Various mdoc, spelling etc fixes.
MFC after: 3 days
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=197300
@ -301,7 +301,7 @@ This method is called immediately after each channel change
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and must initiate the work to scan a channel and schedule a timer
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to advance to the next channel in the scan list.
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This callback is done in a sleepable context.
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The default method handles active scan work (e.g. sending ProbRequest
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The default method handles active scan work (e.g. sending ProbeRequest
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frames), and schedules a call to
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.Xr ieee80211_scan_next 9
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according to the maximum dwell time for the channel.
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@ -558,4 +558,4 @@ Device supports Reduced Inter Frame Spacing (RIFS).
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.Xr ieee80211_send_action 9 ,
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.Xr ieee80211_radiotap_attach 9 ,
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.Xr ifnet 9 ,
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.Xr malloc 9 .
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.Xr malloc 9
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@ -191,4 +191,4 @@ Drivers that poll a device to retrieve statistics can use
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(instead or in addition).
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.Sh SEE ALSO
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.Xr ieee80211 9 ,
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.Xr ieee80211_output 9 ,
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.Xr ieee80211_output 9
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@ -112,4 +112,4 @@ Staggering beacon frames is usually superior to bursting frames, up to
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about eight vaps, at which point the overhead becomes significant and
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the channel becomes noticeably busy anyway.
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.Sh SEE ALSO
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.Xr ieee80211 9 .
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.Xr ieee80211 9
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@ -86,6 +86,6 @@ Note that software beacon miss handling is not limited to station mode;
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it can be used in any operating mode where beacons from a peer station
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are received.
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.Sh SEE ALSO
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.Xr ieee80211 9 ,
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.Xr ieee80211_vap 9 ,
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.Xr wpa_supplicant 8 ,
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.Xr ieee80211 9 ,
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.Xr ieee80211_vap 9
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@ -65,10 +65,10 @@
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.\"
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.Ft int
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.Fo ieee80211_crypto_newkey
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.Fa "struct ieee80211vap *
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.Fa "int cipher
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.Fa "int flags
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.Fa "struct ieee80211_key *
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.Fa "struct ieee80211vap *"
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.Fa "int cipher"
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.Fa "int flags"
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.Fa "struct ieee80211_key *"
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.Fc
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.\"
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.Ft int
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@ -141,7 +141,7 @@ so it can reclaim resources.
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.Pp
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Crypto modules can notify the system of two events.
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When a packet replay event is recognized
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.Fn ieee80111_notify_replay_failure
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.Fn ieee80211_notify_replay_failure
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can be used to signal the event.
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When a
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.Dv TKIP
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@ -256,4 +256,4 @@ when receive traffic is active.
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.Xr ioctl 2 ,
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.Xr wlan_ccmp 4 ,
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.Xr wlan_tkip 4 ,
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.Xr wlan_wep 4 .
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.Xr wlan_wep 4
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@ -54,7 +54,7 @@ This is especially important because wireless applications are often
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built for embedded environments where cross-machine or post-mortem
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debugging facilities like
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.Xr kgdb 1
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infeasible.
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are infeasible.
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.Pp
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The most commonly used command is
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.Bd -literal -offset indent
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@ -69,4 +69,4 @@ and
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data structures in the system.
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.Sh SEE ALSO
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.Xr ddb 4 ,
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.Xr ieee80211 9 .
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.Xr ieee80211 9
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@ -113,4 +113,4 @@ Otherwise the values are made available to user applications
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(with the rssi presented as a filtered average over the last ten values
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and the noise floor the last reported value).
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.Sh SEE ALSO
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.Xr ieee80211 9 .
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.Xr ieee80211 9
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@ -248,4 +248,4 @@ then a normal lookup is done without a table update.
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.Sh SEE ALSO
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.Xr ddb 9
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.Xr ieee80211 9 ,
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.Xr ieee80211_proto 9 ,
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.Xr ieee80211_proto 9
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@ -47,9 +47,9 @@
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.\"
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.Ft void
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.Fo ieee80211_process_callback
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.Fa struct ieee80211_node *
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.Fa struct mbuf *
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.Fa int
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.Fa "struct ieee80211_node *"
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.Fa "struct mbuf *"
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.Fa "int"
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.Fc
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.Sh DESCRIPTION
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The
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@ -101,7 +101,7 @@ Similarly,
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.Nm net80211
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handles activities such as background scanning and power save mode,
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frames will not be sent to a driver unless it is operating on the
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BSS channel will
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BSS channel with
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.Dq full power .
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.Pp
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All frames passed to a driver for transmit hold a reference to a
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@ -119,7 +119,7 @@ and
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.Vt ic_bsschan
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are guaranteed to be usable.
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.It Dv IEEE80211_S_CSA
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Channel Switch Annoucememnt (CSA) is pending.
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Channel Switch Announcement (CSA) is pending.
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This state is reached only from
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.Dv IEEE80211_S_RUN
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when either a CSA is received from an access point (in station mode)
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@ -229,11 +229,11 @@ handled by
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or, in the case of card eject or vap destroy,
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work will be initiated outside the driver.
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.Sh SEE ALSO
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.Xr ioctl 2
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.Xr ioctl 2 ,
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.Xr wpa_supplicant 8 ,
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.Xr ieee80211 9 ,
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.Xr ifnet 9
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.Xr ifnet 9 ,
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.Xr taskqueue 9
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.Xr wpa_supplicant 8
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.Sh HISTORY
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The state machine concept was part of the original
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.Nm ieee80211
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@ -198,11 +198,11 @@ RF noise power at the antenna, in decibels difference from 1mW.
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.\"power as unitless distance from maximum power set at factory calibration.
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.\"0 indicates maximum transmit power.
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.\"Monotonically nondecreasing with lower power levels.
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\.".It Dv IEEE80211_RADIOTAP_DB_TX_ATTENUATION
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\."This field contains a single unsigned 16-bit value, expressing transmit
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\."power as decibel distance from maximum power set at factory calibration.
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\."0 indicates maximum transmit power.
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\."Monotonically nondecreasing with lower power levels.
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.\".It Dv IEEE80211_RADIOTAP_DB_TX_ATTENUATION
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.\"This field contains a single unsigned 16-bit value, expressing transmit
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.\"power as decibel distance from maximum power set at factory calibration.
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.\"0 indicates maximum transmit power.
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.\"Monotonically nondecreasing with lower power levels.
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.It Dv IEEE80211_RADIOTAP_DBM_TX_POWER
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Transmit power expressed as decibels from a 1mW reference.
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This field is a single signed 8-bit value.
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@ -223,9 +223,9 @@ This field contains a single unsigned 8-bit value that indicates the
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RF noise power at the antenna, in decibels difference from an
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arbitrary, fixed reference.
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.It Dv IEEE80211_RADIOTAP_XCHANNEL
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This field containts four values: a 32-bit unsigned bitmap of
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This field contains four values: a 32-bit unsigned bitmap of
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flags that describe the channel attributes, a 16-bit unsigned
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freqeuncy in MHz (typically the channel center), an 8-bit
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frequency in MHz (typically the channel center), an 8-bit
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unsigned IEEE channel number, and a signed 8-bit value that
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holds the maximum regulatory transmit power cap in .5 dBm
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(8 bytes total).
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@ -237,10 +237,10 @@ This property supersedes
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.Dv IEEE80211_RADIOTAP_CHANNEL
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and is the only way to completely express all
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channel attributes and the
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mapping between channel freqeuncy and IEEE channel number.
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mapping between channel frequency and IEEE channel number.
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.El
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.Sh EXAMPLES
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Radiotap receive definitions for the Intersil Prims driver:
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Radiotap receive definitions for the Intersil Prism driver:
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.Bd -literal -offset indent
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#define WI_RX_RADIOTAP_PRESENT \\
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((1 << IEEE80211_RADIOTAP_TSFT) \\
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@ -298,7 +298,6 @@ definitions first appeared in
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.\"
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.Sh AUTHORS
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.An -nosplit
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.Pp
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The original version of this manual page was written by
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.An Bruce M. Simpson Aq bms@FreeBSD.org
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and
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@ -112,7 +112,7 @@ routine.
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This should be done whenever the channel table contents are modified.
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.Pp
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The
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.Fn ieee80211_alloc_countrie
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.Fn ieee80211_alloc_countryie
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function allocates an information element as specified by 802.11h.
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Because this is expensive to generate it is cached in
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.Vt ic_countryie
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@ -140,4 +140,4 @@ The exact rules by which to operate are still being codified.
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.Sh SEE ALSO
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.Xr regdomain 5 ,
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.Xr ifconfig 8 ,
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.Xr ieee80211 9 .
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.Xr ieee80211 9
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@ -347,4 +347,4 @@ request.
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.Sh SEE ALSO
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.Xr ioctl 2 ,
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.Xr ieee80211 9 .
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.Xr ieee80211_proto 9 .
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.Xr ieee80211_proto 9
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@ -151,4 +151,4 @@ that beacon are stopped before stopping the hardware timers).
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.Sh SEE ALSO
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.Xr ieee80211 9 ,
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.Xr ifnet 9 ,
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.Xr malloc 9 .
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.Xr malloc 9
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