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b86fd7bcea
net80211 receive path. This allows drivers (notably USB right now, but anything/everything!) to optionally defer bulk RX of 802.11 frames until /outside/ of the driver lock(s), rather than doing: UNLOCK(sc); ieee80211_input*() LOCK(sc); .. which is really stupid. The existing API is maintaned - if ieee80211_input() / ieee80211_input_all() is called then the RSSI/NF values are used. If the MIMO versions are called with a given rx status pointer then it's used. Else, it'll use whatever is in the RX mbuf tag.
405 lines
16 KiB
C
405 lines
16 KiB
C
/*-
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* Copyright (c) 2001 Atsushi Onoe
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* Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _NET80211__IEEE80211_H_
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#define _NET80211__IEEE80211_H_
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/*
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* 802.11 implementation definitions.
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*
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* NB: this file is used by applications.
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*/
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/*
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* PHY type; mostly used to identify FH phys.
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*/
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enum ieee80211_phytype {
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IEEE80211_T_DS, /* direct sequence spread spectrum */
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IEEE80211_T_FH, /* frequency hopping */
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IEEE80211_T_OFDM, /* frequency division multiplexing */
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IEEE80211_T_TURBO, /* high rate OFDM, aka turbo mode */
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IEEE80211_T_HT, /* high throughput */
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IEEE80211_T_OFDM_HALF, /* 1/2 rate OFDM */
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IEEE80211_T_OFDM_QUARTER, /* 1/4 rate OFDM */
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};
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#define IEEE80211_T_CCK IEEE80211_T_DS /* more common nomenclature */
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/*
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* PHY mode; this is not really a mode as multi-mode devices
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* have multiple PHY's. Mode is mostly used as a shorthand
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* for constraining which channels to consider in setting up
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* operation. Modes used to be used more extensively when
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* channels were identified as IEEE channel numbers.
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*/
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enum ieee80211_phymode {
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IEEE80211_MODE_AUTO = 0, /* autoselect */
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IEEE80211_MODE_11A = 1, /* 5GHz, OFDM */
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IEEE80211_MODE_11B = 2, /* 2GHz, CCK */
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IEEE80211_MODE_11G = 3, /* 2GHz, OFDM */
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IEEE80211_MODE_FH = 4, /* 2GHz, GFSK */
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IEEE80211_MODE_TURBO_A = 5, /* 5GHz, OFDM, 2x clock */
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IEEE80211_MODE_TURBO_G = 6, /* 2GHz, OFDM, 2x clock */
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IEEE80211_MODE_STURBO_A = 7, /* 5GHz, OFDM, 2x clock, static */
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IEEE80211_MODE_11NA = 8, /* 5GHz, w/ HT */
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IEEE80211_MODE_11NG = 9, /* 2GHz, w/ HT */
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IEEE80211_MODE_HALF = 10, /* OFDM, 1/2x clock */
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IEEE80211_MODE_QUARTER = 11, /* OFDM, 1/4x clock */
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};
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#define IEEE80211_MODE_MAX (IEEE80211_MODE_QUARTER+1)
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/*
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* Operating mode. Devices do not necessarily support
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* all modes; they indicate which are supported in their
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* capabilities.
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*/
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enum ieee80211_opmode {
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IEEE80211_M_IBSS = 0, /* IBSS (adhoc) station */
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IEEE80211_M_STA = 1, /* infrastructure station */
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IEEE80211_M_WDS = 2, /* WDS link */
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IEEE80211_M_AHDEMO = 3, /* Old lucent compatible adhoc demo */
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IEEE80211_M_HOSTAP = 4, /* Software Access Point */
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IEEE80211_M_MONITOR = 5, /* Monitor mode */
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IEEE80211_M_MBSS = 6, /* MBSS (Mesh Point) link */
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};
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#define IEEE80211_OPMODE_MAX (IEEE80211_M_MBSS+1)
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/*
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* 802.11g/802.11n protection mode.
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*/
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enum ieee80211_protmode {
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IEEE80211_PROT_NONE = 0, /* no protection */
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IEEE80211_PROT_CTSONLY = 1, /* CTS to self */
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IEEE80211_PROT_RTSCTS = 2, /* RTS-CTS */
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};
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/*
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* Authentication mode. The open and shared key authentication
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* modes are implemented within the 802.11 layer. 802.1x and
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* WPA/802.11i are implemented in user mode by setting the
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* 802.11 layer into IEEE80211_AUTH_8021X and deferring
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* authentication to user space programs.
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*/
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enum ieee80211_authmode {
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IEEE80211_AUTH_NONE = 0,
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IEEE80211_AUTH_OPEN = 1, /* open */
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IEEE80211_AUTH_SHARED = 2, /* shared-key */
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IEEE80211_AUTH_8021X = 3, /* 802.1x */
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IEEE80211_AUTH_AUTO = 4, /* auto-select/accept */
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/* NB: these are used only for ioctls */
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IEEE80211_AUTH_WPA = 5, /* WPA/RSN w/ 802.1x/PSK */
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};
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/*
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* Roaming mode is effectively who controls the operation
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* of the 802.11 state machine when operating as a station.
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* State transitions are controlled either by the driver
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* (typically when management frames are processed by the
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* hardware/firmware), the host (auto/normal operation of
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* the 802.11 layer), or explicitly through ioctl requests
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* when applications like wpa_supplicant want control.
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*/
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enum ieee80211_roamingmode {
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IEEE80211_ROAMING_DEVICE= 0, /* driver/hardware control */
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IEEE80211_ROAMING_AUTO = 1, /* 802.11 layer control */
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IEEE80211_ROAMING_MANUAL= 2, /* application control */
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};
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/*
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* Channels are specified by frequency and attributes.
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*/
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struct ieee80211_channel {
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uint32_t ic_flags; /* see below */
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uint16_t ic_freq; /* setting in MHz */
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uint8_t ic_ieee; /* IEEE channel number */
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int8_t ic_maxregpower; /* maximum regulatory tx power in dBm */
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int8_t ic_maxpower; /* maximum tx power in .5 dBm */
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int8_t ic_minpower; /* minimum tx power in .5 dBm */
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uint8_t ic_state; /* dynamic state */
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uint8_t ic_extieee; /* HT40 extension channel number */
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int8_t ic_maxantgain; /* maximum antenna gain in .5 dBm */
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uint8_t ic_pad;
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uint16_t ic_devdata; /* opaque device/driver data */
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};
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#define IEEE80211_CHAN_MAX 256
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#define IEEE80211_CHAN_BYTES 32 /* howmany(IEEE80211_CHAN_MAX, NBBY) */
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#define IEEE80211_CHAN_ANY 0xffff /* token for ``any channel'' */
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#define IEEE80211_CHAN_ANYC \
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((struct ieee80211_channel *) IEEE80211_CHAN_ANY)
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/* channel attributes */
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#define IEEE80211_CHAN_PRIV0 0x00000001 /* driver private bit 0 */
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#define IEEE80211_CHAN_PRIV1 0x00000002 /* driver private bit 1 */
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#define IEEE80211_CHAN_PRIV2 0x00000004 /* driver private bit 2 */
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#define IEEE80211_CHAN_PRIV3 0x00000008 /* driver private bit 3 */
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#define IEEE80211_CHAN_TURBO 0x00000010 /* Turbo channel */
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#define IEEE80211_CHAN_CCK 0x00000020 /* CCK channel */
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#define IEEE80211_CHAN_OFDM 0x00000040 /* OFDM channel */
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#define IEEE80211_CHAN_2GHZ 0x00000080 /* 2 GHz spectrum channel. */
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#define IEEE80211_CHAN_5GHZ 0x00000100 /* 5 GHz spectrum channel */
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#define IEEE80211_CHAN_PASSIVE 0x00000200 /* Only passive scan allowed */
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#define IEEE80211_CHAN_DYN 0x00000400 /* Dynamic CCK-OFDM channel */
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#define IEEE80211_CHAN_GFSK 0x00000800 /* GFSK channel (FHSS PHY) */
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#define IEEE80211_CHAN_GSM 0x00001000 /* 900 MHz spectrum channel */
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#define IEEE80211_CHAN_STURBO 0x00002000 /* 11a static turbo channel only */
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#define IEEE80211_CHAN_HALF 0x00004000 /* Half rate channel */
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#define IEEE80211_CHAN_QUARTER 0x00008000 /* Quarter rate channel */
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#define IEEE80211_CHAN_HT20 0x00010000 /* HT 20 channel */
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#define IEEE80211_CHAN_HT40U 0x00020000 /* HT 40 channel w/ ext above */
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#define IEEE80211_CHAN_HT40D 0x00040000 /* HT 40 channel w/ ext below */
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#define IEEE80211_CHAN_DFS 0x00080000 /* DFS required */
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#define IEEE80211_CHAN_4MSXMIT 0x00100000 /* 4ms limit on frame length */
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#define IEEE80211_CHAN_NOADHOC 0x00200000 /* adhoc mode not allowed */
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#define IEEE80211_CHAN_NOHOSTAP 0x00400000 /* hostap mode not allowed */
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#define IEEE80211_CHAN_11D 0x00800000 /* 802.11d required */
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#define IEEE80211_CHAN_HT40 (IEEE80211_CHAN_HT40U | IEEE80211_CHAN_HT40D)
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#define IEEE80211_CHAN_HT (IEEE80211_CHAN_HT20 | IEEE80211_CHAN_HT40)
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#define IEEE80211_CHAN_BITS \
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"\20\1PRIV0\2PRIV2\3PRIV3\4PRIV4\5TURBO\6CCK\7OFDM\0102GHZ\0115GHZ" \
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"\12PASSIVE\13DYN\14GFSK\15GSM\16STURBO\17HALF\20QUARTER\21HT20" \
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"\22HT40U\23HT40D\24DFS\0254MSXMIT\26NOADHOC\27NOHOSTAP\03011D"
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/*
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* Useful combinations of channel characteristics.
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*/
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#define IEEE80211_CHAN_FHSS \
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(IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_GFSK)
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#define IEEE80211_CHAN_A \
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(IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM)
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#define IEEE80211_CHAN_B \
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(IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_CCK)
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#define IEEE80211_CHAN_PUREG \
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(IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_OFDM)
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#define IEEE80211_CHAN_G \
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(IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_DYN)
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#define IEEE80211_CHAN_108A \
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(IEEE80211_CHAN_A | IEEE80211_CHAN_TURBO)
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#define IEEE80211_CHAN_108G \
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(IEEE80211_CHAN_PUREG | IEEE80211_CHAN_TURBO)
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#define IEEE80211_CHAN_ST \
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(IEEE80211_CHAN_108A | IEEE80211_CHAN_STURBO)
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#define IEEE80211_CHAN_ALL \
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(IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_GFSK | \
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IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | IEEE80211_CHAN_DYN | \
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IEEE80211_CHAN_HALF | IEEE80211_CHAN_QUARTER | \
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IEEE80211_CHAN_HT)
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#define IEEE80211_CHAN_ALLTURBO \
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(IEEE80211_CHAN_ALL | IEEE80211_CHAN_TURBO | IEEE80211_CHAN_STURBO)
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#define IEEE80211_IS_CHAN_FHSS(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_FHSS) == IEEE80211_CHAN_FHSS)
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#define IEEE80211_IS_CHAN_A(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_A) == IEEE80211_CHAN_A)
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#define IEEE80211_IS_CHAN_B(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_B) == IEEE80211_CHAN_B)
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#define IEEE80211_IS_CHAN_PUREG(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_PUREG) == IEEE80211_CHAN_PUREG)
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#define IEEE80211_IS_CHAN_G(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_G) == IEEE80211_CHAN_G)
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#define IEEE80211_IS_CHAN_ANYG(_c) \
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(IEEE80211_IS_CHAN_PUREG(_c) || IEEE80211_IS_CHAN_G(_c))
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#define IEEE80211_IS_CHAN_ST(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_ST) == IEEE80211_CHAN_ST)
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#define IEEE80211_IS_CHAN_108A(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_108A) == IEEE80211_CHAN_108A)
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#define IEEE80211_IS_CHAN_108G(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_108G) == IEEE80211_CHAN_108G)
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#define IEEE80211_IS_CHAN_2GHZ(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_2GHZ) != 0)
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#define IEEE80211_IS_CHAN_5GHZ(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_5GHZ) != 0)
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#define IEEE80211_IS_CHAN_PASSIVE(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_PASSIVE) != 0)
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#define IEEE80211_IS_CHAN_OFDM(_c) \
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(((_c)->ic_flags & (IEEE80211_CHAN_OFDM | IEEE80211_CHAN_DYN)) != 0)
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#define IEEE80211_IS_CHAN_CCK(_c) \
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(((_c)->ic_flags & (IEEE80211_CHAN_CCK | IEEE80211_CHAN_DYN)) != 0)
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#define IEEE80211_IS_CHAN_DYN(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_DYN) == IEEE80211_CHAN_DYN)
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#define IEEE80211_IS_CHAN_GFSK(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_GFSK) != 0)
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#define IEEE80211_IS_CHAN_TURBO(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_TURBO) != 0)
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#define IEEE80211_IS_CHAN_STURBO(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_STURBO) != 0)
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#define IEEE80211_IS_CHAN_DTURBO(_c) \
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(((_c)->ic_flags & \
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(IEEE80211_CHAN_TURBO | IEEE80211_CHAN_STURBO)) == IEEE80211_CHAN_TURBO)
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#define IEEE80211_IS_CHAN_HALF(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_HALF) != 0)
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#define IEEE80211_IS_CHAN_QUARTER(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_QUARTER) != 0)
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#define IEEE80211_IS_CHAN_FULL(_c) \
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(((_c)->ic_flags & (IEEE80211_CHAN_QUARTER | IEEE80211_CHAN_HALF)) == 0)
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#define IEEE80211_IS_CHAN_GSM(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_GSM) != 0)
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#define IEEE80211_IS_CHAN_HT(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_HT) != 0)
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#define IEEE80211_IS_CHAN_HT20(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_HT20) != 0)
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#define IEEE80211_IS_CHAN_HT40(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_HT40) != 0)
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#define IEEE80211_IS_CHAN_HT40U(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_HT40U) != 0)
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#define IEEE80211_IS_CHAN_HT40D(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_HT40D) != 0)
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#define IEEE80211_IS_CHAN_HTA(_c) \
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(IEEE80211_IS_CHAN_5GHZ(_c) && \
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((_c)->ic_flags & IEEE80211_CHAN_HT) != 0)
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#define IEEE80211_IS_CHAN_HTG(_c) \
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(IEEE80211_IS_CHAN_2GHZ(_c) && \
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((_c)->ic_flags & IEEE80211_CHAN_HT) != 0)
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#define IEEE80211_IS_CHAN_DFS(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_DFS) != 0)
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#define IEEE80211_IS_CHAN_NOADHOC(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_NOADHOC) != 0)
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#define IEEE80211_IS_CHAN_NOHOSTAP(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_NOHOSTAP) != 0)
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#define IEEE80211_IS_CHAN_11D(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_11D) != 0)
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#define IEEE80211_CHAN2IEEE(_c) (_c)->ic_ieee
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/* dynamic state */
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#define IEEE80211_CHANSTATE_RADAR 0x01 /* radar detected */
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#define IEEE80211_CHANSTATE_CACDONE 0x02 /* CAC completed */
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#define IEEE80211_CHANSTATE_CWINT 0x04 /* interference detected */
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#define IEEE80211_CHANSTATE_NORADAR 0x10 /* post notify on radar clear */
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#define IEEE80211_IS_CHAN_RADAR(_c) \
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(((_c)->ic_state & IEEE80211_CHANSTATE_RADAR) != 0)
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#define IEEE80211_IS_CHAN_CACDONE(_c) \
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(((_c)->ic_state & IEEE80211_CHANSTATE_CACDONE) != 0)
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#define IEEE80211_IS_CHAN_CWINT(_c) \
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(((_c)->ic_state & IEEE80211_CHANSTATE_CWINT) != 0)
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/* ni_chan encoding for FH phy */
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#define IEEE80211_FH_CHANMOD 80
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#define IEEE80211_FH_CHAN(set,pat) (((set)-1)*IEEE80211_FH_CHANMOD+(pat))
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#define IEEE80211_FH_CHANSET(chan) ((chan)/IEEE80211_FH_CHANMOD+1)
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#define IEEE80211_FH_CHANPAT(chan) ((chan)%IEEE80211_FH_CHANMOD)
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#define IEEE80211_TID_SIZE (WME_NUM_TID+1) /* WME TID's +1 for non-QoS */
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#define IEEE80211_NONQOS_TID WME_NUM_TID /* index for non-QoS sta */
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/*
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* The 802.11 spec says at most 2007 stations may be
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* associated at once. For most AP's this is way more
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* than is feasible so we use a default of 128. This
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* number may be overridden by the driver and/or by
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* user configuration but may not be less than IEEE80211_AID_MIN.
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*/
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#define IEEE80211_AID_DEF 128
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#define IEEE80211_AID_MIN 16
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/*
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* 802.11 rate set.
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*/
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#define IEEE80211_RATE_SIZE 8 /* 802.11 standard */
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#define IEEE80211_RATE_MAXSIZE 15 /* max rates we'll handle */
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struct ieee80211_rateset {
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uint8_t rs_nrates;
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uint8_t rs_rates[IEEE80211_RATE_MAXSIZE];
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};
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/*
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* 802.11n variant of ieee80211_rateset. Instead of
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* legacy rates the entries are MCS rates. We define
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* the structure such that it can be used interchangeably
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* with an ieee80211_rateset (modulo structure size).
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*/
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#define IEEE80211_HTRATE_MAXSIZE 77
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struct ieee80211_htrateset {
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uint8_t rs_nrates;
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uint8_t rs_rates[IEEE80211_HTRATE_MAXSIZE];
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};
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#define IEEE80211_RATE_MCS 0x80
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/*
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* Per-mode transmit parameters/controls visible to user space.
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* These can be used to set fixed transmit rate for all operating
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* modes or on a per-client basis according to the capabilities
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* of the client (e.g. an 11b client associated to an 11g ap).
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*
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* MCS are distinguished from legacy rates by or'ing in 0x80.
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*/
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struct ieee80211_txparam {
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uint8_t ucastrate; /* ucast data rate (legacy/MCS|0x80) */
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uint8_t mgmtrate; /* mgmt frame rate (legacy/MCS|0x80) */
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uint8_t mcastrate; /* multicast rate (legacy/MCS|0x80) */
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uint8_t maxretry; /* max unicast data retry count */
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};
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/*
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* Per-mode roaming state visible to user space. There are two
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* thresholds that control whether roaming is considered; when
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* either is exceeded the 802.11 layer will check the scan cache
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* for another AP. If the cache is stale then a scan may be
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* triggered.
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*/
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struct ieee80211_roamparam {
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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.
|
|
*/
|
|
|
|
/*
|
|
* XXX This doesn't yet export both ctl/ext chain details
|
|
* XXX TODO: IEEE80211_MAX_CHAINS is defined in _freebsd.h, not here;
|
|
* figure out how to pull it in!
|
|
*/
|
|
struct ieee80211_mimo_info {
|
|
int8_t rssi[3]; /* per-antenna rssi */
|
|
int8_t noise[3]; /* per-antenna noise floor */
|
|
uint8_t pad[2];
|
|
uint32_t evm[3]; /* EVM data */
|
|
};
|
|
#endif /* _NET80211__IEEE80211_H_ */
|