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2011-03-14tipc: delete extra semicolon blocking node deletionPaul Gortmaker
Remove bogus semicolon only recently introduced in 34e46258cb9f5 that blocks cleanup of nodes for N>1 on shutdown. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13tipc: Eliminate obsolete routine for handling routed messagesAllan Stephens
Eliminates a routine that is used in handling messages arriving from another cluster or zone. Such messages can no longer be received by TIPC now that multi-cluster and multi-zone network support has been eliminated. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13tipc: Eliminate remaining support for routing table messagesAllan Stephens
Gets rid of all remaining code relating to ROUTE_DISTRIBUTOR messages. These messages were only used in multi-cluster and multi-zone networks, which TIPC no longer supports. (For safety, TIPC now treats such messages the same way that it handles other unrecognized messages.) Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13tipc: Remove bearer flag indicating existence of broadcast addressAllan Stephens
Eliminates the flag in the TIPC bearer structure that indicates if the bearer supports broadcasting, since the flag is always set to 1 and serves no useful purpose. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13tipc: Don't respond to neighbor discovery request on blocked bearerAllan Stephens
Adds a check to prevent TIPC from trying to respond to an incoming LINK_CONFIG request message if the associated bearer is currently prohibited from sending messages. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13tipc: Eliminate unnecessary constant for neighbor discovery msg sizeAllan Stephens
Eliminates an unnecessary constant that defines the size of a LINK_CONFIG message, and uses one of the existing standard message size symbols in its place. (The defunct constant was located in the wrong place anyway, since it was grouped with other constants that define message users instead of message sizes.) Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13tipc: Remove unused field in bearer structureAllan Stephens
Eliminates a field in TIPC's bearer objects that is set, but never referenced. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13tipc: Correct misnamed references to neighbor discovery domainAllan Stephens
Renames items that are improperly labelled as "network scope" items (which are represented by simple integer values) rather than "network domain" items (which are represented by <Z.C.N>-type network addresses). This change is purely cosmetic, and does not affect the operation of TIPC. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13tipc: Optimizations to link creation codeAllan Stephens
Enhances link creation code as follows: 1) Detects illegal attempts to add a requested link earlier in the link creation process. This prevents TIPC from wasting time initializing a link object it then throws away, and also eliminates the code needed to do the throwing away. 2) Passes in the node object associated with the requested link. This allows TIPC to eliminate a search to locate the node object, as well as code that attempted to create the node if it doesn't exist. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13tipc: Give Tx of discovery responses priority over link messagesAllan Stephens
Delay releasing the node lock when processing a neighbor discovery message until after the optional discovery response message has been sent. This helps ensure that any link protocol messages sent by a link endpoint created as a result of a neighbor discovery request are received after the discovery response is received, thereby giving the receiving node a chance to create a peer link endpoint to consume those link protocol messages, if one does not already exist. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13tipc: Cosmetic changes to neighbor discovery logicAllan Stephens
Reworks the appearance of the routine that processes incoming LINK_CONFIG messages to keep the main logic flow at a consistent level of indentation, and to add comments outlining the various phases involved in processing each message. This rework is being done to allow upcoming enhancements to this routine to be integrated more cleanly. The diff isn't really readable, so know that it was a case of the old code being like: tipc_disc_recv_msg(..) { if (in_own_cluster(orig)) { ... lines and lines of stuff ... } } which is now replaced with the more sane: tipc_disc_recv_msg(..) { if (!in_own_cluster(orig)) return; ... lines and lines of stuff ... } Instances of spin locking within the reindented block were replaced with the identical tipc_node_[un]lock() abstractions. Note that all these changes are cosmetic in nature, and do not change the way LINK_CONFIG messages are processed. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13tipc: Fix redundant link field handling in link protocol messageAllan Stephens
Ensures that the "redundant link exists" field of the LINK_PROTOCOL messages sent by a link endpoint is set if and only if the sending node has at least one other working link to the peer node. Previously, the bit was set only if there were at least 2 working links to the peer node, meaning the bit was incorrectly left unset in messages sent by a non-working link endpoint when exactly one alternate working link was available. The revised code now takes the state of the link sending the message into account when deciding if an alternate link exists. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13tipc: make msg_set_redundant_link() consistent with other set opsAllan Stephens
All the other boolean like msg_set_X(m) operations don't export both a msg_set_X(a) and a msg_clear_X(m), but instead just have the single msg_set_X(m, val) variant. Make the redundant_link one consistent by having the set take a value, and delete the msg_clear_redundant_link() anomoly. This is a cosmetic change and should not change behaviour. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13tipc: cosmetic - function names are not to be full sentencesPaul Gortmaker
Function names like "tipc_node_has_redundant_links" are unweildy and result in long lines even for simple lines. The "has" doesn't contribute any value add, so dropping that is a slight step in the right direction. This is a cosmetic change, basic result of: for i in `grep -l tipc_node_has_ *` ; do sed -i s/tipc_node_has_/tipc_node_/ $i ; done Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13tipc: Eliminate timestamp from link protocol messagesAllan Stephens
Removes support for the timestamp field of TIPC's link protocol messages. This field was previously used to hold an OS-dependent timestamp value that was used to assist in debugging early versions of TIPC. The field has now been deemed unnecessary and has been removed from the latest TIPC specification. This change has no impact on the operation of TIPC since the field was set by TIPC, but never referenced. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13tipc: manually inline net_start/stop, make assoc. vars staticAllan Stephens
Relocates network-related variables into the subsystem files where they are now primarily used (following the recent rework of TIPC's node table), and converts globals into locals where possible. Changes the initialization of tipc_num_links from run-time to compile-time, and eliminates the net_start routine that becomes empty as a result. Also eliminates the corresponding net_stop routine by moving its (trivial) content into the one location that called the routine. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13tipc: Convert node object array to a hash tableAllan Stephens
Replaces the dynamically allocated array of pointers to the cluster's node objects with a static hash table. Hash collisions are resolved using chaining, with a typical hash chain having only a single node, to avoid degrading performance during processing of incoming packets. The conversion to a hash table reduces the memory requirements for TIPC's node table to approximately the same size it had prior to the previous commit. In addition to the hash table itself, TIPC now also maintains a linked list for the node objects, sorted by ascending network address. This list allows TIPC to continue sending responses to user space applications that request node and link information in sorted order. The list also improves performance when name table update messages are sent by making it easier to identify the nodes that must be notified. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13tipc: Eliminate configuration for maximum number of cluster nodesAllan Stephens
Gets rid of the need for users to specify the maximum number of cluster nodes supported by TIPC. TIPC now automatically provides support for all 4K nodes allowed by its addressing scheme. Note: This change sets TIPC's memory usage to the amount used by a maximum size node table with 4K entries. An upcoming patch that converts the node table from a linear array to a hash table will compact the node table to a more efficient design, but for clarity it is nice to have all the Kconfig infrastruture go away separately. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13tipc: Split up unified structure of network-related variablesAllan Stephens
Converts the fields of the global "tipc_net" structure into individual variables. Since the struct was never referenced as a complete unit, its existence was pointless. This will facilitate upcoming changes to TIPC's node table and simpify upcoming relocation of the variables so they are only visible to the files that actually use them. This change is essentially cosmetic in nature, and doesn't affect the operation of TIPC. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13tipc: Fix problem with missing link in "tipc-config -l" outputAllan Stephens
Removes a race condition that could cause TIPC's internal counter of the number of links it has to neighboring nodes to have the incorrect value if two independent threads of control simultaneously create new link endpoints connecting to two different nodes using two different bearers. Such under counting would result in TIPC failing to list the final link(s) in its response to a configuration request to list all of the node's links. The counter is now updated atomically to ensure that simultaneous increments do not interfere with each other. Thanks go to Peter Butler <pbutler@pt.com> for his assistance in diagnosing and fixing this problem. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13tipc: Add support for SO_RCVTIMEO socket optionAllan Stephens
Adds support for the SO_RCVTIMEO socket option to TIPC's socket receive routines. Thanks go out to Raj Hegde <rajenhegde@yahoo.ca> for his contribution to the development and testing this enhancement. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13tipc: Cosmetic changes to node subscription codeAllan Stephens
Relocates the code that notifies users of node subscriptions so that it is adjacent to the rest of the routines that implement TIPC's node subscription capability. Renames the name table routine that is invoked by a node subscription to better reflect its purpose and to be consistent with other, similar name table routines. These changes are cosmetic in nature, and do not alter the behavior of TIPC. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13tipc: Prevent null pointer error when removing a node subscriptionAllan Stephens
Prevents a null pointer dereference from occurring if a node subscription is triggered at the same time that the subscribing port or publication is terminating the subscription. The problem arises if the triggering routine asynchronously activates and deregisters the node subscription while deregistration is already underway -- the deregistration routine may find that the pointer it has just verified to be non-NULL is now NULL. To avoid this race condition the triggering routine now simply marks the node subscription as defunct (to prevent it from re-activating) instead of deregistering it. The subscription is now both deregistered and destroyed only when the subscribing port or publication code terminates the node subscription. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13tipc: Add network address mask helper routinesAllan Stephens
Introduces a pair of helper routines that convert the network address for a TIPC node into the network address for its cluster or zone. This is a cosmetic change designed to avoid future errors caused by the incorrect use of address bitmasks, and does not alter the existing operation of TIPC. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13tipc: Correct broadcast link peer info when displaying linksAllan Stephens
Fixes a typo in the calculation of the network address of a node's own cluster when generating a response to the configuration command that lists all of the node's links. The correct mask value for a <Z.C.N> network address uses 1's for the 8-bit zone and 12-bit cluster parts and 0's for the 12-bit node part. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13tipc: Allow receiving into iovec containing multiple entriesAllan Stephens
Enhances TIPC's socket receive routines to support iovec structures containing more than a single entry. This change leverages existing sk_buff routines to do most of the work; the only significant change to TIPC itself is that an sk_buff now records how much data has been already consumed as an numeric offset, rather than as a pointer to the first unread data byte. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-02-23tipc: Avoid reliable broadcast preparation for NACK messagesAllan Stephens
Enhance TIPC to skip unnecessary (and, in some cases, redundant) preparation work when sending a broadcast link NACK message, since this preparation is only required for broadcast messages that are sent in a reliable manner. This change also fixes a bug that caused NACK messages to be improperly counted as "TX packets" in TIPC's broadcast link statistics. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-02-23tipc: Remove unused message header field for requested number of linksAllan Stephens
Eliminates support for the "number of requested links" field in a neighbor discovery message. This field was never used and has been removed from the TIPC 2.0 protocol specification. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-02-23tipc: Remove support for per-connection message sequence numberingAllan Stephens
Eliminates TIPC's prototype support for message sequence numbering on routable connections (i.e. connections requiring more than one hop). This capability isn't currently used, and can be removed since TIPC only supports systems in which all inter-node communication can be achieved in a single hop. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-02-23tipc: Add in missing lock during link initializationAllan Stephens
Ensure that the routine that starts up processing on a newly created link endpoint takes the spinlock of the node object that owns the link, to prevent possible conflicts with processing involving other links owned by that node object. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-02-23tipc: Fix port counter handling to correct congestion controlAllan Stephens
Modifies TIPC's congestion control between a connected port and its peer so that it works as documented. The following changes have been made: 1) The counter of the number of messages sent by a port now starts at zero, rather than one. This prevents the port from reporting port congestion one message earlier than it was supposed to. 2) The counter of the number of messages sent by a port is now incremented only if a non-empty message is sent successfully. This prevents the port from becoming permanently congested if too many send attempts are unsuccessful because of congestion (or other reasons). It also removes the risk that empty hand- shaking messages used during connection setup might cause the port to report congestion earlier than it was supposed to. 3) The counter of the number of unacknowledged messages received by a port controlled by an internal TIPC service is now incremented only if the message is non-empty, in order to be consistent with the aforementioned changes. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-02-23tipc: Minor optimization to topology service connection establishmentAllan Stephens
Eliminates a local iovec structure containing no data, which was previously used during the establishment of a topology service connection, since the same effect can be achieved by passing in a NULL pointer and an iovec length of zero. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-02-23tipc: Set unused probe field of link protocol messages to defined valueAllan Stephens
Ensures that a link reset or activate message has a "probe" field of zero. (This field is currently unused in these messages, but this could potentially change in future versions of TIPC.) Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-02-23tipc: Improve accuracy of link transmit queue maximum size statisticAllan Stephens
Enhances TIPC's unicast and broadcast link code to update the transmit queue maximum size counter in a single place, namely the routine that adds messages to the queue. This ensures that the maximum size statistic reported for unicast links is completely accurate, rather than being partially based on statistical sampling. The changes to link.h are just documenting the roles of the variables. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-02-23tipc: Eliminate unnecessary locking when starting topology serviceAllan Stephens
Modifies the initialization code for TIPC's topology service to avoid taking the spinlock protecting the subscriber list, since there is no need to do this. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-02-23tipc: Clean up tracking of node requesting a broadcast retransmitAllan Stephens
Allows the broadcast link to track the node that is requesting a retransmit in a new field dedicated to that purpose. This replaces the existing mechanism that (ab)uses an existing node structure linked list field to do the tracking. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-02-23tipc: Fix print statements that assume pointers are 32-bit valuesAllan Stephens
Corrects print statements that use %x to print pointer values to use %p instead, so that 64-bit pointer values are displayed correctly. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-02-23tipc: Improve handling of invalid link tolerance valuesAllan Stephens
Enhances TIPC link code to ignore an invalid link tolerance value contained in an incoming LINK_PROTOCOL message, rather than processing the value and potentially causing a divide-by-zero error. Also add a compile-time check that catches attempts to redefine TIPC's minimum link tolerance value in a manner that might result in the same divide-by-zero error at run-time. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-02-23tipc: Prevent invalid memory access when sending to configuration serviceAllan Stephens
Reject TIPC configuration service messages without a full message header. Previously, an application that sent a message to the configuration service that was too short could cause the validation code to access an uninitialized field in the msghdr structure, resulting in a memory access exception. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-02-23tipc: Remove unused global variable tipc_user_countAllan Stephens
Eliminates a global variable that was previously used by TIPC's user registry to track the number of distinct applications using TIPC. Due to the recent elimination of the user registry this variable no longer serves any purpose and can be removed. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-02-23tipc: Combine bearer structure with tipc_bearer structureAllan Stephens
Combines two distinct structures containing information about a TIPC bearer into a single structure. The structures were previously kept separate so that public information about a bearer could be made available to plug-in media types using TIPC's native API, while the remaining information was kept private for use by TIPC itself. However, now that the native API has been removed there is no longer any need for this arrangement. Since one of the structures was already embedded within the other, the change largely involves replacing instances of "publ.foo" with "foo". The changes do not otherwise alter the operation of TIPC bearers. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-02-23tipc: Combine port structure with tipc_port structureAllan Stephens
Merge two distinct structures containing information about a TIPC port into a single structure. The structures were previously kept separate so that public information about a port could be made available to applications using TIPC's native API, while the remaining information was kept private for use by TIPC itself. However, now that the native API has been removed there is no longer any need for this somewhat confusing arrangement. Since one of the structures was already embedded within the other, the change largely involves replacing instances of "publ.foo" with "foo". The changes do not otherwise alter the operation of TIPC ports. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-01-01tipc: update log.h re-include protection to reflect new namePaul Gortmaker
The tipc/dbg.h file was recently renamed to tipc/log.h, but the re-include define was not updated accordingly. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-01tipc: remove extraneous braces from single statementsAllan Stephens
Cleans up TIPC's source code to eliminate the presence of unnecessary use of {} around single statements. These changes are purely cosmetic and do not alter the operation of TIPC in any way. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-01tipc: remove zeroing assignments to static global variablesAllan Stephens
Cleans up TIPC's source code to eliminate the needless initialization of static variables to zero. These changes are purely cosmetic and do not alter the operation of TIPC in any way. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-01tipc: split variable assignments out of conditional expressionsAllan Stephens
Cleans up TIPC's source code to eliminate assigning values to variables within conditional expressions, improving code readability and reducing warnings from various code checker tools. These changes are purely cosmetic and do not alter the operation of TIPC in any way. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-01tipc: cleanup various cosmetic whitespace issuesAllan Stephens
Cleans up TIPC's source code to eliminate deviations from generally accepted coding conventions relating to leading/trailing white space and white space around commas, braces, cases, and sizeof. These changes are purely cosmetic and do not alter the operation of TIPC in any way. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-01tipc: recode getsockopt error handling for better readabilityPaul Gortmaker
The existing code for the copy to user and error handling at the end of getsockopt isn't easy to follow, due to the excessive use of if/else. By simply using return where appropriate, it can be made smaller and easier to follow at the same time. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-01tipc: remove pointless check for NULL prior to kfreeAllan Stephens
It is acceptable to call kfree() with NULL, so these checks are not serving any useful purpose. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-01tipc: remove redundant #includesAllan Stephens
Eliminates a number of #include statements that no longer serve any useful purpose. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>