commits September 2019

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[doc] backup-redmine/2019-09-14, master: doc: open-mesh/News-draft: stub for 2019.4 (fb77e02)
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 fb77e02262b3ff97ffec05fa002bde3bef22b358 Author: Sven Eckelmann <sven(a)narfation.org> Date: Sat Aug 31 15:03:34 2019 +0000 doc: open-mesh/News-draft: stub for 2019.4 >--------------------------------------------------------------- fb77e02262b3ff97ffec05fa002bde3bef22b358 open-mesh/News-draft.textile | 105 +++++++++++++------------------------------ 1 file changed, 31 insertions(+), 74 deletions(-) diff --git a/open-mesh/News-draft.textile b/open-mesh/News-draft.textile index 353e50e..e7f2e44 100644 --- a/open-mesh/News-draft.textile +++ b/open-mesh/News-draft.textile @@ -1,49 +1,30 @@ -h1. DRAFT: Batman-adv 2019.3 released +h1. DRAFT: Batman-adv 2019.4 released -Aug 1th, 2019. Today the B.A.T.M.A.N. team publishes the August 2019 update to batman-adv, batctl and alfred! The multicast optimization got support for group-aware optimizations for multicast addresses of scope greater than link-local. batctl was adjusted to handle such information and packets in various subcommands. Also support for hardif (aka. slave interface) specific settings was implemented. This required a change in how meshif and vlans are specified for subcommands. Instead of using "-m" for both meshif and vlans (and now hardifs), they were splitted into special subcommand prefixes: - -* <code>meshif <netdev></code> -* <code>vlan <vdev></code> -* <code>meshif <netdev> vid <vid></code> -* <code>hardif <netdev></code> - -To start a ping on bat2, following command should be used: - -<pre> -$ batctl meshif bat2 ping 02:ba:de:af:fe:01 -</pre> - -As usual, this release also contains various bugfixes and code cleanups. +Sep 23th, 2019. Today the B.A.T.M.A.N. team publishes the September 2019 update to batman-adv, batctl and alfred! The B.A.T.M.A.N. V implementation can now aggregate OGM2 messages into single messages before sending them out. 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-2019.3/ +https://downloads.open-mesh.org/batman/releases/batman-adv-2019.4/ h2. Thanks Thanks to all people sending in patches: -* David Miller <davem(a)davemloft.net> -* Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> +* Eric Dumazet <edumazet(a)google.com> * Linus Lüssing <linus.luessing(a)c0d3.blue> * Simon Wunderlich <sw(a)simonwunderlich.de> * Sven Eckelmann <sven(a)narfation.org> -and to all those that supported us with good advice or rigorous testing: - -* Marek Lindner <mareklindner(a)neomailbox.ch> - h2. batman-adv <pre> $ git describe origin/master -v2019.2-16-g184f68cf -$ range=v2019.2..v2019.2-16-g184f68cf +v2019.3-6-g9b5ed2dd +$ range=v2019.3..v2019.3-6-g9b5ed2dd $ git shortlog --email --no-merges "${range}" $ git log --no-merges "${range}"|grep -e '$Reported\|Tested\|Acked\|Reviewed-by\|Co-authored-by$-by'|sed 's/.*:/*/'|sort|uniq - new kernel support ================== @@ -51,40 +32,31 @@ new kernel support coding style cleanup/refactoring ================================ - batman-adv: no need to check return value of debugfs_create functions - batman-adv: Fix includes for *_MAX constants - batman-adv: Add missing include for atomic functions - batman-adv: Use includes instead of fwdecls + batman-adv: Replace usage of strlcpy with strscpy -multicast +BATMAN V ========= - batman-adv: mcast: shorten multicast tt/tvlv worker spinlock section - batman-adv: mcast: collect softif listeners from IP lists instead - batman-adv: mcast: avoid redundant multicast TT entries with bridges - batman-adv: mcast: detect, distribute and maintain multicast router presence - batman-adv: mcast: apply optimizations for routable packets, too - batman-adv: Fix deletion of RTR(4|6) mcast list entries + batman-adv: BATMAN_V: introduce per hard-iface OGMv2 queues + batman-adv: BATMAN_V: aggregate OGMv2 packets bugfixes ======== - batman-adv: Fix netlink dumping of all mcast_flags buckets - batman-adv: Fix duplicated OGMs on NETDEV_UP + batman-adv: fix uninit-value in batadv_netlink_get_ifindex() -2019.3 (2019-07-30) +2019.4 (2019-09-23) =================== -* support latest kernels (3.16 - 5.3) +* support latest kernels (3.16 - 5.4) * coding style cleanups and refactoring -* add routable multicast optimizations +* implement aggregation of OGM2 packets * bugs squashed: - - fix duplicated OGMs on NETDEV_UP - - fix dumping of multicast flags + - fix length validation in netlink messages </pre> @@ -92,44 +64,29 @@ h2. batctl <pre> $ git describe origin/master -v2019.2-15-gf5b4e96 -$ range=v2019.2..v2019.2-16-g1d7dba8 +v2019.3-2-gdd82cf5 +$ range=v2019.3..v2019.3-2-gdd82cf5 $ git shortlog --email --no-merges "${range}" $ git log --no-merges "${range}"|grep -e '$Reported\|Tested\|Acked\|Reviewed-by\|Co-authored-by$-by'|sed 's/.*:/*/'|sort|uniq - tcpump ====== - batctl: tcpdump: Add support for MCAST TVLV - batctl: tcpdump: Add support for unicast fragmentation - batctl: tcpdump: Add support for coded packets - - - batctl: Prefer netlink hardif status retrieval over sysfs - batctl: tcpdump: Add support for MCASTv2 RTR(4|6) flags - batctl: mcast_flags: Add support for MCASTv2 RTR(4|6) flags new command structure ===================== - batctl: Make vlan setting explicit - batctl: Integrate hardif setting framework - batctl: Add elp_interval setting command - batctl: Add throughput_override setting command - batctl: Replace '-m meshif' option with selector prefix - batctl: Allow to omit explicit prefix name -2019.3 (2019-07-30) +bugfix +====== + + batctl: Fix deprecation warning for option '-m' + +2019.4 (2019-09-23) =================== -* add tcpdump support for MCAST TVLV, unicast fragments and coded packets -* implement support for multicast RTR flags -* avoid some kernel deprecation warning by using more generic netlink over - sysfs -* use type specific prefixes to select mesh interface or vlan instead of '-m' -* add support for hardif specific settings +* fix deprecation warning for option '-m' </pre> @@ -137,20 +94,20 @@ h2. alfred <pre> $ git describe origin/master -v2019.2-3-g0fc6e66 -$ range=v2019.2..v2019.2-3-g0fc6e66 +v2019.3-3-g0e0fcc5 +$ range=v2019.3..v2019.3-3-g0e0fcc5 $ git shortlog --email --no-merges "${range}" $ git log --no-merges "${range}"|grep -e '$Reported\|Tested\|Acked\|Reviewed-by\|Co-authored-by$-by'|sed 's/.*:/*/'|sort|uniq - alfred: vis: Use rtnl to query list of hardifs of meshif - alfred: vis: Retrieve hardif status via generic netlink +Sven Eckelmann <sven(a)narfation.org> (2): + alfred: vis: Add missing include for ifinfomsg + alfred: vis: Fix ifindex check when registering interface -2019.3 (2019-07-30) +2019.4 (2019-09-23) =================== -* avoid some kernel deprecation warning by using more generic netlink over - sysfs +* fix build with musl </pre>

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[doc] backup-redmine/2019-09-14, master: doc: batman-adv/Multicast-optimizations-tech (0c1c9c8)
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 0c1c9c80d2c7d6f5d29d457180b5452a42a49032 Author: Linus Lüssing <linus.luessing(a)c0d3.blue> Date: Thu Aug 1 19:24:23 2019 +0000 doc: batman-adv/Multicast-optimizations-tech >--------------------------------------------------------------- 0c1c9c80d2c7d6f5d29d457180b5452a42a49032 batman-adv/Multicast-optimizations-tech.textile | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/batman-adv/Multicast-optimizations-tech.textile b/batman-adv/Multicast-optimizations-tech.textile index 263aa45..61e03e9 100644 --- a/batman-adv/Multicast-optimizations-tech.textile +++ b/batman-adv/Multicast-optimizations-tech.textile @@ -79,15 +79,15 @@ Example: ff02::1 (all nodes) | (excl. all nodes addr.) |=. supported without bridges¹. Example: 224.0.0.251 (mDNS) |=. supported². Example: ff12::39 (locally administrated) | -| *routable* |=. support planned³. -Example: 239.1.2.3 (locally administrated) |=. support planned³. +| *routable* |=. supported without bridges³. +Example: 239.1.2.3 (locally administrated) |=. supported². Example: ff0e::101 (NTP) | ¹: These addresses cannot be considered for optimization towards nodes which have a bridge interface on top of their batman interface as they are not snoopable. See [[multicast-optimizations-flags#BATADV_MCAST_WANT_ALL_UNSNOOPABLES]] for details. ²: In bridged scenarios, an IGMP/MLD querier needs to be present in the mesh. Also, a 3.17 kernel or newer is required. -³: Routable multicast addresses are not supported yet. See [[multicast-optimizations-tech#routable-multicast-addresses]] for details. +³: Routable IPv4 multicast addresses in bridged scenarios are not supported yet. See [[multicast-optimizations-tech#routable-multicast-addresses]] for details. For details on IPv4 and IPv6 multicast address ranges check out this detailed article on "Wikipedia":https://en.wikipedia.org/wiki/Multicast_address.

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[doc] backup-redmine/2019-09-14, master: doc: open-mesh/News-draft (2ace39e)
by postmaster＠open-mesh.org 15 Sep '19

15 Sep '19

1 0

[doc] backup-redmine/2019-09-14, master: doc: batman-adv/Multicast-optimizations (240de54)
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 240de543ff21c6218bbce90864925bb6ff5c2fef Author: Linus Lüssing <linus.luessing(a)c0d3.blue> Date: Wed Aug 21 01:16:15 2019 +0000 doc: batman-adv/Multicast-optimizations >--------------------------------------------------------------- 240de543ff21c6218bbce90864925bb6ff5c2fef batman-adv/Multicast-optimizations.textile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/batman-adv/Multicast-optimizations.textile b/batman-adv/Multicast-optimizations.textile index a543861..d65dd89 100644 --- a/batman-adv/Multicast-optimizations.textile +++ b/batman-adv/Multicast-optimizations.textile @@ -22,7 +22,7 @@ h3. Forwards IPv4/IPv6 packets with a some multicast listeners via unicasts !{width: 66%;}basic-multicast-multiple-receivers.png! -If there is an amount of multicast listeners smaller or equal to the (configurable) multicast-fanout parameter (default: 16) then the packet is forwarded via individual multicast transmissions. +If there is an amount of multicast listeners smaller or equal to the (configurable) multicast-fanout parameter (default: 16) then the packet is forwarded via individual unicast transmissions. h3. Limitations

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[doc] backup-redmine/2019-09-14, master: doc: batman-adv/Multicast-optimizations-flags (940242a)
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 940242ae452d0d313af421de3cb4040794b552c3 Author: Linus Lüssing <linus.luessing(a)c0d3.blue> Date: Thu Aug 1 20:08:03 2019 +0000 doc: batman-adv/Multicast-optimizations-flags >--------------------------------------------------------------- 940242ae452d0d313af421de3cb4040794b552c3 batman-adv/Multicast-optimizations-flags.textile | 2 -- 1 file changed, 2 deletions(-) diff --git a/batman-adv/Multicast-optimizations-flags.textile b/batman-adv/Multicast-optimizations-flags.textile index 9924e32..d10044e 100644 --- a/batman-adv/Multicast-optimizations-flags.textile +++ b/batman-adv/Multicast-optimizations-flags.textile @@ -86,8 +86,6 @@ h3. BATADV_MCAST_WANT_ALL_IPV4 (Bit 1): Signalizes that this node wants all IPv4 multicast traffic. -(not used by listeners yet, but implemented for senders already to ensure backwards compatibility later) - h3. BATADV_MCAST_WANT_ALL_IPV6 (Bit 2): Signalizes that this node wants all IPv6 multicast traffic.

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[doc] backup-redmine/2019-09-14, master: doc: batman-adv/Multicast-optimizations (de0139a)
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 de0139ada510cd2ab28470ade1858e18b8dc46ae Author: Linus Lüssing <linus.luessing(a)c0d3.blue> Date: Thu Aug 1 19:13:07 2019 +0000 doc: batman-adv/Multicast-optimizations >--------------------------------------------------------------- de0139ada510cd2ab28470ade1858e18b8dc46ae batman-adv/Multicast-optimizations.textile | 2 -- 1 file changed, 2 deletions(-) diff --git a/batman-adv/Multicast-optimizations.textile b/batman-adv/Multicast-optimizations.textile index 5fa34a3..abccc58 100644 --- a/batman-adv/Multicast-optimizations.textile +++ b/batman-adv/Multicast-optimizations.textile @@ -32,8 +32,6 @@ In the following cases multicast packets are still distributed via classic flood * If there are more than #multicast-fanout (default: 16) listeners for a specific multicast group. -(These things are work in progress and will be supported at a later time.) - Additionally, in _bridged_ scenarios multicast packets are still flooded in the following cases: * If there is no IGMP/MLD querier.

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[doc] backup-redmine/2019-09-14, master: doc: batman-adv/Multicast-optimizations-flags (fe0d064)
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 fe0d06449829e23c6215df4ba5e0999b737cca07 Author: Linus Lüssing <linus.luessing(a)c0d3.blue> Date: Thu Aug 1 20:08:12 2019 +0000 doc: batman-adv/Multicast-optimizations-flags >--------------------------------------------------------------- fe0d06449829e23c6215df4ba5e0999b737cca07 batman-adv/Multicast-optimizations-flags.textile | 2 -- 1 file changed, 2 deletions(-) diff --git a/batman-adv/Multicast-optimizations-flags.textile b/batman-adv/Multicast-optimizations-flags.textile index d10044e..3e5c1e5 100644 --- a/batman-adv/Multicast-optimizations-flags.textile +++ b/batman-adv/Multicast-optimizations-flags.textile @@ -90,8 +90,6 @@ h3. BATADV_MCAST_WANT_ALL_IPV6 (Bit 2): Signalizes that this node wants all IPv6 multicast traffic. -(not used by listeners yet, but implemented for senders already to ensure backwards compatibility later) - h2. Further Readings * [[multicast-optimizations-report-suppresion|Multicast Optimizations – IGMP/MLD Report Suppresion]] \ No newline at end of file

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[doc] backup-redmine/2019-09-14, master: doc: batman-adv/Multicast-optimizations-tech (6171414)
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 6171414db606e11296abfa1fa1d43d84ce94d208 Author: Linus Lüssing <linus.luessing(a)c0d3.blue> Date: Thu Aug 1 19:59:28 2019 +0000 doc: batman-adv/Multicast-optimizations-tech >--------------------------------------------------------------- 6171414db606e11296abfa1fa1d43d84ce94d208 batman-adv/Multicast-optimizations-tech.textile | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/batman-adv/Multicast-optimizations-tech.textile b/batman-adv/Multicast-optimizations-tech.textile index 61e03e9..9194e56 100644 --- a/batman-adv/Multicast-optimizations-tech.textile +++ b/batman-adv/Multicast-optimizations-tech.textile @@ -93,8 +93,9 @@ For details on IPv4 and IPv6 multicast address ranges check out this detailed ar h3. Routable multicast addresses -For routable multicast addresses, further consideration has to be given: The according multicast packets not only need to be forwarded to any multicast listener on the local link, but to any multicast router, too. Otherwise off-link listeners, which are only reachable via a layer 3 multicast router, would not receive these multicast packets anymore. To be on the safe side, batman-adv currently simply floods these address ranges. To support these address ranges later, too, "Multicast Router Discovery":https://tools.ietf.org/search/rfc4286 needs to be implemented in batman-adv (which was not done yet). +For routable multicast addresses, further consideration has to be given: The according multicast packets not only need to be forwarded to any multicast listener on the local link, but to any multicast router, too. Otherwise off-link listeners, which are only reachable via a layer 3 multicast router, would not receive these multicast packets anymore. +batman-adv currently detects IPv6 multicast routers by searching for ff02::2 all-routers multicast listeners (which overestimates by including unicast routers, too). For proper IPv4+IPv6 multicast router detection "Multicast Router Discovery":https://tools.ietf.org/search/rfc4286 needs to be implemented in batman-adv (implemented in the bridge, tapping into this is still ToDo). h2. Limitations

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[doc] backup-redmine/2019-09-14, master: doc: batman-adv/Multicast-optimizations (2beb1e9)
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 2beb1e9428331be504a211833097c9bc2c9765af Author: Linus Lüssing <linus.luessing(a)c0d3.blue> Date: Thu Aug 1 19:02:49 2019 +0000 doc: batman-adv/Multicast-optimizations >--------------------------------------------------------------- 2beb1e9428331be504a211833097c9bc2c9765af batman-adv/Multicast-optimizations.textile | 6 +++--- batman-adv/basic-multicast-single-receiver.dia | Bin 1937 -> 0 bytes batman-adv/basic-multicast-single-receiver.png | Bin 55612 -> 0 bytes 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/batman-adv/Multicast-optimizations.textile b/batman-adv/Multicast-optimizations.textile index f2c081f..f44514e 100644 --- a/batman-adv/Multicast-optimizations.textile +++ b/batman-adv/Multicast-optimizations.textile @@ -18,11 +18,11 @@ h3. Discards IPv4/IPv6 packets with no multicast listener batman-adv detects whether there are any potential IPv4/IPv6 multicast listeners interested in traffic to the given multicast destination address. If not then the packet is never forwarded into the mesh network. -h3. Forwards IPv4/IPv6 packets with a single multicast listener via unicast +h3. Forwards IPv4/IPv6 packets with a some multicast listeners via unicasts -!{width: 66%;}basic-multicast-single-receiver.png! +!{width: 66%;}basic-multicast-multiple-receivers.png! -If a single multicast listener was detected then the packet is forwarded directly to the corresponding batman-adv node. +If there is an amount of multicast listeners smaller or equal to the (configurable) multicast-fanout parameter (default: 16) then the packet is forwarded via individual multicast transmissions. h3. Limitations diff --git a/batman-adv/basic-multicast-single-receiver.dia b/batman-adv/basic-multicast-single-receiver.dia deleted file mode 100644 index ab9ce40..0000000 Binary files a/batman-adv/basic-multicast-single-receiver.dia and /dev/null differ diff --git a/batman-adv/basic-multicast-single-receiver.png b/batman-adv/basic-multicast-single-receiver.png deleted file mode 100644 index 85e3da2..0000000 Binary files a/batman-adv/basic-multicast-single-receiver.png and /dev/null differ

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[doc] backup-redmine/2019-09-14, master: doc: batman-adv/basic-multicast-many-receivers.dia (936e72e)
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 936e72ef2ec2272a02d146a058f9e336e9f69060 Author: Linus Lüssing <linus.luessing(a)c0d3.blue> Date: Thu Aug 1 18:52:04 2019 +0000 doc: batman-adv/basic-multicast-many-receivers.dia >--------------------------------------------------------------- 936e72ef2ec2272a02d146a058f9e336e9f69060 batman-adv/basic-multicast-many-receivers.dia | Bin 0 -> 2284 bytes 1 file changed, 0 insertions(+), 0 deletions(-) diff --git a/batman-adv/basic-multicast-many-receivers.dia b/batman-adv/basic-multicast-many-receivers.dia new file mode 100644 index 0000000..293cb81 Binary files /dev/null and b/batman-adv/basic-multicast-many-receivers.dia differ

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