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Fixed document title (should be in all uppercase).

Browse Source 
List all functions in the NAME section so they appear in whatis(1).
Assorted fixes (mostly markup).
This commit is contained in:
Ruslan Ermilov 2004-07-07 12:59:39 +00:00
parent 3b579c6e63
commit 2e77778053
8 changed files with 159 additions and 94 deletions
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60
share/man/man9/ieee80211.9
View File

@ -28,10 +28,15 @@
.\" $Id: ieee80211.9,v 1.5 2004/03/04 12:33:27 bruce Exp $
.\"
.Dd March 2, 2004
.Dt ieee80211 9
.Dt IEEE80211 9
.Os
.Sh NAME
.Nm ieee80211
.Nm ieee80211_ifattach , ieee80211_ifdetach ,
.Nm ieee80211_mhz2ieee , ieee80211_chan2ieee , ieee80211_ieee2mhz ,
.Nm ieee80211_media_init , ieee80211_media_change , ieee80211_media_status ,
.Nm ieee80211_watchdog ,
.Nm ieee80211_setmode , ieee80211_chan2mode ,
.Nm ieee80211_rate2media , ieee80211_media2rate
.Nd core 802.11 network stack functions
.Sh SYNOPSIS
.In net80211/ieee80211_var.h
@ -46,6 +51,11 @@
.Fn ieee80211_chan2ieee "struct ieee80211com *ic" "struct ieee80211_channel *c"
.Ft u_int
.Fn ieee80211_ieee2mhz "u_int chan" "u_int flags"
.Ft void
.Fo ieee80211_media_init
.Fa "struct ifnet *ifp" "ifm_change_cb_t media_change"
.Fa "ifm_stat_cb_t media_stat"
.Fc
.Fa int
.Fn ieee80211_media_change "struct ifnet *ifp"
.Fa void
@ -55,14 +65,18 @@
.Ft int
.Fn ieee80211_setmode "struct ieee80211com *ic" "enum ieee80211_phymode mode"
.Ft enum ieee80211_phymode
.Fn ieee80211_chan2mode "struct ieee80211com *ic" "struct ieee80211_channel *chan"
.Fo ieee80211_chan2mode
.Fa "struct ieee80211com *ic" "struct ieee80211_channel *chan"
.Fc
.Ft int
.Fn ieee80211_rate2media "struct ieee80211com *ic" "int rate" "enum ieee80211_phymode mode"
.Fo ieee80211_rate2media
.Fa "struct ieee80211com *ic" "int rate" "enum ieee80211_phymode mode"
.Fc
.Ft int
.Fn ieee80211_media2rate "int mword"
.Sh DESCRIPTION
The
.Nm
.Nm ieee80211
collection of functions are used to manage wireless network interfaces in the
system which use the system's software 802.11 network stack.
Most of these functions require that attachment to the stack is performed
@ -77,7 +91,7 @@ function attaches the network interface
.Fa ifp
to the 802.11 network stack layer.
This function must be called before using any of the
.Nm
.Nm ieee80211
functions which need to store driver state across invocations;
The
.Vt struct ifnet
@ -86,7 +100,7 @@ instance pointed to by
MUST be an instance of
.Vt struct ieee80211com ,
with various fields initialized to tell
.Nm
.Nm ieee80211
about its capabilities.
This function performs Ethernet and BPF attachment (by calling
.Fn ether_ifattach
@ -101,7 +115,7 @@ interface.
The
.Fn ieee80211_ifdetach
function frees any
.Nm
.Nm ieee80211
structures associated with the driver, and performs Ethernet and BPF
detachment on behalf of the caller.
.Pp
@ -114,10 +128,10 @@ utility function converts the frequency
The
.Fa flags
argument is a hint which specifies whether the frequency is in
the 2GHz ISM band (
.Vt IEEE80211_CHAN_2GHZ )
or the 5GHz band (
.Vt IEEE80211_CHAN_5GHZ ) ;
the 2GHz ISM band
.Pq Vt IEEE80211_CHAN_2GHZ
or the 5GHz band
.Pq Vt IEEE80211_CHAN_5GHZ ;
appropriate clipping of the result is then performed.
.Pp
.\"
@ -130,7 +144,7 @@ to an IEEE channel number for the driver
If the conversion would be invalid, an error message is printed to the
system console.
This function REQUIRES that the driver is hooked up to the
.Nm
.Nm ieee80211
subsystem.
.Pp
.\"
@ -142,10 +156,10 @@ to a frequency (in MHz).
The
.Fa flags
argument is a hint which specifies whether the frequency is in
the 2GHz ISM band (
.Vt IEEE80211_CHAN_2GHZ )
or the 5GHz band (
.Vt IEEE80211_CHAN_5GHZ ) ;
the 2GHz ISM band
.Pq Vt IEEE80211_CHAN_2GHZ
or the 5GHz band
.Pq Vt IEEE80211_CHAN_5GHZ ;
appropriate clipping of the result is then performed.
.Pp
.\"
@ -158,7 +172,7 @@ interface, for the driver
It must be called by the driver after calling
.Fn ieee80211_attach
and before calling most
.Nm
.Nm ieee80211
functions.
The
.Fa media_change
@ -183,7 +197,7 @@ commands and are not intended to be called directly.
The
.Fn ieee80211_watchdog
function is intended to be called from a driver's
.Vt if_watchdog
.Va if_watchdog
routine.
It is used to perform periodic cleanup of state within the software 802.11
stack, as well as timing out scans.
@ -208,8 +222,8 @@ beacons, for example.
The
.Fn ieee80211_rate2media
function converts the bit rate
.Fa rate (
measured in units of 0.5Mbps) to an
.Fa rate
(measured in units of 0.5Mbps) to an
.Vt ifmedia
sub-type, for the device
.Fa ic
@ -221,7 +235,6 @@ performs the reverse of this conversion, returning the bit rate (in 0.5Mbps
units) corresponding to an
.Vt ifmedia
sub-type.
.Pp
.\"
.Sh SEE ALSO
.Xr ieee80211_crypto 9 ,
@ -234,12 +247,13 @@ sub-type.
.Xr ifnet 9
.Sh HISTORY
The
.Nm
.Nm ieee80211
series of functions first appeared in
.Nx 1.5 ,
and were later ported to
.Fx 4.6 .
.Sh AUTHORS
.An -nosplit
This man page was written by
.An Bruce M. Simpson Aq bms@FreeBSD.org
and

12
share/man/man9/ieee80211_crypto.9
View File

@ -28,10 +28,10 @@
.\" $Id: ieee80211_crypto.9,v 1.3 2004/03/04 10:42:56 bruce Exp $
.\"
.Dd March 2, 2004
.Dt ieee80211_crypto 9
.Dt IEEE80211_CRYPTO 9
.Os
.Sh NAME
.Nm ieee80211_crypto
.Nm ieee80211_crypto_attach , ieee80211_crypto_detach , ieee80211_wep_crypt
.Nd 802.11 WEP encryption functions
.Sh SYNOPSIS
.Ft void
@ -41,9 +41,7 @@
.Ft struct mbuf *
.Fn ieee80211_wep_crypt "struct ifnet *ifp" "struct mbuf *m0" "int txflag"
.Sh DESCRIPTION
The
.Nm
collection of functions provide software encryption support
These functions provide software encryption support
for 802.11 device drivers.
.Pp
.\"
@ -74,6 +72,7 @@ The
argument specifies whether the frame is being received or transmitted.
A value of 0 indicates that the frame is being received and should
therefore be decrypted; a non-zero value indicates that the frame
is being transmitted
and should be encrypted.
.\"
.Sh IMPLEMENTATION NOTES
@ -90,12 +89,13 @@ instance.
.Xr ifnet 9
.Sh HISTORY
The
.Nm
.Nm ieee80211
series of functions first appeared in
.Nx 1.5 ,
and were later ported to
.Fx 4.6 .
.Sh AUTHORS
.An -nosplit
This man page was written by
.An Bruce M. Simpson Aq bms@FreeBSD.org
and

23
share/man/man9/ieee80211_input.9
View File

@ -28,23 +28,28 @@
.\" $Id: ieee80211_input.9,v 1.6 2004/03/04 12:33:27 bruce Exp $
.\"
.Dd March 2, 2004
.Dt ieee80211 9
.Dt IEEE80211_INPUT 9
.Os
.Sh NAME
.Nm ieee80211
.Nd core 802.11 network stack functions
.Nm ieee80211_input , ieee80211_decap , ieee80211_recv_mgmt
.Nd software 802.11 stack input functions
.Sh SYNOPSIS
.In net80211/ieee80211_var.h
.In net80211/ieee80211_proto.h
.Ft void
.Fn ieee80211_input "struct ifnet *ifp" "struct mbuf *m" "struct ieee80211_node *ni" "int rssi" "u_int32_t rstamp"
.Fo ieee80211_input
.Fa "struct ifnet *ifp" "struct mbuf *m" "struct ieee80211_node *ni"
.Fa "int rssi" "u_int32_t rstamp"
.Fc
.Ft struct mbuf *
.Fn ieee80211_decap "struct ifnet *ifp" "struct mbuf *m"
.Ft void
.Fn ieee80211_recv_mgmt "struct ieee80211com *ic" "struct mbuf *m0" "struct ieee80211_node *ni" "int subtype" "int rssi" "u_int32_t rstamp"
.Fo ieee80211_recv_mgmt
.Fa "struct ieee80211com *ic" "struct mbuf *m0" "struct ieee80211_node *ni"
.Fa "int subtype" "int rssi" "u_int32_t rstamp"
.Fc
.Sh DESCRIPTION
The
.Nm
These
functions process received 802.11 frames.
.Pp
.\"
@ -87,19 +92,19 @@ The
performs input processing for 802.11 management frames.
It is typically called from within
.Fn ieee80211_input .
.Pp
.\"
.Sh SEE ALSO
.Xr ieee80211 9 ,
.Xr ifnet 9
.Sh HISTORY
The
.Nm
.Nm ieee80211
series of functions first appeared in
.Nx 1.5 ,
and were later ported to
.Fx 4.6 .
.Sh AUTHORS
.An -nosplit
This man page was written by
.An Bruce M. Simpson Aq bms@FreeBSD.org
and

19
share/man/man9/ieee80211_ioctl.9
View File

@ -28,10 +28,10 @@
.\" $Id: ieee80211_ioctl.9,v 1.5 2004/03/04 12:33:27 bruce Exp $
.\"
.Dd March 2, 2004
.Dt ieee80211_ioctl 9
.Dt IEEE80211_IOCTL 9
.Os
.Sh NAME
.Nm ieee80211_ioctl
.Nm ieee80211_cfgget , ieee80211_cfgset , ieee80211_ioctl
.Nd 802.11 interface ioctl commands
.Sh SYNOPSIS
.In net80211/ieee80211_var.h
@ -44,8 +44,7 @@
.Ft int
.Fn ieee80211_ioctl "struct ifnet *ifp" "u_long cmd" "caddr_t data"
.Sh DESCRIPTION
The
.Nm
These
functions are typically invoked by drivers in response to requests
for information or to change settings from the userland.
.Pp
@ -66,19 +65,18 @@ utility.
The
.Fn ieee80211_ioctl
function provides a default implementation of the
.Vt SIOCS80211
.Dv SIOCS80211
and
.Vt SIOCG80211
.Dv SIOCG80211
ifioctls commands for 802.11 drivers.
The call signature is identical to that of the
.Vt if_ioctl
.Va if_ioctl
member found in
.Vt struct ifnet ,
however, many drivers store attributes such as
.Vt IEEE80211_IOC_STATIONNAME
.Dv IEEE80211_IOC_STATIONNAME
in the driver's private soft state structure, so driver writers may prefer
to use this as the catch-all in a switch statement to avoid code duplication.
.Pp
.\"
.Sh SEE ALSO
.Xr owi 4 ,
@ -88,12 +86,13 @@ to use this as the catch-all in a switch statement to avoid code duplication.
.Xr ifnet 9
.Sh HISTORY
The
.Nm
.Nm ieee80211
series of functions first appeared in
.Nx 1.5 ,
and were later ported to
.Fx 4.6 .
.Sh AUTHORS
.An -nosplit
This man page was written by
.An Bruce M. Simpson Aq bms@FreeBSD.org
and

64
share/man/man9/ieee80211_node.9
View File

@ -28,10 +28,24 @@
.\" $Id: ieee80211_node.9,v 1.6 2004/03/04 12:33:27 bruce Exp $
.\"
.Dd July 4, 2004
.Dt ieee80211_node 9
.Dt IEEE80211_NODE 9
.Os
.Sh NAME
.Nm ieee80211_node
.Nm ieee80211_node_attach ,
.Nm ieee80211_node_lateattach ,
.Nm ieee80211_node_detach ,
.Nm ieee80211_begin_scan ,
.Nm ieee80211_next_scan ,
.Nm ieee80211_create_ibss ,
.Nm ieee80211_end_scan ,
.Nm ieee80211_alloc_node ,
.Nm ieee80211_dup_bss ,
.Nm ieee80211_find_node ,
.Nm ieee80211_lookup_node ,
.Nm ieee80211_free_node ,
.Nm ieee80211_free_allnodes ,
.Nm ieee80211_timeout_nodes ,
.Nm ieee80211_iterate_nodes
.Nd software 802.11 stack node management functions
.Sh SYNOPSIS
.In net80211/ieee80211_var.h
@ -48,7 +62,9 @@
.Ft void
.Fn ieee80211_next_scan "struct ifnet *ifp"
.Ft void
.Fn ieee80211_create_ibss "struct ieee80211com *ic" "struct ieee80211_channel *chan"
.Fo ieee80211_create_ibss
.Fa "struct ieee80211com *ic" "struct ieee80211_channel *chan"
.Fc
.Ft void
.Fn ieee80211_end_scan "struct ifnet *ifp"
.Ft struct ieee80211_node *
@ -58,7 +74,10 @@
.Ft struct ieee80211_node *
.Fn ieee80211_find_node "struct ieee80211com *ic" "u_int8_t *macaddr"
.Ft struct ieee80211_node *
.Fn ieee80211_lookup_node "struct ieee80211com *ic" "u_int8_t *macaddr" "struct ieee80211_channel *chan"
.Fo ieee80211_lookup_node
.Fa "struct ieee80211com *ic" "u_int8_t *macaddr"
.Fa "struct ieee80211_channel *chan"
.Fc
.Ft void
.Fn ieee80211_free_node "struct ieee80211com *ic" "struct ieee80211_node *ni"
.Ft void
@ -66,11 +85,11 @@
.Ft void
.Fn ieee80211_timeout_nodes "struct ieee80211com *ic"
.Ft void
.Fn ieee80211_iterate_nodes "struct ieee80211com *ic" "ieee80211_iter_func *f" "void *arg"
.Fo ieee80211_iterate_nodes
.Fa "struct ieee80211com *ic" "ieee80211_iter_func *f" "void *arg"
.Fc
.Sh DESCRIPTION
The
.Nm
collection of functions are used to manage node lists within the software
These functions are used to manage node lists within the software
802.11 stack.
These lists are typically used for implementing host-mode AP functionality,
or providing signal quality information about neighbouring nodes.
@ -93,13 +112,13 @@ and prior to any other call which may allocate a node.
The
.Fn ieee80211_node_lateattach
function initialises the
.Dv ic_bss
.Va ic_bss
node element of the interface
.Fa ifp
during
.Xr ieee80211_media_init 9 .
This late attachment is to account for certain special cases described under
.Xr ieee80211_node_attach 9 .
.Fn ieee80211_node_attach .
.Pp
.\"
The
@ -166,14 +185,16 @@ requested from userland.
The
.Fn ieee80211_alloc_node
function allocates an instance of
.Dv struct ieee80211_node
.Vt "struct ieee80211_node"
for a node having the MAC address
.Fa macaddr ,
and associates it with the interface
.Fa ic .
If the allocation is successful, the node structure is initialised by
.Fn ieee80211_setup_node ;
otherwise, NULL is returned.
otherwise,
.Dv NULL
is returned.
.Pp
.\"
The
@ -186,7 +207,9 @@ associated with the interface
.Fa ic .
If the allocation is successful, the node structure is initialised by
.Fn ieee80211_setup_node ;
otherwise, NULL is returned.
otherwise,
.Dv NULL
is returned.
.Pp
.\"
The
@ -196,7 +219,9 @@ function will iterate through the node list associated with the interface
searching for a node entry which matches
.Fa macaddr .
If the entry is found, its reference count is incremented, and
a pointer to the node is returned; otherwise, NULL will be returned.
a pointer to the node is returned; otherwise,
.Dv NULL
will be returned.
.Pp
.\"
The
@ -207,7 +232,9 @@ with an additional argument
.Fa chan
which is used to specify a channel for the match.
If the entry is found, its reference count is incremented, and
a pointer to the node is returned; otherwise, NULL will be returned.
a pointer to the node is returned; otherwise,
.Dv NULL
will be returned.
.Pp
.\"
The
@ -217,7 +244,8 @@ function will remove the node
from the node database entries associated with the interface
.Fa ic ,
and free any memory associated with the node.
This private method can be overridden in ieee80211_node_attach.
This private method can be overridden in
.Fn ieee80211_node_attach .
.\"
.Pp
The
@ -246,19 +274,19 @@ for all nodes in the node database associated with the interface
The callback is invoked with the with the user-supplied value
.Fa arg
and a pointer to the current node.
.Pp
.\"
.Sh SEE ALSO
.Xr ieee80211 9 ,
.Xr ifnet 9
.Sh HISTORY
The
.Nm
.Nm ieee80211
series of functions first appeared in
.Nx 1.5 ,
and were later ported to
.Fx 4.6 .
.Sh AUTHORS
.An -nosplit
This man page was written by
.An Bruce M. Simpson Aq bms@FreeBSD.org
and

35
share/man/man9/ieee80211_output.9
View File

@ -28,26 +28,29 @@
.\" $Id: ieee80211_output.9,v 1.5 2004/03/04 12:31:18 bruce Exp $
.\"
.Dd March 2, 2004
.Dt ieee80211_output 9
.Dt IEEE80211_OUTPUT 9
.Os
.Sh NAME
.Nm ieee80211_output
.Nm ieee80211_encap , ieee80211_add_rates ,
.Nm ieee80211_add_xrates , ieee80211_send_mgmt
.Nd software 802.11 stack output functions
.Sh SYNOPSIS
.In net80211/ieee80211_var.h
.In net80211/ieee80211_proto.h
.Ft struct mbuf *
.Fn ieee80211_encap "struct ifnet *ifp" "struct mbuf *m" "struct ieee80211_node **pni"
.Fo ieee80211_encap
.Fa "struct ifnet *ifp" "struct mbuf *m" "struct ieee80211_node **pni"
.Fc
.Ft u_int8_t *
.Fn ieee80211_add_rates "u_int8_t *frm" "const struct ieee80211_rateset *rs"
.Ft u_int8_t *
.Fn ieee80211_add_xrates "u_int8_t *frm" "const struct ieee80211_rateset *rs"
.Ft int
.Fn ieee80211_send_mgmt "struct ieee80211com *ic" "struct ieee80211_node *ni" "int type" "int arg"
.Fo ieee80211_send_mgmt
.Fa "struct ieee80211com *ic" "struct ieee80211_node *ni" "int type" "int arg"
.Fc
.Sh DESCRIPTION
The
.Nm
series of functions handle the encapsulation and transmission of 802.11 frames
These functions handle the encapsulation and transmission of 802.11 frames
within the software 802.11 stack.
.Pp
The
@ -64,14 +67,19 @@ is a reference to the destination node.
If the function is successful, the mbuf chain is updated with the
802.11 frame header prepended, and a pointer to the head of the chain
is returned.
If an error occurs, NULL will be returned, and
If an error occurs,
.Dv NULL
will be returned, and
.Fa *pni
is also set to NULL.
is also set to
.Dv NULL .
The caller is responsible for freeing the node reference if
.Fa *pni
is non-NULL on return.
is
.Pf non- Dv NULL
on return.
The convention is that
.Vt ic_bss
.Va ic_bss
is not reference counted; the caller is responsible for maintaining this
reference count.
.Pp
@ -116,7 +124,7 @@ a status code for [re]association operations,
or a reason for deauthentication and deassociation operations.
.Pp
Nodes other than
.Vt ic_bss
.Va ic_bss
have their reference count incremented to reflect their use for an
indeterminate amount of time.
This reference is freed when the function returns.
@ -130,12 +138,13 @@ available, the function returns
.Xr ifnet 9
.Sh HISTORY
The
.Nm
.Nm ieee80211
series of functions first appeared in
.Nx 1.5 ,
and were later ported to
.Fx 4.6 .
.Sh AUTHORS
.An -nosplit
This man page was written by
.An Bruce M. Simpson Aq bms@FreeBSD.org
and

17
share/man/man9/ieee80211_proto.9
View File

@ -28,9 +28,14 @@
.\" $Id: ieee80211_proto.9,v 1.5 2004/03/04 12:33:27 bruce Exp $
.\"
.Dd March 2, 2004
.Dt ieee80211_proto 9
.Dt IEEE80211_PROTO 9
.Os
.Sh NAME
.Nm ieee80211_proto_attach ,
.Nm ieee80211_proto_detach ,
.Nm ieee80211_print_essid ,
.Nm ieee80211_dump_pkt ,
.Nm ieee80211_fix_rate ,
.Nm ieee80211_proto
.Nd software 802.11 stack protocol helper functions
.Sh SYNOPSIS
@ -45,10 +50,11 @@
.Ft void
.Fn ieee80211_dump_pkt "u_int8_t *buf" "int len" "int rate" "int rssi"
.Ft int
.Fn ieee80211_fix_rate "struct ieee80211com *ic" "struct ieee80211_node *ni" "int flags"
.Fo ieee80211_fix_rate
.Fa "struct ieee80211com *ic" "struct ieee80211_node *ni" "int flags"
.Fc
.Sh DESCRIPTION
The
.Nm
These
functions are helper functions used throughout the software 802.11 protocol
stack.
.Sh SEE ALSO
@ -56,12 +62,13 @@ stack.
.Xr ifnet 9
.Sh HISTORY
The
.Nm
.Nm ieee80211
series of functions first appeared in
.Nx 1.5 ,
and were later ported to
.Fx 4.6 .
.Sh AUTHORS
.An -nosplit
This man page was written by
.An Bruce M. Simpson Aq bms@FreeBSD.org
and

23
share/man/man9/ieee80211_radiotap.9
View File

@ -29,7 +29,7 @@
.\" $Id: ieee80211_radiotap.9,v 1.3 2004/03/04 11:38:52 bruce Exp $
.\"
.Dd March 2, 2004
.Dt ieee80211_radiotap 9
.Dt IEEE80211_RADIOTAP 9
.Os
.Sh NAME
.Nm ieee80211_radiotap
@ -53,7 +53,7 @@ Radiotap was designed to balance the desire for a capture format
that conserved CPU and memory bandwidth on embedded systems,
with the desire for a hardware-independent, extensible format
that would support the diverse capabilities of virtually all
.Vt 802.11
802.11
radios.
.Pp
These considerations led radiotap to settle on a format consisting of
@ -72,7 +72,7 @@ This information may be used by a variety of user agents, including
It is requested by using the
.Xr bpf 4
data-link type
.Vt DLT_IEEE_80211_RADIO .
.Dv DLT_IEEE_80211_RADIO .
.Pp
.\"
Each frame using this attachment has the following header prepended to it:
@ -89,21 +89,21 @@ struct ieee80211_radiotap_header {
A device driver implementing
.Vt radiotap
typically defines a packed structure embedding an instance of
.Vt struct ieee80211_radiotap_header
.Vt "struct ieee80211_radiotap_header"
at the beginning,
with subsequent fields in the appropriate order,
and a macro to set the bits of the
.Vt it_present
.Va it_present
bitmap to indicate which fields exist and are filled in by the driver.
.\"
.Pp
Radiotap headers are copied to the userland via a separate bpf attachment.
It is necessary for the driver to create this attachment after calling
.Fn ieee80211_ifattach
.Xr ieee80211_ifattach 9
by calling
.Fn bpfattach2
with the data-link type set to
.Vt DLT_IEEE_80211_RADIO .
.Dv DLT_IEEE_80211_RADIO .
.Pp
.\"
When the the information is available,
@ -116,7 +116,7 @@ function.
The following extension fields are defined for
.Vt radiotap ,
in the order in which they should appear in the buffer copied to userland:
.Bl -tag -width ".Dv IEEE80211_RADIOTAP_DB_TX_ATTENUATION"
.Bl -tag -width indent
.It Dv IEEE80211_RADIOTAP_TSFT
This field contains the unsigned 64-bit value, in microseconds,
of the MAC's 802.11 Time Synchronization Function timer,
@ -152,7 +152,9 @@ This field contains a single unsigned 16-bit value, indicating the
quality of the Barker Code lock.
No unit is specified for this field.
There does not appear to be a standard way of measuring this at this time;
this quantity is often referred to as 'Signal Quality' in some datasheets.
this quantity is often referred to as
.Dq "Signal Quality"
in some datasheets.
.It Dv IEEE80211_RADIOTAP_TX_ATTENUATION
This field contains a single unsigned 16-bit value, expressing transmit
power as unitless distance from maximum power set at factory calibration.
@ -186,7 +188,7 @@ This bit is reserved for any future extensions to the
structure.
It should not be used at this time.
.El
.Sh EXAMPLE
.Sh EXAMPLES
Radiotap header for the Cisco Aironet driver:
.Bd -literal -offset indent
struct an_rx_radiotap_header {
@ -221,6 +223,7 @@ and were later ported to
.Fx 4.6 .
.\"
.Sh AUTHORS
.An -nosplit
The
.Nm
interface was designed and implemented by