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* batman-adv: Remove unnecessary parenthesesSven Eckelmann2017-09-281-1/+1
| | | | | | | | | | | | checkpatch introduced with commit 63b7c73ec86b ("checkpatch: add --strict check for ifs with unnecessary parentheses") an additional test which identifies some unnecessary parentheses. Remove these unnecessary parentheses to avoid the warnings and to unify the coding style slightly more. Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
* batman-adv: Reduce preprocessor checks in multicast.cSven Eckelmann2017-03-161-7/+5
| | | | | | | | | | It is not necessary to disable these code sections in case other kernel features are disabled. Instead the IS_ENABLED tests can be added directly in the code and the compiler can remove the unnecessary code parts during its optimization run. Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
* batman-adv: update copyright years for 2017Sven Eckelmann2017-01-261-1/+1
| | | | | Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
* batman-adv: Use own timer for multicast TT and TVLV updatesLinus Lüssing2016-10-301-6/+56
| | | | | | | | | | | | | | | | | | | Instead of latching onto the OGM period, this patch introduces a worker dedicated to multicast TT and TVLV updates. The reasoning is, that upon roaming especially the translation table should be updated timely to minimize connectivity issues. With BATMAN V, the idea is to greatly increase the OGM interval to reduce overhead. Unfortunately, right now this could lead to a bad user experience if multicast traffic is involved. Therefore this patch introduces a fixed 500ms update interval for multicast TT entries and the multicast TVLV. Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue> Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
* batman-adv: Remove unnecessary lockdep in batadv_mcast_mla_list_freeLinus Lüssing2016-10-301-6/+2
| | | | | | | | | | batadv_mcast_mla_list_free() just frees some leftovers of a local feast in batadv_mcast_mla_update(). No lockdep needed as it has nothing to do with bat_priv->mcast.mla_list. Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue> Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
* batman-adv: Allow to disable debugfs supportSven Eckelmann2016-08-091-0/+2
| | | | | | | | | | | | | | | | | | The files provided by batman-adv via debugfs are currently converted to netlink. Tools which are not yet converted to use the netlink interface may still rely on the old debugfs files. But systems which already upgraded their tools can save some space by disabling this feature. The default configuration of batman-adv on amd64 can reduce the size of the module by around 11% when this feature is disabled. $ size net/batman-adv/batman-adv.ko* text data bss dec hex filename 150507 10395 4160 165062 284c6 net/batman-adv/batman-adv.ko.y 137106 7099 2112 146317 23b8d net/batman-adv/batman-adv.ko.n Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
* batman-adv: Use bitwise instead of arithmetic operator for flagsLinus Lüssing2016-08-091-1/+1
| | | | | | | | | | | This silences the following coccinelle warning: "WARNING: sum of probable bitmasks, consider |" Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
* batman-adv: Consolidate logging related functionsSven Eckelmann2016-06-301-0/+1
| | | | | | | | | | | There are several places in batman-adv which provide logging related functions. These should be grouped together in the log.* files to make them easier to find. Reported-by: Markus Pargmann <mpa@pengutronix.de> Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
* batman-adv: split tvlv into a separate fileMarkus Pargmann2016-06-301-0/+1
| | | | | | | | | | | | | | | The tvlv functionality in main.c is mostly unrelated to the rest of the content. It still takes up a large portion of this source file (~45%, 588 lines). Moving it to a separate file makes it better visible as a main component of the batman-adv implementation and hides it less in the other helper functions in main.c Signed-off-by: Markus Pargmann <mpa@pengutronix.de> [sven@narfation.org: fix conflicts with current version, fix includes, rewrote commit message] Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
* batman-adv: Add debugfs table for mcast flagsLinus Lüssing2016-06-301-0/+104
| | | | | | | | | | | | This patch adds a debugfs table with originators and their according multicast flags to help users figure out why multicast optimizations might be enabled or disabled for them. Tested-by: Simon Wunderlich <sw@simonwunderlich.de> Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
* batman-adv: Adding logging of mcast flag changesLinus Lüssing2016-06-301-2/+131
| | | | | | | | | | | With this patch changes relevant to a node's own multicast flags are printed to the 'mcast' log level. Tested-by: Simon Wunderlich <sw@simonwunderlich.de> Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
* batman-adv: Add multicast optimization support for bridged setupsLinus Lüssing2016-06-301-18/+163
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With this patch we are finally able to support multicast optimizations in bridged setups, too. So far, if a bridge was added on top of a soft-interface (e.g. bat0) the batman-adv multicast optimizations needed to be disabled to avoid packetloss. Current Linux bridge implementations and API can now provide us with the so far missing information about interested but "remote" multicast receivers behind bridge ports. The Linux bridge performs the detection of remote participants interested in multicast packets with its own and mature so called IGMP and MLD snooping code and stores that in its database. With the new API provided by the bridge batman-adv can now simply hook into this database. We then reliably announce the gathered multicast listeners to other nodes through the batman-adv translation table. Additionally, the Linux bridge provides us with the information about whether an IGMP/MLD querier exists. If there is none then we need to disable multicast optimizations as we cannot learn about multicast listeners on external, bridged-in host then. Tested-by: Simon Wunderlich <sw@simonwunderlich.de> Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
* batman-adv: Always flood IGMP/MLD reportsLinus Lüssing2016-06-301-13/+74
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With this patch IGMP or MLD reports are always flooded. This is necessary for the upcoming bridge integration to function without multicast packet loss. With the report handling so far bridges might miss interested multicast listeners, leading to wrongly excluding ports from multicast packet forwarding. Currently we are treating IGMP/MLD reports, the messages bridges use to learn about interested multicast listeners, just as any other multicast packet: We try to send them to nodes matching its multicast destination. Unfortunately, the destination address of reports of the older IGMPv2/MLDv1 protocol families do not strictly adhere to their own protocol: More precisely, the interested receiver, an IGMPv2 or MLDv1 querier, itself usually does not listen to the multicast destination address of any reports. Therefore with this patch we are simply excluding IGMP/MLD reports from the multicast forwarding code path and keep flooding them. By that any bridge receives them and can properly learn about listeners. To avoid compatibility issues with older nodes not yet implementing this report handling, we need to force them to flood reports: We do this by bumping the multicast TVLV version to 2, effectively disabling their multicast optimization. Tested-by: Simon Wunderlich <sw@simonwunderlich.de> Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
* batman-adv: fix wrong names in kerneldocAntonio Quartulli2016-05-041-5/+6
| | | | | | | Signed-off-by: Antonio Quartulli <a@unstable.cc> [sven@narfation.org: Fix additional names] Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
* batman-adv: Convert batadv_orig_node to krefSven Eckelmann2016-02-101-3/+4
| | | | | | | | | | batman-adv uses a self-written reference implementation which is just based on atomic_t. This is less obvious when reading the code than kref and therefore increases the change that the reference counting will be missed. Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Antonio Quartulli <a@unstable.cc>
* batman-adv: update copyright years for 2016Sven Eckelmann2016-02-021-1/+1
| | | | | | Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Antonio Quartulli <a@unstable.cc>
* batman-adv: Fix kerneldoc parsing of return descriptionSven Eckelmann2016-02-021-18/+17
| | | | | | Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Antonio Quartulli <a@unstable.cc>
* batman-adv: fix lockdep splat when doing mcast_freeSimon Wunderlich2016-01-131-0/+2
| | | | | | | | | | | | | | | | | | | | | While testing, we got something like this: WARNING: CPU: 0 PID: 238 at net/batman-adv/multicast.c:142 batadv_mcast_mla_tt_retract+0x94/0x205 [batman_adv]() [...] Call Trace: [<ffffffff815fc597>] dump_stack+0x4b/0x64 [<ffffffff810b34dc>] warn_slowpath_common+0xbc/0x120 [<ffffffffa0024ec5>] ? batadv_mcast_mla_tt_retract+0x94/0x205 [batman_adv] [<ffffffff810b3705>] warn_slowpath_null+0x15/0x20 [<ffffffffa0024ec5>] batadv_mcast_mla_tt_retract+0x94/0x205 [batman_adv] [<ffffffffa00273fe>] batadv_mcast_free+0x36/0x39 [batman_adv] [<ffffffffa0020c77>] batadv_mesh_free+0x7d/0x13f [batman_adv] [<ffffffffa0036a6b>] batadv_softif_free+0x15/0x25 [batman_adv] [...] Signed-off-by: Simon Wunderlich <simon@open-mesh.com> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Antonio Quartulli <a@unstable.cc>
* batman-adv: Add lockdep_asserts for documented external locksSven Eckelmann2015-08-251-0/+6
| | | | | | | | | | Some functions already have documentation about locks they require inside their kerneldoc header. These can be directly tested during runtime using the lockdep asserts. Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
* batman-adv: Annotate deleting functions with external lock via lockdepSven Eckelmann2015-08-251-2/+11
| | | | | | | | | | | | | | Functions which use (h)list_del* are requiring correct locking when they operate on global lists. Most of the time the search in the list and the delete are done in the same function. All other cases should have it visible that they require a special lock to avoid race conditions. Lockdep asserts can be used to check these problem during runtime when the lockdep functionality is enabled. Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
* batman-adv: Replace C99 int types with kernel typeSven Eckelmann2015-08-251-8/+8
| | | | | | | | | | (s|u)(8|16|32|64) are the preferred types in the kernel. The use of the standard C99 types u?int(8|16|32|64)_t are objected by some people and even checkpatch now warns about using them. Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
* batman-adv: Fix potential synchronization issues in mcast tvlv handlerLinus Lüssing2015-08-141-13/+50
| | | | | | | | | | | | | | | | | | | | | | | | | | | So far the mcast tvlv handler did not anticipate the processing of multiple incoming OGMs from the same originator at the same time. This can lead to various issues: * Broken refcounting: For instance two mcast handlers might both assume that an originator just got multicast capabilities and will together wrongly decrease mcast.num_disabled by two, potentially leading to an integer underflow. * Potential kernel panic on hlist_del_rcu(): Two mcast handlers might one after another try to do an hlist_del_rcu(&orig->mcast_want_all_*_node). The second one will cause memory corruption / crashes. (Reported by: Sven Eckelmann <sven@narfation.org>) Right in the beginning the code path makes assumptions about the current multicast related state of an originator and bases all updates on that. The easiest and least error prune way to fix the issues in this case is to serialize multiple mcast handler invocations with a spinlock. Fixes: 60432d756cf0 ("batman-adv: Announce new capability via multicast TVLV") Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
* batman-adv: Make MCAST capability changes atomicLinus Lüssing2015-08-141-8/+10
| | | | | | | | | | | | | Bitwise OR/AND assignments in C aren't guaranteed to be atomic. One OGM handler might undo the set/clear of a specific bit from another handler run in between. Fix this by using the atomic set_bit()/clear_bit()/test_bit() functions. Fixes: 60432d756cf0 ("batman-adv: Announce new capability via multicast TVLV") Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
* batman-adv: Add required includes to all filesSven Eckelmann2015-06-071-3/+26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The header files could not be build indepdent from each other. This is happened because headers didn't include the files for things they've used. This was problematic because the success of a build depended on the knowledge about the right order of local includes. Also source files were not including everything they've used explicitly. Instead they required that transitive includes are always stable. This is problematic because some transitive includes are not obvious, depend on config settings and may not be stable in the future. The order for include blocks are: * primary headers (main.h and the *.h file of a *.c file) * global linux headers * required local headers * extra forward declarations for pointers in function/struct declarations The only exceptions are linux/bitops.h and linux/if_ether.h in packet.h. This header file is shared with userspace applications like batctl and must therefore build together with userspace applications. The header linux/bitops.h is not part of the uapi headers and linux/if_ether.h conflicts with the musl implementation of netinet/if_ether.h. The maintainers rejected the use of __KERNEL__ preprocessor checks and thus these two headers are only in main.h. All files using packet.h first have to include main.h to work correctly. Reported-by: Markus Pargmann <mpa@pengutronix.de> Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
* batman-adv: update copyright years for 2015Sven Eckelmann2015-05-291-1/+1
| | | | | Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
* batman-adv: fix multicast counter when purging originatorsLinus Lüssing2015-01-061-1/+2
| | | | | | | | | | | | | | | | | | | | | When purging an orig_node we should only decrease counter tracking the number of nodes without multicast optimizations support if it was increased through this orig_node before. A not yet quite initialized orig_node (meaning it did not have its turn in the mcast-tvlv handler so far) which gets purged would not adhere to this and will lead to a counter imbalance. Fixing this by adding a check whether the orig_node is mcast-initalized before decreasing the counter in the mcast-orig_node-purging routine. Introduced by 60432d756cf06e597ef9da511402dd059b112447 ("batman-adv: Announce new capability via multicast TVLV") Reported-by: Tobias Hachmer <tobias@hachmer.de> Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
* batman-adv: fix counter for multicast supporting nodesLinus Lüssing2015-01-061-3/+5
| | | | | | | | | | | | | | | | | | | | | A miscounting of nodes having multicast optimizations enabled can lead to multicast packet loss in the following scenario: If the first OGM a node receives from another one has no multicast optimizations support (no multicast tvlv) then we are missing to increase the counter. This potentially leads to the wrong assumption that we could safely use multicast optimizations. Fixings this by increasing the counter if the initial OGM has the multicast TVLV unset, too. Introduced by 60432d756cf06e597ef9da511402dd059b112447 ("batman-adv: Announce new capability via multicast TVLV") Reported-by: Tobias Hachmer <tobias@hachmer.de> Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
* batman: fix duplicate #include of multicast.hJean Sacren2014-08-071-1/+0
| | | | | | | | | | | The header multicast.h was included twice, so delete one of them. Signed-off-by: Jean Sacren <sakiwit@gmail.com> Cc: Marek Lindner <mareklindner@neomailbox.ch> Cc: Simon Wunderlich <sw@simonwunderlich.de> Cc: Antonio Quartulli <antonio@meshcoding.com> Cc: b.a.t.m.a.n@lists.open-mesh.org Signed-off-by: David S. Miller <davem@davemloft.net>
* batman-adv: fix NULL pointer dereferencesMarek Lindner2014-05-311-3/+3
| | | | | | | | | | | Was introduced with 4c8755d69cbde2ec464a39c932aed0a83f9ff89f ("batman-adv: Send multicast packets to nodes with a WANT_ALL flag") Reported-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Acked-by: Antonio Quartulli <antonio@meshcoding.com> Signed-off-by: Linus Lüssing <linus.luessing@web.de> Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
* batman-adv: Send multicast packets to nodes with a WANT_ALL flagLinus Lüssing2014-03-221-2/+176
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With this patch a node sends IPv4 multicast packets to nodes which have a BATADV_MCAST_WANT_ALL_IPV4 flag set and IPv6 multicast packets to nodes which have a BATADV_MCAST_WANT_ALL_IPV6 flag set, too. Why is this needed? There are scenarios involving bridges where multicast report snooping and multicast TT announcements are not sufficient, which would lead to packet loss for some nodes otherwise: MLDv1 and IGMPv1/IGMPv2 have a suppression mechanism for multicast listener reports. When we have an MLDv1/IGMPv1/IGMPv2 querier behind a bridge then our snooping bridge is potentially not going to see any reports even though listeners exist because according to RFC4541 such reports are only forwarded to multicast routers: ----------------------------------------------------------- --------------- {Querier}---|Snoop. Switch|----{Listener} --------------- \ ^ ------- | br0 | < ??? ------- \ _-~---~_ _-~/ ~-_ ~ batman-adv \-----{Sender} \~_ cloud ~/ -~~__-__-~_/ I) MLDv1 Query: {Querier} -> flooded II) MLDv1 Report: {Listener} -> {Querier} -> br0 cannot detect the {Listener} => Packets from {Sender} need to be forwarded to all detected listeners and MLDv1/IGMPv1/IGMPv2 queriers. ----------------------------------------------------------- Note that we do not need to explicitly forward to MLDv2/IGMPv3 queriers, because these protocols have no report suppression: A bridge has no trouble detecting MLDv2/IGMPv3 listeners. Even though we do not support bridges yet we need to provide the according infrastructure already to not break compatibility later. Signed-off-by: Linus Lüssing <linus.luessing@web.de> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
* batman-adv: Add IPv4 link-local/IPv6-ll-all-nodes multicast supportLinus Lüssing2014-03-221-8/+127
| | | | | | | | | | | | | | | | | | | | | | | | | With this patch a node may additionally perform the dropping or unicasting behaviour for a link-local IPv4 and link-local-all-nodes IPv6 multicast packet, too. The extra counter and BATADV_MCAST_WANT_ALL_UNSNOOPABLES flag is needed because with a future bridge snooping support integration a node with a bridge on top of its soft interface is not able to reliably detect its multicast listeners for IPv4 link-local and the IPv6 link-local-all-nodes addresses anymore (see RFC4541, section 2.1.2.2 and section 3). Even though this new flag does make "no difference" now, it'll ensure a seamless integration of multicast bridge support without needing to break compatibility later. Also note, that even with multicast bridge support it won't be possible to optimize 224.0.0.x and ff02::1 towards nodes with bridges, they will always receive these ranges. Signed-off-by: Linus Lüssing <linus.luessing@web.de> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
* batman-adv: Modified forwarding behaviour for multicast packetsLinus Lüssing2014-03-221-0/+126
| | | | | | | | | | | | | | | | | | | | | With this patch a multicast packet is not always simply flooded anymore, the behaviour for the following cases is changed to reduce unnecessary overhead: If all nodes within the horizon of a certain node have signalized multicast listener announcement capability then an IPv6 multicast packet with a destination of IPv6 link-local scope (excluding ff02::1) coming from the upstream of this node... * ...is dropped if there is no according multicast listener in the translation table, * ...is forwarded via unicast if there is a single node with interested multicast listeners * ...and otherwise still gets flooded. Signed-off-by: Linus Lüssing <linus.luessing@web.de> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
* batman-adv: Announce new capability via multicast TVLVLinus Lüssing2014-03-221-6/+117
| | | | | | | | | | | If the soft interface of a node is not part of a bridge then a node announces a new multicast TVLV: The existence of this TVLV signalizes that this node is announcing all of its multicast listeners via the translation table infrastructure. Signed-off-by: Linus Lüssing <linus.luessing@web.de> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
* batman-adv: Multicast Listener Announcements via Translation TableLinus Lüssing2014-03-221-0/+218
With this patch a node which has no bridge interface on top of its soft interface announces its local multicast listeners via the translation table. Signed-off-by: Linus Lüssing <linus.luessing@web.de> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
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