Repository : ssh://git@open-mesh.org/doc

On branches: batman-adv-doc,master

commit 20b175410136361ae725c0eee2e8d124b22e7767 Author: Simon Wunderlich siwu@hrz.tu-chemnitz.de Date: Sun Apr 12 19:14:59 2009 +0200

update documents batman packet types

20b175410136361ae725c0eee2e8d124b22e7767 batman_adv.docbook | 69 ++++++++++++++++++++++++++++++++++++++++-------------- 1 file changed, 52 insertions(+), 17 deletions(-)

diff --git a/batman_adv.docbook b/batman_adv.docbook index 5c6d600e..f89ab2a9 100644 --- a/batman_adv.docbook +++ b/batman_adv.docbook @@ -122,22 +122,32 @@ <entry colname="colB">16-23</entry> <entry colname="col0">Flags</entry> <entry colname="col1">TTL</entry> - <entry namest="col2" nameend="col7">Originator MAC</entry> + <entry colname="col2">Gateway Info</entry> + <entry colname="col3">TQ</entry> + <entry namest="col4" nameend="col5">seqno</entry> + <entry namest="col6" nameend="col7">Originator MAC</entry> </row> <row> <entry colname="colB">24-31</entry> - <entry namest="col0" nameend="col1">Seqno</entry> - <entry colname="col2">Gateway Info</entry> - <entry namest="col3" nameend="col7">(Ethernet padding ...)</entry> + <entry namest="col0" nameend="col3">Originator MAC (cont.)</entry> + <entry namest="col4" nameend="col7">previous sender</entry> + </row> + <row> + <entry colname="colB">32-39</entry> + <entry namest="col0" nameend="col1">previous sender (cont.)</entry> + <entry colname="col2">#HNA entries</entry> + <entry colname="col3">padding</entry> + <entry namest="col4" nameend="col7">HNA entries ...</entry> </row>

+ </tbody> </tgroup> </table> <para> <itemizedlist> <listitem><para> Batman Type - value 0, this is an Originator packet.</para></listitem> - <listitem><para> Version - value 2, only this version is accepted.</para></listitem> + <listitem><para> Version - value 6, only this version is accepted.</para></listitem> <listitem><para> Flags - some Flags which are used in the algorithm: <itemizedlist> <listitem><para>0x80 - Unidirectional Link</para></listitem> @@ -145,9 +155,11 @@ </itemizedlist> </para></listitem> <listitem><para> TTL - Time to Live, decremented on each Hop. If 0, the packet is dropped. </para></listitem> - <listitem><para> Originator MAC - The MAC address of the node which originally released the packet. </para></listitem> - <listitem><para> Seqno - The Sequence Number, the Originator increases this number with each new packet. </para></listitem> <listitem><para> Gateway Info - reserved, classification of the gatway capabilities and quality (connection to the internet).</para></listitem> + <listitem><para> TQ - transmit quality, connection quality to the originator.</para></listitem> + <listitem><para> Seqno - The Sequence Number, the Originator increases this number with each new packet. </para></listitem> + <listitem><para> Originator MAC - The MAC address of the node which originally released the packet. </para></listitem> + <listitem><para> previous sender MAC - The MAC address of the node which sent the packet before. </para></listitem> </itemizedlist> </para> </sect2> @@ -187,12 +199,25 @@ <entry colname="colB">08-15</entry> <entry namest="col0" nameend="col5">(Ethernet header ..)</entry> <entry colname="col6">Batman Type</entry> - <entry colname="col7">message type</entry> + <entry colname="col7">Version</entry> </row> <row> - <entry colname="colB">16-21</entry> - <entry colname="col0">Code</entry> - <entry namest="col1" nameend="col7">(Ethernet padding ...)</entry> + <entry colname="colB">16-23</entry> + <entry colname="col0">Message Type</entry> + <entry namest="col1" nameend="col6">Destination MAC</entry> + <entry namest="col7" nameend="col7">Originator MAC</entry> + </row> + <row> + <entry colname="colB">24-31</entry> + <entry namest="col0" nameend="col4">Originator MAC (cont.)</entry> + <entry colname="col5">TTL</entry> + <entry colname="col6">UID</entry> + <entry namest="col7" nameend="col7">seqno</entry> + </row> + <row> + <entry colname="colB">32-39</entry> + <entry namest="col0" nameend="col0">seqno (cont.)</entry> + <entry namest="col1" nameend="col7">(Ethernet padding ..)</entry> </row>

</tbody> @@ -201,14 +226,20 @@ <para> <itemizedlist> <listitem><para> Batman Type - value 1, this is a message system packet.</para></listitem> + <listitem><para> Version - value 6, only this version is accepted.</para></listitem> <listitem><para> Message Type - same as in ICMP: <itemizedlist> <listitem><para>0 - Echo Reply</para></listitem> + <listitem><para>3 - Destination Unreachable</para></listitem> <listitem><para>8 - Echo Request</para></listitem> <listitem><para>11 - TTL Exceeded</para></listitem> </itemizedlist> </para></listitem> - <listitem><para> Code - distinction of some messages types. Only value 0 so far.</para></listitem> + <listitem><para> Destination MAC - MAC address of the node which should receive the request.</para></listitem> + <listitem><para> Originator MAC - MAC address of the sending node.</para></listitem> + <listitem><para> TTL - Time to Live, decremented on each Hop. If 0, the packet is dropped. </para></listitem> + <listitem><para> UID - unique number to identify the number of the requesting client. </para></listitem> + <listitem><para> seqno - Sequence Number of the request. </para></listitem> </itemizedlist> </para> </sect2> @@ -246,11 +277,13 @@ <entry colname="colB">08-15</entry> <entry namest="col0" nameend="col5">(Ethernet header ..)</entry> <entry colname="col6">Batman Type</entry> - <entry colname="col7">TTL</entry> + <entry colname="col7">Version</entry> </row> <row> <entry colname="colB">16-21</entry> - <entry namest="col0" nameend="col7">(Payload ...)</entry> + <entry namest="col0" nameend="col5">Destination MAC</entry> + <entry colname="col6">TTL</entry> + <entry namest="col7" nameend="col7">(Payload ...)</entry> </row>

</tbody> @@ -259,8 +292,9 @@ <para> <itemizedlist> <listitem><para> Batman Type - value 2, this is a unicast packet.</para></listitem> + <listitem><para> Version - value 6, only this version is accepted.</para></listitem> + <listitem><para> Destination MAC - MAC address of the node which should receive the frame.</para></listitem> <listitem><para> TTL - Time to Live, decremented on each Hop. If 0, the packet is dropped. </para></listitem> - <listitem><para> Payload - The encapsulated Ethernet Frame, received from the virtual interface</para></listitem> </itemizedlist> </para> </sect2> @@ -299,7 +333,7 @@ <entry colname="colB">08-15</entry> <entry namest="col0" nameend="col5">(Ethernet header ..)</entry> <entry colname="col6">Batman Type</entry> - <entry colname="col7">(reserved)</entry> + <entry colname="col7">Version</entry> </row> <row> <entry colname="colB">16-21</entry> @@ -318,6 +352,7 @@ <para> <itemizedlist> <listitem><para> Batman Type - value 2, this is a unicast packet.</para></listitem> + <listitem><para> Version - value 6, only this version is accepted.</para></listitem> <listitem><para> Originator MAC - The MAC address of the node which originally released the packet. </para></listitem> <listitem><para> Seqno - sequence number, the Originator increases this number with each new packet. </para></listitem> </itemizedlist> @@ -333,7 +368,7 @@ <sect1> <title>Usage</title> <para> - TODO Compilation, Installation of batman-adv-kernelland, batman-adv-userspace, battool + TODO Compilation, Installation of batman-adv-kernelland, battool TODO Usage batman-adv-userspace: debug output, command line options TODO Usage batman-adv-kernelland: insmod, proc files, log files, visualization