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Code Issues Releases Packages Activity
linux/net/batman-adv
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Remi Pommarel 4a9a7f9f74 batman-adv: Do not let TT changes list grows indefinitely 
[ Upstream commit fff8f17c1a ]

When TT changes list is too big to fit in packet due to MTU size, an
empty OGM is sent expected other node to send TT request to get the
changes. The issue is that tt.last_changeset was not built thus the
originator was responding with previous changes to those TT requests
(see batadv_send_my_tt_response). Also the changes list was never
cleaned up effectively never ending growing from this point onwards,
repeatedly sending the same TT response changes over and over, and
creating a new empty OGM every OGM interval expecting for the local
changes to be purged.

When there is more TT changes that can fit in packet, drop all changes,
send empty OGM and wait for TT request so we can respond with a full
table instead.

Fixes: e1bf0c1409 ("batman-adv: tvlv - convert tt data sent within OGMs")
Signed-off-by: Remi Pommarel <repk@triplefau.lt>
Acked-by: Antonio Quartulli <Antonio@mandelbit.com>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2024-12-19 18:11:27 +01:00
..
bat_algo.c batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
bat_algo.h batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
bat_iv_ogm.c batman-adv: Drop per algo GW section class code 2023-08-14 18:01:21 +02:00
bat_iv_ogm.h batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
bat_v.c batman-adv: Drop per algo GW section class code 2023-08-14 18:01:21 +02:00
bat_v.h batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
bat_v_elp.c batman-adv: Do not get eth header before batadv_check_management_packet 2023-07-28 15:39:38 +02:00
bat_v_elp.h batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
bat_v_ogm.c batman-adv: Fix batadv_v_ogm_aggr_send memory leak 2023-08-09 17:33:03 +02:00
bat_v_ogm.h batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
bitarray.c batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
bitarray.h batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
bridge_loop_avoidance.c batman-adv: remove unnecessary type castings 2022-04-22 11:23:46 +02:00
bridge_loop_avoidance.h batman-adv: Remove the repeated declaration 2021-05-30 13:38:27 +02:00
distributed-arp-table.c batman-adv: Broken sync while rescheduling delayed work 2023-05-26 23:14:49 +02:00
distributed-arp-table.h batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
fragmentation.c batman-adv: Don't skb_split skbuffs with frag_list 2022-04-17 23:41:44 +02:00
fragmentation.h batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
gateway_client.c batman-adv: Migrate to linux/container_of.h 2022-03-02 09:00:13 +01:00
gateway_client.h batman-adv: Check ptr for NULL before reducing its refcnt 2021-08-08 20:21:40 +02:00
gateway_common.c batman-adv: Drop per algo GW section class code 2023-08-14 18:01:21 +02:00
gateway_common.h batman-adv: Drop per algo GW section class code 2023-08-14 18:01:21 +02:00
hard-interface.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-08-24 10:51:39 -07:00
hard-interface.h batman-adv: Check ptr for NULL before reducing its refcnt 2021-08-08 20:21:40 +02:00
hash.c batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
hash.h batman-adv: Fix spelling mistakes 2021-06-02 08:46:03 +02:00
Kconfig This feature/cleanup patchset is an updated version of the pull request 2021-02-08 11:32:40 -08:00
log.c isystem: ship and use stdarg.h 2021-08-19 09:02:55 +09:00
log.h batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
main.c batman-adv: Migrate to linux/container_of.h 2022-03-02 09:00:13 +01:00
main.h batman-adv: Start new development cycle 2023-08-03 21:11:42 +02:00
Makefile batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
multicast.c batman-adv: tvlv: prepare for tvlv enabled multicast packet type 2023-01-21 19:01:59 +01:00
multicast.h batman-adv: mcast: remove now redundant single ucast forwarding 2023-01-21 19:01:59 +01:00
netlink.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-08-24 10:51:39 -07:00
netlink.h batman-adv: Keep batadv_netlink_notify_* static 2023-08-14 18:01:21 +02:00
network-coding.c batman-adv: tvlv: prepare for tvlv enabled multicast packet type 2023-01-21 19:01:59 +01:00
network-coding.h batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
originator.c batman-adv: Don't accept TT entries for out-of-spec VIDs 2024-07-05 09:34:04 +02:00
originator.h batman-adv: Check ptr for NULL before reducing its refcnt 2021-08-08 20:21:40 +02:00
routing.c batman-adv: tvlv: prepare for tvlv enabled multicast packet type 2023-01-21 19:01:59 +01:00
routing.h batman-adv: Remove unused declarations 2023-08-03 21:11:42 +02:00
send.c batman-adv: Migrate to linux/container_of.h 2022-03-02 09:00:13 +01:00
send.h batman-adv: bcast: queue per interface, if needed 2021-05-17 12:00:44 +02:00
soft-interface.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-08-24 10:51:39 -07:00
soft-interface.h batman-adv: Check ptr for NULL before reducing its refcnt 2021-08-08 20:21:40 +02:00
tp_meter.c batman-adv: Migrate to linux/container_of.h 2022-03-02 09:00:13 +01:00
tp_meter.h batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
trace.c batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
trace.h batman-adv: Drop unused headers in trace.h 2022-08-17 12:10:43 +02:00
translation-table.c batman-adv: Do not let TT changes list grows indefinitely 2024-12-19 18:11:27 +01:00
translation-table.h batman-adv: Check ptr for NULL before reducing its refcnt 2021-08-08 20:21:40 +02:00
tvlv.c batman-adv: tvlv: prepare for tvlv enabled multicast packet type 2023-01-21 19:01:59 +01:00
tvlv.h batman-adv: tvlv: prepare for tvlv enabled multicast packet type 2023-01-21 19:01:59 +01:00
types.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-08-24 10:51:39 -07:00