commits September 2019

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[doc] backup-redmine/2019-09-14, master: doc: batman-adv/bcast-3x.png (616b99d)
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 616b99da6d3a35c1f2aecceaff0b338e5d8fe449 Author: Linus Lüssing <linus.luessing(a)c0d3.blue> Date: Sat May 4 00:32:47 2019 +0000 doc: batman-adv/bcast-3x.png >--------------------------------------------------------------- 616b99da6d3a35c1f2aecceaff0b338e5d8fe449 batman-adv/bcast-3x.png | Bin 0 -> 3569 bytes 1 file changed, 0 insertions(+), 0 deletions(-) diff --git a/batman-adv/bcast-3x.png b/batman-adv/bcast-3x.png new file mode 100644 index 0000000..be126ff Binary files /dev/null and b/batman-adv/bcast-3x.png differ

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[doc] backup-redmine/2019-09-14, master: doc: batman-adv/Broadcast (ffb1e5c)
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 ffb1e5c2ffccdf00c4e11d4f8169568ed7f2a59a Author: Linus Lüssing <linus.luessing(a)c0d3.blue> Date: Sat May 4 00:55:31 2019 +0000 doc: batman-adv/Broadcast >--------------------------------------------------------------- ffb1e5c2ffccdf00c4e11d4f8169568ed7f2a59a batman-adv/Broadcast.textile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/batman-adv/Broadcast.textile b/batman-adv/Broadcast.textile index 1e8c5f9..0dba219 100644 --- a/batman-adv/Broadcast.textile +++ b/batman-adv/Broadcast.textile @@ -70,7 +70,7 @@ h3. Gateway Feature: DHCP via Unicast h3. Distributed ARP Table: DHT and Caching -todo +* See: [[DistributedArpTable|Distributed ARP Table]] h3. IP Multicast Optimizations

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[doc] backup-redmine/2019-09-14, master: doc: batman-adv/Broadcast (f4ae5dc)
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 f4ae5dc954071d8c68e0f394dbba5645bdcb7bbc Author: Linus Lüssing <linus.luessing(a)c0d3.blue> Date: Fri May 3 22:56:54 2019 +0000 doc: batman-adv/Broadcast >--------------------------------------------------------------- f4ae5dc954071d8c68e0f394dbba5645bdcb7bbc batman-adv/Broadcast.textile | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/batman-adv/Broadcast.textile b/batman-adv/Broadcast.textile new file mode 100644 index 0000000..dbaa81f --- /dev/null +++ b/batman-adv/Broadcast.textile @@ -0,0 +1,33 @@ +h1. Broadcast + + +!broadcast.png! +__A node broadcasting through the mesh__ + +Broadcasting is a method in computer networks to distribute a packet to all available nodes. batman-adv supports broadcast via its __classic flooding__ algorithm. + +h2. __Classic Flooding__ + +The basic algorithm used by batman-adv is __classic flooding__. Here every node simply repeats a broadcast frame it received on all its available interfaces. That way every node receives the broadcast frame eventually. + +To avoid frames looping around forever (a broadcast storm) an originating batman-adv node tags the frame with a sequence number which increases with every new broadcast frame this node transmits. The sequence number allows other nodes to detect whether it received a frame before. Such duplicates will then simply be ignored. + + +h2. Interface Type: WiFi vs. Others + +In 802.11 based wireless networks broadcast transmissions have one specific downside compared to unicast: While for unicast transmissions a missing frame is detected and retransmitted ("ARQ":https://en.wikipedia.org/wiki/Automatic_repeat_request). + +h2. Gateway Feature: DHCP Optimizations + +todo + +h2. IP Multicast Optimizations + +todo + + +h2. Broadcast Avoidances + +h2. __noflood__ Tagging + +todo \ No newline at end of file

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[doc] backup-redmine/2019-09-14, master: doc: batman-adv/Faq: don't reference deprecated debugfs files (9c48282)
by postmaster＠open-mesh.org 15 Sep '19

15 Sep '19

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[doc] backup-redmine/2019-09-14, master: doc: open-mesh/News-draft: add changelogs and release abstract (b99e2a4)
by postmaster＠open-mesh.org 15 Sep '19

15 Sep '19

1 0

[doc] backup-redmine/2019-09-14, master: doc: open-mesh/Emulation_Debug (979082a)
by postmaster＠open-mesh.org 15 Sep '19

15 Sep '19

1 0

[doc] backup-redmine/2019-09-14, master: doc: batman-adv/Bridge-loop-avoidance-Testcases: don't reference deprecated sysfs files (8453196)
by postmaster＠open-mesh.org 15 Sep '19

15 Sep '19

1 0

[doc] backup-redmine/2019-09-14, master: doc: batman-adv/Broadcast (132ecc0)
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 132ecc0da42a18b91a1ef7d4027f7705c036c78c Author: Linus Lüssing <linus.luessing(a)c0d3.blue> Date: Fri May 3 23:44:46 2019 +0000 doc: batman-adv/Broadcast >--------------------------------------------------------------- 132ecc0da42a18b91a1ef7d4027f7705c036c78c batman-adv/Broadcast.textile | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/batman-adv/Broadcast.textile b/batman-adv/Broadcast.textile index 94352eb..edec10e 100644 --- a/batman-adv/Broadcast.textile +++ b/batman-adv/Broadcast.textile @@ -32,7 +32,9 @@ todo h2. Broadcast Avoidances -When a node sees just one or no neighbor on a specific interface, then the following, simple rules can be applied to avoid broadcasts on this interface: +To reduce the number of (re-)broadcasts batman-adv tries to detect whether in a particular scenario on a specific interface a broadcast can be avoided. + +The following three rules are currently checked and applied: h3. I.I) No Neighbor

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[doc] backup-redmine/2019-09-14, master: doc: open-mesh/News-draft (83bcadc)
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 83bcadcaf0ad9161b9711788feb458ade35ddec3 Author: Sven Eckelmann <sven(a)narfation.org> Date: Sun May 5 09:49:30 2019 +0000 doc: open-mesh/News-draft >--------------------------------------------------------------- 83bcadcaf0ad9161b9711788feb458ade35ddec3 open-mesh/News-draft.textile | 175 ++++++++++++++++++++----------------------- 1 file changed, 80 insertions(+), 95 deletions(-) diff --git a/open-mesh/News-draft.textile b/open-mesh/News-draft.textile index 0e80464..87ef896 100644 --- a/open-mesh/News-draft.textile +++ b/open-mesh/News-draft.textile @@ -1,107 +1,95 @@ -h1. DRAFT: Batman-adv 2019.1 released +h1. DRAFT: Batman-adv 2019.2 released -Mar 19th, 2019. Today the B.A.T.M.A.N. team publishes the March 2019 update to batman-adv, batctl and alfred! The distributed hash table now parses DHCP packets to speed up the learning process of new IPv4 addresses. This should reduce the number of required ARP packets when a client just received a new IP address and then wants to start to transfer data via this router. Also batman-adv and batctl were modified to exchange configuration settings via generic netlink instead of sysfs. As usual, this release also contains various bugfixes and code cleanups. +May 28th, 2019. Today the B.A.T.M.A.N. team publishes the May 2019 update to batman-adv, batctl and alfred! TODO 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: -https://downloads.open-mesh.org/batman/releases/batman-adv-2019.1/ +https://downloads.open-mesh.org/batman/releases/batman-adv-2019.2/ h2. Thanks Thanks to all people sending in patches: -* Anders Roxell <anders.roxell(a)linaro.org> -* Eric Dumazet <edumazet(a)google.com> * Linus Lüssing <linus.luessing(a)c0d3.blue> -* Martin Weinelt <martin(a)linuxlounge.net> -* Simon Wunderlich <sw(a)simonwunderlich.de> +* Johannes Berg <johannes.berg(a)intel.com> * Sven Eckelmann <sven(a)narfation.org> and to all those that supported us with good advice or rigorous testing: -* Jiri Pirko <jiri(a)mellanox.com> +* Antonio Quartulli <a(a)unstable.cc> h2. batman-adv <pre> $ git describe origin/master -v2019.0-32-gd9790b4c -$ range=v2019.0..v2019.0-32-gd9790b4c +v2019.1-17-gda62e1b0 +$ range=v2019.1..v2019.1-17-gda62e1b0 $ git shortlog --email --no-merges "${range}" -$ git log --no-merges "${range}"|grep -e '$Reported\|Tested\|Acked\|Reviewed-by$-by'|sed 's/.*:/*/'|sort|uniq - - +$ git log --no-merges "${range}"|grep -e '$Reported\|Tested\|Acked\|Reviewed-by\|Co-authored-by$-by'|sed 's/.*:/*/'|sort|uniq new kernel support ================== - batman-adv: simplify ip_mc_check_igmp() and ipv6_mc_check_mld() calls + batman-adv: genetlink: make policy common to family + batman-adv: genetlink: optionally validate strictly/dumps coding style cleanup/refactoring ================================ - batman-adv: Fix typo "reseved" -> "reserved" - + batman-adv: Adjust name for batadv_dat_send_data unclassified ============ - batman-adv: Snoop DHCPACKs for DAT + MAINTAINERS: Add B(ugtracker) field for batman-adv + MAINTAINERS: Add C(hat) field for batman-adv + MAINTAINERS: Add T(ree) field for batman-adv + batman-adv: Drop license boilerplate -netlink -======= +multicast +========= + + batman-adv: Add multicast-to-unicast support for multiple targets + +DAT +=== - batman-adv: Move common genl doit code pre/post hooks - batman-adv: Prepare framework for mesh genl config - batman-adv: Prepare framework for hardif genl config - batman-adv: Prepare framework for vlan genl config - batman-adv: Add aggregated_ogms mesh genl configuration - batman-adv: Add ap_isolation mesh/vlan genl configuration - batman-adv: Add bonding mesh genl configuration - batman-adv: Add bridge_loop_avoidance mesh genl configuration - batman-adv: Add distributed_arp_table mesh genl configuration - batman-adv: Add fragmentation mesh genl configuration - batman-adv: Add gateway mesh genl configuration - batman-adv: Add hop_penalty mesh genl configuration - batman-adv: Add log_level mesh genl configuration - batman-adv: Add multicast forceflood mesh genl configuration - batman-adv: Add network_coding mesh genl configuration - batman-adv: Add orig_interval mesh genl configuration - batman-adv: Add elp_interval hardif genl configuration - batman-adv: Add throughput_override hardif genl configuration - batman-adv: Trigger genl notification on sysfs config change + batman-adv: allow updating DAT entry timeouts on incoming ARP Replies + + +sysfs +===== + + batman-adv: Drop documentation about debugfs files + batman-adv: Drop documentation about sysfs files + batman-adv: Make sysfs support optional + batman-adv: ABI: Mark sysfs files as deprecated + batman-adv: Warn about sysfs file access bugfixes ======== - batman-adv: fix uninit-value in batadv_interface_tx() - batman-adv: fix warning in function batadv_v_elp_get_throughput - batman-adv: Reduce claim hash refcnt only for removed entry - batman-adv: Reduce tt_local hash refcnt only for removed entry - batman-adv: Reduce tt_global hash refcnt only for removed entry + batman-adv: mcast: fix multicast tt/tvlv worker locking -2019.1 (2019-03-26) +2019.2 (2019-05-28) =================== -* support latest kernels (3.16 - 5.1) +* support latest kernels (3.16 - 5.2) * coding style cleanups and refactoring -* implement meshif, hardif and vlan interface via netlink -* snoop DHCP ACKs to improve DAT cache efficiency +* implement multicast-to-unicast support for multiple targets +* deprecate sysfs support and make it optional +* refresh DAT entry timeouts on incoming ARP Replies * bugs squashed: - - avoid potential reference counter underflows and use-after free errors for - several objects - - fix GCC warning when B.A.T.M.A.N. V is build in but cfg80211 is not - available - - reject too small VLAN packets before they are processed further + - fix multicast tt/tvlv worker locking </pre> @@ -109,66 +97,59 @@ h2. batctl <pre> $ git describe origin/master -v2019.0-25-g3ab8f42 -$ range=v2019.0..v2019.0-25-g3ab8f42 +v2019.1-9-g68d5ace +$ range=v2019.1..v2019.1-9-g68d5ace $ git shortlog --email --no-merges "${range}" -$ git log --no-merges "${range}"|grep -e '$Reported\|Tested\|Acked\|Reviewed-by$-by'|sed 's/.*:/*/'|sort|uniq +$ git log --no-merges "${range}"|grep -e '$Reported\|Tested\|Acked\|Reviewed-by\|Co-authored-by$-by'|sed 's/.*:/*/'|sort|uniq -manpage -======= +multicast +========= + batctl: add switch for setting multicast_fanout +sysfs +===== + batctl: Support checking of meshif without sysfs + batctl: Reimplement VLAN translation using helper + batctl: Add netlink fallback for sysfs' iface_status -cleanups/coderefactoring -======================== + +manpage +======= + +unclassified +============ + + batctl: Drop license boilerplate + batctl: Drop log subcommand + batctl: Drop support for translating destinations via debugfs Bugfix ====== + batctl: Fix check for batadv genl name resolve + netlink ======= - batctl: Add support for config mcast group in event monitor - batctl: Don't allocate new buffer for vlan parent device - batctl: Automatically translate vlan to mesh_iface - batctl: Add settings_data hooks for netlink integration - batctl: Parse the arguments for gw_mode - batctl: Add netlink simple query helper - batctl: Support generic netlink for gw_mode command - batctl: Support generic netlink for loglevel command - batctl: Support generic netlink for isolation_mark command - batctl: Support generic netlink for orig_interval command - batctl: Add helper to read/write boolean configuration values - batctl: Support generic netlink for aggregation command - batctl: Support generic netlink for ap_isolation command - batctl: Support generic netlink for bonding command - batctl: Support generic netlink for bridge_loop_avoidance command - batctl: Support generic netlink for distributed_arp_table command - batctl: Support generic netlink for fragmentation command - batctl: Support generic netlink for multicast_mode command - batctl: Support generic netlink for network_coding command - batctl: Drop settings_data param lists - - - batctl: replace multicast_mode with multicast_forceflood command - batctl: Add hop_penalty setting command - - - -2019.1 (2019-03-26) + + + +2019.2 (2019-05-28) =================== * coding style cleanups and refactoring -* introduce support for batadv meshif, hardif and vlan configuration via netlink -* replace multicast_mode with multicast_forceflood settings subcommand -* add hop_penalty setting subcommand +* add multicast_fanout setting subcommand +* implement netlink based support for remaining sysfs-only features +* drop support for deprecated log command support +* remove non-netlink support for translating MAC addresses to originators </pre> @@ -176,17 +157,21 @@ h2. alfred <pre> $ git describe origin/master -v2019.0-2-g1c3d800 -$ range=v2019.0..v2019.0-2-g1c3d800 +v2019.1-4-g1ce394b +$ range=v2019.1..v2019.1-4-g1ce394b $ git shortlog --email --no-merges "${range}" -$ git log --no-merges "${range}"|grep -e '$Reported\|Tested\|Acked\|Reviewed-by$-by'|sed 's/.*:/*/'|sort|uniq +$ git log --no-merges "${range}"|grep -e '$Reported\|Tested\|Acked\|Reviewed-by\|Co-authored-by$-by'|sed 's/.*:/*/'|sort|uniq +unclassified +============ - alfred: Sync batman_adv.h after config support + alfred: Switch packet.h license to MIT + alfred: Drop license boilerplate + alfred: Sync batadv_netlink_policy -2019.1 (2019-03-26) +2019.2 (2019-05-28) =================== * synchronization of batman-adv netlink header

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[doc] backup-redmine/2019-09-14, master: doc: batman-adv/noflood-sign.dia (6295c46)
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 6295c463133ffe867337a53c5c69024d9ebea113 Author: Linus Lüssing <linus.luessing(a)c0d3.blue> Date: Sat May 4 02:47:27 2019 +0000 doc: batman-adv/noflood-sign.dia >--------------------------------------------------------------- 6295c463133ffe867337a53c5c69024d9ebea113 batman-adv/noflood-sign.dia | Bin 0 -> 995 bytes 1 file changed, 0 insertions(+), 0 deletions(-) diff --git a/batman-adv/noflood-sign.dia b/batman-adv/noflood-sign.dia new file mode 100644 index 0000000..1e63ecf Binary files /dev/null and b/batman-adv/noflood-sign.dia differ

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commits September 2019