RC_USE_SHORT_PREAMBLE = BIT(7), }; #define IEEE80211_HT_CTL_LEN 4 struct ieee80211_hdr { /* net80211::ieee80211_frame_addr4 */ __le16 frame_control; __le16 duration_id; uint8_t addr1[ETH_ALEN]; uint8_t addr2[ETH_ALEN]; uint8_t addr3[ETH_ALEN]; __le16 seq_ctrl; uint8_t addr4[ETH_ALEN]; }; struct ieee80211_hdr_3addr { /* net80211::ieee80211_frame */ __le16 frame_control; __le16 duration_id; uint8_t addr1[ETH_ALEN]; uint8_t addr2[ETH_ALEN]; uint8_t addr3[ETH_ALEN]; __le16 seq_ctrl; }; struct ieee80211_qos_hdr { /* net80211:ieee80211_qosframe */ __le16 frame_control; __le16 duration_id; uint8_t addr1[ETH_ALEN]; uint8_t addr2[ETH_ALEN]; uint8_t addr3[ETH_ALEN]; __le16 seq_ctrl; __le16 qos_ctrl; }; struct ieee80211_vendor_ie { }; /* 802.11-2020, Table 9-359-Block Ack Action field values */ enum ieee80211_back { WLAN_ACTION_ADDBA_REQ = 0, }; /* 802.11-2020, Table 9-51-Category values */ enum ieee80211_category { WLAN_CATEGORY_BACK = 3, }; /* 80211-2020 9.3.3.2 Format of Management frames */ struct ieee80211_mgmt { __le16 frame_control; __le16 duration_id; uint8_t da[ETH_ALEN]; uint8_t sa[ETH_ALEN]; uint8_t bssid[ETH_ALEN]; __le16 seq_ctrl; union { /* 9.3.3.3 Beacon frame format */ struct { uint64_t timestamp; uint16_t beacon_int; uint16_t capab_info; uint8_t variable[0]; } beacon; /* 9.3.3.10 Probe Request frame format */ struct { uint8_t variable[0]; } probe_req; /* 9.3.3.11 Probe Response frame format */ struct { uint64_t timestamp; uint16_t beacon_int; uint16_t capab_info; uint8_t variable[0]; } probe_resp; /* 9.3.3.14 Action frame format */ struct { /* 9.4.1.11 Action field */ uint8_t category; /* 9.6.8 Public Action details */ union { /* 9.6.2.5 TPC Report frame format */ struct { uint8_t spec_mgmt; uint8_t dialog_token; /* uint32_t tpc_rep_elem:: */ uint8_t tpc_elem_id; uint8_t tpc_elem_length; uint8_t tpc_elem_tx_power; uint8_t tpc_elem_link_margin; } tpc_report; /* 9.6.8.33 Fine Timing Measurement frame format */ struct { uint8_t dialog_token; uint8_t follow_up; uint8_t tod[6]; uint8_t toa[6]; uint16_t tod_error; uint16_t toa_error; uint8_t variable[0]; } ftm; /* 802.11-2016, 9.6.5.2 ADDBA Request frame format */ struct { uint8_t action_code; uint8_t dialog_token; uint16_t capab; uint16_t timeout; uint16_t start_seq_num; /* Optional follows... */ uint8_t variable[0]; } addba_req; } u; } action; } u; }; #define MHZ_TO_KHZ(_f) ((_f) * 1000) #define DBI_TO_MBI(_g) ((_g) * 100) #define MBI_TO_DBI(_x) ((_x) / 100) #define DBM_TO_MBM(_g) ((_g) * 100) #define MBM_TO_DBM(_x) ((_x) / 100) #define IEEE80211_SEQ_TO_SN(_seqn) (((_seqn) & IEEE80211_SEQ_SEQ_MASK) >> \ IEEE80211_SEQ_SEQ_SHIFT) /* Time unit (TU) to .. See net80211: IEEE80211_DUR_TU */ #define TU_TO_JIFFIES(_tu) (usecs_to_jiffies(_tu) * 1024) #define TU_TO_EXP_TIME(_tu) (jiffies + TU_TO_JIFFIES(_tu)) /* 9.4.2.21.1, Table 9-82. */ #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI 8 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC 11 /* 9.4.2.1, Table 9-77. Element IDs. */ enum ieee80211_eid { WLAN_EID_SSID = 0, WLAN_EID_SUPP_RATES = 1, WLAN_EID_DS_PARAMS = 3, WLAN_EID_TIM = 5, WLAN_EID_COUNTRY = 7, /* IEEE80211_ELEMID_COUNTRY */ WLAN_EID_REQUEST = 10, WLAN_EID_CHANNEL_SWITCH = 37, WLAN_EID_MEASURE_REPORT = 39, WLAN_EID_HT_CAPABILITY = 45, /* IEEE80211_ELEMID_HTCAP */ WLAN_EID_RSN = 48, /* IEEE80211_ELEMID_RSN */ WLAN_EID_EXT_SUPP_RATES = 50, WLAN_EID_EXT_CHANSWITCH_ANN = 60, WLAN_EID_MULTIPLE_BSSID = 71, /* IEEE80211_ELEMID_MULTIBSSID */ WLAN_EID_MULTI_BSSID_IDX = 85, WLAN_EID_EXT_CAPABILITY = 127, WLAN_EID_VHT_CAPABILITY = 191, /* IEEE80211_ELEMID_VHT_CAP */ WLAN_EID_VENDOR_SPECIFIC = 221, /* IEEE80211_ELEMID_VENDOR */ }; enum ieee80211_eid_ext { WLAN_EID_EXT_HE_CAPABILITY = 35, }; #define for_each_element(_elem, _data, _len) \ for (_elem = (const struct element *)(_data); \ (((const uint8_t *)(_data) + (_len) - (const uint8_t *)_elem) >= sizeof(*_elem)) && \ (((const uint8_t *)(_data) + (_len) - (const uint8_t *)_elem) >= (sizeof(*_elem) + _elem->datalen)); \ _elem = (const struct element *)(_elem->data + _elem->datalen)) #define for_each_element_id(_elem, _eid, _data, _len) \ for_each_element(_elem, _data, _len) \ if (_elem->id == (_eid)) /* 9.4.1.7, Table 9-45. Reason codes. */ enum ieee80211_reason_code { /* reserved = 0, */ WLAN_REASON_UNSPECIFIED = 1, WLAN_REASON_DEAUTH_LEAVING = 3, /* LEAVING_NETWORK_DEAUTH */ WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25, WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26, }; /* 9.4.1.9, Table 9-46. Status codes. */ enum ieee80211_status_code { WLAN_STATUS_SUCCESS = 0, WLAN_STATUS_AUTH_TIMEOUT = 16, /* REJECTED_SEQUENCE_TIMEOUT */ }; /* 9.3.1.22 Trigger frame format; 80211ax-2021 */ struct ieee80211_trigger { __le16 frame_control; __le16 duration_id; uint8_t ra[ETH_ALEN]; uint8_t ta[ETH_ALEN]; __le64 common_info; /* 8+ really */ uint8_t variable[]; }; /* Table 9-29c-Trigger Type subfield encoding */ enum { IEEE80211_TRIGGER_TYPE_BASIC = 0x0, #if 0 /* Not seen yet. */ BFRP = 0x1, MU-BAR = 0x2, MU-RTS = 0x3, BSRP = 0x4, GCR MU-BAR = 0x5, BQRP = 0x6, NFRP = 0x7, /* 0x8..0xf reserved */ #endif IEEE80211_TRIGGER_TYPE_MASK = 0xf }; /* 802.11-2020, Figure 9-687-Control field format; 802.11ax-2021 */ #define IEEE80211_TWT_CONTROL_NEG_TYPE_BROADCAST BIT(3) #define IEEE80211_TWT_CONTROL_RX_DISABLED BIT(4) #define IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT BIT(5) /* 802.11-2020, Figure 9-688-Request Type field format; 802.11ax-2021 */ #define IEEE80211_TWT_REQTYPE_SETUP_CMD (BIT(1) | BIT(2) | BIT(3)) #define IEEE80211_TWT_REQTYPE_TRIGGER BIT(4) #define IEEE80211_TWT_REQTYPE_IMPLICIT BIT(5) #define IEEE80211_TWT_REQTYPE_FLOWTYPE BIT(6) #define IEEE80211_TWT_REQTYPE_FLOWID (BIT(7) | BIT(8) | BIT(9)) #define IEEE80211_TWT_REQTYPE_WAKE_INT_EXP (BIT(10) | BIT(11) | BIT(12) | BIT(13) | BIT(14)) #define IEEE80211_TWT_REQTYPE_PROTECTION BIT(15) struct ieee80211_twt_params { int mantissa, min_twt_dur, twt; uint16_t req_type; }; struct ieee80211_twt_setup { int control; struct ieee80211_twt_params *params; }; /* 802.11-2020, Table 9-297-TWT Setup Command field values */ enum ieee80211_twt_setup_cmd { TWT_SETUP_CMD_REQUEST = 0, TWT_SETUP_CMD_SUGGEST = 1, /* DEMAND = 2, */ /* GROUPING = 3, */ TWT_SETUP_CMD_ACCEPT = 4, /* ALTERNATE = 5 */ TWT_SETUP_CMD_DICTATE = 6, TWT_SETUP_CMD_REJECT = 7, }; struct ieee80211_bssid_index { int bssid_index; }; /* net80211: IEEE80211_IS_CTL() */ static __inline bool ieee80211_is_ctl(__le16 fc) { __le16 v; fc &= htole16(IEEE80211_FC0_TYPE_MASK); v = htole16(IEEE80211_FC0_TYPE_CTL); return (fc == v); } /* net80211: IEEE80211_IS_DATA() */ static __inline bool ieee80211_is_data(__le16 fc) { __le16 v; fc &= htole16(IEEE80211_FC0_TYPE_MASK); v = htole16(IEEE80211_FC0_TYPE_DATA); return (fc == v); } /* net80211: IEEE80211_IS_QOSDATA() */ static __inline bool ieee80211_is_data_qos(__le16 fc) { __le16 v; fc &= htole16(IEEE80211_FC0_SUBTYPE_QOS_DATA | IEEE80211_FC0_TYPE_MASK); v = htole16(IEEE80211_FC0_SUBTYPE_QOS_DATA | IEEE80211_FC0_TYPE_DATA); return (fc == v); } /* net80211: IEEE80211_IS_MGMT() */ static __inline bool ieee80211_is_mgmt(__le16 fc) { __le16 v; fc &= htole16(IEEE80211_FC0_TYPE_MASK); v = htole16(IEEE80211_FC0_TYPE_MGT); return (fc == v); } /* Derived from net80211::ieee80211_anyhdrsize. */ static __inline unsigned int ieee80211_hdrlen(__le16 fc) { unsigned int size; if (ieee80211_is_ctl(fc)) { switch (fc & htole16(IEEE80211_FC0_SUBTYPE_MASK)) { case htole16(IEEE80211_FC0_SUBTYPE_CTS): case htole16(IEEE80211_FC0_SUBTYPE_ACK): return sizeof(struct ieee80211_frame_ack); case htole16(IEEE80211_FC0_SUBTYPE_BAR): return sizeof(struct ieee80211_frame_bar); } return (sizeof(struct ieee80211_frame_min)); } size = sizeof(struct ieee80211_frame); if (ieee80211_is_data(fc)) { if ((fc & htole16(IEEE80211_FC1_DIR_MASK << 8)) == htole16(IEEE80211_FC1_DIR_DSTODS << 8)) size += IEEE80211_ADDR_LEN; if ((fc & htole16(IEEE80211_FC0_SUBTYPE_QOS_DATA | IEEE80211_FC0_TYPE_MASK)) == htole16(IEEE80211_FC0_SUBTYPE_QOS_DATA | IEEE80211_FC0_TYPE_DATA)) size += sizeof(uint16_t); } if (ieee80211_is_mgmt(fc)) { #ifdef __notyet__ printf("XXX-BZ %s: TODO? fc %#04x size %u\n", __func__, fc, size); #endif ; } return (size); } static inline bool ieee80211_is_trigger(__le16 fc) { __le16 v; fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); v = htole16(IEEE80211_FC0_SUBTYPE_TRIGGER | IEEE80211_FC0_TYPE_CTL); return (fc == v); } #endif /* _LINUXKPI_LINUX_IEEE80211_H */