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Allan Stephens 97878a405c tipc: Detect duplicate nodes using different network interfaces ... Utilizes the new "node signature" field in neighbor discovery messages to ensure that all links TIPC associates with a given <Z.C.N> network address belong to the same neighboring node. (Previously, TIPC could not tell if link setup requests arriving on different interfaces were from the same node or from two different nodes that has mistakenly been assigned the same network address.) The revised algorithm for detecting a duplicate node considers both the node signature and the network interface adddress specified in a request message when deciding how to respond to a link setup request. This prevents false alarms that might otherwise arise during normal network operation under the following scenarios: a) A neighboring node reboots. (The node's signature changes, but the network interface address remains unchanged.) b) A neighboring node's network interface is replaced. (The node's signature remains unchanged, but the network interface address changes.) c) A neighboring node is completely replaced. (The node's signature and network interface address both change.) The algorithm also handles cases in which a node reboots and re-establishes its links to TIPC (or begins re-establishing those links) before TIPC detects that it is using a new node signature. In such cases of "delayed rediscovery" TIPC simply accepts the new signature without disrupting communication that is already underway over the links. Thanks to Laser [gotolaser@gmail.com] for his contributions to the development of this enhancement. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>		2012-02-24 17:05:13 -05:00
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addr.c	tipc: Eliminate configuration for maximum number of cluster nodes	2011-03-13 16:35:17 -04:00
addr.h	tipc: make zone/cluster mask constants a define	2011-05-10 16:03:54 -04:00
bcast.c	tipc: Prevent loss of fragmented messages over broadcast link	2012-02-06 16:59:19 -05:00
bcast.h	tipc: Major redesign of broadcast link ACK/NACK algorithms	2012-02-06 16:59:18 -05:00
bearer.c	tipc: rename struct bearer_name to struct tipc_bearer_names	2011-12-29 21:53:30 -05:00
bearer.h	tipc: rename struct bearer_name to struct tipc_bearer_names	2011-12-29 21:53:30 -05:00
config.c	tipc: Revise comment justifying release of configuration spinlock	2011-12-27 11:33:40 -05:00
config.h	tipc: Remove unused link event tracking code	2011-09-17 22:55:15 -04:00
core.c	tipc: Minor optimization to deactivation of Ethernet media suppot	2011-12-27 11:33:41 -05:00
core.h	atomic: use <linux/atomic.h>	2011-07-26 16:49:47 -07:00
discover.c	tipc: Detect duplicate nodes using different network interfaces	2012-02-24 17:05:13 -05:00
discover.h	tipc: rename struct link* to struct tipc_link*	2011-12-29 21:53:30 -05:00
eth_media.c	tipc: rename struct media to struct tipc_media	2011-12-29 21:53:29 -05:00
handler.c	tipc: remove zeroing assignments to static global variables	2011-01-01 13:57:57 -08:00
Kconfig	tipc: Eliminate configuration for maximum number of cluster nodes	2011-03-13 16:35:17 -04:00
link.c	tipc: Prevent loss of fragmented messages over unicast links	2012-02-06 16:59:19 -05:00
link.h	tipc: rename struct link* to struct tipc_link*	2011-12-29 21:53:30 -05:00
log.c	tipc: Finish streamlining of debugging code	2011-01-01 13:57:54 -08:00
log.h	tipc: update log.h re-include protection to reflect new name	2011-01-01 14:56:18 -08:00
Makefile	tipc: rename dbg.[ch] to log.[ch]	2011-01-01 13:57:51 -08:00
msg.c	tipc: Hide media-specific addressing details from generic bearer code	2011-12-27 11:33:36 -05:00
msg.h	tipc: Introduce node signature field in neighbor discovery message	2012-02-24 17:05:13 -05:00
name_distr.c	tipc: Eliminate alteration of publication key during name table purging	2012-02-06 16:59:19 -05:00
name_distr.h
name_table.c	tipc: rename struct subscription to struct tipc_subscription	2011-12-29 21:53:29 -05:00
name_table.h	tipc: rename struct subscription to struct tipc_subscription	2011-12-29 21:53:29 -05:00
net.c	tipc: Eliminate dynamic allocation of broadcast link data structures	2011-12-27 11:33:47 -05:00
net.h	tipc: manually inline net_start/stop, make assoc. vars static	2011-03-13 16:35:17 -04:00
netlink.c
node.c	tipc: Introduce node signature field in neighbor discovery message	2012-02-24 17:05:13 -05:00
node.h	tipc: Introduce node signature field in neighbor discovery message	2012-02-24 17:05:13 -05:00
node_subscr.c	tipc: Cosmetic changes to node subscription code	2011-03-13 16:35:16 -04:00
node_subscr.h	tipc: Cosmetic changes to node subscription code	2011-03-13 16:35:16 -04:00
port.c	tipc: Minor optimization to rejection of connection-based messages	2012-02-06 16:59:19 -05:00
port.h	tipc: rename struct port_list to struct tipc_port_list	2011-12-29 21:53:29 -05:00
ref.c	net: two vzalloc() cleanups	2011-12-19 16:01:38 -05:00
ref.h	tipc: cleanup function namespace	2010-10-16 11:13:24 -07:00
socket.c	tipc: Enable use by containers having their own network namespace	2011-12-27 11:13:05 -05:00
subscr.c	tipc: rename struct subscriber to struct tipc_subscriber	2011-12-29 21:53:30 -05:00
subscr.h	tipc: rename struct subscription to struct tipc_subscription	2011-12-29 21:53:29 -05:00