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[doc] backup-redmine/2019-09-14, master: doc: batman-adv/Gateways: Added batman_v explanation to the gw.sel_class (0c49098)
by postmaster＠open-mesh.org 15 Sep '19

15 Sep '19

Repository : ssh://git@open-mesh.org/doc On branches: backup-redmine/2019-09-14,master >--------------------------------------------------------------- commit 0c49098cc880edb16d37c44688dc8963fcb19c86 Author: Ruben Barkow <freifunk(a)r.z11.de> Date: Fri Nov 23 19:26:12 2018 +0000 doc: batman-adv/Gateways: Added batman_v explanation to the gw.sel_class >--------------------------------------------------------------- 0c49098cc880edb16d37c44688dc8963fcb19c86 batman-adv/Gateways.textile | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/batman-adv/Gateways.textile b/batman-adv/Gateways.textile index 65e2ea2..a4f9829 100644 --- a/batman-adv/Gateways.textile +++ b/batman-adv/Gateways.textile @@ -1,11 +1,11 @@ h1. Batman-adv gateways -Often batman-adv is used to cover a bigger area with wireless access to the internet where several nodes have internet access while the other nodes try to find the best route towards one of the gateways. In this case it is desirable that the routing protocol helps with the decision to find the best path since it already knows the topology of the network. +Often batman-adv is used to cover a bigger area with wireless access to the internet where several nodes have internet access while the other nodes try to find the best route towards one of the gateways. In this case, it is desirable that the routing protocol helps with the decision to find the best path since it already knows the topology of the network. h2. Announcements -To make the internet uplink known in the mesh network, batman-adv allows to enable the so-called 'gateway mode'. The user specified internet uplink bandwidth is propagated in the mesh network using the [[batman-adv:TVLV#Gateway-announcement|gateway TVLVs]]. All other mesh participants receive these announcements and maintain a list of internet gateways in the network (see: [[batman-adv:Understand-your-batman-adv-network#Gateway-table|gateway table]]). +To make the internet uplink known in the mesh network, batman-adv allows enabling the so-called 'gateway mode'. The user specified internet uplink bandwidth is propagated in the mesh network using the [[batman-adv:TVLV#Gateway-announcement|gateway TVLVs]]. All other mesh participants receive these announcements and maintain a list of internet gateways in the network (see: [[batman-adv:Understand-your-batman-adv-network#Gateway-table|gateway table]]). To take advantage of this knowledge, each batman-adv node without an internet connection needs to enable the 'gateway client mode' by choosing one of the available gateway selection strategies (check the "batctl manpage":https://downloads.open-mesh.org/batman/manpages/batctl.8.html for details). If no gateway selection strategy is configured the gateway announcements have no effect on any routing or forwarding decision. @@ -25,7 +25,7 @@ Which gateway will be selected by the client depends on the number of DHCP serve DHCP requests issued by non-mesh clients will not be broadcasted by batman-adv but only sent to the chosen batman-adv gateway via unicast. The DHCP client will then select the gateway batman-adv prefers as only this gateway replied to the request. -To inform clients possessing a valid DHCP release about a gateway change (the link quality to the gateway could have dropped or the client is roaming around) batman-adv will also inspect incoming DHCP renewal packets. If their destination is not the currently selected gateway and below a certain TQ threshold (currently defaulting to a TQ of 50), the DHCP renewal packet is not forwarded, thereby forcing the client to request a new DHCP lease from a better connected gateway. +To inform clients possessing a valid DHCP release about a gateway change (the link quality to the gateway could have dropped or the client is roaming around) batman-adv will also inspect incoming DHCP renewal packets. If their destination is not the currently selected gateway and below a certain TQ threshold (currently defaulting to a TQ of 50), the DHCP renewal packet is not forwarded, thereby forcing the client to request a new DHCP lease from a better-connected gateway. h2. The configuration @@ -39,7 +39,7 @@ Activate the gateway announcements on a node that has a DHCP server running: batctl gw_mode server </pre> -Batman-adv always announces the gateway's internet bandwidth, so that clients can base their decision on the link quality towards the gateway as well as on the available bandwidth. Per default a bandwidth of 10MBit/2MBit is assumed. To configure a download bandwidth of 5Mbit with an upload of 1Mbit run the following command: +Batman-adv always announces the gateway's internet bandwidth, so that clients can base their decision on the link quality towards the gateway as well as on the available bandwidth. Per default, a bandwidth of 10MBit/2MBit is assumed. To configure a download bandwidth of 5Mbit with an upload of 1Mbit run the following command: <pre> batctl gw_mode server 5mbit/1mbit @@ -63,6 +63,9 @@ batctl gw_mode client 20 All available gateway selection classes are thoroughly explained in the "batctl manpage":https://downloads.open-mesh.org/batman/manpages/batctl.8.html. +With B.A.T.M.A.N. V this behavior changed: the value is measured in kbit, for example, if gw_sel_class is set to 1500 the gateway is selected if the TQ is 1500 kbit faster. + + h3. gateway status To see all available gateways and their announced throughput run: @@ -81,4 +84,4 @@ batctl gw_mode h2. Controversy -The subject of manipulating the IP (layer 3) default route with a layer 2 routing protocol has stirred up controversy between those who believe in a clean network layer separation and those who need this functionality. The former claim that a well-designed protocol should not mess with other layers but instead collaborate with tools made for higher layers. The latter group has pointed out that the rule of network layer separation can be bent in real world applications to improve usability. To achieve a compromise the gateway mechanism is disabled per default and only operates on top of DHCP (details below). Feel free to contact us in case you want to propose alternative ideas. +The subject of manipulating the IP (layer 3) default route with a layer 2 routing protocol has stirred up controversy between those who believe in a clean network layer separation and those who need this functionality. The former claim that a well-designed protocol should not mess with other layers but instead collaborate with tools made for higher layers. The latter group has pointed out that the rule of network layer separation can be bent in real-world applications to improve usability. To achieve a compromise the gateway mechanism is disabled per default and only operates on top of DHCP (details below). Feel free to contact us in case you want to propose alternative ideas.

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[doc] backup-redmine/2019-09-14, master: doc: open-mesh/News-draft: switch the release date to today (c1683c7)
by postmaster＠open-mesh.org 15 Sep '19

15 Sep '19

Repository : ssh://git@open-mesh.org/doc On branches: backup-redmine/2019-09-14,master >--------------------------------------------------------------- commit c1683c70ccbce513b321887dcca9ec501d9c8b05 Author: Sven Eckelmann <sven(a)narfation.org> Date: Mon Nov 12 11:09:46 2018 +0000 doc: open-mesh/News-draft: switch the release date to today >--------------------------------------------------------------- c1683c70ccbce513b321887dcca9ec501d9c8b05 open-mesh/News-draft.textile | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/open-mesh/News-draft.textile b/open-mesh/News-draft.textile index 0207bf3..de01c16 100644 --- a/open-mesh/News-draft.textile +++ b/open-mesh/News-draft.textile @@ -1,6 +1,6 @@ h1. DRAFT: Batman-adv 2018.4 released -Nov 13th, 2018. Today the B.A.T.M.A.N. team publishes the November 2018 update to batman-adv, batctl and alfred! This release contains mostly code refactorization in batctl to ease more netlink development in the future. Alfred's IPv4 implementation was polished to better handle missing MAC addresses in the ARP neighbor table. The batman-adv kernel modules now yields better results for TX throughput tests and allows to receive its debug messages via the Linux kernel's tracepoint infrastructure. Accessing the debugfs files will now create warning messages that a different method of retrieving the information should be used. As usual, this release also contains various bugfixes and code cleanups. +Nov 12th, 2018. Today the B.A.T.M.A.N. team publishes the November 2018 update to batman-adv, batctl and alfred! This release contains mostly code refactorization in batctl to ease more netlink development in the future. Alfred's IPv4 implementation was polished to better handle missing MAC addresses in the ARP neighbor table. The batman-adv kernel modules now yields better results for TX throughput tests and allows to receive its debug messages via the Linux kernel's tracepoint infrastructure. Accessing the debugfs files will now create warning messages that a different method of retrieving the information should be used. As usual, this release also contains various bugfixes and code cleanups. As the kernel module always depends on the Linux kernel it is compiled against, it does not make sense to provide binaries on our website. As usual, you will find the signed tarballs in our download section: @@ -62,7 +62,7 @@ bugfixes -2018.4 (2018-11-13) +2018.4 (2018-11-12) =================== * support latest kernels (3.16 - 4.20) @@ -149,7 +149,7 @@ infrastructure to disable commands batctl: Simplify enabling for bisect_iv subcommand batctl: Allow to enable/disable subcommands -2018.4 (2018-11-13) +2018.4 (2018-11-12) =================== * coding style cleanups and refactoring @@ -175,7 +175,7 @@ $ git log --no-merges "${range}"|grep -e '\(Reported\|Tested\|Acked\|Reviewed-by -2018.4 (2018-11-13) +2018.4 (2018-11-12) =================== * bugs squashed:

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[doc] backup-redmine/2019-09-14, master: doc: open-mesh/News-draft (ac8da20)
by postmaster＠open-mesh.org 15 Sep '19

15 Sep '19

Repository : ssh://git@open-mesh.org/doc On branches: backup-redmine/2019-09-14,master >--------------------------------------------------------------- commit ac8da20b40f3d538100273995984c95fe6336d5e Author: Sven Eckelmann <sven(a)narfation.org> Date: Mon Jan 7 09:15:02 2019 +0000 doc: open-mesh/News-draft >--------------------------------------------------------------- ac8da20b40f3d538100273995984c95fe6336d5e open-mesh/News-draft.textile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/open-mesh/News-draft.textile b/open-mesh/News-draft.textile index bc4fc92..df0798a 100644 --- a/open-mesh/News-draft.textile +++ b/open-mesh/News-draft.textile @@ -78,7 +78,7 @@ bugfixes 2019.0 (2019-10-14) =================== -* support latest kernels (3.16 - 4.21) +* support latest kernels (3.16 - 5.0) * coding style cleanups and refactoring * allow to enable debug tracing without full batman-adv debugfs support * enable inconsistency reporting for most netlink dump commands

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[doc] backup-redmine/2019-09-14, master: doc: open-mesh/Download: remove broken debian wheezy links (866c764)
by postmaster＠open-mesh.org 15 Sep '19

15 Sep '19

Repository : ssh://git@open-mesh.org/doc On branches: backup-redmine/2019-09-14,master >--------------------------------------------------------------- commit 866c7641de43ab1f6fa812539e34e117ad070001 Author: Sven Eckelmann <sven(a)narfation.org> Date: Fri Sep 14 17:37:00 2018 +0000 doc: open-mesh/Download: remove broken debian wheezy links >--------------------------------------------------------------- 866c7641de43ab1f6fa812539e34e117ad070001 open-mesh/Download.textile | 3 --- 1 file changed, 3 deletions(-) diff --git a/open-mesh/Download.textile b/open-mesh/Download.textile index 54f7a40..f91a995 100644 --- a/open-mesh/Download.textile +++ b/open-mesh/Download.textile @@ -92,9 +92,6 @@ Use apt-get (or any other dpkg frontend of choice) to install B.A.T.M.A.N. onto * "alfred":https://packages.debian.org/sid/alfred * "batmand":https://packages.debian.org/sid/batmand * "batctl":https://packages.debian.org/sid/batctl -* Debian Wheezy and all newer releases come with batman-adv as part of the kernel, no need to re-install the module manually. For squeeze, check: -** "batman-adv-source":https://packages.debian.org/squeeze/batman-adv-source - batman-advanced kernel 2010.0.0 module source for Debian Squeeze (installable via "module-assistant":https://packages.debian.org/squeeze/module-assistant) -** "batman-adv-dkms":https://packages.debian.org/squeeze/batman-adv-dkms - batman-advanced kernel module 2010.0.0 dkms package for Debian Squeeze to build new modules dynamically (half-automatic) * "linux":https://packages.debian.org/source/unstable/linux - batman-advanced kernel module as "part of the official":https://bugs.debian.org/622361 kernel packages Similar packages are also available through "Ubuntu universe":https://help.ubuntu.com/community/Repositories/Ubuntu .

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[doc] backup-redmine/2019-09-14, master: doc: open-mesh/News-draft (c31270b)
by postmaster＠open-mesh.org 15 Sep '19

15 Sep '19

Repository : ssh://git@open-mesh.org/doc On branches: backup-redmine/2019-09-14,master >--------------------------------------------------------------- commit c31270b82a4d49b117229d95eeb5c06b63c7a6f3 Author: Sven Eckelmann <sven(a)narfation.org> Date: Wed Sep 5 20:15:14 2018 +0000 doc: open-mesh/News-draft >--------------------------------------------------------------- c31270b82a4d49b117229d95eeb5c06b63c7a6f3 open-mesh/News-draft.textile | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/open-mesh/News-draft.textile b/open-mesh/News-draft.textile index 9635497..a53f400 100644 --- a/open-mesh/News-draft.textile +++ b/open-mesh/News-draft.textile @@ -75,7 +75,8 @@ bugfixes * enable the DAT by default for the in-tree Linux module * bugs squashed - - fix segfault when writing to sysfs files under batman_adv/ with CONFIG_BATMAN_ADV_DEBUG enabled + - fix segfault when writing to sysfs files under batman_adv/ with + CONFIG_BATMAN_ADV_DEBUG enabled - avoid information leakage in probe ELP packets </pre>

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[doc] backup-redmine/2019-09-14, master: doc: batman-adv/Faq: add section about vlan questions (53bb9e7)
by postmaster＠open-mesh.org 15 Sep '19

15 Sep '19

Repository : ssh://git@open-mesh.org/doc On branches: backup-redmine/2019-09-14,master >--------------------------------------------------------------- commit 53bb9e7f0b20221cb770f68fca4a76a4e8f8d8ca Author: Sven Eckelmann <sven(a)narfation.org> Date: Sat Feb 23 10:00:58 2019 +0000 doc: batman-adv/Faq: add section about vlan questions >--------------------------------------------------------------- 53bb9e7f0b20221cb770f68fca4a76a4e8f8d8ca batman-adv/Faq.textile | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/batman-adv/Faq.textile b/batman-adv/Faq.textile index 21bc9c3..a8783c8 100644 --- a/batman-adv/Faq.textile +++ b/batman-adv/Faq.textile @@ -142,3 +142,21 @@ h3. What about DHCP server for separate meshes? *Q:* I would like to setup a DHCP server in separate meshes? _Or:_ How can I make two separate meshes use a single DHCP server (using gw_mode feature) in current blaII design? *A:* Each node at the edge to the wired network may announce itself as a gateway, provided that a DHCP server is available in the LAN (or any network behind it, e.g. a mesh). From a concept view, a gateway (or maybe even multiple gateways) in mesh2 will not automatically announced in mesh1 - this must be configured manually, or let batman use Ethernet if this is explicitly required. + + +h2. B.A.T.M.A.N. Advanced - VLAN questions + +h3. VLAN forwarding doesn't work + +*Q*: When I have a bridge which connects an ethernet devices with bat0, VLAN frames from the ethernet interfaces are not forwarded by batman-adv. How is it possible to forward these frames +*A*: batman-adv since 2014.0.0 is VLAN-aware. It is only able to forward VLAN frames when it knows about the VLAN. This can either be done by creating a VLAN device with the correct VID on top of the batadv (bat0) device: + +<pre> +ip link add link bat0 name bat0.23 type vlan id 23 +</pre> + +Or in case of a VLAN-aware bridge, it is better to add the correctly add the VLANs as required to the specific ports: + +<pre> +bridge vlan add vid 23 dev bat0 +</pre> \ No newline at end of file

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[doc] backup-redmine/2019-09-14, master: doc: batman-adv/Compatversion (fc07462)
by postmaster＠open-mesh.org 15 Sep '19

15 Sep '19

Repository : ssh://git@open-mesh.org/doc On branches: backup-redmine/2019-09-14,master >--------------------------------------------------------------- commit fc0746258648d3eaeb12044d228f6cb5dc53ecd1 Author: Sven Eckelmann <sven(a)narfation.org> Date: Sat Dec 29 17:46:47 2018 +0000 doc: batman-adv/Compatversion >--------------------------------------------------------------- fc0746258648d3eaeb12044d228f6cb5dc53ecd1 batman-adv/Compatversion.textile | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/batman-adv/Compatversion.textile b/batman-adv/Compatversion.textile index 8c3fcde..2a863dd 100644 --- a/batman-adv/Compatversion.textile +++ b/batman-adv/Compatversion.textile @@ -5,12 +5,12 @@ COMPAT_VERSION in packet.h is used to identify an incoming packet and check if i Following changes were identified and documented. The changes are to the last COMPAT_VERSION and not to the last change in a branch. So "added xyz on master, removed xyz on next and re-added xyz on master" does only mean that xyz was always there in master, but the version in next dropped that change and thus generated a new COMPAT_VERSION. -| Version | Branch | Changes | +| Version | Releases | Changes | | 1 | (development only) | Initial definitions of batman_packet, icmp_packet, unicast_packet, bcast_packet, ethernet type 0x0842 | | 5 | (development only) | information in batman_packet was reordered, tq, old_orig and hnas were added | | 6 | v0.1 | vis_packet type added, version fields added to each packet, ethernet type changed to 0x4305 | | 7 | (development only) | unused gw flags removed, reordered icmp and batman packet | -| 8 | trunk, v0.2, v0.2.1, v2010.0.0 | source field introduced in vis packets | +| 8 | v0.2, v0.2.1, v2010.0.0 | source field introduced in vis packets | | 9 | (development only) | Gateway flags added to batman_packet, primaries_first_hop flag added for bonding, special icmp messages for route record added | | 10 | (development only) | 32 bit sequence numbers added/changed, ttl were added to broadcasts | | 11 | v2010.1.0 | gateway flags were removed |

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[doc] backup-redmine/2019-09-14, master: doc: open-mesh/News-draft (2b6330c)
by postmaster＠open-mesh.org 15 Sep '19

15 Sep '19

Repository : ssh://git@open-mesh.org/doc On branches: backup-redmine/2019-09-14,master >--------------------------------------------------------------- commit 2b6330c6c35dd6b859e9086f7d6331dfead6e5dc Author: Sven Eckelmann <sven(a)narfation.org> Date: Fri Sep 14 10:40:23 2018 +0000 doc: open-mesh/News-draft >--------------------------------------------------------------- 2b6330c6c35dd6b859e9086f7d6331dfead6e5dc open-mesh/News-draft.textile | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/open-mesh/News-draft.textile b/open-mesh/News-draft.textile index aebb05a..43ba0dd 100644 --- a/open-mesh/News-draft.textile +++ b/open-mesh/News-draft.textile @@ -1,6 +1,6 @@ h1. DRAFT: Batman-adv 2018.3 released -Sep 11th, 2018. Today the B.A.T.M.A.N. team publishes the September 2018 update to batman-adv, batctl and alfred! This release contains mostly bugfixes and code cleanups. +Sep 14th, 2018. Today the B.A.T.M.A.N. team publishes the September 2018 update to batman-adv, batctl and alfred! This release contains mostly bugfixes and code cleanups. As the kernel module always depends on the Linux kernel it is compiled against, it does not make sense to provide binaries on our website. As usual, you will find the signed tarballs in our download section: @@ -73,7 +73,7 @@ bugfixes -2018.3 (2018-09-11) +2018.3 (2018-09-14) =================== * support latest kernels (3.16 - 4.19) @@ -101,7 +101,7 @@ $ git log --no-merges "${range}"|grep -e '\(Reported\|Tested\|Acked\|Reviewed-by -2018.3 (2018-09-11) +2018.3 (2018-09-14) =================== * (no changes) @@ -118,7 +118,7 @@ $ git log --no-merges "${range}"|grep -e '\(Reported\|Tested\|Acked\|Reviewed-by -2018.3 (2018-09-11) +2018.3 (2018-09-14) =================== * (no changes)

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[doc] backup-redmine/2019-09-14, master: doc: open-mesh/News-draft: move release to new date (f753e41)
by postmaster＠open-mesh.org 15 Sep '19

15 Sep '19

Repository : ssh://git@open-mesh.org/doc On branches: backup-redmine/2019-09-14,master >--------------------------------------------------------------- commit f753e4104a5a9a9a77cd8c7bea14c6d0988cb3d4 Author: Sven Eckelmann <sven(a)narfation.org> Date: Mon Nov 12 10:39:03 2018 +0000 doc: open-mesh/News-draft: move release to new date >--------------------------------------------------------------- f753e4104a5a9a9a77cd8c7bea14c6d0988cb3d4 open-mesh/News-draft.textile | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-) diff --git a/open-mesh/News-draft.textile b/open-mesh/News-draft.textile index 770d902..0207bf3 100644 --- a/open-mesh/News-draft.textile +++ b/open-mesh/News-draft.textile @@ -1,6 +1,6 @@ h1. DRAFT: Batman-adv 2018.4 released -Nov 06th, 2018. Today the B.A.T.M.A.N. team publishes the November 2018 update to batman-adv, batctl and alfred! This release contains mostly code refactorization in batctl to ease more netlink development in the future. Alfred's IPv4 implementation was polished to better handle missing MAC addresses in the ARP neighbor table. The batman-adv kernel modules now yields better results for TX throughput tests and allows to receive its debug messages via the Linux kernel's tracepoint infrastructure. Accessing the debugfs files will now create warning messages that a different method of retrieving the information should be used. As usual, this release also contains various bugfixes and code cleanups. +Nov 13th, 2018. Today the B.A.T.M.A.N. team publishes the November 2018 update to batman-adv, batctl and alfred! This release contains mostly code refactorization in batctl to ease more netlink development in the future. Alfred's IPv4 implementation was polished to better handle missing MAC addresses in the ARP neighbor table. The batman-adv kernel modules now yields better results for TX throughput tests and allows to receive its debug messages via the Linux kernel's tracepoint infrastructure. Accessing the debugfs files will now create warning messages that a different method of retrieving the information should be used. As usual, this release also contains various bugfixes and code cleanups. As the kernel module always depends on the Linux kernel it is compiled against, it does not make sense to provide binaries on our website. As usual, you will find the signed tarballs in our download section: @@ -62,22 +62,19 @@ bugfixes -2018.4 (2018-11-06) +2018.4 (2018-11-13) =================== * support latest kernels (3.16 - 4.20) * coding style cleanups and refactoring -* improve tx performance by removing unnecessary locking -* deprecation of debugfs files +* improve tx performance by avoiding unnecessary locking +* add help messages regarding deprecation of debugfs files * support for debug message tracepoints * explicit ELP padding to allow TVLVs in the future * bugs squashed: - fix skb_over_panic for merged fragments with small tailroom - -TODO: merge before release https://patchwork.open-mesh.org/patch/17616/ - </pre> h2. batctl @@ -152,7 +149,7 @@ infrastructure to disable commands batctl: Simplify enabling for bisect_iv subcommand batctl: Allow to enable/disable subcommands -2018.4 (2018-11-06) +2018.4 (2018-11-13) =================== * coding style cleanups and refactoring @@ -178,7 +175,7 @@ $ git log --no-merges "${range}"|grep -e '\(Reported\|Tested\|Acked\|Reviewed-by -2018.4 (2018-11-06) +2018.4 (2018-11-13) =================== * bugs squashed:

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[doc] backup-redmine/2019-09-14, master: doc: batman-adv/Gateways: better batman_v explanation to the gw.sel_class (0c9c327)
by postmaster＠open-mesh.org 15 Sep '19

15 Sep '19

1 0

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