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linux/net/batman-adv
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Linus Lüssing e8829f007e batman-adv: fix counter for multicast supporting nodes 
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 60432d756c
("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>
2015-01-06 11:05:42 +01:00
..
bat_algo.h batman-adv: update copyright years for 2014 2014-01-12 14:41:19 +01:00
bat_iv_ogm.c batman-adv: prefer kmalloc_array to kmalloc when possible 2014-08-04 16:02:10 +02:00
bitarray.c batman-adv: update copyright years for 2014 2014-01-12 14:41:19 +01:00
bitarray.h batman-adv: update copyright years for 2014 2014-01-12 14:41:19 +01:00
bridge_loop_avoidance.c batman-adv: drop QinQ claim frames in bridge loop avoidance 2014-07-21 09:05:31 +02:00
bridge_loop_avoidance.h batman-adv: update copyright years for 2014 2014-01-12 14:41:19 +01:00
debugfs.c batman-adv: remove semi-colon after macro definition 2014-05-18 15:04:00 +02:00
debugfs.h batman-adv: update copyright years for 2014 2014-01-12 14:41:19 +01:00
distributed-arp-table.c batman-adv: prefer kmalloc_array to kmalloc when possible 2014-08-04 16:02:10 +02:00
distributed-arp-table.h batman-adv: improve DAT documentation 2014-03-22 09:18:59 +01:00
fragmentation.c batman-adv: Unify fragment size calculation 2014-12-23 23:13:37 -05:00
fragmentation.h batman-adv: update copyright years for 2014 2014-01-12 14:41:19 +01:00
gateway_client.c batman-adv: avoid NULL dereferences and fix if check 2014-12-23 23:13:37 -05:00
gateway_client.h batman-adv: update copyright years for 2014 2014-01-12 14:41:19 +01:00
gateway_common.c batman-adv: replace strnicmp with strncasecmp 2014-10-14 02:18:24 +02:00
gateway_common.h batman-adv: update copyright years for 2014 2014-01-12 14:41:19 +01:00
hard-interface.c batman: fix a bogus warning from batadv_is_on_batman_iface() 2014-05-22 17:23:00 -04:00
hard-interface.h batman-adv: update copyright years for 2014 2014-01-12 14:41:19 +01:00
hash.c batman-adv: prefer kmalloc_array to kmalloc when possible 2014-08-04 16:02:10 +02:00
hash.h batman-adv: update copyright years for 2014 2014-01-12 14:41:19 +01:00
icmp_socket.c batman-adv: prefer ether_addr_copy to memcpy 2014-03-22 08:50:26 +01:00
icmp_socket.h batman-adv: update copyright years for 2014 2014-01-12 14:41:19 +01:00
Kconfig batman-adv: Multicast Listener Announcements via Translation Table 2014-03-22 09:18:56 +01:00
main.c batman-adv: Send multicast packets to nodes with a WANT_ALL flag 2014-03-22 09:18:58 +01:00
main.h batman-adv: Start new development cycle 2014-08-05 09:42:17 +02:00
Makefile batman-adv: Multicast Listener Announcements via Translation Table 2014-03-22 09:18:56 +01:00
multicast.c batman-adv: fix counter for multicast supporting nodes 2015-01-06 11:05:42 +01:00
multicast.h batman-adv: Modified forwarding behaviour for multicast packets 2014-03-22 09:18:57 +01:00
network-coding.c batman-adv: fix lock class for decoding hash in network-coding.c 2015-01-06 11:05:12 +01:00
network-coding.h batman-adv: update copyright years for 2014 2014-01-12 14:41:19 +01:00
originator.c batman-adv: fix delayed foreign originator recognition 2015-01-06 11:05:09 +01:00
originator.h batman-adv: avoid potential race condition when adding a new neighbour 2014-02-17 17:17:01 +01:00
packet.h batman-adv: improve the TT flags documentation 2014-03-22 09:18:59 +01:00
routing.c batman-adv: fix and simplify condition when bonding should be used 2015-01-06 11:05:07 +01:00
routing.h batman-adv: update copyright years for 2014 2014-01-12 14:41:19 +01:00
send.c batman-adv: Send multicast packets to nodes with a WANT_ALL flag 2014-03-22 09:18:58 +01:00
send.h batman-adv: Modified forwarding behaviour for multicast packets 2014-03-22 09:18:57 +01:00
soft-interface.c batman-adv: increase default hop penalty 2014-08-05 09:42:13 +02:00
soft-interface.h batman-adv: update copyright years for 2014 2014-01-12 14:41:19 +01:00
sysfs.c batman-adv: Use kasprintf 2014-07-07 17:00:31 -07:00
sysfs.h batman-adv: update copyright years for 2014 2014-01-12 14:41:19 +01:00
translation-table.c batman-adv: fix TT VLAN inconsistency on VLAN re-add 2014-07-21 09:49:30 +02:00
translation-table.h batman-adv: Modified forwarding behaviour for multicast packets 2014-03-22 09:18:57 +01:00
types.h batman-adv: fix TT VLAN inconsistency on VLAN re-add 2014-07-21 09:49:30 +02:00