linux/net/tipc, branch v3.5

tipc: compress out gratuitous extra carriage returns

2012-04-30T19:53:56Z

Some of the comment blocks are floating in limbo between two functions, or between blocks of code. Delete the extra line feeds between any comment and its associated following block of code, to be consistent with the majority of the rest of the kernel. Also delete trailing newlines at EOF and fix a couple trivial typos in existing comments. This is a 100% cosmetic change with no runtime impact. We get rid of over 500 lines of non-code, and being blank line deletes, they won't even show up as noise in git blame. Signed-off-by: Paul Gortmaker

tipc: Reject payload messages with invalid message type

2012-04-27T14:08:00Z

Adds check to ensure TIPC sockets reject incoming payload messages that have an unrecognized message type. Remove the old open question about whether TIPC_ERR_NO_PORT is the proper return value. It is appropriate here since there are valid instances where another node can make use of the reply, and at this point in time the host is already broadcasting TIPC data, so there are no real security concerns. Signed-off-by: Allan Stephens Signed-off-by: Paul Gortmaker

tipc: Enhance error checking of published names

2012-04-26T22:15:48Z

Consolidates validation of scope and name sequence range values into a single routine where it applies both to local name publications and to name publications issued by other nodes in the network. This change means that the scope value for non-local publications is now validated and the name sequence range for local publications is now validated only once. Additionally, a publication attempt that fails validation now creates an entry in the system log file only if debugging capabilities have been enabled; this prevents the system log from being cluttered up with messages caused by a defective application or network node. Signed-off-by: Allan Stephens Signed-off-by: Paul Gortmaker

tipc: Create helper routine to delete unused name sequence structure

2012-04-26T22:15:47Z

Replaces two identical chunks of code that delete an unused name sequence structure from TIPC's name table with calls to a new routine that performs this operation. This change is cosmetic and doesn't impact the operation of TIPC. Signed-off-by: Allan Stephens Signed-off-by: Paul Gortmaker

tipc: remove redundant memset and stale comment from subscr.c

2012-04-26T22:15:46Z

Eliminate code to zero-out the main topology service structure, which is already zeroed-out. Get rid of a comment documenting a field of the main topology service structure that no longer exists. Both are cosmetic changes with no impact on runtime behaviour. Signed-off-by: Allan Stephens Signed-off-by: Paul Gortmaker

tipc: Optimize initialization of network topology service

2012-04-26T22:15:45Z

Initialization now occurs in the calling thread of control, rather than being deferred to the TIPC tasklet. With the current codebase, the deferral is no longer necessary. Signed-off-by: Allan Stephens Signed-off-by: Paul Gortmaker

tipc: Enhance re-initialization of network topology service

2012-04-26T22:15:40Z

Streamlines the job of re-initializing TIPC's network topology service when a node's network address is first assigned. Rather than destroying the topology server port and breaking its connections to existing subscribers, TIPC now simply lets the service continue running (since the change to the port identifier of each port used by the topology service no longer impacts the flow of messages between the service and its subscribers). This enhancement means that applications that utilize the topology service prior to the assignment of TIPC's network address no longer need to re-establish their subscriptions when the address is finally assigned. However, it is worth noting that any subsequent events for existing subscriptions report the new port identifier of the publishing port, rather than the original port identifier. (For example, a name that was previously reported as being published by <0.0.0:ref> may be subsequently withdrawn by .) This doesn't impact any of the existing known userspace in tipc-utils, since (a) TIPC continues to treat references to the original port ID correctly and (b) normal use cases assign an address before active use. However if there does happen to be some rare/custom application out there that was relying on this, they can simply bypass the enhancement by issuing a subscription to {0,0} and break its connection to the topology service, if an associated withdrawal event occurs. Signed-off-by: Allan Stephens Signed-off-by: Paul Gortmaker

tipc: Optimize termination of configuration service

2012-04-26T21:19:43Z

Termination no longer tests to see if the configuration service port was successfully created or not. In the unlikely event that the port was not created, attempting to delete the non-existent port is detected gracefully and causes no harm. Signed-off-by: Allan Stephens Signed-off-by: Paul Gortmaker

tipc: Optimize initialization of configuration service

2012-04-26T21:19:42Z

tipc: Optimize re-initialization of configuration service

2012-04-26T21:19:07Z

Streamlines the job of re-initializing TIPC's configuration service when a node's network address is first assigned. Rather than destroying the configuration server port and then recreating it, TIPC now simply withdraws the existing {0,<0.0.0>} name publication and creates a new {0,} name publication that identifies the node's network address to interested subscribers. Signed-off-by: Allan Stephens Signed-off-by: Paul Gortmaker