commits July 2017

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[doc] backup-redmine/2017-07-13, master: doc: attachments/batman_logo_menu.png (42d76e7b)
by postmaster＠open-mesh.org 14 Jul '17

14 Jul '17

Repository : ssh://git@open-mesh.org/doc On branches: backup-redmine/2017-07-13,master >--------------------------------------------------------------- commit 42d76e7b01e99c2e5bef2a981586371dc6a1686e Author: Antonio Quartulli <a(a)unstable.cc> Date: Sun Apr 15 16:31:50 2012 +0000 doc: attachments/batman_logo_menu.png >--------------------------------------------------------------- 42d76e7b01e99c2e5bef2a981586371dc6a1686e attachments/batman_logo_menu.png | Bin 0 -> 7555 bytes 1 file changed, 0 insertions(+), 0 deletions(-) diff --git a/attachments/batman_logo_menu.png b/attachments/batman_logo_menu.png new file mode 100644 index 00000000..47662119 Binary files /dev/null and b/attachments/batman_logo_menu.png differ

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[doc] backup-redmine/2017-07-13, master: doc: batman-adv/Doc-overview (eb272f24)
by postmaster＠open-mesh.org 14 Jul '17

14 Jul '17

Repository : ssh://git@open-mesh.org/doc On branches: backup-redmine/2017-07-13,master >--------------------------------------------------------------- commit eb272f24d7affdbb24364f748ca53e553f73753f Author: Marek Lindner <mareklindner(a)neomailbox.ch> Date: Sat Apr 14 22:34:34 2012 +0000 doc: batman-adv/Doc-overview >--------------------------------------------------------------- eb272f24d7affdbb24364f748ca53e553f73753f batman-adv/Doc-overview.textile | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/batman-adv/Doc-overview.textile b/batman-adv/Doc-overview.textile index c402ba14..959ce6b4 100644 --- a/batman-adv/Doc-overview.textile +++ b/batman-adv/Doc-overview.textile @@ -15,7 +15,7 @@ h2. Features * [[gateways|Gateway support]] - How batman-adv can be used to choose the nearest internet gateway node. * [[bridge-loop-avoidance|Bridge loop avoidance]] - Document explaining the bridge loop avoidance implemented in batman-adv. -* [[multi-link-optimize|Multi-Link Optimization]] - how to optimize traffic by using multiple links +* [[multi-link-optimizations|Multi-Link Optimizations]] - how to optimize traffic by using multiple links * [[VisAdv|Visualizing the 2nd layer]] - Creating graphics of the layer 2 network and differences to the layer 3 vis output explained. * [[ap-isolation|AP Isolation]] - How to prevent wifi-client to wifi-client communication. @@ -36,7 +36,7 @@ h2. Protocol Documentation * [[open-mesh:BATMANConcept|B.A.T.M.A.N. Concept]] - get an overview about B.A.T.M.A.N.'s main concepts * [[open-mesh:routing_scenarios|Routing scenarios]] - a collection of routing scenarios a routing protocol should be able to handle -* [[bonding-alternating|Bonding and Interface Alternating]] - Use multiple links in batman-adv for fun and profit. +* [[multi-link-optimizations-technical|Multi-Link Optimizations]] - Use multiple links in batman-adv for fun and profit (technical documentation) * [[Client-announcement|Client announcement]] - how batman-adv handles non-mesh clients bridged into the mesh * [[Client-roaming|Client roaming]] - non-mesh clients moving from one mesh node to the next * [[TT-Flags|TT Flags]] - explanation for internal flags used by the translation table code

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[doc] backup-redmine/2017-07-13, master: doc: batman-adv/TVLV (10c9693a)
by postmaster＠open-mesh.org 14 Jul '17

14 Jul '17

Repository : ssh://git@open-mesh.org/doc On branches: backup-redmine/2017-07-13,master >--------------------------------------------------------------- commit 10c9693a0d75f474e92c193205a66dd8725aaaec Author: Spyros Gasteratos <spyrosgaster(a)gmail.com> Date: Sat Apr 14 22:27:28 2012 +0000 doc: batman-adv/TVLV >--------------------------------------------------------------- 10c9693a0d75f474e92c193205a66dd8725aaaec batman-adv/TVLV.textile | 65 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) diff --git a/batman-adv/TVLV.textile b/batman-adv/TVLV.textile index 74d0b54c..85f1e916 100644 --- a/batman-adv/TVLV.textile +++ b/batman-adv/TVLV.textile @@ -53,6 +53,71 @@ BUT there exists something even better :-) our favorite kernel already provides capabilities to create and parse tlvs transparently "/net/netlink":http://lxr.linux.no/#linux+v3.3.2/include/net/netlink.h +So there are the following functions which could be proven helpful + +Message Construction: + +<pre> + + nlmsg_new() create a new netlink message + nlmsg_put() add a netlink message to an skb + nlmsg_put_answer() callback based nlmsg_put() + nlmsg_end() finalize netlink message + nlmsg_get_pos() return current position in message + nlmsg_trim() trim part of message + nlmsg_cancel() cancel message construction + nlmsg_free() free a netlink message + </pre> + + Message Sending: + +<pre> + nlmsg_multicast() multicast message to several groups + nlmsg_unicast() unicast a message to a single socket + nlmsg_notify() send notification message + </pre> + + Message Length Calculations: + +<pre> + nlmsg_msg_size(payload) length of message w/o padding + nlmsg_total_size(payload) length of message w/ padding + nlmsg_padlen(payload) length of padding at tail + </pre> + + Message Payload Access: + +<pre> + nlmsg_data(nlh) head of message payload + nlmsg_len(nlh) length of message payload + nlmsg_attrdata(nlh, hdrlen) head of attributes data + nlmsg_attrlen(nlh, hdrlen) length of attributes data + </pre> + Message Parsing: + +<pre> + nlmsg_ok(nlh, remaining) does nlh fit into remaining bytes? + nlmsg_next(nlh, remaining) get next netlink message + nlmsg_parse() parse attributes of a message + nlmsg_find_attr() find an attribute in a message + nlmsg_for_each_msg() loop over all messages + nlmsg_validate() validate netlink message incl. attrs + nlmsg_for_each_attr() loop over all attributes + </pre> + +netlinkmsghdr struct + +<pre> +struct nlmsghdr { + __u32 nlmsg_len; /* Length of message including header */ + __u16 nlmsg_type; /* Message content */ + __u16 nlmsg_flags; /* Additional flags */ + __u32 nlmsg_seq; /* Sequence number */ + __u32 nlmsg_pid; /* Sending process port ID */ +}; +</pre> + + (it's actually a very rich api providing even fucntions to nest a tlv message inside another tlv message)

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[doc] backup-redmine/2017-07-13, master: doc: batman-adv/Throughput_meter (51478c9e)
by postmaster＠open-mesh.org 14 Jul '17

14 Jul '17

Repository : ssh://git@open-mesh.org/doc On branches: backup-redmine/2017-07-13,master >--------------------------------------------------------------- commit 51478c9e2efb63451aafe62affb8166793c547ff Author: Edo Monticelli <montik(a)autistici.org> Date: Sat Apr 14 18:47:36 2012 +0000 doc: batman-adv/Throughput_meter >--------------------------------------------------------------- 51478c9e2efb63451aafe62affb8166793c547ff batman-adv/Throughput_meter.textile | 1 + 1 file changed, 1 insertion(+) diff --git a/batman-adv/Throughput_meter.textile b/batman-adv/Throughput_meter.textile new file mode 100644 index 00000000..2fd9f957 --- /dev/null +++ b/batman-adv/Throughput_meter.textile @@ -0,0 +1 @@ +TBD \ No newline at end of file

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[doc] backup-redmine/2017-07-13, master: doc: batman-adv/TVLV (bcfc80d7)
by postmaster＠open-mesh.org 14 Jul '17

14 Jul '17

Repository : ssh://git@open-mesh.org/doc On branches: backup-redmine/2017-07-13,master >--------------------------------------------------------------- commit bcfc80d79cb96386d0db400718a90e83abd32b8c Author: Spyros Gasteratos <spyrosgaster(a)gmail.com> Date: Sat Apr 14 22:18:24 2012 +0000 doc: batman-adv/TVLV >--------------------------------------------------------------- bcfc80d79cb96386d0db400718a90e83abd32b8c batman-adv/TVLV.textile | 26 ++++++++++++++------------ 1 file changed, 14 insertions(+), 12 deletions(-) diff --git a/batman-adv/TVLV.textile b/batman-adv/TVLV.textile index d75656aa..74d0b54c 100644 --- a/batman-adv/TVLV.textile +++ b/batman-adv/TVLV.textile @@ -20,39 +20,41 @@ There are many ways to encode such an element.Each providing different pros/cons First one is BER: This wiki entry describes it pretty godd for a quick overview (and the accompanying paper more thoroughly) - [[http://en.wikipedia.org/wiki/Basic_Encoding_Rules]] +"Ber":http://en.wikipedia.org/wiki/Basic_Encoding_Rules +(Basic Encoding Rules) -Second is DER:[[http://en.wikipedia.org/wiki/Distinguished_Encoding_Rules]] +Second is "DER":http://en.wikipedia.org/wiki/Distinguished_Encoding_Rules +(Distinguished Encoding Rules) it is more restrictive than the first one -Third PER:[[http://en.wikipedia.org/wiki/Packed_Encoding_Rules]] +Third "PER":http://en.wikipedia.org/wiki/Packed_Encoding_Rules +(Packed Encoding Rules) defines some more fields -Finally there is Cer:[[http://en.wikipedia.org/wiki/Canonical_Encoding_Rules]] +Finally there is "Cer":http://en.wikipedia.org/wiki/Canonical_Encoding_Rules -[[http://en.wikipedia.org/wiki/ASN.1]] +They are all part of the "Abstract Notation 1"http://en.wikipedia.org/wiki/ASN.1 -For the record there is already a tlv message parser -[[http://tlve.sourceforge.net/]] +For the record there is already a tlv message parser "Tlve"http://tlve.sourceforge.net/ (the following is an example of ber parsing) - -[[http://tlve.sourceforge.net/examples/ber.rc]] +"link":http://tlve.sourceforge.net/examples/ber.rc We can use either one of the above to encode the tlvs or create our own but I think one of the above is more than adequate - +*+//Update//+* The kernel uses many tlv-like structs (they're all part of netlink.h) -http://lxr.linux.no/#linux+v3.3.2/include/linux/netlink.h +"netlink.h":http://lxr.linux.no/#linux+v3.3.2/include/linux/netlink.h there are some which could be very helpful actually BUT there exists something even better :-) our favorite kernel already provides capabilities to create and parse tlvs transparently -http://lxr.linux.no/#linux+v3.3.2/include/net/netlink.h +"/net/netlink":http://lxr.linux.no/#linux+v3.3.2/include/net/netlink.h (it's actually a very rich api providing even fucntions to nest a tlv message inside another tlv message) + It is importand that everyone shares his opinion on this because once implemented most of the current functionality should be encoded using tlvs and one of the above methods. \ No newline at end of file

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[doc] backup-redmine/2017-07-13, master: doc: batman-adv/TVLV (519297a1)
by postmaster＠open-mesh.org 14 Jul '17

14 Jul '17

1 0

[doc] backup-redmine/2017-07-13, master: doc: batman-adv/TVLV (40d8d19b)
by postmaster＠open-mesh.org 14 Jul '17

14 Jul '17

1 0

[doc] backup-redmine/2017-07-13, master: doc: batman-adv/TVLV (3c87aaac)
by postmaster＠open-mesh.org 14 Jul '17

14 Jul '17

1 0

[doc] backup-redmine/2017-07-13, master: doc: batman-adv/TVLV (4930cf02)
by postmaster＠open-mesh.org 14 Jul '17

14 Jul '17

1 0

[doc] backup-redmine/2017-07-13, master: doc: batman-adv/TVLV (d814b919)
by postmaster＠open-mesh.org 14 Jul '17

14 Jul '17

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commits July 2017