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Convert the station capabilities variablelist into a more readable table.

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Warren Block 2012-01-31 05:11:07 +00:00
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commit 07cfa35a28
Notes: svn2git 2020-12-08 03:00:23 +00:00 
svn path=/head/; revision=38353
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en_US.ISO8859-1/books/handbook/advanced-networking/chapter.sgml
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@ -976,62 +976,60 @@ freebsdap 00:11:95:c3:0d:ac 1 54M -83:96 100 EPS WPA</screen>
identifies the type of each network and the capabilities identifies the type of each network and the capabilities
of the stations operating there:</para> of the stations operating there:</para>
<variablelist> <table frame="none" pgwide="0">
<varlistentry> <title>Station Capability Codes</title>
<term><literal>E</literal></term>
<listitem> <tgroup cols="2">
<para>Extended Service Set (ESS). Indicates that the <thead>
station is part of an infrastructure network (in <row>
contrast to an IBSS/ad-hoc network).</para> <entry>Capability Code</entry>
</listitem> <entry>Meaning</entry>
</varlistentry> </row>
</thead>
<varlistentry> <tbody>
<term><literal>I</literal></term> <row>
<entry><literal>E</literal></entry>
<entry>Extended Service Set (ESS). Indicates that
the station is part of an infrastructure network
(in contrast to an IBSS/ad-hoc network).</entry>
</row>
<listitem> <row>
<para>IBSS/ad-hoc network. Indicates that the station <entry><literal>I</literal></entry>
is part of an ad-hoc network (in contrast to an ESS <entry>IBSS/ad-hoc network. Indicates that the
network).</para> station is part of an ad-hoc network (in contrast
</listitem> to an ESS network).</entry>
</varlistentry> </row>
<varlistentry> <row>
<term><literal>P</literal></term> <entry><literal>P</literal></entry>
<entry>Privacy. Data confidentiality is required
for all data frames exchanged within the BSS.
This means that this BSS requires the station to
use cryptographic means such as WEP, TKIP or
AES-CCMP to encrypt/decrypt data frames being
exchanged with others.</entry>
</row>
<listitem> <row>
<para>Privacy. Data confidentiality is required for <entry><literal>S</literal></entry>
all data frames exchanged within the BSS. This means <entry>Short Preamble. Indicates that the network
that this BSS requires the station to use is using short preambles (defined in 802.11b High
cryptographic means such as WEP, TKIP or AES-CCMP to Rate/DSSS PHY, short preamble utilizes a 56 bit
encrypt/decrypt data frames being exchanged with sync field in contrast to a 128 bit field used in
others.</para> long preamble mode).</entry>
</listitem> </row>
</varlistentry>
<varlistentry> <row>
<term><literal>S</literal></term> <entry><literal>s</literal></entry>
<entry>Short slot time. Indicates that the 802.11g
<listitem> network is using a short slot time because there
<para>Short Preamble. Indicates that the network is are no legacy (802.11b) stations present.</entry>
using short preambles (defined in 802.11b High </row>
Rate/DSSS PHY, short preamble utilizes a 56 bit sync </tbody>
field in contrast to a 128 bit field used in long </tgroup>
preamble mode).</para> </table>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>s</literal></term>
<listitem>
<para>Short slot time. Indicates that the 802.11g
network is using a short slot time because there are
no legacy (802.11b) stations present.</para>
</listitem>
</varlistentry>
</variablelist>
<para>One can also display the current list of known <para>One can also display the current list of known
networks with:</para> networks with:</para>