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IABSD.fr/src/sys/net80211/ieee80211_node.h
kirill
- sys/net80211/ieee80211_node.h
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/* $OpenBSD: ieee80211_node.h,v 1.101 2026/03/29 21:16:21 kirill Exp $ */ /* $NetBSD: ieee80211_node.h,v 1.9 2004/04/30 22:57:32 dyoung Exp $ */ /*- * Copyright (c) 2001 Atsushi Onoe * Copyright (c) 2002, 2003 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. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * 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: src/sys/net80211/ieee80211_node.h,v 1.10 2004/04/05 22:10:26 sam Exp $ */ #ifndef _NET80211_IEEE80211_NODE_H_ #define _NET80211_IEEE80211_NODE_H_ #include <sys/tree.h> #define IEEE80211_PSCAN_WAIT 5 /* passive scan wait */ #define IEEE80211_TRANS_WAIT 5 /* transition wait */ #define IEEE80211_INACT_WAIT 5 /* inactivity timer interval */ #define IEEE80211_INACT_MAX (300/IEEE80211_INACT_WAIT) #define IEEE80211_CACHE_SIZE 512 #define IEEE80211_CACHE_WAIT 30 #define IEEE80211_INACT_SCAN 10 /* for station mode */ struct ieee80211_rateset { u_int8_t rs_nrates; u_int8_t rs_rates[IEEE80211_RATE_MAXSIZE]; }; extern const struct ieee80211_rateset ieee80211_std_rateset_11a; extern const struct ieee80211_rateset ieee80211_std_rateset_11b; extern const struct ieee80211_rateset ieee80211_std_rateset_11g; /* Index into ieee80211_std_ratesets_11n[] array. */ #define IEEE80211_HT_RATESET_SISO 0 #define IEEE80211_HT_RATESET_SISO_SGI 1 #define IEEE80211_HT_RATESET_MIMO2 2 #define IEEE80211_HT_RATESET_MIMO2_SGI 3 #define IEEE80211_HT_RATESET_MIMO3 4 #define IEEE80211_HT_RATESET_MIMO3_SGI 5 #define IEEE80211_HT_RATESET_MIMO4 6 #define IEEE80211_HT_RATESET_MIMO4_SGI 7 #define IEEE80211_HT_RATESET_SISO_40 8 #define IEEE80211_HT_RATESET_SISO_SGI40 9 #define IEEE80211_HT_RATESET_MIMO2_40 10 #define IEEE80211_HT_RATESET_MIMO2_SGI40 11 #define IEEE80211_HT_RATESET_MIMO3_40 12 #define IEEE80211_HT_RATESET_MIMO3_SGI40 13 #define IEEE80211_HT_RATESET_MIMO4_40 14 #define IEEE80211_HT_RATESET_MIMO4_SGI40 15 #define IEEE80211_HT_NUM_RATESETS 16 /* Maximum number of rates in a HT rateset. */ #define IEEE80211_HT_RATESET_MAX_NRATES 8 /* Number of MCS indices represented by struct ieee80211_ht_rateset. */ #define IEEE80211_HT_RATESET_NUM_MCS 32 struct ieee80211_ht_rateset { uint32_t nrates; uint32_t rates[IEEE80211_HT_RATESET_MAX_NRATES]; /* 500 kbit/s units */ /* * This bitmask can only express MCS 0 - MCS 31. * IEEE 802.11 defined 77 HT MCS in total but common hardware * implementations tend to support MCS index 0 through 31 only. */ uint32_t mcs_mask; /* Range of MCS indices represented in this rateset. */ int min_mcs; int max_mcs; int chan40; int sgi; }; extern const struct ieee80211_ht_rateset ieee80211_std_ratesets_11n[]; /* Index into ieee80211_std_ratesets_11ac[] array. */ #define IEEE80211_VHT_RATESET_SISO 0 #define IEEE80211_VHT_RATESET_SISO_SGI 1 #define IEEE80211_VHT_RATESET_MIMO2 2 #define IEEE80211_VHT_RATESET_MIMO2_SGI 3 #define IEEE80211_VHT_RATESET_SISO_40 4 #define IEEE80211_VHT_RATESET_SISO_40_SGI 5 #define IEEE80211_VHT_RATESET_MIMO2_40 6 #define IEEE80211_VHT_RATESET_MIMO2_40_SGI 7 #define IEEE80211_VHT_RATESET_SISO_80 8 #define IEEE80211_VHT_RATESET_SISO_80_SGI 9 #define IEEE80211_VHT_RATESET_MIMO2_80 10 #define IEEE80211_VHT_RATESET_MIMO2_80_SGI 11 #define IEEE80211_VHT_NUM_RATESETS 12 /* Maximum number of rates in a VHT rateset. */ #define IEEE80211_VHT_RATESET_MAX_NRATES 10 struct ieee80211_vht_rateset { int idx; /* This rateset's index in ieee80211_std_ratesets_11ac[]. */ uint32_t nrates; uint32_t rates[IEEE80211_VHT_RATESET_MAX_NRATES]; /* 500 kbit/s units */ /* Number of spatial streams used by rates in this rateset. */ int num_ss; int chan40; int chan80; int sgi; }; extern const struct ieee80211_vht_rateset ieee80211_std_ratesets_11ac[]; enum ieee80211_node_state { IEEE80211_STA_CACHE, /* cached node */ IEEE80211_STA_BSS, /* ic->ic_bss, the network we joined */ IEEE80211_STA_AUTH, /* successfully authenticated */ IEEE80211_STA_ASSOC, /* successfully associated */ IEEE80211_STA_COLLECT /* This node remains in the cache while * the driver sends a de-auth message; * afterward it should be freed to make room * for a new node. */ }; #define ieee80211_node_newstate(__ni, __state) \ do { \ (__ni)->ni_state = (__state); \ } while (0) enum ieee80211_node_psstate { IEEE80211_PS_AWAKE, IEEE80211_PS_DOZE }; #define IEEE80211_PS_MAX_QUEUE 50 /* maximum saved packets */ /* Authenticator state machine: 4-Way Handshake (see 8.5.6.1.1) */ enum { RSNA_INITIALIZE, RSNA_AUTHENTICATION, RSNA_AUTHENTICATION_2, RSNA_INITPMK, RSNA_INITPSK, RSNA_PTKSTART, RSNA_PTKCALCNEGOTIATING, RSNA_PTKCALCNEGOTIATING_2, RSNA_PTKINITNEGOTIATING, RSNA_PTKINITDONE, RSNA_DISCONNECT, RSNA_DISCONNECTED }; /* Authenticator state machine: Group Key Handshake (see 8.5.6.1.2) */ enum { RSNA_IDLE, RSNA_REKEYNEGOTIATING, RSNA_REKEYESTABLISHED, RSNA_KEYERROR }; /* Supplicant state machine: 4-Way Handshake (not documented in standard) */ enum { RSNA_SUPP_INITIALIZE, /* not expecting any messages */ RSNA_SUPP_PTKSTART, /* awaiting handshake message 1 */ RSNA_SUPP_PTKNEGOTIATING, /* got message 1 and derived PTK */ RSNA_SUPP_PTKDONE /* got message 3 and authenticated AP */ }; struct ieee80211_rxinfo { u_int32_t rxi_flags; u_int32_t rxi_tstamp; int rxi_rssi; uint8_t rxi_chan; }; #define IEEE80211_RXI_HWDEC 0x00000001 #define IEEE80211_RXI_AMPDU_DONE 0x00000002 #define IEEE80211_RXI_HWDEC_SAME_PN 0x00000004 #define IEEE80211_RXI_SAME_SEQ 0x00000008 /* Block Acknowledgement Record */ struct ieee80211_tx_ba { struct ieee80211_node *ba_ni; /* backpointer for callbacks */ struct timeout ba_to; int ba_timeout_val; int ba_state; #define IEEE80211_BA_INIT 0 #define IEEE80211_BA_REQUESTED 1 #define IEEE80211_BA_AGREED 2 /* ADDBA parameter set field for this BA agreement. */ u_int16_t ba_params; /* These values are IEEE802.11 frame sequence numbers (0x0-0xfff) */ u_int16_t ba_winstart; u_int16_t ba_winend; /* Number of A-MPDU subframes in reorder buffer. */ u_int16_t ba_winsize; #define IEEE80211_BA_MAX_WINSZ 64 /* corresponds to maximum ADDBA BUFSZ */ u_int8_t ba_token; /* Bitmap for ACK'd frames in the current BA window. */ uint64_t ba_bitmap; }; struct ieee80211_rx_ba { struct ieee80211_node *ba_ni; /* backpointer for callbacks */ struct { struct mbuf *m; struct ieee80211_rxinfo rxi; } *ba_buf; struct timeout ba_to; int ba_timeout_val; int ba_state; u_int16_t ba_params; u_int16_t ba_winstart; u_int16_t ba_winend; u_int16_t ba_winsize; u_int16_t ba_head; struct timeout ba_gap_to; #define IEEE80211_BA_GAP_TIMEOUT 300 /* msec */ /* * Counter for frames forced to wait in the reordering buffer * due to a leading gap caused by one or more missing frames. */ int ba_gapwait; /* Counter for consecutive frames which missed the BA window. */ int ba_winmiss; /* Sequence number of previous frame which missed the BA window. */ uint16_t ba_missedsn; /* Window moves forward after this many frames have missed it. */ #define IEEE80211_BA_MAX_WINMISS 8 uint8_t ba_token; }; /* * Node specific information. Note that drivers are expected * to derive from this structure to add device-specific per-node * state. This is done by overriding the ic_node_* methods in * the ieee80211com structure. */ struct ieee80211_node { RBT_ENTRY(ieee80211_node) ni_node; struct ieee80211com *ni_ic; /* back-pointer */ u_int ni_refcnt; u_int ni_scangen; /* gen# for timeout scan */ /* hardware */ u_int32_t ni_rstamp; /* recv timestamp */ u_int8_t ni_rssi; /* recv ssi */ /* header */ u_int8_t ni_macaddr[IEEE80211_ADDR_LEN]; u_int8_t ni_bssid[IEEE80211_ADDR_LEN]; /* beacon, probe response */ u_int8_t ni_tstamp[8]; /* from last rcv'd beacon */ u_int16_t ni_intval; /* beacon interval */ u_int16_t ni_capinfo; /* capabilities */ u_int8_t ni_esslen; u_int8_t ni_essid[IEEE80211_NWID_LEN]; struct ieee80211_rateset ni_rates; /* negotiated rate set */ u_int8_t *ni_country; /* country information XXX */ struct ieee80211_channel *ni_chan; u_int8_t ni_erp; /* 11g only */ /* DTIM and contention free period (CFP) */ u_int8_t ni_dtimcount; u_int8_t ni_dtimperiod; #ifdef notyet u_int8_t ni_cfpperiod; /* # of DTIMs between CFPs */ u_int16_t ni_cfpduremain; /* remaining cfp duration */ u_int16_t ni_cfpmaxduration;/* max CFP duration in TU */ u_int16_t ni_nextdtim; /* time to next DTIM */ u_int16_t ni_timoffset; #endif /* power saving mode */ u_int8_t ni_pwrsave; struct mbuf_queue ni_savedq; /* packets queued for pspoll */ /* RSN */ struct timeout ni_eapol_to; u_int ni_rsn_state; u_int ni_rsn_supp_state; u_int ni_rsn_gstate; u_int ni_rsn_retries; u_int ni_supported_rsnprotos; u_int ni_rsnprotos; u_int ni_supported_rsnakms; u_int ni_rsnakms; u_int ni_rsnciphers; enum ieee80211_cipher ni_rsngroupcipher; enum ieee80211_cipher ni_rsngroupmgmtcipher; u_int16_t ni_rsncaps; enum ieee80211_cipher ni_rsncipher; u_int8_t ni_nonce[EAPOL_KEY_NONCE_LEN]; u_int8_t ni_pmk[IEEE80211_PMK_LEN]; u_int8_t ni_pmkid[IEEE80211_PMKID_LEN]; u_int64_t ni_replaycnt; u_int8_t ni_replaycnt_ok; u_int64_t ni_reqreplaycnt; u_int8_t ni_reqreplaycnt_ok; u_int8_t *ni_rsnie; struct ieee80211_key ni_pairwise_key; struct ieee80211_ptk ni_ptk; u_int8_t ni_key_count; int ni_port_valid; /* SA Query */ u_int16_t ni_sa_query_trid; struct timeout ni_sa_query_to; int ni_sa_query_count; /* HT capabilities */ uint16_t ni_htcaps; uint8_t ni_ampdu_param; uint8_t ni_rxmcs[howmany(80,NBBY)]; uint16_t ni_max_rxrate; /* in Mb/s, 0 <= rate <= 1023 */ uint8_t ni_tx_mcs_set; uint16_t ni_htxcaps; uint32_t ni_txbfcaps; uint8_t ni_aselcaps; /* HT operation */ uint8_t ni_primary_chan; /* XXX corresponds to ni_chan */ uint8_t ni_htop0; uint16_t ni_htop1; uint16_t ni_htop2; uint8_t ni_basic_mcs[howmany(128,NBBY)]; /* VHT capabilities */ uint32_t ni_vhtcaps; uint16_t ni_vht_rxmcs; uint16_t ni_vht_rx_max_lgi_mbit_s; uint16_t ni_vht_txmcs; uint16_t ni_vht_tx_max_lgi_mbit_s; /* VHT operation */ uint8_t ni_vht_chan_width; uint8_t ni_vht_chan_center_freq_idx0; uint8_t ni_vht_chan_center_freq_idx1; uint16_t ni_vht_basic_mcs; /* HE capabilities */ uint8_t ni_he_mac_cap[IEEE80211_HE_MAC_CAPS_LEN]; uint8_t ni_he_phy_cap[IEEE80211_HE_PHY_CAPS_LEN]; uint16_t ni_he_rxmcs_80; uint16_t ni_he_txmcs_80; uint16_t ni_he_rxmcs_160; uint16_t ni_he_txmcs_160; uint16_t ni_he_rxmcs_80p80; uint16_t ni_he_txmcs_80p80; /* HE operation */ uint8_t ni_he_oper_params[IEEE80211_HEOP_PARAMS_LEN]; uint16_t ni_he_basic_mcs; /* Timeout handlers which trigger Tx Block Ack negotiation. */ struct timeout ni_addba_req_to[IEEE80211_NUM_TID]; int ni_addba_req_intval[IEEE80211_NUM_TID]; #define IEEE80211_ADDBA_REQ_INTVAL_MAX 30 /* in seconds */ /* Block Ack records */ struct ieee80211_tx_ba ni_tx_ba[IEEE80211_NUM_TID]; struct ieee80211_rx_ba ni_rx_ba[IEEE80211_NUM_TID]; int ni_txmcs; /* current MCS used for TX */ int ni_vht_ss; /* VHT # spatial streams */ int ni_he_ss; /* HE # spatial streams */ /* others */ u_int16_t ni_associd; /* assoc response */ u_int16_t ni_txseq; /* seq to be transmitted */ u_int16_t ni_rxseq; /* seq previous received */ u_int16_t ni_qos_txseqs[IEEE80211_NUM_TID]; u_int16_t ni_qos_rxseqs[IEEE80211_NUM_TID]; int ni_fails; /* failure count to associate */ uint32_t ni_assoc_fail; /* assoc failure reasons */ #define IEEE80211_NODE_ASSOCFAIL_CHAN 0x01 #define IEEE80211_NODE_ASSOCFAIL_IBSS 0x02 #define IEEE80211_NODE_ASSOCFAIL_PRIVACY 0x04 #define IEEE80211_NODE_ASSOCFAIL_BASIC_RATE 0x08 #define IEEE80211_NODE_ASSOCFAIL_ESSID 0x10 #define IEEE80211_NODE_ASSOCFAIL_BSSID 0x20 #define IEEE80211_NODE_ASSOCFAIL_WPA_PROTO 0x40 #define IEEE80211_NODE_ASSOCFAIL_WPA_KEY 0x80 #define IEEE80211_NODE_ASSOCFAIL_CSA 0x100 int ni_inact; /* inactivity mark count */ int ni_txrate; /* index to ni_rates[] */ int ni_state; u_int32_t ni_flags; /* special-purpose state */ #define IEEE80211_NODE_ERP 0x0001 #define IEEE80211_NODE_QOS 0x0002 #define IEEE80211_NODE_REKEY 0x0004 /* GTK rekeying in progress */ #define IEEE80211_NODE_RXPROT 0x0008 /* RX protection ON */ #define IEEE80211_NODE_TXPROT 0x0010 /* TX protection ON */ #define IEEE80211_NODE_TXRXPROT \ (IEEE80211_NODE_TXPROT | IEEE80211_NODE_RXPROT) #define IEEE80211_NODE_RXMGMTPROT 0x0020 /* RX MMPDU protection ON */ #define IEEE80211_NODE_TXMGMTPROT 0x0040 /* TX MMPDU protection ON */ #define IEEE80211_NODE_MFP 0x0080 /* MFP negotiated */ #define IEEE80211_NODE_PMK 0x0100 /* ni_pmk set */ #define IEEE80211_NODE_PMKID 0x0200 /* ni_pmkid set */ #define IEEE80211_NODE_HT 0x0400 /* HT negotiated */ #define IEEE80211_NODE_SA_QUERY 0x0800 /* SA Query in progress */ #define IEEE80211_NODE_SA_QUERY_FAILED 0x1000 /* last SA Query failed */ #define IEEE80211_NODE_RSN_NEW_PTK 0x2000 /* expecting a new PTK */ #define IEEE80211_NODE_HT_SGI20 0x4000 /* SGI on 20 MHz negotiated */ #define IEEE80211_NODE_HT_SGI40 0x8000 /* SGI on 40 MHz negotiated */ #define IEEE80211_NODE_VHT 0x10000 /* VHT negotiated */ #define IEEE80211_NODE_HTCAP 0x20000 /* claims to support HT */ #define IEEE80211_NODE_VHTCAP 0x40000 /* claims to support VHT */ #define IEEE80211_NODE_VHT_SGI80 0x80000 /* SGI on 80 MHz negotiated */ #define IEEE80211_NODE_VHT_SGI160 0x100000 /* SGI on 160 MHz negotiated */ #define IEEE80211_NODE_HE 0x200000 /* HE negotiated */ #define IEEE80211_NODE_HECAP 0x400000 /* claims to support HE */ #define IEEE80211_NODE_CSA 0x800000 /* channel switch announced */ /* If not NULL, this function gets called when ni_refcnt hits zero. */ void (*ni_unref_cb)(struct ieee80211com *, struct ieee80211_node *); void * ni_unref_arg; size_t ni_unref_arg_size; }; RBT_HEAD(ieee80211_tree, ieee80211_node); struct ieee80211_ess_rbt { RBT_ENTRY(ieee80211_ess_rbt) ess_rbt; u_int8_t esslen; u_int8_t essid[IEEE80211_NWID_LEN]; struct ieee80211_node *ni2; struct ieee80211_node *ni5; struct ieee80211_node *ni; }; RBT_HEAD(ieee80211_ess_tree, ieee80211_ess_rbt); static inline void ieee80211_node_incref(struct ieee80211_node *ni) { int s; s = splnet(); ni->ni_refcnt++; splx(s); } static inline u_int ieee80211_node_decref(struct ieee80211_node *ni) { u_int refcnt; int s; s = splnet(); refcnt = --ni->ni_refcnt; splx(s); return refcnt; } static inline struct ieee80211_node * ieee80211_ref_node(struct ieee80211_node *ni) { ieee80211_node_incref(ni); return ni; } static inline void ieee80211_unref_node(struct ieee80211_node **ni) { ieee80211_node_decref(*ni); *ni = NULL; /* guard against use */ } /* * Check if the peer supports HT. * Require a HT capabilities IE and at least one of the mandatory MCS. * MCS 0-7 are mandatory but some APs have particular MCS disabled. */ static inline int ieee80211_node_supports_ht(struct ieee80211_node *ni) { return ((ni->ni_flags & IEEE80211_NODE_HTCAP) && ni->ni_rxmcs[0] & 0xff); } /* Check if the peer supports HT short guard interval (SGI) on 20 MHz. */ static inline int ieee80211_node_supports_ht_sgi20(struct ieee80211_node *ni) { return ieee80211_node_supports_ht(ni) && (ni->ni_htcaps & IEEE80211_HTCAP_SGI20); } /* Check if the peer supports HT short guard interval (SGI) on 40 MHz. */ static inline int ieee80211_node_supports_ht_sgi40(struct ieee80211_node *ni) { return ieee80211_node_supports_ht(ni) && (ni->ni_htcaps & IEEE80211_HTCAP_SGI40); } /* Check if the peer can receive frames sent on a 40 MHz channel. */ static inline int ieee80211_node_supports_ht_chan40(struct ieee80211_node *ni) { return (ieee80211_node_supports_ht(ni) && (ni->ni_htcaps & IEEE80211_HTCAP_CBW20_40) && (ni->ni_htop0 & IEEE80211_HTOP0_CHW)); } /* * Check if the peer supports VHT. * Require a VHT capabilities IE and support for VHT MCS with a single * spatial stream. */ static inline int ieee80211_node_supports_vht(struct ieee80211_node *ni) { uint16_t rx_mcs; rx_mcs = (ni->ni_vht_rxmcs & IEEE80211_VHT_MCS_FOR_SS_MASK(1)) >> IEEE80211_VHT_MCS_FOR_SS_SHIFT(1); return ((ni->ni_flags & IEEE80211_NODE_VHTCAP) && rx_mcs != IEEE80211_VHT_MCS_SS_NOT_SUPP); } /* Check if the peer supports VHT short guard interval (SGI) on 80 MHz. */ static inline int ieee80211_node_supports_vht_sgi80(struct ieee80211_node *ni) { return ieee80211_node_supports_vht(ni) && (ni->ni_vhtcaps & IEEE80211_VHTCAP_SGI80); } /* Check if the peer supports VHT short guard interval (SGI) on 160 MHz. */ static inline int ieee80211_node_supports_vht_sgi160(struct ieee80211_node *ni) { return ieee80211_node_supports_vht(ni) && (ni->ni_vhtcaps & IEEE80211_VHTCAP_SGI160); } /* Check if the peer can receive frames sent on an 80 MHz channel. */ static inline int ieee80211_node_supports_vht_chan80(struct ieee80211_node *ni) { uint8_t cap_chan_width, op_chan_width; if (!ieee80211_node_supports_vht(ni)) return 0; cap_chan_width = (ni->ni_vhtcaps & IEEE80211_VHTCAP_CHAN_WIDTH_MASK) >> IEEE80211_VHTCAP_CHAN_WIDTH_SHIFT; if (cap_chan_width != IEEE80211_VHTCAP_CHAN_WIDTH_80 && cap_chan_width != IEEE80211_VHTCAP_CHAN_WIDTH_160 && cap_chan_width != IEEE80211_VHTCAP_CHAN_WIDTH_160_8080) return 0; op_chan_width = (ni->ni_vht_chan_width & IEEE80211_VHTOP0_CHAN_WIDTH_MASK) >> IEEE80211_VHTOP0_CHAN_WIDTH_SHIFT; return (op_chan_width == IEEE80211_VHTOP0_CHAN_WIDTH_80 || op_chan_width == IEEE80211_VHTOP0_CHAN_WIDTH_160 || op_chan_width == IEEE80211_VHTOP0_CHAN_WIDTH_8080); } /* Check if the peer can receive frames sent on a 160 MHz channel. */ static inline int ieee80211_node_supports_vht_chan160(struct ieee80211_node *ni) { uint8_t cap_chan_width, op_chan_width; if (!ieee80211_node_supports_vht(ni)) return 0; cap_chan_width = (ni->ni_vhtcaps & IEEE80211_VHTCAP_CHAN_WIDTH_MASK) >> IEEE80211_VHTCAP_CHAN_WIDTH_SHIFT; if (cap_chan_width != IEEE80211_VHTCAP_CHAN_WIDTH_160 && cap_chan_width != IEEE80211_VHTCAP_CHAN_WIDTH_160_8080 && ((ni->ni_vhtcaps & IEEE80211_VHTCAP_EXT_NSS_BW_MASK) == 0 || (ni->ni_vht_tx_max_lgi_mbit_s & IEEE80211_VHT_EXT_NSS_BW_CAPABLE) == 0)) return 0; op_chan_width = (ni->ni_vht_chan_width & IEEE80211_VHTOP0_CHAN_WIDTH_MASK) >> IEEE80211_VHTOP0_CHAN_WIDTH_SHIFT; return (op_chan_width == IEEE80211_VHTOP0_CHAN_WIDTH_160); } /* * Check if the peer supports HE. * Require a HE capabilities IE and support for HE MCS with a single * spatial stream. */ static inline int ieee80211_node_supports_he(struct ieee80211_node *ni) { uint16_t rx_mcs; rx_mcs = (ni->ni_he_rxmcs_80 & IEEE80211_HE_MCS_FOR_SS_MASK(1)) >> IEEE80211_HE_MCS_FOR_SS_SHIFT(1); return ((ni->ni_flags & IEEE80211_NODE_HECAP) && rx_mcs != IEEE80211_HE_MCS_SS_NOT_SUPP); } struct ieee80211com; typedef void ieee80211_iter_func(void *, struct ieee80211_node *); void ieee80211_node_attach(struct ifnet *); void ieee80211_node_lateattach(struct ifnet *); void ieee80211_node_detach(struct ifnet *); void ieee80211_begin_scan(struct ifnet *); void ieee80211_next_scan(struct ifnet *); void ieee80211_end_scan(struct ifnet *); void ieee80211_reset_scan(struct ifnet *); struct ieee80211_node *ieee80211_alloc_node(struct ieee80211com *, const u_int8_t *); struct ieee80211_node *ieee80211_dup_bss(struct ieee80211com *, const u_int8_t *); struct ieee80211_node *ieee80211_find_node(struct ieee80211com *, const u_int8_t *); void ieee80211_node_tx_ba_clear(struct ieee80211_node *, int); void ieee80211_ba_del(struct ieee80211_node *); struct ieee80211_node *ieee80211_find_rxnode(struct ieee80211com *, const struct ieee80211_frame *); struct ieee80211_node *ieee80211_find_txnode(struct ieee80211com *, const u_int8_t *); void ieee80211_release_node(struct ieee80211com *, struct ieee80211_node *); void ieee80211_node_cleanup(struct ieee80211com *, struct ieee80211_node *); void ieee80211_free_allnodes(struct ieee80211com *, int); void ieee80211_iterate_nodes(struct ieee80211com *, ieee80211_iter_func *, void *); void ieee80211_clean_cached(struct ieee80211com *); void ieee80211_clean_nodes(struct ieee80211com *, int); void ieee80211_setup_htcaps(struct ieee80211_node *, const uint8_t *, uint8_t); void ieee80211_clear_htcaps(struct ieee80211_node *); int ieee80211_setup_htop(struct ieee80211_node *, const uint8_t *, uint8_t, int); void ieee80211_setup_vhtcaps(struct ieee80211_node *, const uint8_t *, uint8_t); void ieee80211_clear_vhtcaps(struct ieee80211_node *); int ieee80211_setup_vhtop(struct ieee80211_node *, const uint8_t *, uint8_t, int); void ieee80211_setup_hecaps(struct ieee80211_node *, const uint8_t *, uint8_t); void ieee80211_clear_hecaps(struct ieee80211_node *); int ieee80211_setup_heop(struct ieee80211_node *, const uint8_t *, uint8_t, int); int ieee80211_setup_rates(struct ieee80211com *, struct ieee80211_node *, const u_int8_t *, const u_int8_t *, int); enum ieee80211_phymode ieee80211_node_abg_mode(struct ieee80211com *, struct ieee80211_node *); void ieee80211_node_trigger_addba_req(struct ieee80211_node *, int); void ieee80211_count_longslotsta(void *, struct ieee80211_node *); void ieee80211_count_nonerpsta(void *, struct ieee80211_node *); void ieee80211_count_pssta(void *, struct ieee80211_node *); void ieee80211_count_rekeysta(void *, struct ieee80211_node *); void ieee80211_node_join(struct ieee80211com *, struct ieee80211_node *, int); void ieee80211_node_leave(struct ieee80211com *, struct ieee80211_node *); int ieee80211_match_bss(struct ieee80211com *, struct ieee80211_node *, int); void ieee80211_node_switch_bss(struct ieee80211com *, struct ieee80211_node *); void ieee80211_node_tx_stopped(struct ieee80211com *, struct ieee80211_node *); struct ieee80211_node *ieee80211_node_choose_bss(struct ieee80211com *, int, struct ieee80211_node **); void ieee80211_node_join_bss(struct ieee80211com *, struct ieee80211_node *); void ieee80211_create_ibss(struct ieee80211com* , struct ieee80211_channel *); void ieee80211_notify_dtim(struct ieee80211com *); void ieee80211_set_tim(struct ieee80211com *, int, int); void ieee80211_free_node(struct ieee80211com *, struct ieee80211_node *); int ieee80211_node_cmp(const struct ieee80211_node *, const struct ieee80211_node *); int ieee80211_ess_cmp(const struct ieee80211_ess_rbt *, const struct ieee80211_ess_rbt *); RBT_PROTOTYPE(ieee80211_tree, ieee80211_node, ni_node, ieee80211_node_cmp); RBT_PROTOTYPE(ieee80211_ess_tree, ieee80211_ess_rbt, ess_rbt, ieee80211_ess_cmp); #endif /* _NET80211_IEEE80211_NODE_H_ */