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a70a9aa990
linux-next/net/batman-adv
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Antonio Quartulli a70a9aa990 batman-adv: lock around TT operations to avoid sending inconsistent data 
A TT response may be prepared and sent while the local or
global translation table is getting updated.

The worst case is when one of the tables is accessed after
its content has been recently updated but the metadata
(TTVN/CRC) has not yet. In this case the reader will get a
table content which does not match the TTVN/CRC.
This will lead to an inconsistent state and so to a TT
recovery.

To avoid entering this situation, put a lock around those TT
operations recomputing the metadata and around the TT
Response creation (the latter is the only reader that
accesses the metadata together with the table).

Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
2013-10-19 17:31:56 +02:00
..
bat_algo.h batman-adv: update copyright years 2013-01-19 21:18:12 +08:00
bat_iv_ogm.c batman-adv: remove vis functionality 2013-10-09 21:22:32 +02:00
bitarray.c batman-adv: update copyright years 2013-01-19 21:18:12 +08:00
bitarray.h batman-adv: update copyright years 2013-01-19 21:18:12 +08:00
bridge_loop_avoidance.c batman-adv: add the VLAN ID attribute to the TT entry 2013-10-19 15:11:21 +02:00
bridge_loop_avoidance.h batman-adv: change VID semantic in the BLA code 2013-05-29 02:44:55 +02:00
debugfs.c batman-adv: remove vis functionality 2013-10-09 21:22:32 +02:00
debugfs.h batman-adv: update copyright years 2013-01-19 21:18:12 +08:00
distributed-arp-table.c batman-adv: refine API calls for unicast transmissions of SKBs 2013-10-19 17:31:54 +02:00
distributed-arp-table.h batman-adv: tvlv - add distributed arp table container 2013-10-09 21:22:27 +02:00
fragmentation.c batman-adv: Fragment and send skbs larger than mtu 2013-10-12 11:58:35 +02:00
fragmentation.h batman-adv: Fragment and send skbs larger than mtu 2013-10-12 11:58:35 +02:00
gateway_client.c batman-adv: remove bogus comment 2013-10-19 17:31:55 +02:00
gateway_client.h batman-adv: tvlv - gateway download/upload bandwidth container 2013-10-09 21:22:27 +02:00
gateway_common.c batman-adv: tvlv - gateway download/upload bandwidth container 2013-10-09 21:22:27 +02:00
gateway_common.h batman-adv: tvlv - gateway download/upload bandwidth container 2013-10-09 21:22:27 +02:00
hard-interface.c batman-adv: add per VLAN interface attribute framework 2013-10-19 17:28:08 +02:00
hard-interface.h batman-adv: Don't always delete softif when last slave was removed 2013-03-27 10:27:32 +01:00
hash.c batman-adv: update copyright years 2013-01-19 21:18:12 +08:00
hash.h batman-adv: update copyright years 2013-01-19 21:18:12 +08:00
icmp_socket.c batman-adv: create common header for ICMP packets 2013-10-12 17:17:09 +02:00
icmp_socket.h batman-adv: update copyright years 2013-01-19 21:18:12 +08:00
Kconfig batman-adv: network coding - add the initial infrastructure code 2013-03-13 22:53:48 +01:00
main.c batman-adv: lock around TT operations to avoid sending inconsistent data 2013-10-19 17:31:56 +02:00
main.h batman-adv: print the VID together with the TT entries 2013-10-19 15:11:25 +02:00
Makefile batman-adv: Receive fragmented packets and merge 2013-10-12 11:58:34 +02:00
network-coding.c batman-adv: tvlv - add network coding container 2013-10-09 21:22:28 +02:00
network-coding.h batman-adv: tvlv - add network coding container 2013-10-09 21:22:28 +02:00
originator.c batman-adv: lock around TT operations to avoid sending inconsistent data 2013-10-19 17:31:56 +02:00
originator.h batman-adv: drop useless argument seqno in neighbor creation 2013-05-29 02:44:53 +02:00
packet.h batman-adv: add the VLAN ID attribute to the TT entry 2013-10-19 15:11:21 +02:00
routing.c batman-adv: add the VLAN ID attribute to the TT entry 2013-10-19 15:11:21 +02:00
routing.h batman-adv: Receive fragmented packets and merge 2013-10-12 11:58:34 +02:00
send.c batman-adv: refine API calls for unicast transmissions of SKBs 2013-10-19 17:31:54 +02:00
send.h batman-adv: refine API calls for unicast transmissions of SKBs 2013-10-19 17:31:54 +02:00
soft-interface.c batman-adv: refine API calls for unicast transmissions of SKBs 2013-10-19 17:31:54 +02:00
soft-interface.h batman-adv: add sysfs framework for VLAN 2013-10-19 17:28:42 +02:00
sysfs.c batman-adv: make the AP isolation attribute VLAN specific 2013-10-19 17:28:47 +02:00
sysfs.h batman-adv: add sysfs framework for VLAN 2013-10-19 17:28:42 +02:00
translation-table.c batman-adv: lock around TT operations to avoid sending inconsistent data 2013-10-19 17:31:56 +02:00
translation-table.h batman-adv: make the AP isolation attribute VLAN specific 2013-10-19 17:28:47 +02:00
types.h batman-adv: lock around TT operations to avoid sending inconsistent data 2013-10-19 17:31:56 +02:00