diff --git a/sys/net80211/_ieee80211.h b/sys/net80211/_ieee80211.h index 1ac9328714f7..5c7e6110026d 100644 --- a/sys/net80211/_ieee80211.h +++ b/sys/net80211/_ieee80211.h @@ -1,633 +1,654 @@ /*- * SPDX-License-Identifier: BSD-2-Clause * * Copyright (c) 2001 Atsushi Onoe * Copyright (c) 2002-2008 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. */ #ifndef _NET80211__IEEE80211_H_ #define _NET80211__IEEE80211_H_ /* * 802.11 implementation definitions. * * NB: this file is used by applications. */ /* * PHY type; mostly used to identify FH phys. */ enum ieee80211_phytype { IEEE80211_T_DS, /* direct sequence spread spectrum */ IEEE80211_T_FH, /* frequency hopping */ IEEE80211_T_OFDM, /* frequency division multiplexing */ IEEE80211_T_TURBO, /* high rate OFDM, aka turbo mode */ IEEE80211_T_HT, /* high throughput */ IEEE80211_T_OFDM_HALF, /* 1/2 rate OFDM */ IEEE80211_T_OFDM_QUARTER, /* 1/4 rate OFDM */ IEEE80211_T_VHT, /* VHT PHY */ }; #define IEEE80211_T_CCK IEEE80211_T_DS /* more common nomenclature */ /* * PHY mode; this is not really a mode as multi-mode devices * have multiple PHY's. Mode is mostly used as a shorthand * for constraining which channels to consider in setting up * operation. Modes used to be used more extensively when * channels were identified as IEEE channel numbers. */ enum ieee80211_phymode { IEEE80211_MODE_AUTO = 0, /* autoselect */ IEEE80211_MODE_11A = 1, /* 5GHz, OFDM */ IEEE80211_MODE_11B = 2, /* 2GHz, CCK */ IEEE80211_MODE_11G = 3, /* 2GHz, OFDM */ IEEE80211_MODE_FH = 4, /* 2GHz, GFSK */ IEEE80211_MODE_TURBO_A = 5, /* 5GHz, OFDM, 2x clock */ IEEE80211_MODE_TURBO_G = 6, /* 2GHz, OFDM, 2x clock */ IEEE80211_MODE_STURBO_A = 7, /* 5GHz, OFDM, 2x clock, static */ IEEE80211_MODE_11NA = 8, /* 5GHz, w/ HT */ IEEE80211_MODE_11NG = 9, /* 2GHz, w/ HT */ IEEE80211_MODE_HALF = 10, /* OFDM, 1/2x clock */ IEEE80211_MODE_QUARTER = 11, /* OFDM, 1/4x clock */ IEEE80211_MODE_VHT_2GHZ = 12, /* 2GHz, VHT */ IEEE80211_MODE_VHT_5GHZ = 13, /* 5GHz, VHT */ }; #define IEEE80211_MODE_MAX (IEEE80211_MODE_VHT_5GHZ+1) #define IEEE80211_MODE_BYTES howmany(IEEE80211_MODE_MAX, NBBY) /* * Operating mode. Devices do not necessarily support * all modes; they indicate which are supported in their * capabilities. */ enum ieee80211_opmode { IEEE80211_M_IBSS = 0, /* IBSS (adhoc) station */ IEEE80211_M_STA = 1, /* infrastructure station */ IEEE80211_M_WDS = 2, /* WDS link */ IEEE80211_M_AHDEMO = 3, /* Old lucent compatible adhoc demo */ IEEE80211_M_HOSTAP = 4, /* Software Access Point */ IEEE80211_M_MONITOR = 5, /* Monitor mode */ IEEE80211_M_MBSS = 6, /* MBSS (Mesh Point) link */ }; #define IEEE80211_OPMODE_MAX (IEEE80211_M_MBSS+1) /* * 802.11g/802.11n protection mode. */ enum ieee80211_protmode { IEEE80211_PROT_NONE = 0, /* no protection */ IEEE80211_PROT_CTSONLY = 1, /* CTS to self */ IEEE80211_PROT_RTSCTS = 2, /* RTS-CTS */ }; /* * Authentication mode. The open and shared key authentication * modes are implemented within the 802.11 layer. 802.1x and * WPA/802.11i are implemented in user mode by setting the * 802.11 layer into IEEE80211_AUTH_8021X and deferring * authentication to user space programs. */ enum ieee80211_authmode { IEEE80211_AUTH_NONE = 0, IEEE80211_AUTH_OPEN = 1, /* open */ IEEE80211_AUTH_SHARED = 2, /* shared-key */ IEEE80211_AUTH_8021X = 3, /* 802.1x */ IEEE80211_AUTH_AUTO = 4, /* auto-select/accept */ /* NB: these are used only for ioctls */ IEEE80211_AUTH_WPA = 5, /* WPA/RSN w/ 802.1x/PSK */ }; /* * Roaming mode is effectively who controls the operation * of the 802.11 state machine when operating as a station. * State transitions are controlled either by the driver * (typically when management frames are processed by the * hardware/firmware), the host (auto/normal operation of * the 802.11 layer), or explicitly through ioctl requests * when applications like wpa_supplicant want control. */ enum ieee80211_roamingmode { IEEE80211_ROAMING_DEVICE= 0, /* driver/hardware control */ IEEE80211_ROAMING_AUTO = 1, /* 802.11 layer control */ IEEE80211_ROAMING_MANUAL= 2, /* application control */ }; /* * Channels are specified by frequency and attributes. */ struct ieee80211_channel { uint32_t ic_flags; /* see below */ uint16_t ic_freq; /* primary centre frequency in MHz */ uint8_t ic_ieee; /* IEEE channel number */ int8_t ic_maxregpower; /* maximum regulatory tx power in dBm */ int8_t ic_maxpower; /* maximum tx power in .5 dBm */ int8_t ic_minpower; /* minimum tx power in .5 dBm */ uint8_t ic_state; /* dynamic state */ uint8_t ic_extieee; /* HT40 extension channel number */ int8_t ic_maxantgain; /* maximum antenna gain in .5 dBm */ uint8_t ic_pad; uint16_t ic_devdata; /* opaque device/driver data */ uint8_t ic_vht_ch_freq1; /* VHT primary freq1 IEEE value */ uint8_t ic_vht_ch_freq2; /* VHT secondary 80MHz freq2 IEEE value */ uint16_t ic_freq2; /* VHT secondary 80MHz freq2 MHz */ }; /* * Note: for VHT operation we will need significantly more than * IEEE80211_CHAN_MAX channels because of the combinations of * VHT20, VHT40, VHT80, VHT160, and VHT80+80. */ #define IEEE80211_CHAN_MAX 1024 #define IEEE80211_CHAN_BYTES howmany(IEEE80211_CHAN_MAX, NBBY) #define IEEE80211_CHAN_ANY 0xffff /* token for ``any channel'' */ #define IEEE80211_CHAN_ANYC \ ((struct ieee80211_channel *) IEEE80211_CHAN_ANY) /* channel attributes */ #define IEEE80211_CHAN_PRIV0 0x00000001 /* driver private bit 0 */ #define IEEE80211_CHAN_PRIV1 0x00000002 /* driver private bit 1 */ #define IEEE80211_CHAN_PRIV2 0x00000004 /* driver private bit 2 */ #define IEEE80211_CHAN_PRIV3 0x00000008 /* driver private bit 3 */ #define IEEE80211_CHAN_TURBO 0x00000010 /* Turbo channel */ #define IEEE80211_CHAN_CCK 0x00000020 /* CCK channel */ #define IEEE80211_CHAN_OFDM 0x00000040 /* OFDM channel */ #define IEEE80211_CHAN_2GHZ 0x00000080 /* 2 GHz spectrum channel. */ #define IEEE80211_CHAN_5GHZ 0x00000100 /* 5 GHz spectrum channel */ #define IEEE80211_CHAN_PASSIVE 0x00000200 /* Only passive scan allowed */ #define IEEE80211_CHAN_DYN 0x00000400 /* Dynamic CCK-OFDM channel */ #define IEEE80211_CHAN_GFSK 0x00000800 /* GFSK channel (FHSS PHY) */ #define IEEE80211_CHAN_GSM 0x00001000 /* 900 MHz spectrum channel */ #define IEEE80211_CHAN_STURBO 0x00002000 /* 11a static turbo channel only */ #define IEEE80211_CHAN_HALF 0x00004000 /* Half rate channel */ #define IEEE80211_CHAN_QUARTER 0x00008000 /* Quarter rate channel */ #define IEEE80211_CHAN_HT20 0x00010000 /* HT 20 channel */ #define IEEE80211_CHAN_HT40U 0x00020000 /* HT 40 channel w/ ext above */ #define IEEE80211_CHAN_HT40D 0x00040000 /* HT 40 channel w/ ext below */ #define IEEE80211_CHAN_DFS 0x00080000 /* DFS required */ #define IEEE80211_CHAN_4MSXMIT 0x00100000 /* 4ms limit on frame length */ #define IEEE80211_CHAN_NOADHOC 0x00200000 /* adhoc mode not allowed */ #define IEEE80211_CHAN_NOHOSTAP 0x00400000 /* hostap mode not allowed */ #define IEEE80211_CHAN_11D 0x00800000 /* 802.11d required */ #define IEEE80211_CHAN_VHT20 0x01000000 /* VHT20 channel */ #define IEEE80211_CHAN_VHT40U 0x02000000 /* VHT40 channel, ext above */ #define IEEE80211_CHAN_VHT40D 0x04000000 /* VHT40 channel, ext below */ #define IEEE80211_CHAN_VHT80 0x08000000 /* VHT80 channel */ #define IEEE80211_CHAN_VHT160 0x10000000 /* VHT160 channel */ #define IEEE80211_CHAN_VHT80P80 0x20000000 /* VHT80+80 channel */ /* XXX note: 0x80000000 is used in src/sbin/ifconfig/ifieee80211.c :( */ #define IEEE80211_CHAN_HT40 (IEEE80211_CHAN_HT40U | IEEE80211_CHAN_HT40D) #define IEEE80211_CHAN_HT (IEEE80211_CHAN_HT20 | IEEE80211_CHAN_HT40) #define IEEE80211_CHAN_VHT40 (IEEE80211_CHAN_VHT40U | IEEE80211_CHAN_VHT40D) #define IEEE80211_CHAN_VHT (IEEE80211_CHAN_VHT20 | IEEE80211_CHAN_VHT40 \ | IEEE80211_CHAN_VHT80 | IEEE80211_CHAN_VHT160 \ | IEEE80211_CHAN_VHT80P80) #define IEEE80211_CHAN_BITS \ "\20\1PRIV0\2PRIV2\3PRIV3\4PRIV4\5TURBO\6CCK\7OFDM\0102GHZ\0115GHZ" \ "\12PASSIVE\13DYN\14GFSK\15GSM\16STURBO\17HALF\20QUARTER\21HT20" \ "\22HT40U\23HT40D\24DFS\0254MSXMIT\26NOADHOC\27NOHOSTAP\03011D" \ "\031VHT20\032VHT40U\033VHT40D\034VHT80\035VHT160\036VHT80P80" /* * Useful combinations of channel characteristics. */ #define IEEE80211_CHAN_FHSS \ (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_GFSK) #define IEEE80211_CHAN_A \ (IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM) #define IEEE80211_CHAN_B \ (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_CCK) #define IEEE80211_CHAN_PUREG \ (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_OFDM) #define IEEE80211_CHAN_G \ (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_DYN) #define IEEE80211_CHAN_108A \ (IEEE80211_CHAN_A | IEEE80211_CHAN_TURBO) #define IEEE80211_CHAN_108G \ (IEEE80211_CHAN_PUREG | IEEE80211_CHAN_TURBO) #define IEEE80211_CHAN_ST \ (IEEE80211_CHAN_108A | IEEE80211_CHAN_STURBO) #define IEEE80211_CHAN_ALL \ (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_GFSK | \ IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | IEEE80211_CHAN_DYN | \ IEEE80211_CHAN_HALF | IEEE80211_CHAN_QUARTER | \ IEEE80211_CHAN_HT | IEEE80211_CHAN_VHT) #define IEEE80211_CHAN_ALLTURBO \ (IEEE80211_CHAN_ALL | IEEE80211_CHAN_TURBO | IEEE80211_CHAN_STURBO) #define IEEE80211_IS_CHAN_FHSS(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_FHSS) == IEEE80211_CHAN_FHSS) #define IEEE80211_IS_CHAN_A(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_A) == IEEE80211_CHAN_A) #define IEEE80211_IS_CHAN_B(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_B) == IEEE80211_CHAN_B) #define IEEE80211_IS_CHAN_PUREG(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_PUREG) == IEEE80211_CHAN_PUREG) #define IEEE80211_IS_CHAN_G(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_G) == IEEE80211_CHAN_G) #define IEEE80211_IS_CHAN_ANYG(_c) \ (IEEE80211_IS_CHAN_PUREG(_c) || IEEE80211_IS_CHAN_G(_c)) #define IEEE80211_IS_CHAN_ST(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_ST) == IEEE80211_CHAN_ST) #define IEEE80211_IS_CHAN_108A(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_108A) == IEEE80211_CHAN_108A) #define IEEE80211_IS_CHAN_108G(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_108G) == IEEE80211_CHAN_108G) #define IEEE80211_IS_CHAN_2GHZ(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_2GHZ) != 0) #define IEEE80211_IS_CHAN_5GHZ(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_5GHZ) != 0) #define IEEE80211_IS_CHAN_PASSIVE(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_PASSIVE) != 0) #define IEEE80211_IS_CHAN_OFDM(_c) \ (((_c)->ic_flags & (IEEE80211_CHAN_OFDM | IEEE80211_CHAN_DYN)) != 0) #define IEEE80211_IS_CHAN_CCK(_c) \ (((_c)->ic_flags & (IEEE80211_CHAN_CCK | IEEE80211_CHAN_DYN)) != 0) #define IEEE80211_IS_CHAN_DYN(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_DYN) == IEEE80211_CHAN_DYN) #define IEEE80211_IS_CHAN_GFSK(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_GFSK) != 0) #define IEEE80211_IS_CHAN_TURBO(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_TURBO) != 0) #define IEEE80211_IS_CHAN_STURBO(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_STURBO) != 0) #define IEEE80211_IS_CHAN_DTURBO(_c) \ (((_c)->ic_flags & \ (IEEE80211_CHAN_TURBO | IEEE80211_CHAN_STURBO)) == IEEE80211_CHAN_TURBO) #define IEEE80211_IS_CHAN_HALF(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_HALF) != 0) #define IEEE80211_IS_CHAN_QUARTER(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_QUARTER) != 0) #define IEEE80211_IS_CHAN_FULL(_c) \ (((_c)->ic_flags & (IEEE80211_CHAN_QUARTER | IEEE80211_CHAN_HALF)) == 0) #define IEEE80211_IS_CHAN_GSM(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_GSM) != 0) #define IEEE80211_IS_CHAN_HT(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_HT) != 0) #define IEEE80211_IS_CHAN_HT20(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_HT20) != 0) #define IEEE80211_IS_CHAN_HT40(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_HT40) != 0) #define IEEE80211_IS_CHAN_HT40U(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_HT40U) != 0) #define IEEE80211_IS_CHAN_HT40D(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_HT40D) != 0) #define IEEE80211_IS_CHAN_HTA(_c) \ (IEEE80211_IS_CHAN_5GHZ(_c) && \ ((_c)->ic_flags & IEEE80211_CHAN_HT) != 0) #define IEEE80211_IS_CHAN_HTG(_c) \ (IEEE80211_IS_CHAN_2GHZ(_c) && \ ((_c)->ic_flags & IEEE80211_CHAN_HT) != 0) #define IEEE80211_IS_CHAN_DFS(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_DFS) != 0) #define IEEE80211_IS_CHAN_NOADHOC(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_NOADHOC) != 0) #define IEEE80211_IS_CHAN_NOHOSTAP(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_NOHOSTAP) != 0) #define IEEE80211_IS_CHAN_11D(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_11D) != 0) #define IEEE80211_IS_CHAN_VHT(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_VHT) != 0) #define IEEE80211_IS_CHAN_VHT_2GHZ(_c) \ (IEEE80211_IS_CHAN_2GHZ(_c) && \ ((_c)->ic_flags & IEEE80211_CHAN_VHT) != 0) #define IEEE80211_IS_CHAN_VHT_5GHZ(_c) \ (IEEE80211_IS_CHAN_5GHZ(_c) && \ ((_c)->ic_flags & IEEE80211_CHAN_VHT) != 0) #define IEEE80211_IS_CHAN_VHT20(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_VHT20) != 0) #define IEEE80211_IS_CHAN_VHT40(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_VHT40) != 0) #define IEEE80211_IS_CHAN_VHT40U(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_VHT40U) != 0) #define IEEE80211_IS_CHAN_VHT40D(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_VHT40D) != 0) #define IEEE80211_IS_CHAN_VHTA(_c) \ (IEEE80211_IS_CHAN_5GHZ(_c) && \ ((_c)->ic_flags & IEEE80211_CHAN_VHT) != 0) #define IEEE80211_IS_CHAN_VHTG(_c) \ (IEEE80211_IS_CHAN_2GHZ(_c) && \ ((_c)->ic_flags & IEEE80211_CHAN_VHT) != 0) #define IEEE80211_IS_CHAN_VHT80(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_VHT80) != 0) #define IEEE80211_IS_CHAN_VHT160(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_VHT160) != 0) #define IEEE80211_IS_CHAN_VHT80P80(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_VHT80P80) != 0) #define IEEE80211_CHAN2IEEE(_c) (_c)->ic_ieee /* dynamic state */ #define IEEE80211_CHANSTATE_RADAR 0x01 /* radar detected */ #define IEEE80211_CHANSTATE_CACDONE 0x02 /* CAC completed */ #define IEEE80211_CHANSTATE_CWINT 0x04 /* interference detected */ #define IEEE80211_CHANSTATE_NORADAR 0x10 /* post notify on radar clear */ #define IEEE80211_IS_CHAN_RADAR(_c) \ (((_c)->ic_state & IEEE80211_CHANSTATE_RADAR) != 0) #define IEEE80211_IS_CHAN_CACDONE(_c) \ (((_c)->ic_state & IEEE80211_CHANSTATE_CACDONE) != 0) #define IEEE80211_IS_CHAN_CWINT(_c) \ (((_c)->ic_state & IEEE80211_CHANSTATE_CWINT) != 0) /* ni_chan encoding for FH phy */ #define IEEE80211_FH_CHANMOD 80 #define IEEE80211_FH_CHAN(set,pat) (((set)-1)*IEEE80211_FH_CHANMOD+(pat)) #define IEEE80211_FH_CHANSET(chan) ((chan)/IEEE80211_FH_CHANMOD+1) #define IEEE80211_FH_CHANPAT(chan) ((chan)%IEEE80211_FH_CHANMOD) #define IEEE80211_TID_SIZE (WME_NUM_TID+1) /* WME TID's +1 for non-QoS */ #define IEEE80211_NONQOS_TID WME_NUM_TID /* index for non-QoS sta */ /* * 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 128. This * number may be overridden by the driver and/or by * user configuration but may not be less than IEEE80211_AID_MIN. */ #define IEEE80211_AID_DEF 128 #define IEEE80211_AID_MIN 16 /* * 802.11 rate set. */ #define IEEE80211_RATE_SIZE 8 /* 802.11 standard */ #define IEEE80211_RATE_MAXSIZE 15 /* max rates we'll handle */ struct ieee80211_rateset { uint8_t rs_nrates; uint8_t rs_rates[IEEE80211_RATE_MAXSIZE]; }; /* * 802.11n variant of ieee80211_rateset. Instead of * legacy rates the entries are MCS rates. We define * the structure such that it can be used interchangeably * with an ieee80211_rateset (modulo structure size). */ #define IEEE80211_HTRATE_MAXSIZE 77 struct ieee80211_htrateset { uint8_t rs_nrates; uint8_t rs_rates[IEEE80211_HTRATE_MAXSIZE]; }; #define IEEE80211_RATE_MCS 0x80 /* * Per-mode transmit parameters/controls visible to user space. * These can be used to set fixed transmit rate for all operating * modes or on a per-client basis according to the capabilities * of the client (e.g. an 11b client associated to an 11g ap). * * MCS are distinguished from legacy rates by or'ing in 0x80. */ struct ieee80211_txparam { uint8_t ucastrate; /* ucast data rate (legacy/MCS|0x80) */ uint8_t mgmtrate; /* mgmt frame rate (legacy/MCS|0x80) */ uint8_t mcastrate; /* multicast rate (legacy/MCS|0x80) */ uint8_t maxretry; /* max unicast data retry count */ }; /* * Per-mode roaming state visible to user space. There are two * thresholds that control whether roaming is considered; when * either is exceeded the 802.11 layer will check the scan cache * for another AP. If the cache is stale then a scan may be * triggered. */ struct ieee80211_roamparam { int8_t rssi; /* rssi thresh (.5 dBm) */ uint8_t rate; /* tx rate thresh (.5 Mb/s or MCS) */ uint16_t pad; /* reserve */ }; /* * Regulatory Information. */ struct ieee80211_regdomain { uint16_t regdomain; /* SKU */ uint16_t country; /* ISO country code */ uint8_t location; /* I (indoor), O (outdoor), other */ uint8_t ecm; /* Extended Channel Mode */ char isocc[2]; /* country code string */ short pad[2]; }; /* * MIMO antenna/radio state. */ #define IEEE80211_MAX_CHAINS 4 /* * This is the number of sub-channels for a channel. * 0 - pri20 * 1 - sec20 (HT40, VHT40) * 2 - sec40 (VHT80) * 3 - sec80 (VHT80+80, VHT160) */ #define IEEE80211_MAX_CHAIN_PRISEC 4 #define IEEE80211_MAX_EVM_DWORDS 16 /* 16 pilots, 4 chains */ #define IEEE80211_MAX_EVM_PILOTS 16 /* 468 subcarriers, 16 pilots */ struct ieee80211_mimo_chan_info { int8_t rssi[IEEE80211_MAX_CHAIN_PRISEC]; int8_t noise[IEEE80211_MAX_CHAIN_PRISEC]; }; struct ieee80211_mimo_info { struct ieee80211_mimo_chan_info ch[IEEE80211_MAX_CHAINS]; uint32_t evm[IEEE80211_MAX_EVM_DWORDS]; }; /* * ic_caps/iv_caps: device driver capabilities */ /* 0x2e available */ #define IEEE80211_C_STA 0x00000001 /* CAPABILITY: STA available */ #define IEEE80211_C_8023ENCAP 0x00000002 /* CAPABILITY: 802.3 encap */ #define IEEE80211_C_FF 0x00000040 /* CAPABILITY: ATH FF avail */ #define IEEE80211_C_TURBOP 0x00000080 /* CAPABILITY: ATH Turbo avail*/ #define IEEE80211_C_IBSS 0x00000100 /* CAPABILITY: IBSS available */ #define IEEE80211_C_PMGT 0x00000200 /* CAPABILITY: Power mgmt */ #define IEEE80211_C_HOSTAP 0x00000400 /* CAPABILITY: HOSTAP avail */ #define IEEE80211_C_AHDEMO 0x00000800 /* CAPABILITY: Old Adhoc Demo */ #define IEEE80211_C_SWRETRY 0x00001000 /* CAPABILITY: sw tx retry */ #define IEEE80211_C_TXPMGT 0x00002000 /* CAPABILITY: tx power mgmt */ #define IEEE80211_C_SHSLOT 0x00004000 /* CAPABILITY: short slottime */ #define IEEE80211_C_SHPREAMBLE 0x00008000 /* CAPABILITY: short preamble */ #define IEEE80211_C_MONITOR 0x00010000 /* CAPABILITY: monitor mode */ #define IEEE80211_C_DFS 0x00020000 /* CAPABILITY: DFS/radar avail*/ #define IEEE80211_C_MBSS 0x00040000 /* CAPABILITY: MBSS available */ #define IEEE80211_C_SWSLEEP 0x00080000 /* CAPABILITY: do sleep here */ #define IEEE80211_C_SWAMSDUTX 0x00100000 /* CAPABILITY: software A-MSDU TX */ #define IEEE80211_C_UAPSD 0x00200000 /* CAPABILITY: U-APSD */ /* 0x7c0000 available */ #define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */ #define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */ #define IEEE80211_C_WPA 0x01800000 /* CAPABILITY: WPA1+WPA2 avail*/ #define IEEE80211_C_BURST 0x02000000 /* CAPABILITY: frame bursting */ #define IEEE80211_C_WME 0x04000000 /* CAPABILITY: WME avail */ #define IEEE80211_C_WDS 0x08000000 /* CAPABILITY: 4-addr support */ /* 0x10000000 reserved */ #define IEEE80211_C_BGSCAN 0x20000000 /* CAPABILITY: bg scanning */ #define IEEE80211_C_TXFRAG 0x40000000 /* CAPABILITY: tx fragments */ #define IEEE80211_C_TDMA 0x80000000 /* CAPABILITY: TDMA avail */ /* XXX protection/barker? */ #define IEEE80211_C_OPMODE \ (IEEE80211_C_STA | IEEE80211_C_IBSS | IEEE80211_C_HOSTAP | \ IEEE80211_C_AHDEMO | IEEE80211_C_MONITOR | IEEE80211_C_WDS | \ IEEE80211_C_TDMA | IEEE80211_C_MBSS) #define IEEE80211_C_BITS \ "\20\1STA\002803ENCAP\7FF\10TURBOP\11IBSS\12PMGT" \ "\13HOSTAP\14AHDEMO\15SWRETRY\16TXPMGT\17SHSLOT\20SHPREAMBLE" \ "\21MONITOR\22DFS\23MBSS\30WPA1\31WPA2\32BURST\33WME\34WDS\36BGSCAN" \ "\37TXFRAG\40TDMA" /* * ic_htcaps/iv_htcaps: HT-specific device/driver capabilities * * NB: the low 16-bits are the 802.11 definitions, the upper * 16-bits are used to define s/w/driver capabilities. */ #define IEEE80211_HTC_AMPDU 0x00010000 /* CAPABILITY: A-MPDU tx */ #define IEEE80211_HTC_AMSDU 0x00020000 /* CAPABILITY: A-MSDU tx */ /* NB: HT40 is implied by IEEE80211_HTCAP_CHWIDTH40 */ #define IEEE80211_HTC_HT 0x00040000 /* CAPABILITY: HT operation */ #define IEEE80211_HTC_SMPS 0x00080000 /* CAPABILITY: MIMO power save*/ #define IEEE80211_HTC_RIFS 0x00100000 /* CAPABILITY: RIFS support */ #define IEEE80211_HTC_RXUNEQUAL 0x00200000 /* CAPABILITY: RX unequal MCS */ #define IEEE80211_HTC_RXMCS32 0x00400000 /* CAPABILITY: MCS32 support */ #define IEEE80211_HTC_TXUNEQUAL 0x00800000 /* CAPABILITY: TX unequal MCS */ #define IEEE80211_HTC_TXMCS32 0x01000000 /* CAPABILITY: MCS32 support */ #define IEEE80211_HTC_TXLDPC 0x02000000 /* CAPABILITY: TX using LDPC */ #define IEEE80211_HTC_RX_AMSDU_AMPDU 0x04000000 /* CAPABILITY: RX A-MSDU in A-MPDU */ #define IEEE80211_HTC_TX_AMSDU_AMPDU 0x08000000 /* CAPABILITY: TX A-MSDU in A-MPDU */ #define IEEE80211_C_HTCAP_BITS \ "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \ "\21AMPDU\22AMSDU\23HT\24SMPS\25RIFS\32TXLDPC\33RXAMSDUAMPDU" \ "\34TXAMSDUAMPDU" +/* + * AKM (key management) suite capability list. + * + * These represent what's in 802.11-2016 - Table 9-133 - AKM Suite Selectors. + * Note that they do not match what the table values are, in case other key + * management suites want to be added with different OUIs. + */ +#define IEEE80211_KEYMGMT_RSN_UNSPEC_802_1X 0x00000001 /* RSN suite 1 */ +#define IEEE80211_KEYMGMT_RSN_PSK_OVER_802_1X 0x00000002 /* RSN suite 2 */ +#define IEEE80211_KEYMGMT_RSN_FT_OVER_802_1X 0x00000004 /* RSN suite 3 */ +#define IEEE80211_KEYMGMT_RSN_FT_PSK 0x00000008 /* RSN suite 4 */ +#define IEEE80211_KEYMGMT_RSN_802_1X_SHA256 0x00000010 /* RSN suite 5 */ +#define IEEE80211_KEYMGMT_RSN_PSK_SHA256 0x00000020 /* RSN suite 6 */ +#define IEEE80211_KEYMGMT_RSN_TPK_HANDSHAKE 0x00000040 /* RSN suite 7 */ +#define IEEE80211_KEYMGMT_RSN_SAE 0x00000080 /* RSN suite 8 */ +#define IEEE80211_KEYMGMT_RSN_FT_SAE 0x00000100 /* RSN suite 9 */ +#define IEEE80211_KEYMGMT_RSN_APPEERKEY_SHA256 0x00000200 /* RSN suite 10 */ +#define IEEE80211_KEYMGMT_RSN_802_1X_SUITE_B 0x00000400 /* RSN suite 11 */ +#define IEEE80211_KEYMGMT_RSN_802_1X_SUITE_B_192 0x00000800 /* RSN suite 12 */ +#define IEEE80211_KEYMGMT_RSN_FT_802_1X_SHA384 0x00001000 /* RSN suite 13 */ + /* * RX status notification - which fields are valid. */ #define IEEE80211_R_NF 0x00000001 /* global NF value valid */ #define IEEE80211_R_RSSI 0x00000002 /* global RSSI value valid */ #define IEEE80211_R_C_CHAIN 0x00000004 /* RX chain count valid */ #define IEEE80211_R_C_NF 0x00000008 /* per-chain NF value valid */ #define IEEE80211_R_C_RSSI 0x00000010 /* per-chain RSSI value valid */ #define IEEE80211_R_C_EVM 0x00000020 /* per-chain EVM valid */ #define IEEE80211_R_C_HT40 0x00000040 /* RX'ed packet is 40mhz, pilots 4,5 valid */ #define IEEE80211_R_FREQ 0x00000080 /* Freq value populated, MHz */ #define IEEE80211_R_IEEE 0x00000100 /* IEEE value populated */ #define IEEE80211_R_BAND 0x00000200 /* Frequency band populated */ #define IEEE80211_R_TSF32 0x00004000 /* 32 bit TSF */ #define IEEE80211_R_TSF64 0x00008000 /* 64 bit TSF */ #define IEEE80211_R_TSF_START 0x00010000 /* TSF is sampled at start of frame */ #define IEEE80211_R_TSF_END 0x00020000 /* TSF is sampled at end of frame */ /* * RX status notification - describe the packet. */ #define IEEE80211_RX_F_STBC 0x00000001 #define IEEE80211_RX_F_LDPC 0x00000002 #define IEEE80211_RX_F_AMSDU 0x00000004 /* This is the start of an decap AMSDU list */ #define IEEE80211_RX_F_AMSDU_MORE 0x00000008 /* This is another decap AMSDU frame in the batch */ #define IEEE80211_RX_F_AMPDU 0x00000010 /* This is the start of an decap AMPDU list */ #define IEEE80211_RX_F_AMPDU_MORE 0x00000020 /* This is another decap AMPDU frame in the batch */ #define IEEE80211_RX_F_FAIL_FCSCRC 0x00000040 /* Failed CRC/FCS */ #define IEEE80211_RX_F_FAIL_MIC 0x00000080 /* Failed MIC check */ #define IEEE80211_RX_F_DECRYPTED 0x00000100 /* Hardware decrypted */ #define IEEE80211_RX_F_IV_STRIP 0x00000200 /* Decrypted; IV stripped */ #define IEEE80211_RX_F_MMIC_STRIP 0x00000400 /* Decrypted; MMIC stripped */ #define IEEE80211_RX_F_SHORTGI 0x00000800 /* This is a short-GI frame */ #define IEEE80211_RX_F_CCK 0x00001000 #define IEEE80211_RX_F_OFDM 0x00002000 #define IEEE80211_RX_F_HT 0x00004000 #define IEEE80211_RX_F_VHT 0x00008000 /* Channel width */ #define IEEE80211_RX_FW_20MHZ 1 #define IEEE80211_RX_FW_40MHZ 2 #define IEEE80211_RX_FW_80MHZ 3 #define IEEE80211_RX_FW_160MHZ 4 /* PHY type */ #define IEEE80211_RX_FP_11B 1 #define IEEE80211_RX_FP_11G 2 #define IEEE80211_RX_FP_11A 3 #define IEEE80211_RX_FP_11NA 4 #define IEEE80211_RX_FP_11NG 5 struct ieee80211_rx_stats { uint32_t r_flags; /* IEEE80211_R_* flags */ uint32_t c_pktflags; /* IEEE80211_RX_F_* flags */ uint64_t c_rx_tsf; /* 32 or 64 bit TSF */ /* All DWORD aligned */ int16_t c_nf_ctl[IEEE80211_MAX_CHAINS]; /* per-chain NF */ int16_t c_nf_ext[IEEE80211_MAX_CHAINS]; /* per-chain NF */ int16_t c_rssi_ctl[IEEE80211_MAX_CHAINS]; /* per-chain RSSI */ int16_t c_rssi_ext[IEEE80211_MAX_CHAINS]; /* per-chain RSSI */ /* 32 bits */ int8_t c_nf; /* global NF */ int8_t c_rssi; /* global RSSI */ uint8_t c_chain; /* number of RX chains involved */ uint8_t c_rate; /* legacy; 11n rate code; VHT MCS */ /* 32 bits */ uint16_t c_freq; /* Frequency, MHz */ uint8_t c_ieee; /* Channel */ uint8_t c_width; /* channel width, FW flags above */ /* 32 bits */ uint32_t c_band; /* Band; XXX we do not have a real band. */ /* Force alignment to DWORD */ union { uint8_t evm[IEEE80211_MAX_CHAINS][IEEE80211_MAX_EVM_PILOTS]; /* per-chain, per-pilot EVM values */ uint32_t __aln[8]; } evm; /* 32 bits */ uint8_t c_phytype; /* PHY type, FW flags above */ uint8_t c_vhtnss; /* VHT - number of spatial streams */ uint8_t c_pad2[2]; }; struct ieee80211_rx_params { struct ieee80211_rx_stats params; }; #endif /* _NET80211__IEEE80211_H_ */ diff --git a/sys/net80211/ieee80211.c b/sys/net80211/ieee80211.c index 1c82493274bb..ecb46e08713c 100644 --- a/sys/net80211/ieee80211.c +++ b/sys/net80211/ieee80211.c @@ -1,2673 +1,2685 @@ /*- * SPDX-License-Identifier: BSD-2-Clause * * 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. */ #include /* * IEEE 802.11 generic handler */ #include "opt_wlan.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef IEEE80211_SUPPORT_SUPERG #include #endif #include #include #include const char *ieee80211_phymode_name[IEEE80211_MODE_MAX] = { [IEEE80211_MODE_AUTO] = "auto", [IEEE80211_MODE_11A] = "11a", [IEEE80211_MODE_11B] = "11b", [IEEE80211_MODE_11G] = "11g", [IEEE80211_MODE_FH] = "FH", [IEEE80211_MODE_TURBO_A] = "turboA", [IEEE80211_MODE_TURBO_G] = "turboG", [IEEE80211_MODE_STURBO_A] = "sturboA", [IEEE80211_MODE_HALF] = "half", [IEEE80211_MODE_QUARTER] = "quarter", [IEEE80211_MODE_11NA] = "11na", [IEEE80211_MODE_11NG] = "11ng", [IEEE80211_MODE_VHT_2GHZ] = "11acg", [IEEE80211_MODE_VHT_5GHZ] = "11ac", }; /* map ieee80211_opmode to the corresponding capability bit */ const int ieee80211_opcap[IEEE80211_OPMODE_MAX] = { [IEEE80211_M_IBSS] = IEEE80211_C_IBSS, [IEEE80211_M_WDS] = IEEE80211_C_WDS, [IEEE80211_M_STA] = IEEE80211_C_STA, [IEEE80211_M_AHDEMO] = IEEE80211_C_AHDEMO, [IEEE80211_M_HOSTAP] = IEEE80211_C_HOSTAP, [IEEE80211_M_MONITOR] = IEEE80211_C_MONITOR, #ifdef IEEE80211_SUPPORT_MESH [IEEE80211_M_MBSS] = IEEE80211_C_MBSS, #endif }; const uint8_t ieee80211broadcastaddr[IEEE80211_ADDR_LEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; static void ieee80211_syncflag_locked(struct ieee80211com *ic, int flag); static void ieee80211_syncflag_ht_locked(struct ieee80211com *ic, int flag); static void ieee80211_syncflag_ext_locked(struct ieee80211com *ic, int flag); static void ieee80211_syncflag_vht_locked(struct ieee80211com *ic, int flag); static int ieee80211_media_setup(struct ieee80211com *ic, struct ifmedia *media, int caps, int addsta, ifm_change_cb_t media_change, ifm_stat_cb_t media_stat); static int media_status(enum ieee80211_opmode, const struct ieee80211_channel *); static uint64_t ieee80211_get_counter(struct ifnet *, ift_counter); MALLOC_DEFINE(M_80211_VAP, "80211vap", "802.11 vap state"); /* * Default supported rates for 802.11 operation (in IEEE .5Mb units). */ #define B(r) ((r) | IEEE80211_RATE_BASIC) static const struct ieee80211_rateset ieee80211_rateset_11a = { 8, { B(12), 18, B(24), 36, B(48), 72, 96, 108 } }; static const struct ieee80211_rateset ieee80211_rateset_half = { 8, { B(6), 9, B(12), 18, B(24), 36, 48, 54 } }; static const struct ieee80211_rateset ieee80211_rateset_quarter = { 8, { B(3), 4, B(6), 9, B(12), 18, 24, 27 } }; static const struct ieee80211_rateset ieee80211_rateset_11b = { 4, { B(2), B(4), B(11), B(22) } }; /* NB: OFDM rates are handled specially based on mode */ static const struct ieee80211_rateset ieee80211_rateset_11g = { 12, { B(2), B(4), B(11), B(22), 12, 18, 24, 36, 48, 72, 96, 108 } }; #undef B static int set_vht_extchan(struct ieee80211_channel *c); /* * Fill in 802.11 available channel set, mark * all available channels as active, and pick * a default channel if not already specified. */ void ieee80211_chan_init(struct ieee80211com *ic) { #define DEFAULTRATES(m, def) do { \ if (ic->ic_sup_rates[m].rs_nrates == 0) \ ic->ic_sup_rates[m] = def; \ } while (0) struct ieee80211_channel *c; int i; KASSERT(0 < ic->ic_nchans && ic->ic_nchans <= IEEE80211_CHAN_MAX, ("invalid number of channels specified: %u", ic->ic_nchans)); memset(ic->ic_chan_avail, 0, sizeof(ic->ic_chan_avail)); memset(ic->ic_modecaps, 0, sizeof(ic->ic_modecaps)); setbit(ic->ic_modecaps, IEEE80211_MODE_AUTO); for (i = 0; i < ic->ic_nchans; i++) { c = &ic->ic_channels[i]; KASSERT(c->ic_flags != 0, ("channel with no flags")); /* * Help drivers that work only with frequencies by filling * in IEEE channel #'s if not already calculated. Note this * mimics similar work done in ieee80211_setregdomain when * changing regulatory state. */ if (c->ic_ieee == 0) c->ic_ieee = ieee80211_mhz2ieee(c->ic_freq,c->ic_flags); /* * Setup the HT40/VHT40 upper/lower bits. * The VHT80/... math is done elsewhere. */ if (IEEE80211_IS_CHAN_HT40(c) && c->ic_extieee == 0) c->ic_extieee = ieee80211_mhz2ieee(c->ic_freq + (IEEE80211_IS_CHAN_HT40U(c) ? 20 : -20), c->ic_flags); /* Update VHT math */ /* * XXX VHT again, note that this assumes VHT80/... channels * are legit already. */ set_vht_extchan(c); /* default max tx power to max regulatory */ if (c->ic_maxpower == 0) c->ic_maxpower = 2*c->ic_maxregpower; setbit(ic->ic_chan_avail, c->ic_ieee); /* * Identify mode capabilities. */ if (IEEE80211_IS_CHAN_A(c)) setbit(ic->ic_modecaps, IEEE80211_MODE_11A); if (IEEE80211_IS_CHAN_B(c)) setbit(ic->ic_modecaps, IEEE80211_MODE_11B); if (IEEE80211_IS_CHAN_ANYG(c)) setbit(ic->ic_modecaps, IEEE80211_MODE_11G); if (IEEE80211_IS_CHAN_FHSS(c)) setbit(ic->ic_modecaps, IEEE80211_MODE_FH); if (IEEE80211_IS_CHAN_108A(c)) setbit(ic->ic_modecaps, IEEE80211_MODE_TURBO_A); if (IEEE80211_IS_CHAN_108G(c)) setbit(ic->ic_modecaps, IEEE80211_MODE_TURBO_G); if (IEEE80211_IS_CHAN_ST(c)) setbit(ic->ic_modecaps, IEEE80211_MODE_STURBO_A); if (IEEE80211_IS_CHAN_HALF(c)) setbit(ic->ic_modecaps, IEEE80211_MODE_HALF); if (IEEE80211_IS_CHAN_QUARTER(c)) setbit(ic->ic_modecaps, IEEE80211_MODE_QUARTER); if (IEEE80211_IS_CHAN_HTA(c)) setbit(ic->ic_modecaps, IEEE80211_MODE_11NA); if (IEEE80211_IS_CHAN_HTG(c)) setbit(ic->ic_modecaps, IEEE80211_MODE_11NG); if (IEEE80211_IS_CHAN_VHTA(c)) setbit(ic->ic_modecaps, IEEE80211_MODE_VHT_5GHZ); if (IEEE80211_IS_CHAN_VHTG(c)) setbit(ic->ic_modecaps, IEEE80211_MODE_VHT_2GHZ); } /* initialize candidate channels to all available */ memcpy(ic->ic_chan_active, ic->ic_chan_avail, sizeof(ic->ic_chan_avail)); /* sort channel table to allow lookup optimizations */ ieee80211_sort_channels(ic->ic_channels, ic->ic_nchans); /* invalidate any previous state */ ic->ic_bsschan = IEEE80211_CHAN_ANYC; ic->ic_prevchan = NULL; ic->ic_csa_newchan = NULL; /* arbitrarily pick the first channel */ ic->ic_curchan = &ic->ic_channels[0]; ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); /* fillin well-known rate sets if driver has not specified */ DEFAULTRATES(IEEE80211_MODE_11B, ieee80211_rateset_11b); DEFAULTRATES(IEEE80211_MODE_11G, ieee80211_rateset_11g); DEFAULTRATES(IEEE80211_MODE_11A, ieee80211_rateset_11a); DEFAULTRATES(IEEE80211_MODE_TURBO_A, ieee80211_rateset_11a); DEFAULTRATES(IEEE80211_MODE_TURBO_G, ieee80211_rateset_11g); DEFAULTRATES(IEEE80211_MODE_STURBO_A, ieee80211_rateset_11a); DEFAULTRATES(IEEE80211_MODE_HALF, ieee80211_rateset_half); DEFAULTRATES(IEEE80211_MODE_QUARTER, ieee80211_rateset_quarter); DEFAULTRATES(IEEE80211_MODE_11NA, ieee80211_rateset_11a); DEFAULTRATES(IEEE80211_MODE_11NG, ieee80211_rateset_11g); DEFAULTRATES(IEEE80211_MODE_VHT_2GHZ, ieee80211_rateset_11g); DEFAULTRATES(IEEE80211_MODE_VHT_5GHZ, ieee80211_rateset_11a); /* * Setup required information to fill the mcsset field, if driver did * not. Assume a 2T2R setup for historic reasons. */ if (ic->ic_rxstream == 0) ic->ic_rxstream = 2; if (ic->ic_txstream == 0) ic->ic_txstream = 2; ieee80211_init_suphtrates(ic); /* * Set auto mode to reset active channel state and any desired channel. */ (void) ieee80211_setmode(ic, IEEE80211_MODE_AUTO); #undef DEFAULTRATES } static void null_update_mcast(struct ieee80211com *ic) { ic_printf(ic, "need multicast update callback\n"); } static void null_update_promisc(struct ieee80211com *ic) { ic_printf(ic, "need promiscuous mode update callback\n"); } static void null_update_chw(struct ieee80211com *ic) { ic_printf(ic, "%s: need callback\n", __func__); } int ic_printf(struct ieee80211com *ic, const char * fmt, ...) { va_list ap; int retval; retval = printf("%s: ", ic->ic_name); va_start(ap, fmt); retval += vprintf(fmt, ap); va_end(ap); return (retval); } static LIST_HEAD(, ieee80211com) ic_head = LIST_HEAD_INITIALIZER(ic_head); static struct mtx ic_list_mtx; MTX_SYSINIT(ic_list, &ic_list_mtx, "ieee80211com list", MTX_DEF); static int sysctl_ieee80211coms(SYSCTL_HANDLER_ARGS) { struct ieee80211com *ic; struct sbuf sb; char *sp; int error; error = sysctl_wire_old_buffer(req, 0); if (error) return (error); sbuf_new_for_sysctl(&sb, NULL, 8, req); sbuf_clear_flags(&sb, SBUF_INCLUDENUL); sp = ""; mtx_lock(&ic_list_mtx); LIST_FOREACH(ic, &ic_head, ic_next) { sbuf_printf(&sb, "%s%s", sp, ic->ic_name); sp = " "; } mtx_unlock(&ic_list_mtx); error = sbuf_finish(&sb); sbuf_delete(&sb); return (error); } SYSCTL_PROC(_net_wlan, OID_AUTO, devices, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, 0, sysctl_ieee80211coms, "A", "names of available 802.11 devices"); /* * Attach/setup the common net80211 state. Called by * the driver on attach to prior to creating any vap's. */ void ieee80211_ifattach(struct ieee80211com *ic) { IEEE80211_LOCK_INIT(ic, ic->ic_name); IEEE80211_TX_LOCK_INIT(ic, ic->ic_name); TAILQ_INIT(&ic->ic_vaps); /* Create a taskqueue for all state changes */ ic->ic_tq = taskqueue_create("ic_taskq", IEEE80211_M_WAITOK | IEEE80211_M_ZERO, taskqueue_thread_enqueue, &ic->ic_tq); taskqueue_start_threads(&ic->ic_tq, 1, PI_NET, "%s net80211 taskq", ic->ic_name); ic->ic_ierrors = counter_u64_alloc(IEEE80211_M_WAITOK); ic->ic_oerrors = counter_u64_alloc(IEEE80211_M_WAITOK); /* * Fill in 802.11 available channel set, mark all * available channels as active, and pick a default * channel if not already specified. */ ieee80211_chan_init(ic); ic->ic_update_mcast = null_update_mcast; ic->ic_update_promisc = null_update_promisc; ic->ic_update_chw = null_update_chw; ic->ic_hash_key = arc4random(); ic->ic_bintval = IEEE80211_BINTVAL_DEFAULT; ic->ic_lintval = ic->ic_bintval; ic->ic_txpowlimit = IEEE80211_TXPOWER_MAX; ieee80211_crypto_attach(ic); ieee80211_node_attach(ic); ieee80211_power_attach(ic); ieee80211_proto_attach(ic); #ifdef IEEE80211_SUPPORT_SUPERG ieee80211_superg_attach(ic); #endif ieee80211_ht_attach(ic); ieee80211_vht_attach(ic); ieee80211_scan_attach(ic); ieee80211_regdomain_attach(ic); ieee80211_dfs_attach(ic); ieee80211_sysctl_attach(ic); mtx_lock(&ic_list_mtx); LIST_INSERT_HEAD(&ic_head, ic, ic_next); mtx_unlock(&ic_list_mtx); } /* * Detach net80211 state on device detach. Tear down * all vap's and reclaim all common state prior to the * device state going away. Note we may call back into * driver; it must be prepared for this. */ void ieee80211_ifdetach(struct ieee80211com *ic) { struct ieee80211vap *vap; /* * We use this as an indicator that ifattach never had a chance to be * called, e.g. early driver attach failed and ifdetach was called * during subsequent detach. Never fear, for we have nothing to do * here. */ if (ic->ic_tq == NULL) return; mtx_lock(&ic_list_mtx); LIST_REMOVE(ic, ic_next); mtx_unlock(&ic_list_mtx); taskqueue_drain(taskqueue_thread, &ic->ic_restart_task); /* * The VAP is responsible for setting and clearing * the VIMAGE context. */ while ((vap = TAILQ_FIRST(&ic->ic_vaps)) != NULL) { ieee80211_com_vdetach(vap); ieee80211_vap_destroy(vap); } ieee80211_waitfor_parent(ic); ieee80211_sysctl_detach(ic); ieee80211_dfs_detach(ic); ieee80211_regdomain_detach(ic); ieee80211_scan_detach(ic); #ifdef IEEE80211_SUPPORT_SUPERG ieee80211_superg_detach(ic); #endif ieee80211_vht_detach(ic); ieee80211_ht_detach(ic); /* NB: must be called before ieee80211_node_detach */ ieee80211_proto_detach(ic); ieee80211_crypto_detach(ic); ieee80211_power_detach(ic); ieee80211_node_detach(ic); counter_u64_free(ic->ic_ierrors); counter_u64_free(ic->ic_oerrors); taskqueue_free(ic->ic_tq); IEEE80211_TX_LOCK_DESTROY(ic); IEEE80211_LOCK_DESTROY(ic); } /* * Called by drivers during attach to set the supported * cipher set for software encryption. */ void ieee80211_set_software_ciphers(struct ieee80211com *ic, uint32_t cipher_suite) { ieee80211_crypto_set_supported_software_ciphers(ic, cipher_suite); } /* * Called by drivers during attach to set the supported * cipher set for hardware encryption. */ void ieee80211_set_hardware_ciphers(struct ieee80211com *ic, uint32_t cipher_suite) { ieee80211_crypto_set_supported_hardware_ciphers(ic, cipher_suite); } +/* + * Called by drivers during attach to set the supported + * key management suites by the driver/hardware. + */ +void +ieee80211_set_driver_keymgmt_suites(struct ieee80211com *ic, + uint32_t keymgmt_set) +{ + ieee80211_crypto_set_supported_driver_keymgmt(ic, + keymgmt_set); +} + struct ieee80211com * ieee80211_find_com(const char *name) { struct ieee80211com *ic; mtx_lock(&ic_list_mtx); LIST_FOREACH(ic, &ic_head, ic_next) if (strcmp(ic->ic_name, name) == 0) break; mtx_unlock(&ic_list_mtx); return (ic); } void ieee80211_iterate_coms(ieee80211_com_iter_func *f, void *arg) { struct ieee80211com *ic; mtx_lock(&ic_list_mtx); LIST_FOREACH(ic, &ic_head, ic_next) (*f)(arg, ic); mtx_unlock(&ic_list_mtx); } /* * Default reset method for use with the ioctl support. This * method is invoked after any state change in the 802.11 * layer that should be propagated to the hardware but not * require re-initialization of the 802.11 state machine (e.g * rescanning for an ap). We always return ENETRESET which * should cause the driver to re-initialize the device. Drivers * can override this method to implement more optimized support. */ static int default_reset(struct ieee80211vap *vap, u_long cmd) { return ENETRESET; } /* * Default for updating the VAP default TX key index. * * Drivers that support TX offload as well as hardware encryption offload * may need to be informed of key index changes separate from the key * update. */ static void default_update_deftxkey(struct ieee80211vap *vap, ieee80211_keyix kid) { /* XXX assert validity */ /* XXX assert we're in a key update block */ vap->iv_def_txkey = kid; } /* * Add underlying device errors to vap errors. */ static uint64_t ieee80211_get_counter(struct ifnet *ifp, ift_counter cnt) { struct ieee80211vap *vap = ifp->if_softc; struct ieee80211com *ic = vap->iv_ic; uint64_t rv; rv = if_get_counter_default(ifp, cnt); switch (cnt) { case IFCOUNTER_OERRORS: rv += counter_u64_fetch(ic->ic_oerrors); break; case IFCOUNTER_IERRORS: rv += counter_u64_fetch(ic->ic_ierrors); break; default: break; } return (rv); } /* * Prepare a vap for use. Drivers use this call to * setup net80211 state in new vap's prior attaching * them with ieee80211_vap_attach (below). */ int ieee80211_vap_setup(struct ieee80211com *ic, struct ieee80211vap *vap, const char name[IFNAMSIZ], int unit, enum ieee80211_opmode opmode, int flags, const uint8_t bssid[IEEE80211_ADDR_LEN]) { struct ifnet *ifp; ifp = if_alloc(IFT_ETHER); if (ifp == NULL) { ic_printf(ic, "%s: unable to allocate ifnet\n", __func__); return ENOMEM; } if_initname(ifp, name, unit); ifp->if_softc = vap; /* back pointer */ ifp->if_flags = IFF_SIMPLEX | IFF_BROADCAST | IFF_MULTICAST; ifp->if_transmit = ieee80211_vap_transmit; ifp->if_qflush = ieee80211_vap_qflush; ifp->if_ioctl = ieee80211_ioctl; ifp->if_init = ieee80211_init; ifp->if_get_counter = ieee80211_get_counter; vap->iv_ifp = ifp; vap->iv_ic = ic; vap->iv_flags = ic->ic_flags; /* propagate common flags */ vap->iv_flags_ext = ic->ic_flags_ext; vap->iv_flags_ven = ic->ic_flags_ven; vap->iv_caps = ic->ic_caps &~ IEEE80211_C_OPMODE; /* 11n capabilities - XXX methodize */ vap->iv_htcaps = ic->ic_htcaps; vap->iv_htextcaps = ic->ic_htextcaps; /* 11ac capabilities - XXX methodize */ vap->iv_vht_cap.vht_cap_info = ic->ic_vht_cap.vht_cap_info; vap->iv_vhtextcaps = ic->ic_vhtextcaps; vap->iv_opmode = opmode; vap->iv_caps |= ieee80211_opcap[opmode]; IEEE80211_ADDR_COPY(vap->iv_myaddr, ic->ic_macaddr); switch (opmode) { case IEEE80211_M_WDS: /* * WDS links must specify the bssid of the far end. * For legacy operation this is a static relationship. * For non-legacy operation the station must associate * and be authorized to pass traffic. Plumbing the * vap to the proper node happens when the vap * transitions to RUN state. */ IEEE80211_ADDR_COPY(vap->iv_des_bssid, bssid); vap->iv_flags |= IEEE80211_F_DESBSSID; if (flags & IEEE80211_CLONE_WDSLEGACY) vap->iv_flags_ext |= IEEE80211_FEXT_WDSLEGACY; break; #ifdef IEEE80211_SUPPORT_TDMA case IEEE80211_M_AHDEMO: if (flags & IEEE80211_CLONE_TDMA) { /* NB: checked before clone operation allowed */ KASSERT(ic->ic_caps & IEEE80211_C_TDMA, ("not TDMA capable, ic_caps 0x%x", ic->ic_caps)); /* * Propagate TDMA capability to mark vap; this * cannot be removed and is used to distinguish * regular ahdemo operation from ahdemo+tdma. */ vap->iv_caps |= IEEE80211_C_TDMA; } break; #endif default: break; } /* auto-enable s/w beacon miss support */ if (flags & IEEE80211_CLONE_NOBEACONS) vap->iv_flags_ext |= IEEE80211_FEXT_SWBMISS; /* auto-generated or user supplied MAC address */ if (flags & (IEEE80211_CLONE_BSSID|IEEE80211_CLONE_MACADDR)) vap->iv_flags_ext |= IEEE80211_FEXT_UNIQMAC; /* * Enable various functionality by default if we're * capable; the driver can override us if it knows better. */ if (vap->iv_caps & IEEE80211_C_WME) vap->iv_flags |= IEEE80211_F_WME; if (vap->iv_caps & IEEE80211_C_BURST) vap->iv_flags |= IEEE80211_F_BURST; /* NB: bg scanning only makes sense for station mode right now */ if (vap->iv_opmode == IEEE80211_M_STA && (vap->iv_caps & IEEE80211_C_BGSCAN)) vap->iv_flags |= IEEE80211_F_BGSCAN; vap->iv_flags |= IEEE80211_F_DOTH; /* XXX no cap, just ena */ /* NB: DFS support only makes sense for ap mode right now */ if (vap->iv_opmode == IEEE80211_M_HOSTAP && (vap->iv_caps & IEEE80211_C_DFS)) vap->iv_flags_ext |= IEEE80211_FEXT_DFS; /* NB: only flip on U-APSD for hostap/sta for now */ if ((vap->iv_opmode == IEEE80211_M_STA) || (vap->iv_opmode == IEEE80211_M_HOSTAP)) { if (vap->iv_caps & IEEE80211_C_UAPSD) vap->iv_flags_ext |= IEEE80211_FEXT_UAPSD; } vap->iv_des_chan = IEEE80211_CHAN_ANYC; /* any channel is ok */ vap->iv_bmissthreshold = IEEE80211_HWBMISS_DEFAULT; vap->iv_dtim_period = IEEE80211_DTIM_DEFAULT; /* * Install a default reset method for the ioctl support; * the driver can override this. */ vap->iv_reset = default_reset; /* * Install a default crypto key update method, the driver * can override this. */ vap->iv_update_deftxkey = default_update_deftxkey; ieee80211_sysctl_vattach(vap); ieee80211_crypto_vattach(vap); ieee80211_node_vattach(vap); ieee80211_power_vattach(vap); ieee80211_proto_vattach(vap); #ifdef IEEE80211_SUPPORT_SUPERG ieee80211_superg_vattach(vap); #endif ieee80211_ht_vattach(vap); ieee80211_vht_vattach(vap); ieee80211_scan_vattach(vap); ieee80211_regdomain_vattach(vap); ieee80211_radiotap_vattach(vap); ieee80211_vap_reset_erp(vap); ieee80211_ratectl_set(vap, IEEE80211_RATECTL_NONE); return 0; } /* * Activate a vap. State should have been prepared with a * call to ieee80211_vap_setup and by the driver. On return * from this call the vap is ready for use. */ int ieee80211_vap_attach(struct ieee80211vap *vap, ifm_change_cb_t media_change, ifm_stat_cb_t media_stat, const uint8_t macaddr[IEEE80211_ADDR_LEN]) { struct ifnet *ifp = vap->iv_ifp; struct ieee80211com *ic = vap->iv_ic; struct ifmediareq imr; int maxrate; IEEE80211_DPRINTF(vap, IEEE80211_MSG_STATE, "%s: %s parent %s flags 0x%x flags_ext 0x%x\n", __func__, ieee80211_opmode_name[vap->iv_opmode], ic->ic_name, vap->iv_flags, vap->iv_flags_ext); /* * Do late attach work that cannot happen until after * the driver has had a chance to override defaults. */ ieee80211_node_latevattach(vap); ieee80211_power_latevattach(vap); maxrate = ieee80211_media_setup(ic, &vap->iv_media, vap->iv_caps, vap->iv_opmode == IEEE80211_M_STA, media_change, media_stat); ieee80211_media_status(ifp, &imr); /* NB: strip explicit mode; we're actually in autoselect */ ifmedia_set(&vap->iv_media, imr.ifm_active &~ (IFM_MMASK | IFM_IEEE80211_TURBO)); if (maxrate) ifp->if_baudrate = IF_Mbps(maxrate); ether_ifattach(ifp, macaddr); IEEE80211_ADDR_COPY(vap->iv_myaddr, IF_LLADDR(ifp)); /* hook output method setup by ether_ifattach */ vap->iv_output = ifp->if_output; ifp->if_output = ieee80211_output; /* NB: if_mtu set by ether_ifattach to ETHERMTU */ IEEE80211_LOCK(ic); TAILQ_INSERT_TAIL(&ic->ic_vaps, vap, iv_next); ieee80211_syncflag_locked(ic, IEEE80211_F_WME); #ifdef IEEE80211_SUPPORT_SUPERG ieee80211_syncflag_locked(ic, IEEE80211_F_TURBOP); #endif ieee80211_syncflag_locked(ic, IEEE80211_F_PCF); ieee80211_syncflag_locked(ic, IEEE80211_F_BURST); ieee80211_syncflag_ht_locked(ic, IEEE80211_FHT_HT); ieee80211_syncflag_ht_locked(ic, IEEE80211_FHT_USEHT40); ieee80211_syncflag_vht_locked(ic, IEEE80211_FVHT_VHT); ieee80211_syncflag_vht_locked(ic, IEEE80211_FVHT_USEVHT40); ieee80211_syncflag_vht_locked(ic, IEEE80211_FVHT_USEVHT80); ieee80211_syncflag_vht_locked(ic, IEEE80211_FVHT_USEVHT160); ieee80211_syncflag_vht_locked(ic, IEEE80211_FVHT_USEVHT80P80); IEEE80211_UNLOCK(ic); return 1; } /* * Tear down vap state and reclaim the ifnet. * The driver is assumed to have prepared for * this; e.g. by turning off interrupts for the * underlying device. */ void ieee80211_vap_detach(struct ieee80211vap *vap) { struct ieee80211com *ic = vap->iv_ic; struct ifnet *ifp = vap->iv_ifp; int i; CURVNET_SET(ifp->if_vnet); IEEE80211_DPRINTF(vap, IEEE80211_MSG_STATE, "%s: %s parent %s\n", __func__, ieee80211_opmode_name[vap->iv_opmode], ic->ic_name); /* NB: bpfdetach is called by ether_ifdetach and claims all taps */ ether_ifdetach(ifp); ieee80211_stop(vap); /* * Flush any deferred vap tasks. */ for (i = 0; i < NET80211_IV_NSTATE_NUM; i++) ieee80211_draintask(ic, &vap->iv_nstate_task[i]); ieee80211_draintask(ic, &vap->iv_swbmiss_task); ieee80211_draintask(ic, &vap->iv_wme_task); ieee80211_draintask(ic, &ic->ic_parent_task); /* XXX band-aid until ifnet handles this for us */ taskqueue_drain(taskqueue_swi, &ifp->if_linktask); IEEE80211_LOCK(ic); KASSERT(vap->iv_state == IEEE80211_S_INIT , ("vap still running")); TAILQ_REMOVE(&ic->ic_vaps, vap, iv_next); ieee80211_syncflag_locked(ic, IEEE80211_F_WME); #ifdef IEEE80211_SUPPORT_SUPERG ieee80211_syncflag_locked(ic, IEEE80211_F_TURBOP); #endif ieee80211_syncflag_locked(ic, IEEE80211_F_PCF); ieee80211_syncflag_locked(ic, IEEE80211_F_BURST); ieee80211_syncflag_ht_locked(ic, IEEE80211_FHT_HT); ieee80211_syncflag_ht_locked(ic, IEEE80211_FHT_USEHT40); ieee80211_syncflag_vht_locked(ic, IEEE80211_FVHT_VHT); ieee80211_syncflag_vht_locked(ic, IEEE80211_FVHT_USEVHT40); ieee80211_syncflag_vht_locked(ic, IEEE80211_FVHT_USEVHT80); ieee80211_syncflag_vht_locked(ic, IEEE80211_FVHT_USEVHT160); ieee80211_syncflag_vht_locked(ic, IEEE80211_FVHT_USEVHT80P80); /* NB: this handles the bpfdetach done below */ ieee80211_syncflag_ext_locked(ic, IEEE80211_FEXT_BPF); if (vap->iv_ifflags & IFF_PROMISC) ieee80211_promisc(vap, false); if (vap->iv_ifflags & IFF_ALLMULTI) ieee80211_allmulti(vap, false); IEEE80211_UNLOCK(ic); ifmedia_removeall(&vap->iv_media); ieee80211_radiotap_vdetach(vap); ieee80211_regdomain_vdetach(vap); ieee80211_scan_vdetach(vap); #ifdef IEEE80211_SUPPORT_SUPERG ieee80211_superg_vdetach(vap); #endif ieee80211_vht_vdetach(vap); ieee80211_ht_vdetach(vap); /* NB: must be before ieee80211_node_vdetach */ ieee80211_proto_vdetach(vap); ieee80211_crypto_vdetach(vap); ieee80211_power_vdetach(vap); ieee80211_node_vdetach(vap); ieee80211_sysctl_vdetach(vap); if_free(ifp); CURVNET_RESTORE(); } /* * Count number of vaps in promisc, and issue promisc on * parent respectively. */ void ieee80211_promisc(struct ieee80211vap *vap, bool on) { struct ieee80211com *ic = vap->iv_ic; IEEE80211_LOCK_ASSERT(ic); if (on) { if (++ic->ic_promisc == 1) ieee80211_runtask(ic, &ic->ic_promisc_task); } else { KASSERT(ic->ic_promisc > 0, ("%s: ic %p not promisc", __func__, ic)); if (--ic->ic_promisc == 0) ieee80211_runtask(ic, &ic->ic_promisc_task); } } /* * Count number of vaps in allmulti, and issue allmulti on * parent respectively. */ void ieee80211_allmulti(struct ieee80211vap *vap, bool on) { struct ieee80211com *ic = vap->iv_ic; IEEE80211_LOCK_ASSERT(ic); if (on) { if (++ic->ic_allmulti == 1) ieee80211_runtask(ic, &ic->ic_mcast_task); } else { KASSERT(ic->ic_allmulti > 0, ("%s: ic %p not allmulti", __func__, ic)); if (--ic->ic_allmulti == 0) ieee80211_runtask(ic, &ic->ic_mcast_task); } } /* * Synchronize flag bit state in the com structure * according to the state of all vap's. This is used, * for example, to handle state changes via ioctls. */ static void ieee80211_syncflag_locked(struct ieee80211com *ic, int flag) { struct ieee80211vap *vap; int bit; IEEE80211_LOCK_ASSERT(ic); bit = 0; TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) if (vap->iv_flags & flag) { bit = 1; break; } if (bit) ic->ic_flags |= flag; else ic->ic_flags &= ~flag; } void ieee80211_syncflag(struct ieee80211vap *vap, int flag) { struct ieee80211com *ic = vap->iv_ic; IEEE80211_LOCK(ic); if (flag < 0) { flag = -flag; vap->iv_flags &= ~flag; } else vap->iv_flags |= flag; ieee80211_syncflag_locked(ic, flag); IEEE80211_UNLOCK(ic); } /* * Synchronize flags_ht bit state in the com structure * according to the state of all vap's. This is used, * for example, to handle state changes via ioctls. */ static void ieee80211_syncflag_ht_locked(struct ieee80211com *ic, int flag) { struct ieee80211vap *vap; int bit; IEEE80211_LOCK_ASSERT(ic); bit = 0; TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) if (vap->iv_flags_ht & flag) { bit = 1; break; } if (bit) ic->ic_flags_ht |= flag; else ic->ic_flags_ht &= ~flag; } void ieee80211_syncflag_ht(struct ieee80211vap *vap, int flag) { struct ieee80211com *ic = vap->iv_ic; IEEE80211_LOCK(ic); if (flag < 0) { flag = -flag; vap->iv_flags_ht &= ~flag; } else vap->iv_flags_ht |= flag; ieee80211_syncflag_ht_locked(ic, flag); IEEE80211_UNLOCK(ic); } /* * Synchronize flags_vht bit state in the com structure * according to the state of all vap's. This is used, * for example, to handle state changes via ioctls. */ static void ieee80211_syncflag_vht_locked(struct ieee80211com *ic, int flag) { struct ieee80211vap *vap; int bit; IEEE80211_LOCK_ASSERT(ic); bit = 0; TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) if (vap->iv_vht_flags & flag) { bit = 1; break; } if (bit) ic->ic_vht_flags |= flag; else ic->ic_vht_flags &= ~flag; } void ieee80211_syncflag_vht(struct ieee80211vap *vap, int flag) { struct ieee80211com *ic = vap->iv_ic; IEEE80211_LOCK(ic); if (flag < 0) { flag = -flag; vap->iv_vht_flags &= ~flag; } else vap->iv_vht_flags |= flag; ieee80211_syncflag_vht_locked(ic, flag); IEEE80211_UNLOCK(ic); } /* * Synchronize flags_ext bit state in the com structure * according to the state of all vap's. This is used, * for example, to handle state changes via ioctls. */ static void ieee80211_syncflag_ext_locked(struct ieee80211com *ic, int flag) { struct ieee80211vap *vap; int bit; IEEE80211_LOCK_ASSERT(ic); bit = 0; TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) if (vap->iv_flags_ext & flag) { bit = 1; break; } if (bit) ic->ic_flags_ext |= flag; else ic->ic_flags_ext &= ~flag; } void ieee80211_syncflag_ext(struct ieee80211vap *vap, int flag) { struct ieee80211com *ic = vap->iv_ic; IEEE80211_LOCK(ic); if (flag < 0) { flag = -flag; vap->iv_flags_ext &= ~flag; } else vap->iv_flags_ext |= flag; ieee80211_syncflag_ext_locked(ic, flag); IEEE80211_UNLOCK(ic); } static __inline int mapgsm(u_int freq, u_int flags) { freq *= 10; if (flags & IEEE80211_CHAN_QUARTER) freq += 5; else if (flags & IEEE80211_CHAN_HALF) freq += 10; else freq += 20; /* NB: there is no 907/20 wide but leave room */ return (freq - 906*10) / 5; } static __inline int mappsb(u_int freq, u_int flags) { return 37 + ((freq * 10) + ((freq % 5) == 2 ? 5 : 0) - 49400) / 5; } /* * Convert MHz frequency to IEEE channel number. */ int ieee80211_mhz2ieee(u_int freq, u_int flags) { #define IS_FREQ_IN_PSB(_freq) ((_freq) > 4940 && (_freq) < 4990) if (flags & IEEE80211_CHAN_GSM) return mapgsm(freq, flags); if (flags & IEEE80211_CHAN_2GHZ) { /* 2GHz band */ if (freq == 2484) return 14; if (freq < 2484) return ((int) freq - 2407) / 5; else return 15 + ((freq - 2512) / 20); } else if (flags & IEEE80211_CHAN_5GHZ) { /* 5Ghz band */ if (freq <= 5000) { /* XXX check regdomain? */ if (IS_FREQ_IN_PSB(freq)) return mappsb(freq, flags); return (freq - 4000) / 5; } else return (freq - 5000) / 5; } else { /* either, guess */ if (freq == 2484) return 14; if (freq < 2484) { if (907 <= freq && freq <= 922) return mapgsm(freq, flags); return ((int) freq - 2407) / 5; } if (freq < 5000) { if (IS_FREQ_IN_PSB(freq)) return mappsb(freq, flags); else if (freq > 4900) return (freq - 4000) / 5; else return 15 + ((freq - 2512) / 20); } return (freq - 5000) / 5; } #undef IS_FREQ_IN_PSB } /* * Convert channel to IEEE channel number. */ int ieee80211_chan2ieee(struct ieee80211com *ic, const struct ieee80211_channel *c) { if (c == NULL) { ic_printf(ic, "invalid channel (NULL)\n"); return 0; /* XXX */ } return (c == IEEE80211_CHAN_ANYC ? IEEE80211_CHAN_ANY : c->ic_ieee); } /* * Convert IEEE channel number to MHz frequency. */ u_int ieee80211_ieee2mhz(u_int chan, u_int flags) { if (flags & IEEE80211_CHAN_GSM) return 907 + 5 * (chan / 10); if (flags & IEEE80211_CHAN_2GHZ) { /* 2GHz band */ if (chan == 14) return 2484; if (chan < 14) return 2407 + chan*5; else return 2512 + ((chan-15)*20); } else if (flags & IEEE80211_CHAN_5GHZ) {/* 5Ghz band */ if (flags & (IEEE80211_CHAN_HALF|IEEE80211_CHAN_QUARTER)) { chan -= 37; return 4940 + chan*5 + (chan % 5 ? 2 : 0); } return 5000 + (chan*5); } else { /* either, guess */ /* XXX can't distinguish PSB+GSM channels */ if (chan == 14) return 2484; if (chan < 14) /* 0-13 */ return 2407 + chan*5; if (chan < 27) /* 15-26 */ return 2512 + ((chan-15)*20); return 5000 + (chan*5); } } static __inline void set_extchan(struct ieee80211_channel *c) { /* * IEEE Std 802.11-2012, page 1738, subclause 20.3.15.4: * "the secondary channel number shall be 'N + [1,-1] * 4' */ if (c->ic_flags & IEEE80211_CHAN_HT40U) c->ic_extieee = c->ic_ieee + 4; else if (c->ic_flags & IEEE80211_CHAN_HT40D) c->ic_extieee = c->ic_ieee - 4; else c->ic_extieee = 0; } /* * Populate the freq1/freq2 fields as appropriate for VHT channels. * * This for now uses a hard-coded list of 80MHz wide channels. * * For HT20/HT40, freq1 just is the centre frequency of the 40MHz * wide channel we've already decided upon. * * For VHT80 and VHT160, there are only a small number of fixed * 80/160MHz wide channels, so we just use those. * * This is all likely very very wrong - both the regulatory code * and this code needs to ensure that all four channels are * available and valid before the VHT80 (and eight for VHT160) channel * is created. */ struct vht_chan_range { uint16_t freq_start; uint16_t freq_end; }; struct vht_chan_range vht80_chan_ranges[] = { { 5170, 5250 }, { 5250, 5330 }, { 5490, 5570 }, { 5570, 5650 }, { 5650, 5730 }, { 5735, 5815 }, { 0, 0 } }; struct vht_chan_range vht160_chan_ranges[] = { { 5170, 5330 }, { 5490, 5650 }, { 0, 0 } }; static int set_vht_extchan(struct ieee80211_channel *c) { int i; if (! IEEE80211_IS_CHAN_VHT(c)) return (0); if (IEEE80211_IS_CHAN_VHT80P80(c)) { printf("%s: TODO VHT80+80 channel (ieee=%d, flags=0x%08x)\n", __func__, c->ic_ieee, c->ic_flags); } if (IEEE80211_IS_CHAN_VHT160(c)) { for (i = 0; vht160_chan_ranges[i].freq_start != 0; i++) { if (c->ic_freq >= vht160_chan_ranges[i].freq_start && c->ic_freq < vht160_chan_ranges[i].freq_end) { int midpoint; midpoint = vht160_chan_ranges[i].freq_start + 80; c->ic_vht_ch_freq1 = ieee80211_mhz2ieee(midpoint, c->ic_flags); c->ic_vht_ch_freq2 = 0; #if 0 printf("%s: %d, freq=%d, midpoint=%d, freq1=%d, freq2=%d\n", __func__, c->ic_ieee, c->ic_freq, midpoint, c->ic_vht_ch_freq1, c->ic_vht_ch_freq2); #endif return (1); } } return (0); } if (IEEE80211_IS_CHAN_VHT80(c)) { for (i = 0; vht80_chan_ranges[i].freq_start != 0; i++) { if (c->ic_freq >= vht80_chan_ranges[i].freq_start && c->ic_freq < vht80_chan_ranges[i].freq_end) { int midpoint; midpoint = vht80_chan_ranges[i].freq_start + 40; c->ic_vht_ch_freq1 = ieee80211_mhz2ieee(midpoint, c->ic_flags); c->ic_vht_ch_freq2 = 0; #if 0 printf("%s: %d, freq=%d, midpoint=%d, freq1=%d, freq2=%d\n", __func__, c->ic_ieee, c->ic_freq, midpoint, c->ic_vht_ch_freq1, c->ic_vht_ch_freq2); #endif return (1); } } return (0); } if (IEEE80211_IS_CHAN_VHT40(c)) { if (IEEE80211_IS_CHAN_HT40U(c)) c->ic_vht_ch_freq1 = c->ic_ieee + 2; else if (IEEE80211_IS_CHAN_HT40D(c)) c->ic_vht_ch_freq1 = c->ic_ieee - 2; else return (0); return (1); } if (IEEE80211_IS_CHAN_VHT20(c)) { c->ic_vht_ch_freq1 = c->ic_ieee; return (1); } printf("%s: unknown VHT channel type (ieee=%d, flags=0x%08x)\n", __func__, c->ic_ieee, c->ic_flags); return (0); } /* * Return whether the current channel could possibly be a part of * a VHT80/VHT160 channel. * * This doesn't check that the whole range is in the allowed list * according to regulatory. */ static bool is_vht160_valid_freq(uint16_t freq) { int i; for (i = 0; vht160_chan_ranges[i].freq_start != 0; i++) { if (freq >= vht160_chan_ranges[i].freq_start && freq < vht160_chan_ranges[i].freq_end) return (true); } return (false); } static int is_vht80_valid_freq(uint16_t freq) { int i; for (i = 0; vht80_chan_ranges[i].freq_start != 0; i++) { if (freq >= vht80_chan_ranges[i].freq_start && freq < vht80_chan_ranges[i].freq_end) return (1); } return (0); } static int addchan(struct ieee80211_channel chans[], int maxchans, int *nchans, uint8_t ieee, uint16_t freq, int8_t maxregpower, uint32_t flags) { struct ieee80211_channel *c; if (*nchans >= maxchans) return (ENOBUFS); #if 0 printf("%s: %d of %d: ieee=%d, freq=%d, flags=0x%08x\n", __func__, *nchans, maxchans, ieee, freq, flags); #endif c = &chans[(*nchans)++]; c->ic_ieee = ieee; c->ic_freq = freq != 0 ? freq : ieee80211_ieee2mhz(ieee, flags); c->ic_maxregpower = maxregpower; c->ic_maxpower = 2 * maxregpower; c->ic_flags = flags; c->ic_vht_ch_freq1 = 0; c->ic_vht_ch_freq2 = 0; set_extchan(c); set_vht_extchan(c); return (0); } static int copychan_prev(struct ieee80211_channel chans[], int maxchans, int *nchans, uint32_t flags) { struct ieee80211_channel *c; KASSERT(*nchans > 0, ("channel list is empty\n")); if (*nchans >= maxchans) return (ENOBUFS); #if 0 printf("%s: %d of %d: flags=0x%08x\n", __func__, *nchans, maxchans, flags); #endif c = &chans[(*nchans)++]; c[0] = c[-1]; c->ic_flags = flags; c->ic_vht_ch_freq1 = 0; c->ic_vht_ch_freq2 = 0; set_extchan(c); set_vht_extchan(c); return (0); } /* * XXX VHT-2GHz */ static void getflags_2ghz(const uint8_t bands[], uint32_t flags[], int cbw_flags) { int nmodes; nmodes = 0; if (isset(bands, IEEE80211_MODE_11B)) flags[nmodes++] = IEEE80211_CHAN_B; if (isset(bands, IEEE80211_MODE_11G)) flags[nmodes++] = IEEE80211_CHAN_G; if (isset(bands, IEEE80211_MODE_11NG)) flags[nmodes++] = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20; if (cbw_flags & NET80211_CBW_FLAG_HT40) { flags[nmodes++] = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40U; flags[nmodes++] = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40D; } flags[nmodes] = 0; } static void getflags_5ghz(const uint8_t bands[], uint32_t flags[], int cbw_flags) { int nmodes; /* * The addchan_list() function seems to expect the flags array to * be in channel width order, so the VHT bits are interspersed * as appropriate to maintain said order. * * It also assumes HT40U is before HT40D. */ nmodes = 0; /* 20MHz */ if (isset(bands, IEEE80211_MODE_11A)) flags[nmodes++] = IEEE80211_CHAN_A; if (isset(bands, IEEE80211_MODE_11NA)) flags[nmodes++] = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20; if (isset(bands, IEEE80211_MODE_VHT_5GHZ)) { flags[nmodes++] = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20 | IEEE80211_CHAN_VHT20; } /* 40MHz */ if (cbw_flags & NET80211_CBW_FLAG_HT40) flags[nmodes++] = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40U; if ((cbw_flags & NET80211_CBW_FLAG_HT40) && isset(bands, IEEE80211_MODE_VHT_5GHZ)) flags[nmodes++] = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40U | IEEE80211_CHAN_VHT40U; if (cbw_flags & NET80211_CBW_FLAG_HT40) flags[nmodes++] = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40D; if ((cbw_flags & NET80211_CBW_FLAG_HT40) && isset(bands, IEEE80211_MODE_VHT_5GHZ)) flags[nmodes++] = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40D | IEEE80211_CHAN_VHT40D; /* 80MHz */ if ((cbw_flags & NET80211_CBW_FLAG_VHT80) && isset(bands, IEEE80211_MODE_VHT_5GHZ)) { flags[nmodes++] = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40U | IEEE80211_CHAN_VHT80; flags[nmodes++] = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40D | IEEE80211_CHAN_VHT80; } /* VHT160 */ if ((cbw_flags & NET80211_CBW_FLAG_VHT160) && isset(bands, IEEE80211_MODE_VHT_5GHZ)) { flags[nmodes++] = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40U | IEEE80211_CHAN_VHT160; flags[nmodes++] = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40D | IEEE80211_CHAN_VHT160; } /* VHT80+80 */ if ((cbw_flags & NET80211_CBW_FLAG_VHT80P80) && isset(bands, IEEE80211_MODE_VHT_5GHZ)) { flags[nmodes++] = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40U | IEEE80211_CHAN_VHT80P80; flags[nmodes++] = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40D | IEEE80211_CHAN_VHT80P80; } flags[nmodes] = 0; } static void getflags(const uint8_t bands[], uint32_t flags[], int cbw_flags) { flags[0] = 0; if (isset(bands, IEEE80211_MODE_11A) || isset(bands, IEEE80211_MODE_11NA) || isset(bands, IEEE80211_MODE_VHT_5GHZ)) { if (isset(bands, IEEE80211_MODE_11B) || isset(bands, IEEE80211_MODE_11G) || isset(bands, IEEE80211_MODE_11NG) || isset(bands, IEEE80211_MODE_VHT_2GHZ)) return; getflags_5ghz(bands, flags, cbw_flags); } else getflags_2ghz(bands, flags, cbw_flags); } /* * Add one 20 MHz channel into specified channel list. * You MUST NOT mix bands when calling this. It will not add 5ghz * channels if you have any B/G/N band bit set. * The _cbw() variant does also support HT40/VHT80/160/80+80. */ int ieee80211_add_channel_cbw(struct ieee80211_channel chans[], int maxchans, int *nchans, uint8_t ieee, uint16_t freq, int8_t maxregpower, uint32_t chan_flags, const uint8_t bands[], int cbw_flags) { uint32_t flags[IEEE80211_MODE_MAX]; int i, error; getflags(bands, flags, cbw_flags); KASSERT(flags[0] != 0, ("%s: no correct mode provided\n", __func__)); error = addchan(chans, maxchans, nchans, ieee, freq, maxregpower, flags[0] | chan_flags); for (i = 1; flags[i] != 0 && error == 0; i++) { error = copychan_prev(chans, maxchans, nchans, flags[i] | chan_flags); } return (error); } int ieee80211_add_channel(struct ieee80211_channel chans[], int maxchans, int *nchans, uint8_t ieee, uint16_t freq, int8_t maxregpower, uint32_t chan_flags, const uint8_t bands[]) { return (ieee80211_add_channel_cbw(chans, maxchans, nchans, ieee, freq, maxregpower, chan_flags, bands, 0)); } static struct ieee80211_channel * findchannel(struct ieee80211_channel chans[], int nchans, uint16_t freq, uint32_t flags) { struct ieee80211_channel *c; int i; flags &= IEEE80211_CHAN_ALLTURBO; /* brute force search */ for (i = 0; i < nchans; i++) { c = &chans[i]; if (c->ic_freq == freq && (c->ic_flags & IEEE80211_CHAN_ALLTURBO) == flags) return c; } return NULL; } /* * Add 40 MHz channel pair into specified channel list. */ /* XXX VHT */ int ieee80211_add_channel_ht40(struct ieee80211_channel chans[], int maxchans, int *nchans, uint8_t ieee, int8_t maxregpower, uint32_t flags) { struct ieee80211_channel *cent, *extc; uint16_t freq; int error; freq = ieee80211_ieee2mhz(ieee, flags); /* * Each entry defines an HT40 channel pair; find the * center channel, then the extension channel above. */ flags |= IEEE80211_CHAN_HT20; cent = findchannel(chans, *nchans, freq, flags); if (cent == NULL) return (EINVAL); extc = findchannel(chans, *nchans, freq + 20, flags); if (extc == NULL) return (ENOENT); flags &= ~IEEE80211_CHAN_HT; error = addchan(chans, maxchans, nchans, cent->ic_ieee, cent->ic_freq, maxregpower, flags | IEEE80211_CHAN_HT40U); if (error != 0) return (error); error = addchan(chans, maxchans, nchans, extc->ic_ieee, extc->ic_freq, maxregpower, flags | IEEE80211_CHAN_HT40D); return (error); } /* * Fetch the center frequency for the primary channel. */ uint32_t ieee80211_get_channel_center_freq(const struct ieee80211_channel *c) { return (c->ic_freq); } /* * Fetch the center frequency for the primary BAND channel. * * For 5, 10, 20MHz channels it'll be the normally configured channel * frequency. * * For 40MHz, 80MHz, 160MHz channels it will be the centre of the * wide channel, not the centre of the primary channel (that's ic_freq). * * For 80+80MHz channels this will be the centre of the primary * 80MHz channel; the secondary 80MHz channel will be center_freq2(). */ uint32_t ieee80211_get_channel_center_freq1(const struct ieee80211_channel *c) { /* * VHT - use the pre-calculated centre frequency * of the given channel. */ if (IEEE80211_IS_CHAN_VHT(c)) return (ieee80211_ieee2mhz(c->ic_vht_ch_freq1, c->ic_flags)); if (IEEE80211_IS_CHAN_HT40U(c)) { return (c->ic_freq + 10); } if (IEEE80211_IS_CHAN_HT40D(c)) { return (c->ic_freq - 10); } return (c->ic_freq); } /* * For now, no 80+80 support; it will likely always return 0. */ uint32_t ieee80211_get_channel_center_freq2(const struct ieee80211_channel *c) { if (IEEE80211_IS_CHAN_VHT(c) && (c->ic_vht_ch_freq2 != 0)) return (ieee80211_ieee2mhz(c->ic_vht_ch_freq2, c->ic_flags)); return (0); } /* * Adds channels into specified channel list (ieee[] array must be sorted). * Channels are already sorted. */ static int add_chanlist(struct ieee80211_channel chans[], int maxchans, int *nchans, const uint8_t ieee[], int nieee, uint32_t flags[]) { uint16_t freq; int i, j, error; int is_vht; for (i = 0; i < nieee; i++) { freq = ieee80211_ieee2mhz(ieee[i], flags[0]); for (j = 0; flags[j] != 0; j++) { /* * Notes: * + HT40 and VHT40 channels occur together, so * we need to be careful that we actually allow that. * + VHT80, VHT160 will coexist with HT40/VHT40, so * make sure it's not skipped because of the overlap * check used for (V)HT40. */ is_vht = !! (flags[j] & IEEE80211_CHAN_VHT); /* XXX TODO FIXME VHT80P80. */ /* Test for VHT160 analogue to the VHT80 below. */ if (is_vht && flags[j] & IEEE80211_CHAN_VHT160) if (! is_vht160_valid_freq(freq)) continue; /* * Test for VHT80. * XXX This is all very broken right now. * What we /should/ do is: * * + check that the frequency is in the list of * allowed VHT80 ranges; and * + the other 3 channels in the list are actually * also available. */ if (is_vht && flags[j] & IEEE80211_CHAN_VHT80) if (! is_vht80_valid_freq(freq)) continue; /* * Test for (V)HT40. * * This is also a fall through from VHT80; as we only * allow a VHT80 channel if the VHT40 combination is * also valid. If the VHT40 form is not valid then * we certainly can't do VHT80.. */ if (flags[j] & IEEE80211_CHAN_HT40D) /* * Can't have a "lower" channel if we are the * first channel. * * Can't have a "lower" channel if it's below/ * within 20MHz of the first channel. * * Can't have a "lower" channel if the channel * below it is not 20MHz away. */ if (i == 0 || ieee[i] < ieee[0] + 4 || freq - 20 != ieee80211_ieee2mhz(ieee[i] - 4, flags[j])) continue; if (flags[j] & IEEE80211_CHAN_HT40U) /* * Can't have an "upper" channel if we are * the last channel. * * Can't have an "upper" channel be above the * last channel in the list. * * Can't have an "upper" channel if the next * channel according to the math isn't 20MHz * away. (Likely for channel 13/14.) */ if (i == nieee - 1 || ieee[i] + 4 > ieee[nieee - 1] || freq + 20 != ieee80211_ieee2mhz(ieee[i] + 4, flags[j])) continue; if (j == 0) { error = addchan(chans, maxchans, nchans, ieee[i], freq, 0, flags[j]); } else { error = copychan_prev(chans, maxchans, nchans, flags[j]); } if (error != 0) return (error); } } return (0); } int ieee80211_add_channel_list_2ghz(struct ieee80211_channel chans[], int maxchans, int *nchans, const uint8_t ieee[], int nieee, const uint8_t bands[], int cbw_flags) { uint32_t flags[IEEE80211_MODE_MAX]; /* XXX no VHT for now */ getflags_2ghz(bands, flags, cbw_flags); KASSERT(flags[0] != 0, ("%s: no correct mode provided\n", __func__)); return (add_chanlist(chans, maxchans, nchans, ieee, nieee, flags)); } int ieee80211_add_channels_default_2ghz(struct ieee80211_channel chans[], int maxchans, int *nchans, const uint8_t bands[], int cbw_flags) { const uint8_t default_chan_list[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 }; return (ieee80211_add_channel_list_2ghz(chans, maxchans, nchans, default_chan_list, nitems(default_chan_list), bands, cbw_flags)); } int ieee80211_add_channel_list_5ghz(struct ieee80211_channel chans[], int maxchans, int *nchans, const uint8_t ieee[], int nieee, const uint8_t bands[], int cbw_flags) { /* * XXX-BZ with HT and VHT there is no 1:1 mapping anymore. Review all * uses of IEEE80211_MODE_MAX and add a new #define name for array size. */ uint32_t flags[2 * IEEE80211_MODE_MAX]; getflags_5ghz(bands, flags, cbw_flags); KASSERT(flags[0] != 0, ("%s: no correct mode provided\n", __func__)); return (add_chanlist(chans, maxchans, nchans, ieee, nieee, flags)); } /* * Locate a channel given a frequency+flags. We cache * the previous lookup to optimize switching between two * channels--as happens with dynamic turbo. */ struct ieee80211_channel * ieee80211_find_channel(struct ieee80211com *ic, int freq, int flags) { struct ieee80211_channel *c; flags &= IEEE80211_CHAN_ALLTURBO; c = ic->ic_prevchan; if (c != NULL && c->ic_freq == freq && (c->ic_flags & IEEE80211_CHAN_ALLTURBO) == flags) return c; /* brute force search */ return (findchannel(ic->ic_channels, ic->ic_nchans, freq, flags)); } /* * Locate a channel given a channel number+flags. We cache * the previous lookup to optimize switching between two * channels--as happens with dynamic turbo. */ struct ieee80211_channel * ieee80211_find_channel_byieee(struct ieee80211com *ic, int ieee, int flags) { struct ieee80211_channel *c; int i; flags &= IEEE80211_CHAN_ALLTURBO; c = ic->ic_prevchan; if (c != NULL && c->ic_ieee == ieee && (c->ic_flags & IEEE80211_CHAN_ALLTURBO) == flags) return c; /* brute force search */ for (i = 0; i < ic->ic_nchans; i++) { c = &ic->ic_channels[i]; if (c->ic_ieee == ieee && (c->ic_flags & IEEE80211_CHAN_ALLTURBO) == flags) return c; } return NULL; } /* * Lookup a channel suitable for the given rx status. * * This is used to find a channel for a frame (eg beacon, probe * response) based purely on the received PHY information. * * For now it tries to do it based on R_FREQ / R_IEEE. * This is enough for 11bg and 11a (and thus 11ng/11na) * but it will not be enough for GSM, PSB channels and the * like. It also doesn't know about legacy-turbog and * legacy-turbo modes, which some offload NICs actually * support in weird ways. * * Takes the ic and rxstatus; returns the channel or NULL * if not found. * * XXX TODO: Add support for that when the need arises. */ struct ieee80211_channel * ieee80211_lookup_channel_rxstatus(struct ieee80211vap *vap, const struct ieee80211_rx_stats *rxs) { struct ieee80211com *ic = vap->iv_ic; uint32_t flags; struct ieee80211_channel *c; if (rxs == NULL) return (NULL); /* * Strictly speaking we only use freq for now, * however later on we may wish to just store * the ieee for verification. */ if ((rxs->r_flags & IEEE80211_R_FREQ) == 0) return (NULL); if ((rxs->r_flags & IEEE80211_R_IEEE) == 0) return (NULL); if ((rxs->r_flags & IEEE80211_R_BAND) == 0) return (NULL); /* * If the rx status contains a valid ieee/freq, then * ensure we populate the correct channel information * in rxchan before passing it up to the scan infrastructure. * Offload NICs will pass up beacons from all channels * during background scans. */ /* Determine a band */ switch (rxs->c_band) { case IEEE80211_CHAN_2GHZ: flags = IEEE80211_CHAN_G; break; case IEEE80211_CHAN_5GHZ: flags = IEEE80211_CHAN_A; break; default: if (rxs->c_freq < 3000) { flags = IEEE80211_CHAN_G; } else { flags = IEEE80211_CHAN_A; } break; } /* Channel lookup */ c = ieee80211_find_channel(ic, rxs->c_freq, flags); IEEE80211_DPRINTF(vap, IEEE80211_MSG_INPUT, "%s: freq=%d, ieee=%d, flags=0x%08x; c=%p\n", __func__, (int) rxs->c_freq, (int) rxs->c_ieee, flags, c); return (c); } static void addmedia(struct ifmedia *media, int caps, int addsta, int mode, int mword) { #define ADD(_ic, _s, _o) \ ifmedia_add(media, \ IFM_MAKEWORD(IFM_IEEE80211, (_s), (_o), 0), 0, NULL) static const u_int mopts[IEEE80211_MODE_MAX] = { [IEEE80211_MODE_AUTO] = IFM_AUTO, [IEEE80211_MODE_11A] = IFM_IEEE80211_11A, [IEEE80211_MODE_11B] = IFM_IEEE80211_11B, [IEEE80211_MODE_11G] = IFM_IEEE80211_11G, [IEEE80211_MODE_FH] = IFM_IEEE80211_FH, [IEEE80211_MODE_TURBO_A] = IFM_IEEE80211_11A|IFM_IEEE80211_TURBO, [IEEE80211_MODE_TURBO_G] = IFM_IEEE80211_11G|IFM_IEEE80211_TURBO, [IEEE80211_MODE_STURBO_A] = IFM_IEEE80211_11A|IFM_IEEE80211_TURBO, [IEEE80211_MODE_HALF] = IFM_IEEE80211_11A, /* XXX */ [IEEE80211_MODE_QUARTER] = IFM_IEEE80211_11A, /* XXX */ [IEEE80211_MODE_11NA] = IFM_IEEE80211_11NA, [IEEE80211_MODE_11NG] = IFM_IEEE80211_11NG, [IEEE80211_MODE_VHT_2GHZ] = IFM_IEEE80211_VHT2G, [IEEE80211_MODE_VHT_5GHZ] = IFM_IEEE80211_VHT5G, }; u_int mopt; mopt = mopts[mode]; if (addsta) ADD(ic, mword, mopt); /* STA mode has no cap */ if (caps & IEEE80211_C_IBSS) ADD(media, mword, mopt | IFM_IEEE80211_ADHOC); if (caps & IEEE80211_C_HOSTAP) ADD(media, mword, mopt | IFM_IEEE80211_HOSTAP); if (caps & IEEE80211_C_AHDEMO) ADD(media, mword, mopt | IFM_IEEE80211_ADHOC | IFM_FLAG0); if (caps & IEEE80211_C_MONITOR) ADD(media, mword, mopt | IFM_IEEE80211_MONITOR); if (caps & IEEE80211_C_WDS) ADD(media, mword, mopt | IFM_IEEE80211_WDS); if (caps & IEEE80211_C_MBSS) ADD(media, mword, mopt | IFM_IEEE80211_MBSS); #undef ADD } /* * Setup the media data structures according to the channel and * rate tables. */ static int ieee80211_media_setup(struct ieee80211com *ic, struct ifmedia *media, int caps, int addsta, ifm_change_cb_t media_change, ifm_stat_cb_t media_stat) { int i, j, rate, maxrate, mword, r; enum ieee80211_phymode mode; const struct ieee80211_rateset *rs; struct ieee80211_rateset allrates; /* * Fill in media characteristics. */ ifmedia_init(media, 0, media_change, media_stat); maxrate = 0; /* * Add media for legacy operating modes. */ memset(&allrates, 0, sizeof(allrates)); for (mode = IEEE80211_MODE_AUTO; mode < IEEE80211_MODE_11NA; mode++) { if (isclr(ic->ic_modecaps, mode)) continue; addmedia(media, caps, addsta, mode, IFM_AUTO); if (mode == IEEE80211_MODE_AUTO) continue; rs = &ic->ic_sup_rates[mode]; for (i = 0; i < rs->rs_nrates; i++) { rate = rs->rs_rates[i]; mword = ieee80211_rate2media(ic, rate, mode); if (mword == 0) continue; addmedia(media, caps, addsta, mode, mword); /* * Add legacy rate to the collection of all rates. */ r = rate & IEEE80211_RATE_VAL; for (j = 0; j < allrates.rs_nrates; j++) if (allrates.rs_rates[j] == r) break; if (j == allrates.rs_nrates) { /* unique, add to the set */ allrates.rs_rates[j] = r; allrates.rs_nrates++; } rate = (rate & IEEE80211_RATE_VAL) / 2; if (rate > maxrate) maxrate = rate; } } for (i = 0; i < allrates.rs_nrates; i++) { mword = ieee80211_rate2media(ic, allrates.rs_rates[i], IEEE80211_MODE_AUTO); if (mword == 0) continue; /* NB: remove media options from mword */ addmedia(media, caps, addsta, IEEE80211_MODE_AUTO, IFM_SUBTYPE(mword)); } /* * Add HT/11n media. Note that we do not have enough * bits in the media subtype to express the MCS so we * use a "placeholder" media subtype and any fixed MCS * must be specified with a different mechanism. */ for (; mode <= IEEE80211_MODE_11NG; mode++) { if (isclr(ic->ic_modecaps, mode)) continue; addmedia(media, caps, addsta, mode, IFM_AUTO); addmedia(media, caps, addsta, mode, IFM_IEEE80211_MCS); } if (isset(ic->ic_modecaps, IEEE80211_MODE_11NA) || isset(ic->ic_modecaps, IEEE80211_MODE_11NG)) { addmedia(media, caps, addsta, IEEE80211_MODE_AUTO, IFM_IEEE80211_MCS); i = ic->ic_txstream * 8 - 1; if ((ic->ic_htcaps & IEEE80211_HTCAP_CHWIDTH40) && (ic->ic_htcaps & IEEE80211_HTCAP_SHORTGI40)) rate = ieee80211_htrates[i].ht40_rate_400ns; else if ((ic->ic_htcaps & IEEE80211_HTCAP_CHWIDTH40)) rate = ieee80211_htrates[i].ht40_rate_800ns; else if ((ic->ic_htcaps & IEEE80211_HTCAP_SHORTGI20)) rate = ieee80211_htrates[i].ht20_rate_400ns; else rate = ieee80211_htrates[i].ht20_rate_800ns; if (rate > maxrate) maxrate = rate; } /* * Add VHT media. * XXX-BZ skip "VHT_2GHZ" for now. */ for (mode = IEEE80211_MODE_VHT_5GHZ; mode <= IEEE80211_MODE_VHT_5GHZ; mode++) { if (isclr(ic->ic_modecaps, mode)) continue; addmedia(media, caps, addsta, mode, IFM_AUTO); addmedia(media, caps, addsta, mode, IFM_IEEE80211_VHT); } if (isset(ic->ic_modecaps, IEEE80211_MODE_VHT_5GHZ)) { addmedia(media, caps, addsta, IEEE80211_MODE_AUTO, IFM_IEEE80211_VHT); /* XXX TODO: VHT maxrate */ } return maxrate; } /* XXX inline or eliminate? */ const struct ieee80211_rateset * ieee80211_get_suprates(struct ieee80211com *ic, const struct ieee80211_channel *c) { /* XXX does this work for 11ng basic rates? */ return &ic->ic_sup_rates[ieee80211_chan2mode(c)]; } /* XXX inline or eliminate? */ const struct ieee80211_htrateset * ieee80211_get_suphtrates(struct ieee80211com *ic, const struct ieee80211_channel *c) { return &ic->ic_sup_htrates; } void ieee80211_announce(struct ieee80211com *ic) { int i, rate, mword; enum ieee80211_phymode mode; const struct ieee80211_rateset *rs; /* NB: skip AUTO since it has no rates */ for (mode = IEEE80211_MODE_AUTO+1; mode < IEEE80211_MODE_11NA; mode++) { if (isclr(ic->ic_modecaps, mode)) continue; ic_printf(ic, "%s rates: ", ieee80211_phymode_name[mode]); rs = &ic->ic_sup_rates[mode]; for (i = 0; i < rs->rs_nrates; i++) { mword = ieee80211_rate2media(ic, rs->rs_rates[i], mode); if (mword == 0) continue; rate = ieee80211_media2rate(mword); printf("%s%d%sMbps", (i != 0 ? " " : ""), rate / 2, ((rate & 0x1) != 0 ? ".5" : "")); } printf("\n"); } ieee80211_ht_announce(ic); ieee80211_vht_announce(ic); } void ieee80211_announce_channels(struct ieee80211com *ic) { const struct ieee80211_channel *c; char type; int i, cw; printf("Chan Freq CW RegPwr MinPwr MaxPwr\n"); for (i = 0; i < ic->ic_nchans; i++) { c = &ic->ic_channels[i]; if (IEEE80211_IS_CHAN_ST(c)) type = 'S'; else if (IEEE80211_IS_CHAN_108A(c)) type = 'T'; else if (IEEE80211_IS_CHAN_108G(c)) type = 'G'; else if (IEEE80211_IS_CHAN_HT(c)) type = 'n'; else if (IEEE80211_IS_CHAN_A(c)) type = 'a'; else if (IEEE80211_IS_CHAN_ANYG(c)) type = 'g'; else if (IEEE80211_IS_CHAN_B(c)) type = 'b'; else type = 'f'; if (IEEE80211_IS_CHAN_HT40(c) || IEEE80211_IS_CHAN_TURBO(c)) cw = 40; else if (IEEE80211_IS_CHAN_HALF(c)) cw = 10; else if (IEEE80211_IS_CHAN_QUARTER(c)) cw = 5; else cw = 20; printf("%4d %4d%c %2d%c %6d %4d.%d %4d.%d\n" , c->ic_ieee, c->ic_freq, type , cw , IEEE80211_IS_CHAN_HT40U(c) ? '+' : IEEE80211_IS_CHAN_HT40D(c) ? '-' : ' ' , c->ic_maxregpower , c->ic_minpower / 2, c->ic_minpower & 1 ? 5 : 0 , c->ic_maxpower / 2, c->ic_maxpower & 1 ? 5 : 0 ); } } static int media2mode(const struct ifmedia_entry *ime, uint32_t flags, uint16_t *mode) { switch (IFM_MODE(ime->ifm_media)) { case IFM_IEEE80211_11A: *mode = IEEE80211_MODE_11A; break; case IFM_IEEE80211_11B: *mode = IEEE80211_MODE_11B; break; case IFM_IEEE80211_11G: *mode = IEEE80211_MODE_11G; break; case IFM_IEEE80211_FH: *mode = IEEE80211_MODE_FH; break; case IFM_IEEE80211_11NA: *mode = IEEE80211_MODE_11NA; break; case IFM_IEEE80211_11NG: *mode = IEEE80211_MODE_11NG; break; case IFM_IEEE80211_VHT2G: *mode = IEEE80211_MODE_VHT_2GHZ; break; case IFM_IEEE80211_VHT5G: *mode = IEEE80211_MODE_VHT_5GHZ; break; case IFM_AUTO: *mode = IEEE80211_MODE_AUTO; break; default: return 0; } /* * Turbo mode is an ``option''. * XXX does not apply to AUTO */ if (ime->ifm_media & IFM_IEEE80211_TURBO) { if (*mode == IEEE80211_MODE_11A) { if (flags & IEEE80211_F_TURBOP) *mode = IEEE80211_MODE_TURBO_A; else *mode = IEEE80211_MODE_STURBO_A; } else if (*mode == IEEE80211_MODE_11G) *mode = IEEE80211_MODE_TURBO_G; else return 0; } /* XXX HT40 +/- */ return 1; } /* * Handle a media change request on the vap interface. */ int ieee80211_media_change(struct ifnet *ifp) { struct ieee80211vap *vap = ifp->if_softc; struct ifmedia_entry *ime = vap->iv_media.ifm_cur; uint16_t newmode; if (!media2mode(ime, vap->iv_flags, &newmode)) return EINVAL; if (vap->iv_des_mode != newmode) { vap->iv_des_mode = newmode; /* XXX kick state machine if up+running */ } return 0; } /* * Common code to calculate the media status word * from the operating mode and channel state. */ static int media_status(enum ieee80211_opmode opmode, const struct ieee80211_channel *chan) { int status; status = IFM_IEEE80211; switch (opmode) { case IEEE80211_M_STA: break; case IEEE80211_M_IBSS: status |= IFM_IEEE80211_ADHOC; break; case IEEE80211_M_HOSTAP: status |= IFM_IEEE80211_HOSTAP; break; case IEEE80211_M_MONITOR: status |= IFM_IEEE80211_MONITOR; break; case IEEE80211_M_AHDEMO: status |= IFM_IEEE80211_ADHOC | IFM_FLAG0; break; case IEEE80211_M_WDS: status |= IFM_IEEE80211_WDS; break; case IEEE80211_M_MBSS: status |= IFM_IEEE80211_MBSS; break; } if (IEEE80211_IS_CHAN_VHT_5GHZ(chan)) { status |= IFM_IEEE80211_VHT5G; } else if (IEEE80211_IS_CHAN_VHT_2GHZ(chan)) { status |= IFM_IEEE80211_VHT2G; } else if (IEEE80211_IS_CHAN_HTA(chan)) { status |= IFM_IEEE80211_11NA; } else if (IEEE80211_IS_CHAN_HTG(chan)) { status |= IFM_IEEE80211_11NG; } else if (IEEE80211_IS_CHAN_A(chan)) { status |= IFM_IEEE80211_11A; } else if (IEEE80211_IS_CHAN_B(chan)) { status |= IFM_IEEE80211_11B; } else if (IEEE80211_IS_CHAN_ANYG(chan)) { status |= IFM_IEEE80211_11G; } else if (IEEE80211_IS_CHAN_FHSS(chan)) { status |= IFM_IEEE80211_FH; } /* XXX else complain? */ if (IEEE80211_IS_CHAN_TURBO(chan)) status |= IFM_IEEE80211_TURBO; #if 0 if (IEEE80211_IS_CHAN_HT20(chan)) status |= IFM_IEEE80211_HT20; if (IEEE80211_IS_CHAN_HT40(chan)) status |= IFM_IEEE80211_HT40; #endif return status; } void ieee80211_media_status(struct ifnet *ifp, struct ifmediareq *imr) { struct ieee80211vap *vap = ifp->if_softc; struct ieee80211com *ic = vap->iv_ic; enum ieee80211_phymode mode; imr->ifm_status = IFM_AVALID; /* * NB: use the current channel's mode to lock down a xmit * rate only when running; otherwise we may have a mismatch * in which case the rate will not be convertible. */ if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) { imr->ifm_status |= IFM_ACTIVE; mode = ieee80211_chan2mode(ic->ic_curchan); } else mode = IEEE80211_MODE_AUTO; imr->ifm_active = media_status(vap->iv_opmode, ic->ic_curchan); /* * Calculate a current rate if possible. */ if (vap->iv_txparms[mode].ucastrate != IEEE80211_FIXED_RATE_NONE) { /* * A fixed rate is set, report that. */ imr->ifm_active |= ieee80211_rate2media(ic, vap->iv_txparms[mode].ucastrate, mode); } else if (vap->iv_opmode == IEEE80211_M_STA) { /* * In station mode report the current transmit rate. */ imr->ifm_active |= ieee80211_rate2media(ic, vap->iv_bss->ni_txrate, mode); } else imr->ifm_active |= IFM_AUTO; if (imr->ifm_status & IFM_ACTIVE) imr->ifm_current = imr->ifm_active; } /* * Set the current phy mode and recalculate the active channel * set based on the available channels for this mode. Also * select a new default/current channel if the current one is * inappropriate for this mode. */ int ieee80211_setmode(struct ieee80211com *ic, enum ieee80211_phymode mode) { /* * Adjust basic rates in 11b/11g supported rate set. * Note that if operating on a hal/quarter rate channel * this is a noop as those rates sets are different * and used instead. */ if (mode == IEEE80211_MODE_11G || mode == IEEE80211_MODE_11B) ieee80211_setbasicrates(&ic->ic_sup_rates[mode], mode); ic->ic_curmode = mode; ieee80211_reset_erp(ic); /* reset global ERP state */ return 0; } /* * Return the phy mode for with the specified channel. */ enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *chan) { if (IEEE80211_IS_CHAN_VHT_2GHZ(chan)) return IEEE80211_MODE_VHT_2GHZ; else if (IEEE80211_IS_CHAN_VHT_5GHZ(chan)) return IEEE80211_MODE_VHT_5GHZ; else if (IEEE80211_IS_CHAN_HTA(chan)) return IEEE80211_MODE_11NA; else if (IEEE80211_IS_CHAN_HTG(chan)) return IEEE80211_MODE_11NG; else if (IEEE80211_IS_CHAN_108G(chan)) return IEEE80211_MODE_TURBO_G; else if (IEEE80211_IS_CHAN_ST(chan)) return IEEE80211_MODE_STURBO_A; else if (IEEE80211_IS_CHAN_TURBO(chan)) return IEEE80211_MODE_TURBO_A; else if (IEEE80211_IS_CHAN_HALF(chan)) return IEEE80211_MODE_HALF; else if (IEEE80211_IS_CHAN_QUARTER(chan)) return IEEE80211_MODE_QUARTER; else if (IEEE80211_IS_CHAN_A(chan)) return IEEE80211_MODE_11A; else if (IEEE80211_IS_CHAN_ANYG(chan)) return IEEE80211_MODE_11G; else if (IEEE80211_IS_CHAN_B(chan)) return IEEE80211_MODE_11B; else if (IEEE80211_IS_CHAN_FHSS(chan)) return IEEE80211_MODE_FH; /* NB: should not get here */ printf("%s: cannot map channel to mode; freq %u flags 0x%x\n", __func__, chan->ic_freq, chan->ic_flags); return IEEE80211_MODE_11B; } struct ratemedia { u_int match; /* rate + mode */ u_int media; /* if_media rate */ }; static int findmedia(const struct ratemedia rates[], int n, u_int match) { int i; for (i = 0; i < n; i++) if (rates[i].match == match) return rates[i].media; return IFM_AUTO; } /* * Convert IEEE80211 rate value to ifmedia subtype. * Rate is either a legacy rate in units of 0.5Mbps * or an MCS index. */ int ieee80211_rate2media(struct ieee80211com *ic, int rate, enum ieee80211_phymode mode) { static const struct ratemedia rates[] = { { 2 | IFM_IEEE80211_FH, IFM_IEEE80211_FH1 }, { 4 | IFM_IEEE80211_FH, IFM_IEEE80211_FH2 }, { 2 | IFM_IEEE80211_11B, IFM_IEEE80211_DS1 }, { 4 | IFM_IEEE80211_11B, IFM_IEEE80211_DS2 }, { 11 | IFM_IEEE80211_11B, IFM_IEEE80211_DS5 }, { 22 | IFM_IEEE80211_11B, IFM_IEEE80211_DS11 }, { 44 | IFM_IEEE80211_11B, IFM_IEEE80211_DS22 }, { 12 | IFM_IEEE80211_11A, IFM_IEEE80211_OFDM6 }, { 18 | IFM_IEEE80211_11A, IFM_IEEE80211_OFDM9 }, { 24 | IFM_IEEE80211_11A, IFM_IEEE80211_OFDM12 }, { 36 | IFM_IEEE80211_11A, IFM_IEEE80211_OFDM18 }, { 48 | IFM_IEEE80211_11A, IFM_IEEE80211_OFDM24 }, { 72 | IFM_IEEE80211_11A, IFM_IEEE80211_OFDM36 }, { 96 | IFM_IEEE80211_11A, IFM_IEEE80211_OFDM48 }, { 108 | IFM_IEEE80211_11A, IFM_IEEE80211_OFDM54 }, { 2 | IFM_IEEE80211_11G, IFM_IEEE80211_DS1 }, { 4 | IFM_IEEE80211_11G, IFM_IEEE80211_DS2 }, { 11 | IFM_IEEE80211_11G, IFM_IEEE80211_DS5 }, { 22 | IFM_IEEE80211_11G, IFM_IEEE80211_DS11 }, { 12 | IFM_IEEE80211_11G, IFM_IEEE80211_OFDM6 }, { 18 | IFM_IEEE80211_11G, IFM_IEEE80211_OFDM9 }, { 24 | IFM_IEEE80211_11G, IFM_IEEE80211_OFDM12 }, { 36 | IFM_IEEE80211_11G, IFM_IEEE80211_OFDM18 }, { 48 | IFM_IEEE80211_11G, IFM_IEEE80211_OFDM24 }, { 72 | IFM_IEEE80211_11G, IFM_IEEE80211_OFDM36 }, { 96 | IFM_IEEE80211_11G, IFM_IEEE80211_OFDM48 }, { 108 | IFM_IEEE80211_11G, IFM_IEEE80211_OFDM54 }, { 6 | IFM_IEEE80211_11A, IFM_IEEE80211_OFDM3 }, { 9 | IFM_IEEE80211_11A, IFM_IEEE80211_OFDM4 }, { 54 | IFM_IEEE80211_11A, IFM_IEEE80211_OFDM27 }, /* NB: OFDM72 doesn't really exist so we don't handle it */ }; static const struct ratemedia htrates[] = { { 0, IFM_IEEE80211_MCS }, { 1, IFM_IEEE80211_MCS }, { 2, IFM_IEEE80211_MCS }, { 3, IFM_IEEE80211_MCS }, { 4, IFM_IEEE80211_MCS }, { 5, IFM_IEEE80211_MCS }, { 6, IFM_IEEE80211_MCS }, { 7, IFM_IEEE80211_MCS }, { 8, IFM_IEEE80211_MCS }, { 9, IFM_IEEE80211_MCS }, { 10, IFM_IEEE80211_MCS }, { 11, IFM_IEEE80211_MCS }, { 12, IFM_IEEE80211_MCS }, { 13, IFM_IEEE80211_MCS }, { 14, IFM_IEEE80211_MCS }, { 15, IFM_IEEE80211_MCS }, { 16, IFM_IEEE80211_MCS }, { 17, IFM_IEEE80211_MCS }, { 18, IFM_IEEE80211_MCS }, { 19, IFM_IEEE80211_MCS }, { 20, IFM_IEEE80211_MCS }, { 21, IFM_IEEE80211_MCS }, { 22, IFM_IEEE80211_MCS }, { 23, IFM_IEEE80211_MCS }, { 24, IFM_IEEE80211_MCS }, { 25, IFM_IEEE80211_MCS }, { 26, IFM_IEEE80211_MCS }, { 27, IFM_IEEE80211_MCS }, { 28, IFM_IEEE80211_MCS }, { 29, IFM_IEEE80211_MCS }, { 30, IFM_IEEE80211_MCS }, { 31, IFM_IEEE80211_MCS }, { 32, IFM_IEEE80211_MCS }, { 33, IFM_IEEE80211_MCS }, { 34, IFM_IEEE80211_MCS }, { 35, IFM_IEEE80211_MCS }, { 36, IFM_IEEE80211_MCS }, { 37, IFM_IEEE80211_MCS }, { 38, IFM_IEEE80211_MCS }, { 39, IFM_IEEE80211_MCS }, { 40, IFM_IEEE80211_MCS }, { 41, IFM_IEEE80211_MCS }, { 42, IFM_IEEE80211_MCS }, { 43, IFM_IEEE80211_MCS }, { 44, IFM_IEEE80211_MCS }, { 45, IFM_IEEE80211_MCS }, { 46, IFM_IEEE80211_MCS }, { 47, IFM_IEEE80211_MCS }, { 48, IFM_IEEE80211_MCS }, { 49, IFM_IEEE80211_MCS }, { 50, IFM_IEEE80211_MCS }, { 51, IFM_IEEE80211_MCS }, { 52, IFM_IEEE80211_MCS }, { 53, IFM_IEEE80211_MCS }, { 54, IFM_IEEE80211_MCS }, { 55, IFM_IEEE80211_MCS }, { 56, IFM_IEEE80211_MCS }, { 57, IFM_IEEE80211_MCS }, { 58, IFM_IEEE80211_MCS }, { 59, IFM_IEEE80211_MCS }, { 60, IFM_IEEE80211_MCS }, { 61, IFM_IEEE80211_MCS }, { 62, IFM_IEEE80211_MCS }, { 63, IFM_IEEE80211_MCS }, { 64, IFM_IEEE80211_MCS }, { 65, IFM_IEEE80211_MCS }, { 66, IFM_IEEE80211_MCS }, { 67, IFM_IEEE80211_MCS }, { 68, IFM_IEEE80211_MCS }, { 69, IFM_IEEE80211_MCS }, { 70, IFM_IEEE80211_MCS }, { 71, IFM_IEEE80211_MCS }, { 72, IFM_IEEE80211_MCS }, { 73, IFM_IEEE80211_MCS }, { 74, IFM_IEEE80211_MCS }, { 75, IFM_IEEE80211_MCS }, { 76, IFM_IEEE80211_MCS }, }; static const struct ratemedia vhtrates[] = { { 0, IFM_IEEE80211_VHT }, { 1, IFM_IEEE80211_VHT }, { 2, IFM_IEEE80211_VHT }, { 3, IFM_IEEE80211_VHT }, { 4, IFM_IEEE80211_VHT }, { 5, IFM_IEEE80211_VHT }, { 6, IFM_IEEE80211_VHT }, { 7, IFM_IEEE80211_VHT }, { 8, IFM_IEEE80211_VHT }, /* Optional. */ { 9, IFM_IEEE80211_VHT }, /* Optional. */ #if 0 /* Some QCA and BRCM seem to support this; offspec. */ { 10, IFM_IEEE80211_VHT }, { 11, IFM_IEEE80211_VHT }, #endif }; int m; /* * Check 11ac/11n rates first for match as an MCS. */ if (mode == IEEE80211_MODE_VHT_5GHZ) { if (rate & IFM_IEEE80211_VHT) { rate &= ~IFM_IEEE80211_VHT; m = findmedia(vhtrates, nitems(vhtrates), rate); if (m != IFM_AUTO) return (m | IFM_IEEE80211_VHT); } } else if (mode == IEEE80211_MODE_11NA) { if (rate & IEEE80211_RATE_MCS) { rate &= ~IEEE80211_RATE_MCS; m = findmedia(htrates, nitems(htrates), rate); if (m != IFM_AUTO) return m | IFM_IEEE80211_11NA; } } else if (mode == IEEE80211_MODE_11NG) { /* NB: 12 is ambiguous, it will be treated as an MCS */ if (rate & IEEE80211_RATE_MCS) { rate &= ~IEEE80211_RATE_MCS; m = findmedia(htrates, nitems(htrates), rate); if (m != IFM_AUTO) return m | IFM_IEEE80211_11NG; } } rate &= IEEE80211_RATE_VAL; switch (mode) { case IEEE80211_MODE_11A: case IEEE80211_MODE_HALF: /* XXX good 'nuf */ case IEEE80211_MODE_QUARTER: case IEEE80211_MODE_11NA: case IEEE80211_MODE_TURBO_A: case IEEE80211_MODE_STURBO_A: return findmedia(rates, nitems(rates), rate | IFM_IEEE80211_11A); case IEEE80211_MODE_11B: return findmedia(rates, nitems(rates), rate | IFM_IEEE80211_11B); case IEEE80211_MODE_FH: return findmedia(rates, nitems(rates), rate | IFM_IEEE80211_FH); case IEEE80211_MODE_AUTO: /* NB: ic may be NULL for some drivers */ if (ic != NULL && ic->ic_phytype == IEEE80211_T_FH) return findmedia(rates, nitems(rates), rate | IFM_IEEE80211_FH); /* NB: hack, 11g matches both 11b+11a rates */ /* fall thru... */ case IEEE80211_MODE_11G: case IEEE80211_MODE_11NG: case IEEE80211_MODE_TURBO_G: return findmedia(rates, nitems(rates), rate | IFM_IEEE80211_11G); case IEEE80211_MODE_VHT_2GHZ: case IEEE80211_MODE_VHT_5GHZ: /* XXX TODO: need to figure out mapping for VHT rates */ return IFM_AUTO; } return IFM_AUTO; } int ieee80211_media2rate(int mword) { static const int ieeerates[] = { -1, /* IFM_AUTO */ 0, /* IFM_MANUAL */ 0, /* IFM_NONE */ 2, /* IFM_IEEE80211_FH1 */ 4, /* IFM_IEEE80211_FH2 */ 2, /* IFM_IEEE80211_DS1 */ 4, /* IFM_IEEE80211_DS2 */ 11, /* IFM_IEEE80211_DS5 */ 22, /* IFM_IEEE80211_DS11 */ 44, /* IFM_IEEE80211_DS22 */ 12, /* IFM_IEEE80211_OFDM6 */ 18, /* IFM_IEEE80211_OFDM9 */ 24, /* IFM_IEEE80211_OFDM12 */ 36, /* IFM_IEEE80211_OFDM18 */ 48, /* IFM_IEEE80211_OFDM24 */ 72, /* IFM_IEEE80211_OFDM36 */ 96, /* IFM_IEEE80211_OFDM48 */ 108, /* IFM_IEEE80211_OFDM54 */ 144, /* IFM_IEEE80211_OFDM72 */ 0, /* IFM_IEEE80211_DS354k */ 0, /* IFM_IEEE80211_DS512k */ 6, /* IFM_IEEE80211_OFDM3 */ 9, /* IFM_IEEE80211_OFDM4 */ 54, /* IFM_IEEE80211_OFDM27 */ -1, /* IFM_IEEE80211_MCS */ -1, /* IFM_IEEE80211_VHT */ }; return IFM_SUBTYPE(mword) < nitems(ieeerates) ? ieeerates[IFM_SUBTYPE(mword)] : 0; } /* * The following hash function is adapted from "Hash Functions" by Bob Jenkins * ("Algorithm Alley", Dr. Dobbs Journal, September 1997). */ #define mix(a, b, c) \ do { \ a -= b; a -= c; a ^= (c >> 13); \ b -= c; b -= a; b ^= (a << 8); \ c -= a; c -= b; c ^= (b >> 13); \ a -= b; a -= c; a ^= (c >> 12); \ b -= c; b -= a; b ^= (a << 16); \ c -= a; c -= b; c ^= (b >> 5); \ a -= b; a -= c; a ^= (c >> 3); \ b -= c; b -= a; b ^= (a << 10); \ c -= a; c -= b; c ^= (b >> 15); \ } while (/*CONSTCOND*/0) uint32_t ieee80211_mac_hash(const struct ieee80211com *ic, const uint8_t addr[IEEE80211_ADDR_LEN]) { uint32_t a = 0x9e3779b9, b = 0x9e3779b9, c = ic->ic_hash_key; b += addr[5] << 8; b += addr[4]; a += addr[3] << 24; a += addr[2] << 16; a += addr[1] << 8; a += addr[0]; mix(a, b, c); return c; } #undef mix char ieee80211_channel_type_char(const struct ieee80211_channel *c) { if (IEEE80211_IS_CHAN_ST(c)) return 'S'; if (IEEE80211_IS_CHAN_108A(c)) return 'T'; if (IEEE80211_IS_CHAN_108G(c)) return 'G'; if (IEEE80211_IS_CHAN_VHT(c)) return 'v'; if (IEEE80211_IS_CHAN_HT(c)) return 'n'; if (IEEE80211_IS_CHAN_A(c)) return 'a'; if (IEEE80211_IS_CHAN_ANYG(c)) return 'g'; if (IEEE80211_IS_CHAN_B(c)) return 'b'; return 'f'; } diff --git a/sys/net80211/ieee80211_crypto.c b/sys/net80211/ieee80211_crypto.c index 3659d3f7c79a..829653ff1335 100644 --- a/sys/net80211/ieee80211_crypto.c +++ b/sys/net80211/ieee80211_crypto.c @@ -1,850 +1,885 @@ /*- * SPDX-License-Identifier: BSD-2-Clause * * Copyright (c) 2001 Atsushi Onoe * Copyright (c) 2002-2008 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. */ #include /* * IEEE 802.11 generic crypto support. */ #include "opt_wlan.h" #include #include #include #include #include #include #include #include /* XXX ETHER_HDR_LEN */ #include MALLOC_DEFINE(M_80211_CRYPTO, "80211crypto", "802.11 crypto state"); static int _ieee80211_crypto_delkey(struct ieee80211vap *, struct ieee80211_key *); /* * Table of registered cipher modules. */ static const struct ieee80211_cipher *ciphers[IEEE80211_CIPHER_MAX]; /* * Default "null" key management routines. */ static int null_key_alloc(struct ieee80211vap *vap, struct ieee80211_key *k, ieee80211_keyix *keyix, ieee80211_keyix *rxkeyix) { if (!(&vap->iv_nw_keys[0] <= k && k < &vap->iv_nw_keys[IEEE80211_WEP_NKID])) { /* * Not in the global key table, the driver should handle this * by allocating a slot in the h/w key table/cache. In * lieu of that return key slot 0 for any unicast key * request. We disallow the request if this is a group key. * This default policy does the right thing for legacy hardware * with a 4 key table. It also handles devices that pass * packets through untouched when marked with the WEP bit * and key index 0. */ if (k->wk_flags & IEEE80211_KEY_GROUP) return 0; *keyix = 0; /* NB: use key index 0 for ucast key */ } else { *keyix = ieee80211_crypto_get_key_wepidx(vap, k); } *rxkeyix = IEEE80211_KEYIX_NONE; /* XXX maybe *keyix? */ return 1; } static int null_key_delete(struct ieee80211vap *vap, const struct ieee80211_key *k) { return 1; } static int null_key_set(struct ieee80211vap *vap, const struct ieee80211_key *k) { return 1; } static void null_key_update(struct ieee80211vap *vap) {} /* * Write-arounds for common operations. */ static __inline void cipher_detach(struct ieee80211_key *key) { key->wk_cipher->ic_detach(key); } static __inline void * cipher_attach(struct ieee80211vap *vap, struct ieee80211_key *key) { return key->wk_cipher->ic_attach(vap, key); } /* * Wrappers for driver key management methods. */ static __inline int dev_key_alloc(struct ieee80211vap *vap, struct ieee80211_key *key, ieee80211_keyix *keyix, ieee80211_keyix *rxkeyix) { return vap->iv_key_alloc(vap, key, keyix, rxkeyix); } static __inline int dev_key_delete(struct ieee80211vap *vap, const struct ieee80211_key *key) { return vap->iv_key_delete(vap, key); } static __inline int dev_key_set(struct ieee80211vap *vap, const struct ieee80211_key *key) { return vap->iv_key_set(vap, key); } /* * Setup crypto support for a device/shared instance. */ void ieee80211_crypto_attach(struct ieee80211com *ic) { /* NB: we assume everything is pre-zero'd */ ciphers[IEEE80211_CIPHER_NONE] = &ieee80211_cipher_none; /* * Default set of net80211 supported ciphers. * * These are the default set that all drivers are expected to * support, either/or in hardware and software. * * Drivers can add their own support to this and the * hardware cipher list (ic_cryptocaps.) */ ic->ic_sw_cryptocaps = IEEE80211_CRYPTO_WEP | IEEE80211_CRYPTO_TKIP | IEEE80211_CRYPTO_AES_CCM; + + /* + * Default set of key management types supported by net80211. + * + * These are supported by software net80211 and announced/ + * driven by hostapd + wpa_supplicant. + * + * Drivers doing full supplicant offload must not set + * anything here. + * + * Note that IEEE80211_C_WPA1 and IEEE80211_C_WPA2 are the + * "old" style way of drivers announcing key management + * capabilities. There are many, many more key management + * suites in 802.11-2016 (see 9.4.2.25.3 - AKM suites.) + * For now they still need to be set - these flags are checked + * when assembling a beacon to reserve space for the WPA + * vendor IE (WPA 1) and RSN IE (WPA 2). + */ + ic->ic_sw_keymgmtcaps = 0; } /* * Teardown crypto support. */ void ieee80211_crypto_detach(struct ieee80211com *ic) { } /* * Set the supported ciphers for software encryption. */ void ieee80211_crypto_set_supported_software_ciphers(struct ieee80211com *ic, uint32_t cipher_set) { ic->ic_sw_cryptocaps = cipher_set; } /* * Set the supported ciphers for hardware encryption. */ void ieee80211_crypto_set_supported_hardware_ciphers(struct ieee80211com *ic, uint32_t cipher_set) { ic->ic_cryptocaps = cipher_set; } +/* + * Set the supported software key management by the driver. + * + * These are the key management suites that are supported via + * the driver via hostapd/wpa_supplicant. + * + * Key management which is completely offloaded (ie, the supplicant + * runs in hardware/firmware) must not be set here. + */ +void +ieee80211_crypto_set_supported_driver_keymgmt(struct ieee80211com *ic, + uint32_t keymgmt_set) +{ + + ic->ic_sw_keymgmtcaps = keymgmt_set; +} /* * Setup crypto support for a vap. */ void ieee80211_crypto_vattach(struct ieee80211vap *vap) { int i; /* NB: we assume everything is pre-zero'd */ vap->iv_max_keyix = IEEE80211_WEP_NKID; vap->iv_def_txkey = IEEE80211_KEYIX_NONE; for (i = 0; i < IEEE80211_WEP_NKID; i++) ieee80211_crypto_resetkey(vap, &vap->iv_nw_keys[i], IEEE80211_KEYIX_NONE); /* * Initialize the driver key support routines to noop entries. * This is useful especially for the cipher test modules. */ vap->iv_key_alloc = null_key_alloc; vap->iv_key_set = null_key_set; vap->iv_key_delete = null_key_delete; vap->iv_key_update_begin = null_key_update; vap->iv_key_update_end = null_key_update; } /* * Teardown crypto support for a vap. */ void ieee80211_crypto_vdetach(struct ieee80211vap *vap) { ieee80211_crypto_delglobalkeys(vap); } /* * Register a crypto cipher module. */ void ieee80211_crypto_register(const struct ieee80211_cipher *cip) { if (cip->ic_cipher >= IEEE80211_CIPHER_MAX) { printf("%s: cipher %s has an invalid cipher index %u\n", __func__, cip->ic_name, cip->ic_cipher); return; } if (ciphers[cip->ic_cipher] != NULL && ciphers[cip->ic_cipher] != cip) { printf("%s: cipher %s registered with a different template\n", __func__, cip->ic_name); return; } ciphers[cip->ic_cipher] = cip; } /* * Unregister a crypto cipher module. */ void ieee80211_crypto_unregister(const struct ieee80211_cipher *cip) { if (cip->ic_cipher >= IEEE80211_CIPHER_MAX) { printf("%s: cipher %s has an invalid cipher index %u\n", __func__, cip->ic_name, cip->ic_cipher); return; } if (ciphers[cip->ic_cipher] != NULL && ciphers[cip->ic_cipher] != cip) { printf("%s: cipher %s registered with a different template\n", __func__, cip->ic_name); return; } /* NB: don't complain about not being registered */ /* XXX disallow if references */ ciphers[cip->ic_cipher] = NULL; } int ieee80211_crypto_available(u_int cipher) { return cipher < IEEE80211_CIPHER_MAX && ciphers[cipher] != NULL; } /* XXX well-known names! */ static const char *cipher_modnames[IEEE80211_CIPHER_MAX] = { [IEEE80211_CIPHER_WEP] = "wlan_wep", [IEEE80211_CIPHER_TKIP] = "wlan_tkip", [IEEE80211_CIPHER_AES_OCB] = "wlan_aes_ocb", [IEEE80211_CIPHER_AES_CCM] = "wlan_ccmp", [IEEE80211_CIPHER_TKIPMIC] = "#4", /* NB: reserved */ [IEEE80211_CIPHER_CKIP] = "wlan_ckip", [IEEE80211_CIPHER_NONE] = "wlan_none", [IEEE80211_CIPHER_AES_CCM_256] = "wlan_ccmp", [IEEE80211_CIPHER_BIP_CMAC_128] = "wlan_bip_cmac", [IEEE80211_CIPHER_BIP_CMAC_256] = "wlan_bip_cmac", [IEEE80211_CIPHER_BIP_GMAC_128] = "wlan_bip_gmac", [IEEE80211_CIPHER_BIP_GMAC_256] = "wlan_bip_gmac", [IEEE80211_CIPHER_AES_GCM_128] = "wlan_gcmp", [IEEE80211_CIPHER_AES_GCM_256] = "wlan_gcmp", }; /* NB: there must be no overlap between user-supplied and device-owned flags */ CTASSERT((IEEE80211_KEY_COMMON & IEEE80211_KEY_DEVICE) == 0); /* * Establish a relationship between the specified key and cipher * and, if necessary, allocate a hardware index from the driver. * Note that when a fixed key index is required it must be specified. * * This must be the first call applied to a key; all the other key * routines assume wk_cipher is setup. * * Locking must be handled by the caller using: * ieee80211_key_update_begin(vap); * ieee80211_key_update_end(vap); */ int ieee80211_crypto_newkey(struct ieee80211vap *vap, int cipher, int flags, struct ieee80211_key *key) { struct ieee80211com *ic = vap->iv_ic; const struct ieee80211_cipher *cip; ieee80211_keyix keyix, rxkeyix; void *keyctx; int oflags; IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO, "%s: cipher %u flags 0x%x keyix %u\n", __func__, cipher, flags, key->wk_keyix); /* * Validate cipher and set reference to cipher routines. */ if (cipher >= IEEE80211_CIPHER_MAX) { IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO, "%s: invalid cipher %u\n", __func__, cipher); vap->iv_stats.is_crypto_badcipher++; return 0; } cip = ciphers[cipher]; if (cip == NULL) { /* * Auto-load cipher module if we have a well-known name * for it. It might be better to use string names rather * than numbers and craft a module name based on the cipher * name; e.g. wlan_cipher_. */ IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO, "%s: unregistered cipher %u, load module %s\n", __func__, cipher, cipher_modnames[cipher]); ieee80211_load_module(cipher_modnames[cipher]); /* * If cipher module loaded it should immediately * call ieee80211_crypto_register which will fill * in the entry in the ciphers array. */ cip = ciphers[cipher]; if (cip == NULL) { IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO, "%s: unable to load cipher %u, module %s\n", __func__, cipher, cipher_modnames[cipher]); vap->iv_stats.is_crypto_nocipher++; return 0; } } oflags = key->wk_flags; flags &= IEEE80211_KEY_COMMON; /* NB: preserve device attributes */ flags |= (oflags & IEEE80211_KEY_DEVICE); /* * If the hardware does not support the cipher then * fallback to a host-based implementation. */ if ((ic->ic_cryptocaps & (1<ic_name); flags |= IEEE80211_KEY_SWCRYPT; } /* * Hardware TKIP with software MIC is an important * combination; we handle it by flagging each key, * the cipher modules honor it. */ if (cipher == IEEE80211_CIPHER_TKIP && (ic->ic_cryptocaps & IEEE80211_CRYPTO_TKIPMIC) == 0) { IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO, "%s: no h/w support for TKIP MIC, falling back to s/w\n", __func__); flags |= IEEE80211_KEY_SWMIC; } /* * Bind cipher to key instance. Note we do this * after checking the device capabilities so the * cipher module can optimize space usage based on * whether or not it needs to do the cipher work. */ if (key->wk_cipher != cip || key->wk_flags != flags) { /* * Fillin the flags so cipher modules can see s/w * crypto requirements and potentially allocate * different state and/or attach different method * pointers. */ key->wk_flags = flags; keyctx = cip->ic_attach(vap, key); if (keyctx == NULL) { IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO, "%s: unable to attach cipher %s\n", __func__, cip->ic_name); key->wk_flags = oflags; /* restore old flags */ vap->iv_stats.is_crypto_attachfail++; return 0; } cipher_detach(key); key->wk_cipher = cip; /* XXX refcnt? */ key->wk_private = keyctx; } /* * Ask the driver for a key index if we don't have one. * Note that entries in the global key table always have * an index; this means it's safe to call this routine * for these entries just to setup the reference to the * cipher template. Note also that when using software * crypto we also call the driver to give us a key index. */ if ((key->wk_flags & IEEE80211_KEY_DEVKEY) == 0) { if (!dev_key_alloc(vap, key, &keyix, &rxkeyix)) { /* * Unable to setup driver state. */ vap->iv_stats.is_crypto_keyfail++; IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO, "%s: unable to setup cipher %s\n", __func__, cip->ic_name); return 0; } if (key->wk_flags != flags) { /* * Driver overrode flags we setup; typically because * resources were unavailable to handle _this_ key. * Re-attach the cipher context to allow cipher * modules to handle differing requirements. */ IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO, "%s: driver override for cipher %s, flags " "0x%x -> 0x%x\n", __func__, cip->ic_name, oflags, key->wk_flags); keyctx = cip->ic_attach(vap, key); if (keyctx == NULL) { IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO, "%s: unable to attach cipher %s with " "flags 0x%x\n", __func__, cip->ic_name, key->wk_flags); key->wk_flags = oflags; /* restore old flags */ vap->iv_stats.is_crypto_attachfail++; return 0; } cipher_detach(key); key->wk_cipher = cip; /* XXX refcnt? */ key->wk_private = keyctx; } key->wk_keyix = keyix; key->wk_rxkeyix = rxkeyix; key->wk_flags |= IEEE80211_KEY_DEVKEY; } return 1; } /* * Remove the key (no locking, for internal use). */ static int _ieee80211_crypto_delkey(struct ieee80211vap *vap, struct ieee80211_key *key) { KASSERT(key->wk_cipher != NULL, ("No cipher!")); IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO, "%s: %s keyix %u flags 0x%x rsc %ju tsc %ju len %u\n", __func__, key->wk_cipher->ic_name, key->wk_keyix, key->wk_flags, key->wk_keyrsc[IEEE80211_NONQOS_TID], key->wk_keytsc, key->wk_keylen); if (key->wk_flags & IEEE80211_KEY_DEVKEY) { /* * Remove hardware entry. */ /* XXX key cache */ if (!dev_key_delete(vap, key)) { IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO, "%s: driver did not delete key index %u\n", __func__, key->wk_keyix); vap->iv_stats.is_crypto_delkey++; /* XXX recovery? */ } } cipher_detach(key); memset(key, 0, sizeof(*key)); ieee80211_crypto_resetkey(vap, key, IEEE80211_KEYIX_NONE); return 1; } /* * Remove the specified key. */ int ieee80211_crypto_delkey(struct ieee80211vap *vap, struct ieee80211_key *key) { int status; ieee80211_key_update_begin(vap); status = _ieee80211_crypto_delkey(vap, key); ieee80211_key_update_end(vap); return status; } /* * Clear the global key table. */ void ieee80211_crypto_delglobalkeys(struct ieee80211vap *vap) { int i; ieee80211_key_update_begin(vap); for (i = 0; i < IEEE80211_WEP_NKID; i++) (void) _ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[i]); ieee80211_key_update_end(vap); } /* * Set the contents of the specified key. * * Locking must be handled by the caller using: * ieee80211_key_update_begin(vap); * ieee80211_key_update_end(vap); */ int ieee80211_crypto_setkey(struct ieee80211vap *vap, struct ieee80211_key *key) { const struct ieee80211_cipher *cip = key->wk_cipher; KASSERT(cip != NULL, ("No cipher!")); IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO, "%s: %s keyix %u flags 0x%x mac %s rsc %ju tsc %ju len %u\n", __func__, cip->ic_name, key->wk_keyix, key->wk_flags, ether_sprintf(key->wk_macaddr), key->wk_keyrsc[IEEE80211_NONQOS_TID], key->wk_keytsc, key->wk_keylen); if ((key->wk_flags & IEEE80211_KEY_DEVKEY) == 0) { /* XXX nothing allocated, should not happen */ IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO, "%s: no device key setup done; should not happen!\n", __func__); vap->iv_stats.is_crypto_setkey_nokey++; return 0; } /* * Give cipher a chance to validate key contents. * XXX should happen before modifying state. */ if (!cip->ic_setkey(key)) { IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO, "%s: cipher %s rejected key index %u len %u flags 0x%x\n", __func__, cip->ic_name, key->wk_keyix, key->wk_keylen, key->wk_flags); vap->iv_stats.is_crypto_setkey_cipher++; return 0; } return dev_key_set(vap, key); } /* * Return index if the key is a WEP key (0..3); -1 otherwise. * * This is different to "get_keyid" which defaults to returning * 0 for unicast keys; it assumes that it won't be used for WEP. */ int ieee80211_crypto_get_key_wepidx(const struct ieee80211vap *vap, const struct ieee80211_key *k) { if (k >= &vap->iv_nw_keys[0] && k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]) return (k - vap->iv_nw_keys); return (-1); } /* * Note: only supports a single unicast key (0). */ uint8_t ieee80211_crypto_get_keyid(struct ieee80211vap *vap, struct ieee80211_key *k) { if (k >= &vap->iv_nw_keys[0] && k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]) return (k - vap->iv_nw_keys); else return (0); } struct ieee80211_key * ieee80211_crypto_get_txkey(struct ieee80211_node *ni, struct mbuf *m) { struct ieee80211vap *vap = ni->ni_vap; struct ieee80211_frame *wh; /* * Multicast traffic always uses the multicast key. * * Historically we would fall back to the default * transmit key if there was no unicast key. This * behaviour was documented up to IEEE Std 802.11-2016, * 12.9.2.2 Per-MSDU/Per-A-MSDU Tx pseudocode, in the * 'else' case but is no longer in later versions of * the standard. Additionally falling back to the * group key for unicast was a security risk. */ wh = mtod(m, struct ieee80211_frame *); if (IEEE80211_IS_MULTICAST(wh->i_addr1)) { if (vap->iv_def_txkey == IEEE80211_KEYIX_NONE) { IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_CRYPTO, wh->i_addr1, "no default transmit key (%s) deftxkey %u", __func__, vap->iv_def_txkey); vap->iv_stats.is_tx_nodefkey++; return NULL; } return &vap->iv_nw_keys[vap->iv_def_txkey]; } if (IEEE80211_KEY_UNDEFINED(&ni->ni_ucastkey)) return NULL; return &ni->ni_ucastkey; } /* * Add privacy headers appropriate for the specified key. */ struct ieee80211_key * ieee80211_crypto_encap(struct ieee80211_node *ni, struct mbuf *m) { struct ieee80211_key *k; const struct ieee80211_cipher *cip; if ((k = ieee80211_crypto_get_txkey(ni, m)) != NULL) { cip = k->wk_cipher; return (cip->ic_encap(k, m) ? k : NULL); } return NULL; } /* * Validate and strip privacy headers (and trailer) for a * received frame that has the WEP/Privacy bit set. */ int ieee80211_crypto_decap(struct ieee80211_node *ni, struct mbuf *m, int hdrlen, struct ieee80211_key **key) { #define IEEE80211_WEP_HDRLEN (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN) #define IEEE80211_WEP_MINLEN \ (sizeof(struct ieee80211_frame) + \ IEEE80211_WEP_HDRLEN + IEEE80211_WEP_CRCLEN) struct ieee80211vap *vap = ni->ni_vap; struct ieee80211_key *k; struct ieee80211_frame *wh; const struct ieee80211_rx_stats *rxs; const struct ieee80211_cipher *cip; uint8_t keyid; /* * Check for hardware decryption and IV stripping. * If the IV is stripped then we definitely can't find a key. * Set the key to NULL but return true; upper layers * will need to handle a NULL key for a successful * decrypt. */ rxs = ieee80211_get_rx_params_ptr(m); if ((rxs != NULL) && (rxs->c_pktflags & IEEE80211_RX_F_DECRYPTED)) { if (rxs->c_pktflags & IEEE80211_RX_F_IV_STRIP) { /* * Hardware decrypted, IV stripped. * We can't find a key with a stripped IV. * Return successful. */ *key = NULL; return (1); } } /* NB: this minimum size data frame could be bigger */ if (m->m_pkthdr.len < IEEE80211_WEP_MINLEN) { IEEE80211_DPRINTF(vap, IEEE80211_MSG_ANY, "%s: WEP data frame too short, len %u\n", __func__, m->m_pkthdr.len); vap->iv_stats.is_rx_tooshort++; /* XXX need unique stat? */ *key = NULL; return (0); } /* * Locate the key. If unicast and there is no unicast * key then we fall back to the key id in the header. * This assumes unicast keys are only configured when * the key id in the header is meaningless (typically 0). */ wh = mtod(m, struct ieee80211_frame *); m_copydata(m, hdrlen + IEEE80211_WEP_IVLEN, sizeof(keyid), &keyid); if (IEEE80211_IS_MULTICAST(wh->i_addr1) || IEEE80211_KEY_UNDEFINED(&ni->ni_ucastkey)) k = &vap->iv_nw_keys[keyid >> 6]; else k = &ni->ni_ucastkey; /* * Insure crypto header is contiguous and long enough for all * decap work. */ cip = k->wk_cipher; if (m->m_len < hdrlen + cip->ic_header) { IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_CRYPTO, wh->i_addr2, "frame is too short (%d < %u) for crypto decap", cip->ic_name, m->m_len, hdrlen + cip->ic_header); vap->iv_stats.is_rx_tooshort++; *key = NULL; return (0); } /* * Attempt decryption. * * If we fail then don't return the key - return NULL * and an error. */ if (cip->ic_decap(k, m, hdrlen)) { /* success */ *key = k; return (1); } /* Failure */ *key = NULL; return (0); #undef IEEE80211_WEP_MINLEN #undef IEEE80211_WEP_HDRLEN } /* * Check and remove any MIC. */ int ieee80211_crypto_demic(struct ieee80211vap *vap, struct ieee80211_key *k, struct mbuf *m, int force) { const struct ieee80211_cipher *cip; const struct ieee80211_rx_stats *rxs; struct ieee80211_frame *wh; rxs = ieee80211_get_rx_params_ptr(m); wh = mtod(m, struct ieee80211_frame *); /* * Handle demic / mic errors from hardware-decrypted offload devices. */ if ((rxs != NULL) && (rxs->c_pktflags & IEEE80211_RX_F_DECRYPTED)) { if (rxs->c_pktflags & IEEE80211_RX_F_FAIL_MIC) { /* * Hardware has said MIC failed. We don't care about * whether it was stripped or not. * * Eventually - teach the demic methods in crypto * modules to handle a NULL key and not to dereference * it. */ ieee80211_notify_michael_failure(vap, wh, -1); return (0); } if (rxs->c_pktflags & IEEE80211_RX_F_MMIC_STRIP) { /* * Hardware has decrypted and not indicated a * MIC failure and has stripped the MIC. * We may not have a key, so for now just * return OK. */ return (1); } } /* * If we don't have a key at this point then we don't * have to demic anything. */ if (k == NULL) return (1); cip = k->wk_cipher; return (cip->ic_miclen > 0 ? cip->ic_demic(k, m, force) : 1); } static void load_ucastkey(void *arg, struct ieee80211_node *ni) { struct ieee80211vap *vap = ni->ni_vap; struct ieee80211_key *k; if (vap->iv_state != IEEE80211_S_RUN) return; k = &ni->ni_ucastkey; if (k->wk_flags & IEEE80211_KEY_DEVKEY) dev_key_set(vap, k); } /* * Re-load all keys known to the 802.11 layer that may * have hardware state backing them. This is used by * drivers on resume to push keys down into the device. */ void ieee80211_crypto_reload_keys(struct ieee80211com *ic) { struct ieee80211vap *vap; int i; /* * Keys in the global key table of each vap. */ /* NB: used only during resume so don't lock for now */ TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { if (vap->iv_state != IEEE80211_S_RUN) continue; for (i = 0; i < IEEE80211_WEP_NKID; i++) { const struct ieee80211_key *k = &vap->iv_nw_keys[i]; if (k->wk_flags & IEEE80211_KEY_DEVKEY) dev_key_set(vap, k); } } /* * Unicast keys. */ ieee80211_iterate_nodes(&ic->ic_sta, load_ucastkey, NULL); } /* * Set the default key index for WEP, or KEYIX_NONE for no default TX key. * * This should be done as part of a key update block (iv_key_update_begin / * iv_key_update_end.) */ void ieee80211_crypto_set_deftxkey(struct ieee80211vap *vap, ieee80211_keyix kid) { /* XXX TODO: assert we're in a key update block */ vap->iv_update_deftxkey(vap, kid); } diff --git a/sys/net80211/ieee80211_crypto.h b/sys/net80211/ieee80211_crypto.h index e09b822289d7..b69df0cff3bd 100644 --- a/sys/net80211/ieee80211_crypto.h +++ b/sys/net80211/ieee80211_crypto.h @@ -1,276 +1,278 @@ /*- * SPDX-License-Identifier: BSD-2-Clause * * Copyright (c) 2001 Atsushi Onoe * Copyright (c) 2002-2008 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. */ #ifndef _NET80211_IEEE80211_CRYPTO_H_ #define _NET80211_IEEE80211_CRYPTO_H_ /* * 802.11 protocol crypto-related definitions. */ #define IEEE80211_KEYBUF_SIZE 16 #define IEEE80211_MICBUF_SIZE (8+8) /* space for both tx+rx keys */ /* * Old WEP-style key. Deprecated. */ struct ieee80211_wepkey { u_int wk_len; /* key length in bytes */ uint8_t wk_key[IEEE80211_KEYBUF_SIZE]; }; struct ieee80211_rsnparms { uint8_t rsn_mcastcipher; /* mcast/group cipher */ uint8_t rsn_mcastkeylen; /* mcast key length */ uint8_t rsn_ucastcipher; /* selected unicast cipher */ uint8_t rsn_ucastkeylen; /* unicast key length */ uint8_t rsn_keymgmt; /* selected key mgmt algo */ uint16_t rsn_caps; /* capabilities */ }; struct ieee80211_cipher; /* * Crypto key state. There is sufficient room for all supported * ciphers (see below). The underlying ciphers are handled * separately through loadable cipher modules that register with * the generic crypto support. A key has a reference to an instance * of the cipher; any per-key state is hung off wk_private by the * cipher when it is attached. Ciphers are automatically called * to detach and cleanup any such state when the key is deleted. * * The generic crypto support handles encap/decap of cipher-related * frame contents for both hardware- and software-based implementations. * A key requiring software crypto support is automatically flagged and * the cipher is expected to honor this and do the necessary work. * Ciphers such as TKIP may also support mixed hardware/software * encrypt/decrypt and MIC processing. */ typedef uint16_t ieee80211_keyix; /* h/w key index */ struct ieee80211_key { uint8_t wk_keylen; /* key length in bytes */ uint8_t wk_pad; /* .. some drivers use this. Fix that. */ uint8_t wk_pad1[2]; uint32_t wk_flags; #define IEEE80211_KEY_XMIT 0x00000001 /* key used for xmit */ #define IEEE80211_KEY_RECV 0x00000002 /* key used for recv */ #define IEEE80211_KEY_GROUP 0x00000004 /* key used for WPA group operation */ #define IEEE80211_KEY_NOREPLAY 0x00000008 /* ignore replay failures */ #define IEEE80211_KEY_SWENCRYPT 0x00000010 /* host-based encrypt */ #define IEEE80211_KEY_SWDECRYPT 0x00000020 /* host-based decrypt */ #define IEEE80211_KEY_SWENMIC 0x00000040 /* host-based enmic */ #define IEEE80211_KEY_SWDEMIC 0x00000080 /* host-based demic */ #define IEEE80211_KEY_DEVKEY 0x00000100 /* device key request completed */ #define IEEE80211_KEY_CIPHER0 0x00001000 /* cipher-specific action 0 */ #define IEEE80211_KEY_CIPHER1 0x00002000 /* cipher-specific action 1 */ #define IEEE80211_KEY_NOIV 0x00004000 /* don't insert IV/MIC for !mgmt */ #define IEEE80211_KEY_NOIVMGT 0x00008000 /* don't insert IV/MIC for mgmt */ #define IEEE80211_KEY_NOMIC 0x00010000 /* don't insert MIC for !mgmt */ #define IEEE80211_KEY_NOMICMGT 0x00020000 /* don't insert MIC for mgmt */ ieee80211_keyix wk_keyix; /* h/w key index */ ieee80211_keyix wk_rxkeyix; /* optional h/w rx key index */ uint8_t wk_key[IEEE80211_KEYBUF_SIZE+IEEE80211_MICBUF_SIZE]; #define wk_txmic wk_key+IEEE80211_KEYBUF_SIZE+0 /* XXX can't () right */ #define wk_rxmic wk_key+IEEE80211_KEYBUF_SIZE+8 /* XXX can't () right */ /* key receive sequence counter */ uint64_t wk_keyrsc[IEEE80211_TID_SIZE]; uint64_t wk_keytsc; /* key transmit sequence counter */ const struct ieee80211_cipher *wk_cipher; void *wk_private; /* private cipher state */ uint8_t wk_macaddr[IEEE80211_ADDR_LEN]; }; #define IEEE80211_KEY_COMMON /* common flags passed in by apps */\ (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV | IEEE80211_KEY_GROUP | \ IEEE80211_KEY_NOREPLAY) #define IEEE80211_KEY_SWCRYPT \ (IEEE80211_KEY_SWENCRYPT | IEEE80211_KEY_SWDECRYPT) #define IEEE80211_KEY_SWMIC (IEEE80211_KEY_SWENMIC | IEEE80211_KEY_SWDEMIC) #define IEEE80211_KEY_DEVICE /* flags owned by device driver */\ (IEEE80211_KEY_DEVKEY|IEEE80211_KEY_CIPHER0|IEEE80211_KEY_CIPHER1| \ IEEE80211_KEY_SWCRYPT|IEEE80211_KEY_SWMIC|IEEE80211_KEY_NOIV | \ IEEE80211_KEY_NOIVMGT|IEEE80211_KEY_NOMIC|IEEE80211_KEY_NOMICMGT) #define IEEE80211_KEY_BITS \ "\20\1XMIT\2RECV\3GROUP\4SWENCRYPT\5SWDECRYPT\6SWENMIC\7SWDEMIC" \ "\10DEVKEY\11CIPHER0\12CIPHER1" #define IEEE80211_KEYIX_NONE ((ieee80211_keyix) -1) /* * NB: these values are ordered carefully; there are lots of * of implications in any reordering. Beware that 4 is used * only to indicate h/w TKIP MIC support in driver capabilities; * there is no separate cipher support (it's rolled into the * TKIP cipher support). */ #define IEEE80211_CIPHER_WEP 0 #define IEEE80211_CIPHER_TKIP 1 #define IEEE80211_CIPHER_AES_OCB 2 #define IEEE80211_CIPHER_AES_CCM 3 #define IEEE80211_CIPHER_TKIPMIC 4 /* TKIP MIC capability */ #define IEEE80211_CIPHER_CKIP 5 #define IEEE80211_CIPHER_NONE 6 /* pseudo value */ #define IEEE80211_CIPHER_AES_CCM_256 7 #define IEEE80211_CIPHER_BIP_CMAC_128 8 #define IEEE80211_CIPHER_BIP_CMAC_256 9 #define IEEE80211_CIPHER_BIP_GMAC_128 10 #define IEEE80211_CIPHER_BIP_GMAC_256 11 #define IEEE80211_CIPHER_AES_GCM_128 12 #define IEEE80211_CIPHER_AES_GCM_256 13 #define IEEE80211_CIPHER_LAST 13 #define IEEE80211_CIPHER_MAX (IEEE80211_CIPHER_LAST+1) /* capability bits in ic_cryptocaps/iv_cryptocaps */ #define IEEE80211_CRYPTO_WEP (1<wk_cipher == &ieee80211_cipher_none) void ieee80211_crypto_register(const struct ieee80211_cipher *); void ieee80211_crypto_unregister(const struct ieee80211_cipher *); int ieee80211_crypto_available(u_int cipher); int ieee80211_crypto_get_key_wepidx(const struct ieee80211vap *, const struct ieee80211_key *k); uint8_t ieee80211_crypto_get_keyid(struct ieee80211vap *vap, struct ieee80211_key *k); struct ieee80211_key *ieee80211_crypto_get_txkey(struct ieee80211_node *, struct mbuf *); struct ieee80211_key *ieee80211_crypto_encap(struct ieee80211_node *, struct mbuf *); int ieee80211_crypto_decap(struct ieee80211_node *, struct mbuf *, int, struct ieee80211_key **); int ieee80211_crypto_demic(struct ieee80211vap *vap, struct ieee80211_key *k, struct mbuf *, int); /* * Add any MIC. */ static __inline int ieee80211_crypto_enmic(struct ieee80211vap *vap, struct ieee80211_key *k, struct mbuf *m, int force) { const struct ieee80211_cipher *cip = k->wk_cipher; return (cip->ic_miclen > 0 ? cip->ic_enmic(k, m, force) : 1); } /* * Reset key state to an unused state. The crypto * key allocation mechanism insures other state (e.g. * key data) is properly setup before a key is used. */ static __inline void ieee80211_crypto_resetkey(struct ieee80211vap *vap, struct ieee80211_key *k, ieee80211_keyix ix) { k->wk_cipher = &ieee80211_cipher_none; k->wk_private = k->wk_cipher->ic_attach(vap, k); k->wk_keyix = k->wk_rxkeyix = ix; k->wk_flags = IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV; } /* * Crypt-related notification methods. */ void ieee80211_notify_replay_failure(struct ieee80211vap *, const struct ieee80211_frame *, const struct ieee80211_key *, uint64_t rsc, int tid); void ieee80211_notify_michael_failure(struct ieee80211vap *, const struct ieee80211_frame *, u_int keyix); #endif /* defined(__KERNEL__) || defined(_KERNEL) */ #endif /* _NET80211_IEEE80211_CRYPTO_H_ */ diff --git a/sys/net80211/ieee80211_var.h b/sys/net80211/ieee80211_var.h index 21fdff0b88a3..9273b43a5823 100644 --- a/sys/net80211/ieee80211_var.h +++ b/sys/net80211/ieee80211_var.h @@ -1,1117 +1,1121 @@ /*- * SPDX-License-Identifier: BSD-2-Clause * * 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. */ #ifndef _NET80211_IEEE80211_VAR_H_ #define _NET80211_IEEE80211_VAR_H_ /* * Definitions for IEEE 802.11 drivers. */ /* NB: portability glue must go first */ #if defined(__NetBSD__) #include #elif defined(__FreeBSD__) #include #elif defined(__linux__) #include #else #error "No support for your operating system!" #endif #include #include #include #include #include #include /* for ieee80211_stats */ #include #include #include #include #include #include #define IEEE80211_TXPOWER_MAX 100 /* .5 dBm (XXX units?) */ #define IEEE80211_TXPOWER_MIN 0 /* kill radio */ #define IEEE80211_DTIM_DEFAULT 1 /* default DTIM period */ #define IEEE80211_BINTVAL_DEFAULT 100 /* default beacon interval (TU's) */ #define IEEE80211_BMISS_MAX 2 /* maximum consecutive bmiss allowed */ #define IEEE80211_HWBMISS_DEFAULT 7 /* h/w bmiss threshold (beacons) */ #define IEEE80211_BGSCAN_INTVAL_MIN 15 /* min bg scan intvl (secs) */ #define IEEE80211_BGSCAN_INTVAL_DEFAULT (5*60) /* default bg scan intvl */ #define IEEE80211_BGSCAN_IDLE_MIN 100 /* min idle time (ms) */ #define IEEE80211_BGSCAN_IDLE_DEFAULT 250 /* default idle time (ms) */ #define IEEE80211_SCAN_VALID_MIN 10 /* min scan valid time (secs) */ #define IEEE80211_SCAN_VALID_DEFAULT 60 /* default scan valid time */ #define IEEE80211_PS_SLEEP 0x1 /* STA is in power saving mode */ #define IEEE80211_PS_MAX_QUEUE 50 /* maximum saved packets */ #define IEEE80211_FIXED_RATE_NONE 0xff #define IEEE80211_TXMAX_DEFAULT 6 /* default ucast max retries */ #define IEEE80211_RTS_DEFAULT IEEE80211_RTS_MAX #define IEEE80211_FRAG_DEFAULT IEEE80211_FRAG_MAX #define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024) #define IEEE80211_TU_TO_MS(x) (((x) * 1024) / 1000) /* XXX TODO: cap this at 1, in case hz is not 1000 */ #define IEEE80211_TU_TO_TICKS(x)(((uint64_t)(x) * 1024 * hz) / (1000 * 1000)) /* * Technically, vhtflags may be 0 /and/ 11ac is enabled. * At some point ic should just grow a flag somewhere that * says that VHT is supported - and then this macro can be * changed. */ #define IEEE80211_CONF_VHT(ic) \ ((ic)->ic_flags_ext & IEEE80211_FEXT_VHT) #define IEEE80211_CONF_SEQNO_OFFLOAD(ic) \ ((ic)->ic_flags_ext & IEEE80211_FEXT_SEQNO_OFFLOAD) #define IEEE80211_CONF_FRAG_OFFLOAD(ic) \ ((ic)->ic_flags_ext & IEEE80211_FEXT_FRAG_OFFLOAD) /* * 802.11 control state is split into a common portion that maps * 1-1 to a physical device and one or more "Virtual AP's" (VAP) * that are bound to an ieee80211com instance and share a single * underlying device. Each VAP has a corresponding OS device * entity through which traffic flows and that applications use * for issuing ioctls, etc. */ /* * Data common to one or more virtual AP's. State shared by * the underlying device and the net80211 layer is exposed here; * e.g. device-specific callbacks. */ struct ieee80211vap; typedef void (*ieee80211vap_attach)(struct ieee80211vap *); struct ieee80211_appie { uint16_t ie_len; /* size of ie_data */ uint8_t ie_data[]; /* user-specified IE's */ }; struct ieee80211_tdma_param; struct ieee80211_rate_table; struct ieee80211_tx_ampdu; struct ieee80211_rx_ampdu; struct ieee80211_superg; struct ieee80211_frame; struct net80211dump_methods; struct ieee80211com { void *ic_softc; /* driver softc */ const char *ic_name; /* usually device name */ ieee80211_com_lock_t ic_comlock; /* state update lock */ ieee80211_tx_lock_t ic_txlock; /* ic/vap TX lock */ ieee80211_ff_lock_t ic_fflock; /* stageq/ni_tx_superg lock */ LIST_ENTRY(ieee80211com) ic_next; /* on global list */ TAILQ_HEAD(, ieee80211vap) ic_vaps; /* list of vap instances */ int ic_headroom; /* driver tx headroom needs */ enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */ enum ieee80211_opmode ic_opmode; /* operation mode */ struct callout ic_inact; /* inactivity processing */ struct taskqueue *ic_tq; /* deferred state thread */ struct task ic_parent_task; /* deferred parent processing */ struct task ic_promisc_task;/* deferred promisc update */ struct task ic_mcast_task; /* deferred mcast update */ struct task ic_chan_task; /* deferred channel change */ struct task ic_bmiss_task; /* deferred beacon miss hndlr */ struct task ic_chw_task; /* deferred HT CHW update */ struct task ic_restart_task; /* deferred device restart */ counter_u64_t ic_ierrors; /* input errors */ counter_u64_t ic_oerrors; /* output errors */ uint32_t ic_flags; /* state flags */ uint32_t ic_flags_ext; /* extended state flags */ uint32_t ic_flags_ht; /* HT state flags */ uint32_t ic_flags_ven; /* vendor state flags */ uint32_t ic_caps; /* capabilities */ uint32_t ic_htcaps; /* HT capabilities */ uint32_t ic_htextcaps; /* HT extended capabilities */ /* driver-supported software crypto caps */ uint32_t ic_sw_cryptocaps; uint32_t ic_cryptocaps; /* hardware crypto caps */ /* set of mode capabilities */ + /* driver/net80211 sw KEYMGMT capabilities */ + uint32_t ic_sw_keymgmtcaps; uint8_t ic_modecaps[IEEE80211_MODE_BYTES]; uint8_t ic_promisc; /* vap's needing promisc mode */ uint8_t ic_allmulti; /* vap's needing all multicast*/ uint8_t ic_nrunning; /* vap's marked running */ uint8_t ic_curmode; /* current mode */ uint8_t ic_macaddr[IEEE80211_ADDR_LEN]; uint16_t ic_bintval; /* beacon interval */ uint16_t ic_lintval; /* listen interval */ uint16_t ic_holdover; /* PM hold over duration */ uint16_t ic_txpowlimit; /* global tx power limit */ struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX]; struct ieee80211_htrateset ic_sup_htrates; /* * Channel state: * * ic_channels is the set of available channels for the device; * it is setup by the driver * ic_nchans is the number of valid entries in ic_channels * ic_chan_avail is a bit vector of these channels used to check * whether a channel is available w/o searching the channel table. * ic_chan_active is a (potentially) constrained subset of * ic_chan_avail that reflects any mode setting or user-specified * limit on the set of channels to use/scan * ic_curchan is the current channel the device is set to; it may * be different from ic_bsschan when we are off-channel scanning * or otherwise doing background work * ic_bsschan is the channel selected for operation; it may * be undefined (IEEE80211_CHAN_ANYC) * ic_prevchan is a cached ``previous channel'' used to optimize * lookups when switching back+forth between two channels * (e.g. for dynamic turbo) */ int ic_nchans; /* # entries in ic_channels */ struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX]; uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES]; uint8_t ic_chan_active[IEEE80211_CHAN_BYTES]; uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES]; struct ieee80211_channel *ic_curchan; /* current channel */ const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */ struct ieee80211_channel *ic_bsschan; /* bss channel */ struct ieee80211_channel *ic_prevchan; /* previous channel */ struct ieee80211_regdomain ic_regdomain;/* regulatory data */ struct ieee80211_appie *ic_countryie; /* calculated country ie */ struct ieee80211_channel *ic_countryie_chan; /* 802.11h/DFS state */ struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */ short ic_csa_mode; /* mode for doing CSA */ short ic_csa_count; /* count for doing CSA */ struct ieee80211_dfs_state ic_dfs; /* DFS state */ struct ieee80211_scan_state *ic_scan; /* scan state */ struct ieee80211_scan_methods *ic_scan_methods; /* scan methods */ int ic_lastdata; /* time of last data frame */ int ic_lastscan; /* time last scan completed */ /* NB: this is the union of all vap stations/neighbors */ int ic_max_keyix; /* max h/w key index */ struct ieee80211_node_table ic_sta; /* stations/neighbors */ struct ieee80211_ageq ic_stageq; /* frame staging queue */ uint32_t ic_hash_key; /* random key for mac hash */ /* XXX multi-bss: split out common/vap parts */ struct ieee80211_wme_state ic_wme; /* WME/WMM state */ /* Protection mode for net80211 driven channel NICs */ enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */ enum ieee80211_protmode ic_htprotmode; /* HT protection mode */ uint8_t ic_curhtprotmode;/* HTINFO bss state */ uint8_t ic_rxstream; /* # RX streams */ uint8_t ic_txstream; /* # TX streams */ /* VHT information */ uint32_t ic_vht_flags; /* VHT state flags */ struct ieee80211_vht_cap ic_vht_cap; /* VHT capabilities + MCS info */ uint32_t ic_vhtextcaps; /* VHT extended capabilities (TODO) */ uint32_t ic_vht_spare[3]; /* optional state for Atheros SuperG protocol extensions */ struct ieee80211_superg *ic_superg; /* radiotap handling */ struct ieee80211_radiotap_header *ic_th;/* tx radiotap headers */ void *ic_txchan; /* channel state in ic_th */ struct ieee80211_radiotap_header *ic_rh;/* rx radiotap headers */ void *ic_rxchan; /* channel state in ic_rh */ int ic_montaps; /* active monitor mode taps */ /* virtual ap create/delete */ struct ieee80211vap* (*ic_vap_create)(struct ieee80211com *, const char [IFNAMSIZ], int, enum ieee80211_opmode, int, const uint8_t [IEEE80211_ADDR_LEN], const uint8_t [IEEE80211_ADDR_LEN]); void (*ic_vap_delete)(struct ieee80211vap *); /* device specific ioctls */ int (*ic_ioctl)(struct ieee80211com *, u_long, void *); /* start/stop device */ void (*ic_parent)(struct ieee80211com *); /* operating mode attachment */ ieee80211vap_attach ic_vattach[IEEE80211_OPMODE_MAX]; /* return hardware/radio capabilities */ void (*ic_getradiocaps)(struct ieee80211com *, int, int *, struct ieee80211_channel []); /* check and/or prepare regdomain state change */ int (*ic_setregdomain)(struct ieee80211com *, struct ieee80211_regdomain *, int, struct ieee80211_channel []); int (*ic_set_quiet)(struct ieee80211_node *, u_int8_t *quiet_elm); /* regular transmit */ int (*ic_transmit)(struct ieee80211com *, struct mbuf *); /* send/recv 802.11 management frame */ int (*ic_send_mgmt)(struct ieee80211_node *, int, int); /* send raw 802.11 frame */ int (*ic_raw_xmit)(struct ieee80211_node *, struct mbuf *, const struct ieee80211_bpf_params *); /* update device state for 802.11 slot time change */ void (*ic_updateslot)(struct ieee80211com *); /* handle multicast state changes */ void (*ic_update_mcast)(struct ieee80211com *); /* handle promiscuous mode changes */ void (*ic_update_promisc)(struct ieee80211com *); /* new station association callback/notification */ void (*ic_newassoc)(struct ieee80211_node *, int); /* TDMA update notification */ void (*ic_tdma_update)(struct ieee80211_node *, const struct ieee80211_tdma_param *, int); /* Node state management */ /* Allocate a new node */ struct ieee80211_node* (*ic_node_alloc)(struct ieee80211vap *, const uint8_t [IEEE80211_ADDR_LEN]); /* Driver node initialisation after net80211 setup */ int (*ic_node_init)(struct ieee80211_node *); /* Driver node deallocation */ void (*ic_node_free)(struct ieee80211_node *); /* Driver node state cleanup before deallocation */ void (*ic_node_cleanup)(struct ieee80211_node *); void (*ic_node_age)(struct ieee80211_node *); void (*ic_node_drain)(struct ieee80211_node *); int8_t (*ic_node_getrssi)(const struct ieee80211_node*); void (*ic_node_getsignal)(const struct ieee80211_node*, int8_t *, int8_t *); void (*ic_node_getmimoinfo)( const struct ieee80211_node*, struct ieee80211_mimo_info *); /* scanning support */ void (*ic_scan_start)(struct ieee80211com *); void (*ic_scan_end)(struct ieee80211com *); void (*ic_set_channel)(struct ieee80211com *); void (*ic_scan_curchan)(struct ieee80211_scan_state *, unsigned long); void (*ic_scan_mindwell)(struct ieee80211_scan_state *); /* * 802.11n ADDBA support. A simple/generic implementation * of A-MPDU tx aggregation is provided; the driver may * override these methods to provide their own support. * A-MPDU rx re-ordering happens automatically if the * driver passes out-of-order frames to ieee80211_input * from an assocated HT station. */ int (*ic_recv_action)(struct ieee80211_node *, const struct ieee80211_frame *, const uint8_t *frm, const uint8_t *efrm); int (*ic_send_action)(struct ieee80211_node *, int category, int action, void *); /* check if A-MPDU should be enabled this station+ac */ int (*ic_ampdu_enable)(struct ieee80211_node *, struct ieee80211_tx_ampdu *); /* start/stop doing A-MPDU tx aggregation for a station */ int (*ic_addba_request)(struct ieee80211_node *, struct ieee80211_tx_ampdu *, int dialogtoken, int baparamset, int batimeout); int (*ic_addba_response)(struct ieee80211_node *, struct ieee80211_tx_ampdu *, int status, int baparamset, int batimeout); void (*ic_addba_stop)(struct ieee80211_node *, struct ieee80211_tx_ampdu *); void (*ic_addba_response_timeout)(struct ieee80211_node *, struct ieee80211_tx_ampdu *); /* BAR response received */ void (*ic_bar_response)(struct ieee80211_node *, struct ieee80211_tx_ampdu *, int status); /* start/stop doing A-MPDU rx processing for a station */ int (*ic_ampdu_rx_start)(struct ieee80211_node *, struct ieee80211_rx_ampdu *, int baparamset, int batimeout, int baseqctl); void (*ic_ampdu_rx_stop)(struct ieee80211_node *, struct ieee80211_rx_ampdu *); /* The channel width has changed (20<->2040) */ void (*ic_update_chw)(struct ieee80211com *); const struct debugnet80211_methods *ic_debugnet_meth; uint64_t ic_spare[7]; }; struct ieee80211_aclator; struct ieee80211_tdma_state; struct ieee80211_mesh_state; struct ieee80211_hwmp_state; struct ieee80211_rx_histogram; struct ieee80211_tx_histogram; struct ieee80211vap { struct ifmedia iv_media; /* interface media config */ struct ifnet *iv_ifp; /* associated device */ struct bpf_if *iv_rawbpf; /* packet filter structure */ struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */ struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */ TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */ struct ieee80211com *iv_ic; /* back ptr to common state */ /* MAC address: ifp or ic */ uint8_t iv_myaddr[IEEE80211_ADDR_LEN]; uint32_t iv_debug; /* debug msg flags */ struct ieee80211_stats iv_stats; /* statistics */ uint32_t iv_flags; /* state flags */ uint32_t iv_flags_ext; /* extended state flags */ uint32_t iv_flags_ht; /* HT state flags */ uint32_t iv_flags_ven; /* vendor state flags */ uint32_t iv_ifflags; /* ifnet flags */ uint32_t iv_caps; /* capabilities */ uint32_t iv_htcaps; /* HT capabilities */ uint32_t iv_htextcaps; /* HT extended capabilities */ uint32_t iv_com_state; /* com usage / detached flag */ enum ieee80211_opmode iv_opmode; /* operation mode */ enum ieee80211_state iv_state; /* state machine state */ /* Deferred state processing. */ enum ieee80211_state iv_nstate; /* next pending state (historic) */ #define NET80211_IV_NSTATE_NUM 8 int iv_nstate_b; /* First filled slot. */ int iv_nstate_n; /* # of filled slots. */ enum ieee80211_state iv_nstates[NET80211_IV_NSTATE_NUM]; /* queued pending state(s) */ int iv_nstate_args[NET80211_IV_NSTATE_NUM]; /* queued pending state(s) arg */ struct task iv_nstate_task[NET80211_IV_NSTATE_NUM]; struct task iv_swbmiss_task;/* deferred iv_bmiss call */ struct callout iv_mgtsend; /* mgmt frame response timer */ /* inactivity timer settings */ int iv_inact_init; /* setting for new station */ int iv_inact_auth; /* auth but not assoc setting */ int iv_inact_run; /* authorized setting */ int iv_inact_probe; /* inactive probe time */ /* VHT flags */ uint32_t iv_vht_flags; /* VHT state flags */ struct ieee80211_vht_cap iv_vht_cap; /* VHT capabilities + MCS info */ uint32_t iv_vhtextcaps; /* VHT extended capabilities (TODO) */ uint32_t iv_vht_spare[4]; int iv_des_nssid; /* # desired ssids */ struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */ uint8_t iv_des_bssid[IEEE80211_ADDR_LEN]; struct ieee80211_channel *iv_des_chan; /* desired channel */ uint16_t iv_des_mode; /* desired mode */ int iv_nicknamelen; /* XXX junk */ uint8_t iv_nickname[IEEE80211_NWID_LEN]; u_int iv_bgscanidle; /* bg scan idle threshold */ u_int iv_bgscanintvl; /* bg scan min interval */ u_int iv_scanvalid; /* scan cache valid threshold */ u_int iv_scanreq_duration; u_int iv_scanreq_mindwell; u_int iv_scanreq_maxdwell; uint16_t iv_scanreq_flags;/* held scan request params */ uint8_t iv_scanreq_nssid; struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID]; /* sta-mode roaming state */ enum ieee80211_roamingmode iv_roaming; /* roaming mode */ struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX]; uint8_t iv_bmissthreshold; uint8_t iv_bmiss_count; /* current beacon miss count */ int iv_bmiss_max; /* max bmiss before scan */ uint16_t iv_swbmiss_count;/* beacons in last period */ uint16_t iv_swbmiss_period;/* s/w bmiss period */ struct callout iv_swbmiss; /* s/w beacon miss timer */ int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */ int iv_ampdu_density;/* A-MPDU density */ int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */ int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */ u_int iv_ampdu_mintraffic[WME_NUM_AC]; struct ieee80211_beacon_offsets iv_bcn_off; uint32_t *iv_aid_bitmap; /* association id map */ uint16_t iv_max_aid; uint16_t iv_sta_assoc; /* stations associated */ uint16_t iv_ps_sta; /* stations in power save */ uint16_t iv_ps_pending; /* ps sta's w/ pending frames */ uint16_t iv_txseq; /* mcast xmit seq# space */ uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */ uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/ uint8_t iv_dtim_period; /* DTIM period */ uint8_t iv_dtim_count; /* DTIM count from last bcn */ /* set/unset aid pwrsav state */ uint8_t iv_quiet; /* Quiet Element */ uint8_t iv_quiet_count; /* constant count for Quiet Element */ uint8_t iv_quiet_count_value; /* variable count for Quiet Element */ uint8_t iv_quiet_period; /* period for Quiet Element */ uint16_t iv_quiet_duration; /* duration for Quiet Element */ uint16_t iv_quiet_offset; /* offset for Quiet Element */ int iv_csa_count; /* count for doing CSA */ struct ieee80211_node *iv_bss; /* information for this node */ struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX]; uint16_t iv_rtsthreshold; uint16_t iv_fragthreshold; int iv_inact_timer; /* inactivity timer wait */ /* application-specified IE's to attach to mgt frames */ struct ieee80211_appie *iv_appie_beacon; struct ieee80211_appie *iv_appie_probereq; struct ieee80211_appie *iv_appie_proberesp; struct ieee80211_appie *iv_appie_assocreq; struct ieee80211_appie *iv_appie_assocresp; struct ieee80211_appie *iv_appie_wpa; uint8_t *iv_wpa_ie; uint8_t *iv_rsn_ie; /* Key management */ uint16_t iv_max_keyix; /* max h/w key index */ ieee80211_keyix iv_def_txkey; /* default/group tx key index */ struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID]; int (*iv_key_alloc)(struct ieee80211vap *, struct ieee80211_key *, ieee80211_keyix *, ieee80211_keyix *); int (*iv_key_delete)(struct ieee80211vap *, const struct ieee80211_key *); int (*iv_key_set)(struct ieee80211vap *, const struct ieee80211_key *); void (*iv_key_update_begin)(struct ieee80211vap *); void (*iv_key_update_end)(struct ieee80211vap *); void (*iv_update_deftxkey)(struct ieee80211vap *, ieee80211_keyix deftxkey); const struct ieee80211_authenticator *iv_auth; /* authenticator glue */ void *iv_ec; /* private auth state */ const struct ieee80211_aclator *iv_acl; /* acl glue */ void *iv_as; /* private aclator state */ const struct ieee80211_ratectl *iv_rate; void *iv_rs; /* private ratectl state */ struct ieee80211_tdma_state *iv_tdma; /* tdma state */ struct ieee80211_mesh_state *iv_mesh; /* MBSS state */ struct ieee80211_hwmp_state *iv_hwmp; /* HWMP state */ /* operate-mode detach hook */ void (*iv_opdetach)(struct ieee80211vap *); /* receive processing */ int (*iv_input)(struct ieee80211_node *, struct mbuf *, const struct ieee80211_rx_stats *, int, int); void (*iv_recv_mgmt)(struct ieee80211_node *, struct mbuf *, int, const struct ieee80211_rx_stats *, int, int); void (*iv_recv_ctl)(struct ieee80211_node *, struct mbuf *, int); void (*iv_deliver_data)(struct ieee80211vap *, struct ieee80211_node *, struct mbuf *); #if 0 /* send processing */ int (*iv_send_mgmt)(struct ieee80211_node *, int, int); #endif /* beacon miss processing */ void (*iv_bmiss)(struct ieee80211vap *); /* reset device state after 802.11 parameter/state change */ int (*iv_reset)(struct ieee80211vap *, u_long); /* [schedule] beacon frame update */ void (*iv_update_beacon)(struct ieee80211vap *, int); /* power save handling */ void (*iv_update_ps)(struct ieee80211vap *, int); int (*iv_set_tim)(struct ieee80211_node *, int); void (*iv_node_ps)(struct ieee80211_node *, int); void (*iv_sta_ps)(struct ieee80211vap *, int); void (*iv_recv_pspoll)(struct ieee80211_node *, struct mbuf *); /* state machine processing */ int (*iv_newstate)(struct ieee80211vap *, enum ieee80211_state, int); struct ieee80211_node * (*iv_update_bss)(struct ieee80211vap *, struct ieee80211_node *); /* 802.3 output method for raw frame xmit */ int (*iv_output)(struct ifnet *, struct mbuf *, const struct sockaddr *, struct route *); int (*iv_wme_update)(struct ieee80211vap *, const struct wmeParams *wme_params); struct task iv_wme_task; /* deferred VAP WME update */ /* associated state; protection mode */ enum ieee80211_protmode iv_protmode; /* 802.11g protection mode */ enum ieee80211_protmode iv_htprotmode; /* HT protection mode */ uint8_t iv_curhtprotmode;/* HTINFO bss state */ uint16_t iv_nonerpsta; /* # non-ERP stations */ uint16_t iv_longslotsta; /* # long slot time stations */ uint16_t iv_ht_sta_assoc;/* HT stations associated */ uint16_t iv_ht40_sta_assoc;/* HT40 stations associated */ int iv_lastnonerp; /* last time non-ERP sta noted*/ int iv_lastnonht; /* last time non-HT sta noted */ /* update device state for 802.11 slot time change */ void (*iv_updateslot)(struct ieee80211vap *); struct task iv_slot_task; /* deferred slot time update */ struct task iv_erp_protmode_task; /* deferred ERP protmode update */ void (*iv_erp_protmode_update)(struct ieee80211vap *); struct task iv_preamble_task; /* deferred short/barker preamble update */ void (*iv_preamble_update)(struct ieee80211vap *); struct task iv_ht_protmode_task; /* deferred HT protmode update */ void (*iv_ht_protmode_update)(struct ieee80211vap *); /* per-vap U-APSD state */ uint8_t iv_uapsdinfo; /* sta mode QoS Info flags */ /* Optional transmit/receive histogram statistics */ struct ieee80211_rx_histogram *rx_histogram; struct ieee80211_tx_histogram *tx_histogram; uint64_t iv_spare[36]; }; MALLOC_DECLARE(M_80211_VAP); #define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0) #define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN) /* ic_flags/iv_flags */ #define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/ #define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */ #define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */ #define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */ /* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */ #define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */ #define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */ #define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */ /* 0x00000300 reserved */ /* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */ #define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/ #define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */ #define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */ #define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */ #define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/ #define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */ /* 0x00030000 reserved */ #define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */ #define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */ #define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */ #define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/ #define IEEE80211_F_CSAPENDING 0x00400000 /* STATUS: chan switch pending*/ #define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */ #define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */ #define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */ #define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */ #define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */ #define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */ #define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */ #define IEEE80211_F_PCF 0x20000000 /* CONF: PCF enabled */ #define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */ #define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */ #define IEEE80211_F_BITS \ "\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN" \ "\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY" \ "\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \ "\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \ "\37DOTH\40DWDS" /* Atheros protocol-specific flags */ #define IEEE80211_F_ATHEROS \ (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP) /* Check if an Atheros capability was negotiated for use */ #define IEEE80211_ATH_CAP(vap, ni, bit) \ ((vap)->iv_flags & (ni)->ni_ath_flags & (bit)) /* ic_flags_ext/iv_flags_ext */ #define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */ #define IEEE80211_FEXT_SCANWAIT 0x00000004 /* STATUS: awaiting scan */ /* 0x00000006 reserved */ #define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */ #define IEEE80211_FEXT_WPS 0x00000010 /* CONF: WPS enabled */ #define IEEE80211_FEXT_TSN 0x00000020 /* CONF: TSN enabled */ #define IEEE80211_FEXT_SCANREQ 0x00000040 /* STATUS: scan req params */ #define IEEE80211_FEXT_RESUME 0x00000080 /* STATUS: start on resume */ #define IEEE80211_FEXT_4ADDR 0x00000100 /* CONF: apply 4-addr encap */ #define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/ #define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */ #define IEEE80211_FEXT_DFS 0x00000800 /* CONF: DFS enabled */ #define IEEE80211_FEXT_DOTD 0x00001000 /* CONF: 11d enabled */ #define IEEE80211_FEXT_STATEWAIT 0x00002000 /* STATUS: awaiting state chg */ #define IEEE80211_FEXT_REINIT 0x00004000 /* STATUS: INIT state first */ #define IEEE80211_FEXT_BPF 0x00008000 /* STATUS: BPF tap present */ /* NB: immutable: should be set only when creating a vap */ #define IEEE80211_FEXT_WDSLEGACY 0x00010000 /* CONF: legacy WDS operation */ #define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/ #define IEEE80211_FEXT_UNIQMAC 0x00040000 /* CONF: user or computed mac */ #define IEEE80211_FEXT_SCAN_OFFLOAD 0x00080000 /* CONF: scan is fully offloaded */ #define IEEE80211_FEXT_SEQNO_OFFLOAD 0x00100000 /* CONF: driver does seqno insertion/allocation */ #define IEEE80211_FEXT_FRAG_OFFLOAD 0x00200000 /* CONF: hardware does 802.11 fragmentation + assignment */ #define IEEE80211_FEXT_VHT 0x00400000 /* CONF: VHT support */ #define IEEE80211_FEXT_QUIET_IE 0x00800000 /* STATUS: quiet IE in a beacon has been added */ #define IEEE80211_FEXT_UAPSD 0x01000000 /* CONF: enable U-APSD */ #define IEEE80211_FEXT_BITS \ "\20\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \ "\0114ADDR\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\16STATEWAIT\17REINIT" \ "\20BPF\21WDSLEGACY\22PROBECHAN\23UNIQMAC\24SCAN_OFFLOAD\25SEQNO_OFFLOAD" \ "\26FRAG_OFFLOAD\27VHT" \ "\30QUIET_IE\31UAPSD" /* ic_flags_ht/iv_flags_ht */ #define IEEE80211_FHT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */ #define IEEE80211_FHT_LDPC_TX 0x00010000 /* CONF: LDPC tx enabled */ #define IEEE80211_FHT_LDPC_RX 0x00020000 /* CONF: LDPC rx enabled */ #define IEEE80211_FHT_GF 0x00040000 /* CONF: Greenfield enabled */ #define IEEE80211_FHT_HT 0x00080000 /* CONF: HT supported */ #define IEEE80211_FHT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */ #define IEEE80211_FHT_AMPDU_RX 0x00200000 /* CONF: A-MPDU rx supported */ #define IEEE80211_FHT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */ #define IEEE80211_FHT_AMSDU_RX 0x00800000 /* CONF: A-MSDU rx supported */ #define IEEE80211_FHT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */ #define IEEE80211_FHT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */ #define IEEE80211_FHT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */ #define IEEE80211_FHT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */ #define IEEE80211_FHT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */ #define IEEE80211_FHT_RIFS 0x20000000 /* CONF: RIFS enabled */ #define IEEE80211_FHT_STBC_TX 0x40000000 /* CONF: STBC tx enabled */ #define IEEE80211_FHT_STBC_RX 0x80000000 /* CONF: STBC rx enabled */ #define IEEE80211_FHT_BITS \ "\20\1NONHT_PR" \ "\23GF\24HT\25AMPDU_TX\26AMPDU_TX" \ "\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN\33SHORTGI20\34SHORTGI40" \ "\35HTCOMPAT\36RIFS\37STBC_TX\40STBC_RX" #define IEEE80211_FVEN_BITS "\20" #define IEEE80211_FVHT_VHT 0x000000001 /* CONF: VHT supported */ #define IEEE80211_FVHT_USEVHT40 0x000000002 /* CONF: Use VHT40 */ #define IEEE80211_FVHT_USEVHT80 0x000000004 /* CONF: Use VHT80 */ #define IEEE80211_FVHT_USEVHT160 0x000000008 /* CONF: Use VHT160 */ #define IEEE80211_FVHT_USEVHT80P80 0x000000010 /* CONF: Use VHT 80+80 */ #define IEEE80211_FVHT_MASK \ (IEEE80211_FVHT_VHT | IEEE80211_FVHT_USEVHT40 | \ IEEE80211_FVHT_USEVHT80 | IEEE80211_FVHT_USEVHT160 | \ IEEE80211_FVHT_USEVHT80P80) #define IEEE80211_VFHT_BITS \ "\20\1VHT\2VHT40\3VHT80\4VHT160\5VHT80P80" #define IEEE80211_COM_DETACHED 0x00000001 /* ieee80211_ifdetach called */ #define IEEE80211_COM_REF_ADD 0x00000002 /* add / remove reference */ #define IEEE80211_COM_REF 0xfffffffe /* reference counter bits */ #define IEEE80211_COM_REF_S 1 #define IEEE80211_COM_REF_MAX (IEEE80211_COM_REF >> IEEE80211_COM_REF_S) int ic_printf(struct ieee80211com *, const char *, ...) __printflike(2, 3); void ieee80211_ifattach(struct ieee80211com *); void ieee80211_ifdetach(struct ieee80211com *); void ieee80211_set_software_ciphers(struct ieee80211com *, uint32_t cipher_suite); void ieee80211_set_hardware_ciphers(struct ieee80211com *, uint32_t cipher_suite); +void ieee80211_set_driver_keymgmt_suites(struct ieee80211com *ic, + uint32_t keymgmt_set); int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *, const char name[IFNAMSIZ], int unit, enum ieee80211_opmode opmode, int flags, const uint8_t bssid[IEEE80211_ADDR_LEN]); int ieee80211_vap_attach(struct ieee80211vap *, ifm_change_cb_t, ifm_stat_cb_t, const uint8_t macaddr[IEEE80211_ADDR_LEN]); void ieee80211_vap_detach(struct ieee80211vap *); const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic, const struct ieee80211_channel *); const struct ieee80211_htrateset *ieee80211_get_suphtrates( struct ieee80211com *, const struct ieee80211_channel *); void ieee80211_announce(struct ieee80211com *); void ieee80211_announce_channels(struct ieee80211com *); void ieee80211_drain(struct ieee80211com *); void ieee80211_chan_init(struct ieee80211com *); struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]); struct ieee80211com *ieee80211_find_com(const char *name); typedef void ieee80211_com_iter_func(void *, struct ieee80211com *); void ieee80211_iterate_coms(ieee80211_com_iter_func *, void *); int ieee80211_media_change(struct ifnet *); void ieee80211_media_status(struct ifnet *, struct ifmediareq *); int ieee80211_ioctl(struct ifnet *, u_long, caddr_t); int ieee80211_rate2media(struct ieee80211com *, int, enum ieee80211_phymode); int ieee80211_media2rate(int); int ieee80211_mhz2ieee(u_int, u_int); int ieee80211_chan2ieee(struct ieee80211com *, const struct ieee80211_channel *); u_int ieee80211_ieee2mhz(u_int, u_int); int ieee80211_add_channel_cbw(struct ieee80211_channel[], int, int *, uint8_t, uint16_t, int8_t, uint32_t, const uint8_t[], int); int ieee80211_add_channel(struct ieee80211_channel[], int, int *, uint8_t, uint16_t, int8_t, uint32_t, const uint8_t[]); int ieee80211_add_channel_ht40(struct ieee80211_channel[], int, int *, uint8_t, int8_t, uint32_t); uint32_t ieee80211_get_channel_center_freq(const struct ieee80211_channel *); uint32_t ieee80211_get_channel_center_freq1(const struct ieee80211_channel *); uint32_t ieee80211_get_channel_center_freq2(const struct ieee80211_channel *); #define NET80211_CBW_FLAG_HT40 0x01 #define NET80211_CBW_FLAG_VHT80 0x02 #define NET80211_CBW_FLAG_VHT160 0x04 #define NET80211_CBW_FLAG_VHT80P80 0x08 int ieee80211_add_channel_list_2ghz(struct ieee80211_channel[], int, int *, const uint8_t[], int, const uint8_t[], int); int ieee80211_add_channels_default_2ghz(struct ieee80211_channel[], int, int *, const uint8_t[], int); int ieee80211_add_channel_list_5ghz(struct ieee80211_channel[], int, int *, const uint8_t[], int, const uint8_t[], int); struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *, int freq, int flags); struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *, int ieee, int flags); struct ieee80211_channel *ieee80211_lookup_channel_rxstatus(struct ieee80211vap *, const struct ieee80211_rx_stats *); int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode); enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *); uint32_t ieee80211_mac_hash(const struct ieee80211com *, const uint8_t addr[IEEE80211_ADDR_LEN]); char ieee80211_channel_type_char(const struct ieee80211_channel *c); #define ieee80211_get_current_channel(_ic) ((_ic)->ic_curchan) #define ieee80211_get_home_channel(_ic) ((_ic)->ic_bsschan) #define ieee80211_get_vap_desired_channel(_iv) ((_iv)->iv_des_chan) void ieee80211_radiotap_attach(struct ieee80211com *, struct ieee80211_radiotap_header *th, int tlen, uint32_t tx_radiotap, struct ieee80211_radiotap_header *rh, int rlen, uint32_t rx_radiotap); void ieee80211_radiotap_attachv(struct ieee80211com *, struct ieee80211_radiotap_header *th, int tlen, int n_tx_v, uint32_t tx_radiotap, struct ieee80211_radiotap_header *rh, int rlen, int n_rx_v, uint32_t rx_radiotap); void ieee80211_radiotap_detach(struct ieee80211com *); void ieee80211_radiotap_vattach(struct ieee80211vap *); void ieee80211_radiotap_vdetach(struct ieee80211vap *); void ieee80211_radiotap_chan_change(struct ieee80211com *); void ieee80211_radiotap_tx(struct ieee80211vap *, struct mbuf *); void ieee80211_radiotap_rx(struct ieee80211vap *, struct mbuf *); void ieee80211_radiotap_rx_all(struct ieee80211com *, struct mbuf *); static __inline int ieee80211_radiotap_active(const struct ieee80211com *ic) { return (ic->ic_flags_ext & IEEE80211_FEXT_BPF) != 0; } static __inline int ieee80211_radiotap_active_vap(const struct ieee80211vap *vap) { return (vap->iv_flags_ext & IEEE80211_FEXT_BPF) || vap->iv_ic->ic_montaps != 0; } /* * Enqueue a task on the state thread. */ static __inline void ieee80211_runtask(struct ieee80211com *ic, struct task *task) { taskqueue_enqueue(ic->ic_tq, task); } /* * Wait for a queued task to complete. */ static __inline void ieee80211_draintask(struct ieee80211com *ic, struct task *task) { taskqueue_drain(ic->ic_tq, task); } /* * Key update synchronization methods. XXX should not be visible. */ static __inline void ieee80211_key_update_begin(struct ieee80211vap *vap) { vap->iv_key_update_begin(vap); } static __inline void ieee80211_key_update_end(struct ieee80211vap *vap) { vap->iv_key_update_end(vap); } /* * XXX these need to be here for IEEE80211_F_DATAPAD */ /* * Return the space occupied by the 802.11 header and any * padding required by the driver. This works for a * management or data frame. */ static __inline int ieee80211_hdrspace(struct ieee80211com *ic, const void *data) { int size = ieee80211_hdrsize(data); if (ic->ic_flags & IEEE80211_F_DATAPAD) size = roundup(size, sizeof(uint32_t)); return size; } /* * Like ieee80211_hdrspace, but handles any type of frame. */ static __inline int ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data) { int size = ieee80211_anyhdrsize(data); if (ic->ic_flags & IEEE80211_F_DATAPAD) size = roundup(size, sizeof(uint32_t)); return size; } /* * Notify a vap that beacon state has been updated. */ static __inline void ieee80211_beacon_notify(struct ieee80211vap *vap, int what) { if (vap->iv_state == IEEE80211_S_RUN) vap->iv_update_beacon(vap, what); } /* * Calculate HT channel promotion flags for a channel. * XXX belongs in ieee80211_ht.h but needs IEEE80211_FHT_* */ static __inline int ieee80211_htchanflags(const struct ieee80211_channel *c) { return IEEE80211_IS_CHAN_HT40(c) ? IEEE80211_FHT_HT | IEEE80211_FHT_USEHT40 : IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FHT_HT : 0; } /* * Calculate VHT channel promotion flags for a channel. * XXX belongs in ieee80211_vht.h but needs IEEE80211_FVHT_* */ static __inline int ieee80211_vhtchanflags(const struct ieee80211_channel *c) { if (IEEE80211_IS_CHAN_VHT160(c)) return IEEE80211_FVHT_USEVHT160; if (IEEE80211_IS_CHAN_VHT80P80(c)) return IEEE80211_FVHT_USEVHT80P80; if (IEEE80211_IS_CHAN_VHT80(c)) return IEEE80211_FVHT_USEVHT80; if (IEEE80211_IS_CHAN_VHT40(c)) return IEEE80211_FVHT_USEVHT40; if (IEEE80211_IS_CHAN_VHT(c)) return IEEE80211_FVHT_VHT; return (0); } /* * Fetch the current TX power (cap) for the given node. * * This includes the node and ic/vap TX power limit as needed, * but it doesn't take into account any per-rate limit. */ static __inline uint16_t ieee80211_get_node_txpower(struct ieee80211_node *ni) { struct ieee80211com *ic = ni->ni_ic; uint16_t txpower; txpower = ni->ni_txpower; txpower = MIN(txpower, ic->ic_txpowlimit); if (ic->ic_curchan != NULL) { txpower = MIN(txpower, 2 * ic->ic_curchan->ic_maxregpower); txpower = MIN(txpower, ic->ic_curchan->ic_maxpower); } return (txpower); } /* * Debugging facilities compiled in when IEEE80211_DEBUG is defined. * * The intent is that any problem in the net80211 layer can be * diagnosed by inspecting the statistics (dumped by the wlanstats * program) and/or the msgs generated by net80211. Messages are * broken into functional classes and can be controlled with the * wlandebug program. Certain of these msg groups are for facilities * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1XSM). */ #define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */ #define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */ #define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */ #define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */ #define IEEE80211_MSG_INPUT 0x08000000 /* input handling */ #define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */ #define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */ #define IEEE80211_MSG_NODE 0x01000000 /* node handling */ #define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */ #define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */ #define IEEE80211_MSG_SCAN 0x00200000 /* scanning */ #define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */ #define IEEE80211_MSG_STATE 0x00080000 /* state machine */ #define IEEE80211_MSG_POWER 0x00040000 /* power save handling */ #define IEEE80211_MSG_HWMP 0x00020000 /* hybrid mesh protocol */ #define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */ #define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */ #define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */ #define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */ #define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */ #define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */ #define IEEE80211_MSG_WME 0x00000400 /* WME protocol */ #define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */ #define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */ #define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */ #define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */ #define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */ #define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */ #define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */ #define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */ #define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */ #define IEEE80211_MSG_ANY 0xffffffff /* anything */ #define IEEE80211_MSG_BITS \ "\20\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \ "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22HWMP" \ "\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \ "\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N" /* Helper macros unified. */ #define _IEEE80211_MASKSHIFT(_v, _f) (((_v) & _f) >> _f##_S) #define _IEEE80211_SHIFTMASK(_v, _f) (((_v) << _f##_S) & _f) #ifdef IEEE80211_DEBUG #define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m)) #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \ if (ieee80211_msg(_vap, _m)) \ ieee80211_note(_vap, _fmt, __VA_ARGS__); \ } while (0) #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \ if (ieee80211_msg(_vap, _m)) \ ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\ } while (0) #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \ if (ieee80211_msg(_vap, _m)) \ ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \ } while (0) #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \ if (ieee80211_msg(_vap, _m)) \ ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \ } while (0) void ieee80211_note(const struct ieee80211vap *, const char *, ...); void ieee80211_note_mac(const struct ieee80211vap *, const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...); void ieee80211_note_frame(const struct ieee80211vap *, const struct ieee80211_frame *, const char *, ...); #define ieee80211_msg_debug(_vap) \ ((_vap)->iv_debug & IEEE80211_MSG_DEBUG) #define ieee80211_msg_dumppkts(_vap) \ ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS) #define ieee80211_msg_input(_vap) \ ((_vap)->iv_debug & IEEE80211_MSG_INPUT) #define ieee80211_msg_radius(_vap) \ ((_vap)->iv_debug & IEEE80211_MSG_RADIUS) #define ieee80211_msg_dumpradius(_vap) \ ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP) #define ieee80211_msg_dumpradkeys(_vap) \ ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS) #define ieee80211_msg_scan(_vap) \ ((_vap)->iv_debug & IEEE80211_MSG_SCAN) #define ieee80211_msg_assoc(_vap) \ ((_vap)->iv_debug & IEEE80211_MSG_ASSOC) /* * Emit a debug message about discarding a frame or information * element. One format is for extracting the mac address from * the frame header; the other is for when a header is not * available or otherwise appropriate. */ #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \ if ((_vap)->iv_debug & (_m)) \ ieee80211_discard_frame(_vap, _wh, _type, \ "%s:%d: " _fmt, __func__, __LINE__, __VA_ARGS__); \ } while (0) #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \ if ((_vap)->iv_debug & (_m)) \ ieee80211_discard_ie(_vap, _wh, _type, \ "%s:%d: " _fmt, __func__, __LINE__, __VA_ARGS__); \ } while (0) #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \ if ((_vap)->iv_debug & (_m)) \ ieee80211_discard_mac(_vap, _mac, _type, \ "%s:%d: " _fmt, __func__, __LINE__, __VA_ARGS__); \ } while (0) void ieee80211_discard_frame(const struct ieee80211vap *, const struct ieee80211_frame *, const char *type, const char *fmt, ...); void ieee80211_discard_ie(const struct ieee80211vap *, const struct ieee80211_frame *, const char *type, const char *fmt, ...); void ieee80211_discard_mac(const struct ieee80211vap *, const uint8_t mac[IEEE80211_ADDR_LEN], const char *type, const char *fmt, ...); #else #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) #define ieee80211_msg_dumppkts(_vap) 0 #define ieee80211_msg(_vap, _m) 0 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) #endif #endif /* _NET80211_IEEE80211_VAR_H_ */