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* tipc: phase out most of the struct print_buf usageErik Hugne2012-07-141-34/+29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The tipc_printf is renamed to tipc_snprintf, as the new name describes more what the function actually does. It is also changed to take a buffer and length parameter and return number of characters written to the buffer. All callers of this function that used to pass a print_buf are updated. Final removal of the struct print_buf itself will be done synchronously with the pending removal of the deprecated logging code that also was using it. Functions that build up a response message with a list of ports, nametable contents etc. are changed to return the number of characters written to the output buffer. This information was previously hidden in a field of the print_buf struct, and the number of chars written was fetched with a call to tipc_printbuf_validate. This function is removed since it is no longer referenced nor needed. A generic max size ULTRA_STRING_MAX_LEN is defined, named in keeping with the existing TIPC_TLV_ULTRA_STRING, and the various definitions in port, link and nametable code that largely duplicated this information are removed. This means that amount of link statistics that can be returned is now increased from 2k to 32k. The buffer overflow check is now done just before the reply message is passed over netlink or TIPC to a remote node and the message indicating a truncated buffer is changed to a less dramatic one (less CAPS), placed at the end of the message. Signed-off-by: Erik Hugne <erik.hugne@ericsson.com> Signed-off-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
* tipc: use standard printk shortcut macros (pr_err etc.)Erik Hugne2012-07-141-1/+1
| | | | | | | | | | | | | | | | | | | | All messages should go directly to the kernel log. The TIPC specific error, warning, info and debug trace macro's are removed and all references replaced with pr_err, pr_warn, pr_info and pr_debug. Commonly used sub-strings are explicitly declared as a const char to reduce .text size. Note that this means the debug messages (changed to pr_debug), are now enabled through dynamic debugging, instead of a TIPC specific Kconfig option (TIPC_DEBUG). The latter will be phased out completely Signed-off-by: Erik Hugne <erik.hugne@ericsson.com> Signed-off-by: Jon Maloy <jon.maloy@ericsson.com> [PG: use pr_fmt as suggested by Joe Perches <joe@perches.com>] Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
* net: Fix (nearly-)kernel-doc comments for various functionsBen Hutchings2012-07-111-5/+5
| | | | | | | | Fix incorrect start markers, wrapped summary lines, missing section breaks, incorrect separators, and some name mismatches. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* tipc: compress out gratuitous extra carriage returnsPaul Gortmaker2012-04-301-22/+0
| | | | | | | | | | | | | | | 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 <paul.gortmaker@windriver.com>
* tipc: Eliminate trivial buffer manipulation helper routinesAllan Stephens2012-02-241-6/+6
| | | | | | | | | | | | Gets rid of two inlined routines that simply call existing sk_buff manipulation routines, since there is no longer any extra processing done by the helper routines. Note that these changes are essentially cosmetic in nature, and have no impact on the actual operation of TIPC. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
* tipc: Prevent loss of fragmented messages over broadcast linkAllan Stephens2012-02-061-22/+42
| | | | | | | | | | | | | | | | | Modifies broadcast link so that an incoming fragmented message is not lost if reassembly cannot begin because there currently is no buffer big enough to hold the entire reassembled message. The broadcast link now ignores the first fragment completely, which causes the sending node to retransmit the first fragment so that reassembly can be re-attempted. Previously, the sender would have had no reason to retransmit the 1st fragment, so we would never have a chance to re-try the allocation. To do this cleanly without duplicaton, a new bclink_accept_pkt() function is introduced. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
* tipc: Remove obsolete broadcast tag capabilityAllan Stephens2012-02-061-1/+0
| | | | | | | | Eliminates support for the broadcast tag field, which is no longer used by broadcast link NACK messages. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
* tipc: Major redesign of broadcast link ACK/NACK algorithmsAllan Stephens2012-02-061-148/+78
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Completely redesigns broadcast link ACK and NACK mechanisms to prevent spurious retransmit requests in dual LAN networks, and to prevent the broadcast link from stalling due to the failure of a receiving node to acknowledge receiving a broadcast message or request its retransmission. Note: These changes only impact the timing of when ACK and NACK messages are sent, and not the basic broadcast link protocol itself, so inter- operability with nodes using the "classic" algorithms is maintained. The revised algorithms are as follows: 1) An explicit ACK message is still sent after receiving 16 in-sequence messages, and implicit ACK information continues to be carried in other unicast link message headers (including link state messages). However, the timing of explicit ACKs is now based on the receiving node's absolute network address rather than its relative network address to ensure that the failure of another node does not delay the ACK beyond its 16 message target. 2) A NACK message is now typically sent only when a message gap persists for two consecutive incoming link state messages; this ensures that a suspected gap is not confirmed until both LANs in a dual LAN network have had an opportunity to deliver the message, thereby preventing spurious NACKs. A NACK message can also be generated by the arrival of a single link state message, if the deferred queue is so big that the current message gap cannot be the result of "normal" mis-ordering due to the use of dual LANs (or one LAN using a bonded interface). Since link state messages typically arrive at different nodes at different times the problem of multiple nodes issuing identical NACKs simultaneously is inherently avoided. 3) Nodes continue to "peek" at NACK messages sent by other nodes. If another node requests retransmission of a message gap suspected (but not yet confirmed) by the peeking node, the peeking node forgets about the gap and does not generate a duplicate retransmit request. (If the peeking node subsequently fails to receive the lost message, later link state messages will cause it to rediscover and confirm the gap and send another NACK.) 4) Message gap "equality" is now determined by the start of the gap only. This is sufficient to deal with the most common cases of message loss, and eliminates the need for complex end of gap computations. 5) A peeking node no longer tries to determine whether it should send a complementary NACK, since the most common cases of message loss don't require it to be sent. Consequently, the node no longer examines the "broadcast tag" field of a NACK message when peeking. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
* tipc: Add missing locks in broadcast link statistics accumulationAllan Stephens2012-02-061-0/+11
| | | | | | | | | | Ensures that all attempts to update broadcast link statistics are done only while holding the lock that protects the link's main data structures, to prevent interference by simultaneous updates caused by messages arriving on other interfaces. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
* tipc: Fix bug in broadcast link duplicate message statisticsAllan Stephens2012-02-061-0/+2
| | | | | | | | | | Modifies broadcast link so that it increments the "received duplicate message" count if an incoming message cannot be added to the deferred message queue because it is already present in the queue. (The aligns broadcast link behavior with that of TIPC's unicast links.) Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
* tipc: Fix node lock reclamation issues in broadcast link receptionAllan Stephens2012-02-061-18/+40
| | | | | | | | | | | | | | | | Fixes a pair of problems in broadcast link message reception code relating to the reclamation of the node lock after consuming an in-sequence message. 1) Now retests to see if the sending node is still up after reclaiming the node lock, and bails out if it is non-operational. 2) Now manipulates the node's deferred message queue only after reclaiming the node lock, rather than using queue head pointer information that was cached previously. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
* tipc: Add missing broadcast link lock when sending NACKAllan Stephens2012-02-061-0/+2
| | | | | | | | | | Ensures that any attempt to send a NACK message over TIPC's broadcast link has exclusive access to the link's main data structures, to prevent interference with a simultaneous attempt to send other broadcast link traffic (such as application-generated multicast messages). Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
* tipc: rename struct link* to struct tipc_link*Paul Gortmaker2011-12-301-3/+3
| | | | | | | | | | This converts the following: struct link -> struct tipc_link struct link_req -> struct tipc_link_req struct link_name -> struct tipc_link_name Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
* tipc: rename struct bcbearer* to tipc_bcbearer*Paul Gortmaker2011-12-301-10/+10
| | | | | | | This changes both the struct bcbearer and struct bcbearer_pair to have the "tipc_" prefix. Runtime behaviour is unchanged. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
* tipc: rename struct bclink to struct tipc_bclinkPaul Gortmaker2011-12-301-4/+4
| | | | | | | | Make this rename so that it is consistent with the majority of the other tipc structs and to assist in removing any ambiguity with other similar names in other subsystems. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
* tipc: rename struct port_list to struct tipc_port_listPaul Gortmaker2011-12-301-5/+5
| | | | | | | | Make this rename so that it is consistent with the majority of the other tipc structs and to assist in removing any ambiguity with other similar names in other subsystems. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
* tipc: rename struct media to struct tipc_mediaPaul Gortmaker2011-12-301-1/+1
| | | | | | | | | Give it a meaningful prefix, as suggested by DaveM, so that it is consistent with things like struct tipc_bearer, and so it isn't confused with anything else. This has no impact on the actual runtime code behaviour. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
* tipc: Allow use of buf_seqno() helper routine by unicast linksAllan Stephens2011-12-271-5/+0
| | | | | | | | | Migrates the buf_seqno() helper routine from broadcast link level to unicast link level so that it can be used both types of TIPC links. This is a cosmetic change only, 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>
* tipc: Ignore broadcast acknowledgements that are out-of-rangeAllan Stephens2011-12-271-7/+28
| | | | | | | | | | | | | | | | Adds checks to TIPC's broadcast link so that it ignores any acknowledgement message containing a sequence number that does not correspond to an unacknowledged message currently in the broadcast link's transmit queue. This change prevents the broadcast link from becoming stalled if a newly booted node receives stale broadcast link acknowledgement information from another node that has not yet fully synchronized its end of the broadcast link to reflect the current state of the new node's end. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
* tipc: Flush unsent broadcast messages when contact with last node is lostAllan Stephens2011-12-271-1/+11
| | | | | | | | | | Adds code to release any unsent broadcast messages in the broadcast link transmit queue if TIPC loses contact with its only neighboring node. Previously, a broadcast link that was in the congested state would hold on to the unsent messages, even though the messages were now undeliverable. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
* tipc: Minor optimization of broadcast link transmit queue statisticAllan Stephens2011-12-271-4/+4
| | | | | | | | | | | The two broadcast link statistics fields that are used to derive the average length of that link's transmit queue are now updated only after a successful attempt to send a broadcast message, since there is no need to update these values when an unsuccessful send attempt leaves the queue unchanged. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
* tipc: Handle broadcast attempt when no neighboring nodes existAllan Stephens2011-12-271-1/+7
| | | | | | | | | | | | Adds a check to detect when an attempt is made to send a message via the broadcast link and no neighboring nodes are currently available to receive it. Rather than wasting effort passing the message to the broadcast link and broadcast bearer, who will only throw it away, TIPC now frees the message immediately and reports success (i.e. the message has been delivered to all available destinations). Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
* tipc: Ensure broadcast link spinlock is held when updating node mapAllan Stephens2011-12-271-6/+18
| | | | | | | | | | Fixes oversight that allowed broadcast link node map to be updated without first taking the broadcast link spinlock that protects the map. As part of this fix the node map has been incorporated into the broadcast link structure to make the need for such protection more evident. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
* tipc: Eliminate dynamic allocation of broadcast link data structuresAllan Stephens2011-12-271-26/+11
| | | | | | | | | | | | | | | | Creates global variables to hold the broadcast link's pseudo-bearer and pseudo-link structures, rather than allocating them dynamically. There is only a single instance of each structure, and changing over to static allocation allows elimination of code to handle the cases where dynamic allocation was unsuccessful. The memset in the teardown code may look like they aren't used, but the same teardown code is run when there is a non-fatal error at init-time, so that stale data isn't present when the user fixes the cause of the soft error. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
* tipc: Remove obsolete congestion handling when sending a broadcast NACKAllan Stephens2011-09-011-8/+3
| | | | | | | | | Eliminates obsolete code that handles broadcast bearer congestion when the broadast link sends a NACK message, since the broadcast pseudo-bearer never becomes blocked. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
* tipc: Discard incoming broadcast messages that are unexpectedAllan Stephens2011-09-011-2/+11
| | | | | | | | | | | | | | | | | | | Modifies TIPC's incoming broadcast packet handler to discard messages that cannot legally be sent over the broadcast link, including: - broadcast protocol messages that do no contain state information - payload messages that are not named multicast messages - any other form of message except for bundled messages, fragmented messages, and name distribution messages. These checks are needed to prevent TIPC from handing an unexpected message to a routine that isn't prepared to handle it, which could lead to incorrect processing (up to and including invalid memory references caused by attempts to access message fields that aren't present in the message). Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
* tipc: Remove deferred queue head caching during broadcast message receptionAllan Stephens2011-09-011-1/+1
| | | | | | | | | Modifies TIPC's incoming broadcast packet handler so that it no longer pre-reads information about the deferred packet queue, since the cached value is unreliable once the associated node lock has been released. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
* tipc: Fix node lock problems during broadcast message receptionAllan Stephens2011-09-011-13/+23
| | | | | | | | | | | | Modifies TIPC's incoming broadcast packet handler to ensure that the node lock associated with the sender of the packet is held whenever node-related data structure fields are accessed. The routine is also restructured with a single exit point, making it easier to ensure the node lock is properly released and the incoming packet is properly disposed of. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
* tipc: Remove non-executable code to handle broadcast bearer congestionAllan Stephens2011-09-011-21/+0
| | | | | | | | | | Eliminates code associated with the sending of unsent broadcast link traffic when the broadcast pseudo-bearer becomes unblocked following a temporary congestion situation. This code is non-executable because the broadcast pseudo-bearer never becomes blocked [see tipc_bcbearer_send()]. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
* tipc: Cosmetic changes to broadcast bearer send routineAllan Stephens2011-09-011-12/+12
| | | | | | | | | | Updates the comments in the broadcast bearer send routine to more accurately describe the processing done by the routine. Also replaces the improper use of a TIPC payload message error status symbol (in a place that has nothing to do with such errors) with its numeric equivalent. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
* tipc: Update obsolete references to multicast linkAllan Stephens2011-09-011-2/+2
| | | | | | | | | | Updates TIPC's broadcast link in a couple of places that were missed during the transition from its former name ("multicast-link") to its current name ("broadcast-link"). These changes are essentially cosmetic and do not affect the overall operation of TIPC. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
* tipc: Convert fatal broadcast sanity check to non-fatal checkAllan Stephens2011-06-241-1/+5
| | | | | | | | | | | Modifies the existing broadcast link sanity check that detects an attempt to send a message off-node when there are no available destinations so that it no longer causes a kernel panic; instead, the check now issues a warning and stack trace and then returns without sending the message anywhere. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
* tipc: Fix sk_buff leaks when link congestion is detectedAllan Stephens2011-05-101-3/+1
| | | | | | | | | | | Modifies a TIPC send routine that did not discard the outgoing sk_buff if it was not transmitted because of link congestion; this eliminates the potential for buffer leakage in the many callers who did not clean up the unsent buffer. (The two routines that previously did discard the unsent buffer have been updated to eliminate their now-redundant clean up.) Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
* tipc: Remove code to emulate loss of broadcast messagesAllan Stephens2011-05-101-18/+0
| | | | | | | | | Eliminates optional code used to test TIPC's ability to recover from lost broadcast messages. This code duplicates functionality already provided by the network stack's QoS option "network emulator". Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
* tipc: Avoid reliable broadcast preparation for NACK messagesAllan Stephens2011-02-241-0/+1
| | | | | | | | | | | | 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>
* tipc: Improve accuracy of link transmit queue maximum size statisticAllan Stephens2011-02-241-2/+0
| | | | | | | | | | | | | 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>
* tipc: Clean up tracking of node requesting a broadcast retransmitAllan Stephens2011-02-241-2/+14
| | | | | | | | | | 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>
* tipc: Combine bearer structure with tipc_bearer structureAllan Stephens2011-02-241-14/+14
| | | | | | | | | | | | | | | | 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>
* tipc: remove extraneous braces from single statementsAllan Stephens2011-01-011-4/+2
| | | | | | | | | | | | 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>
* tipc: remove zeroing assignments to static global variablesAllan Stephens2011-01-011-4/+4
| | | | | | | | | | | | 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>
* tipc: cleanup various cosmetic whitespace issuesAllan Stephens2011-01-011-1/+1
| | | | | | | | | | | | | 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>
* tipc: remove redundant #includesAllan Stephens2011-01-011-1/+0
| | | | | | | | | 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>
* tipc: Prune down link-specific debugging codeAllan Stephens2011-01-011-13/+0
| | | | | | | | | | | | | | | Eliminates most link-specific debugging code in TIPC, which is now largely unnecessary. All calls to the link-specific debugging macros have been removed, as are the macros themselves; in addition, the optional allocation of print buffers to hold debugging information for each link endpoint has been removed. The ability for TIPC to print out helpful diagnostic information when link retransmit failures occur has been retained for the time being, as an aid in tracking down the cause of such failures. 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>
* tipc: remove calls to dbg() and msg_dbg()Allan Stephens2011-01-011-3/+0
| | | | | | | | | Eliminates obsolete calls to two of TIPC's main debugging macros, as well as a pair of associated debugging routines that are no longer required. 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>
* tipc: Remove prototype code for supporting multiple clustersAllan Stephens2011-01-011-3/+6
| | | | | | | | | | | Eliminates routines, data structures, and files that were intended to allow TIPC to support a network containing multiple clusters. Currently, TIPC supports only networks consisting of a single cluster within a single zone, so this code is unnecessary. 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>
* tipc: Remove obsolete inclusions of header filesAllan Stephens2010-12-021-9/+0
| | | | | | | | | | Gets rid of #include statements that are no longer required as a result of the merging of obsolete native API header file content into other TIPC include files. 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>
* tipc: Remove obsolete native API files and exportsAllan Stephens2010-12-021-0/+1
| | | | | | | | | | | | | | | | | As part of the removal of TIPC's native API support it is no longer necessary for TIPC to export symbols for routines that can be called by kernel-based applications, nor for it to have header files that kernel-based applications can include to access the declarations for those routines. This commit eliminates the exporting of symbols by TIPC and migrates the contents of each obsolete native API include file into its corresponding non-native API equivalent. The code which was migrated in this commit was migrated intact, in that there are no technical changes combined with the relocation. 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>
* tipc: cleanup function namespacestephen hemminger2010-10-161-3/+7
| | | | | | | | | | | | | | | | Do some cleanups of TIPC based on make namespacecheck 1. Don't export unused symbols 2. Eliminate dead code 3. Make functions and variables local 4. Rename buf_acquire to tipc_buf_acquire since it is used in several files Compile tested only. This make break out of tree kernel modules that depend on TIPC routines. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Acked-by: Jon Maloy <jon.maloy@ericsson.com> Acked-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: return operator cleanupEric Dumazet2010-09-231-1/+1
| | | | | | | | | Change "return (EXPR);" to "return EXPR;" return is not a function, parentheses are not required. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* tipc: Fix bug in broadcast link transmit statistics computationAllan Stephens2010-08-181-3/+2
| | | | | | | | | | | | | Modify TIPC's broadcast link so that it counts each piece of a fragmented message individually, rather than as treating the group as a single message. This ensures that proper correlation of sent and received traffic can be done when the broadcast link statistics are displayed, and is consistent with the way fragments are counted by TIPC's unicast links. 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>
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