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2015-03-05tipc: add ip/udp media typeErik Hugne1-0/+8
The ip/udp bearer can be configured in a point-to-point mode by specifying both local and remote ip/hostname, or it can be enabled in multicast mode, where links are established to all tipc nodes that have joined the same multicast group. The multicast IP address is generated based on the TIPC network ID, but can be overridden by using another multicast address as remote ip. Signed-off-by: Erik Hugne <erik.hugne@ericsson.com> Reviewed-by: Jon Maloy <jon.maloy@ericsson.com> Reviewed-by: Ying Xue <ying.xue@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-08tipc: convert tipc reference table to use generic rhashtableYing Xue1-12/+0
As tipc reference table is statically allocated, its memory size requested on stack initialization stage is quite big even if the maximum port number is just restricted to 8191 currently, however, the number already becomes insufficient in practice. But if the maximum ports is allowed to its theory value - 2^32, its consumed memory size will reach a ridiculously unacceptable value. Apart from this, heavy tipc users spend a considerable amount of time in tipc_sk_get() due to the read-lock on ref_table_lock. If tipc reference table is converted with generic rhashtable, above mentioned both disadvantages would be resolved respectively: making use of the new resizable hash table can avoid locking on the lookup; smaller memory size is required at initial stage, for example, 256 hash bucket slots are requested at the beginning phase instead of allocating the entire 8191 slots in old mode. The hash table will grow if entries exceeds 75% of table size up to a total table size of 1M, and it will automatically shrink if usage falls below 30%, but the minimum table size is allowed down to 256. Also converts ref_table_lock to a separate mutex to protect hash table mutations on write side. Lastly defers the release of the socket reference using call_rcu() to allow using an RCU read-side protected call to rhashtable_lookup(). Signed-off-by: Ying Xue <ying.xue@windriver.com> Acked-by: Jon Maloy <jon.maloy@ericsson.com> Acked-by: Erik Hugne <erik.hugne@ericsson.com> Cc: Thomas Graf <tgraf@suug.ch> Acked-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-17tipc: add InfiniBand media typePatrick McHardy1-0/+7
Add InfiniBand media type based on the ethernet media type. The only real difference is that in case of InfiniBand, we need the entire 20 bytes of space reserved for media addresses, so the TIPC media type ID is not explicitly stored in the packet payload. Sample output of tipc-config: # tipc-config -v -addr -netid -nt=all -p -m -b -n -ls node address: <10.1.4> current network id: 4711 Type Lower Upper Port Identity Publication Scope 0 167776257 167776257 <10.1.1:1855512577> 1855512578 cluster 167776260 167776260 <10.1.4:1216454657> 1216454658 zone 1 1 1 <10.1.4:1216479235> 1216479236 node Ports: 1216479235: bound to {1,1} 1216454657: bound to {0,167776260} Media: eth ib Bearers: ib:ib0 Nodes known: <10.1.1>: up Link <broadcast-link> Window:20 packets RX packets:0 fragments:0/0 bundles:0/0 TX packets:0 fragments:0/0 bundles:0/0 RX naks:0 defs:0 dups:0 TX naks:0 acks:0 dups:0 Congestion bearer:0 link:0 Send queue max:0 avg:0 Link <10.1.4:ib0-10.1.1:ib0> ACTIVE MTU:2044 Priority:10 Tolerance:1500 ms Window:50 packets RX packets:80 fragments:0/0 bundles:0/0 TX packets:40 fragments:0/0 bundles:0/0 TX profile sample:22 packets average:54 octets 0-64:100% -256:0% -1024:0% -4096:0% -16384:0% -32768:0% -66000:0% RX states:410 probes:213 naks:0 defs:0 dups:0 TX states:410 probes:197 naks:0 acks:0 dups:0 Congestion bearer:0 link:0 Send queue max:1 avg:0 Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-11net/tipc: remove depends on CONFIG_EXPERIMENTALKees Cook1-2/+2
The CONFIG_EXPERIMENTAL config item has not carried much meaning for a while now and is almost always enabled by default. As agreed during the Linux kernel summit, remove it from any "depends on" lines in Kconfigs. CC: Jon Maloy <jon.maloy@ericsson.com> CC: Allan Stephens <allan.stephens@windriver.com> CC: "David S. Miller" <davem@davemloft.net> Signed-off-by: Kees Cook <keescook@chromium.org> Acked-by: David S. Miller <davem@davemloft.net>
2012-11-22tipc: delete TIPC_ADVANCED Kconfig variablePaul Gortmaker1-12/+1
There used to be a time when TIPC had lots of Kconfig knobs the end user could alter, but they have all been made automatic or obsolete, with the exception of CONFIG_TIPC_PORTS. This previously existing set of options was all hidden under the TIPC_ADVANCED setting, which does not exist in any code, but only in Kconfig scope. Having this now, just to hide the one remaining "advanced" option no longer makes sense. Remove it. Also get rid of the ifdeffery in the TIPC code that allowed for TIPC_PORTS to be possibly undefined. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2012-07-13tipc: remove print_buf and deprecated log buffer codeErik Hugne1-13/+0
The internal log buffer handling functions can now safely be removed since there is no code using it anymore. Requests to interact with the internal tipc log buffer over netlink (in config.c) will report 'obsolete command'. This represents the final removal of any references to a struct print_buf, and the removal of the struct itself. We also get rid of a TIPC specific Kconfig in the process. Finally, log.h is removed since it is not needed anymore. 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>
2012-07-13tipc: remove TIPC packet debugging functions and macrosErik Hugne1-12/+0
The link queue traces and packet level debug functions served a purpose during early development, but are now redundant since there are other, more capable tools available for debugging at the packet level. The TIPC_DEBUG Kconfig option is removed since it does not provide any extra debugging features anymore. This gets rid of a lot of tipc_printf usages, which will make the pending cleanup work of that function easier. 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>
2011-03-13tipc: Eliminate configuration for maximum number of cluster nodesAllan Stephens1-12/+0
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>
2011-01-01tipc: cleanup various cosmetic whitespace issuesAllan Stephens1-1/+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>
2011-01-01tipc: Finish streamlining of debugging codeAllan Stephens1-4/+7
Completes the simplification of TIPC's debugging capabilities. By default TIPC includes no debugging code, and any debugging code added by developers that calls the dbg() and dbg_macros() is compiled out. If debugging support is enabled, TIPC prints out some additional data about its internal state when certain abnormal conditions occur, and any developer-added calls to the TIPC debug macros are compiled in. 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 prototype code for supporting multiple clustersAllan Stephens1-10/+0
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>
2011-01-01tipc: Remove prototype code for supporting multiple zonesAllan Stephens1-12/+0
Eliminates routines, data structures, and files that were intended to allows TIPC to support a network containing multiple zones. 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>
2010-01-19tipc: Clean up configuration fileAllan Stephens1-46/+27
This patch addresses a number of minor (mostly cosmetic) issues relating to the configuration of TIPC, including the following: - Corrects range limits for maximum number of ports per node - Adds missing range limits for size of log buffer - Removes configuration setting relating to unsupported slave node capability - Standardizes description and help text wording for configuration settings - Removes unneeded blank spaces Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-03tipc: use kconfig to limit numeric rangesAmerigo Wang1-2/+6
We can rely on kconfig to limit these numbers, no need to limit them at compile time/run time. Users who modify these numbers manually should be responsible for themself. :) Signed-off-by: WANG Cong <amwang@redhat.com> Cc: Per Liden <per.liden@ericsson.com> Cc: Jon Maloy <jon.maloy@ericsson.com> Cc: Allan Stephens <allan.stephens@windriver.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-05-24[TIPC]: Use menuconfig objects.Jan Engelhardt1-13/+11
Use menuconfigs instead of menus, so the whole menu can be disabled at once instead of going through all options. Signed-off-by: Jan Engelhardt <jengelh@gmx.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-05-02kconfig: fix path to modules.txt in Kconfig helpAlexander E. Patrakov1-1/+1
Documentation/modules.txt doesn't exist, but Documentation/kbuild/modules.txt does. Signed-off-by: Alexander E. Patrakov Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2006-01-18[TIPC] Add help text for TIPC configuration optionPer Liden1-1/+6
Signed-off-by: Per Liden <per.liden@ericsson.com>
2006-01-12[TIPC] Initial mergePer Liden1-0/+112
TIPC (Transparent Inter Process Communication) is a protocol designed for intra cluster communication. For more information see http://tipc.sourceforge.net Signed-off-by: Per Liden <per.liden@nospam.ericsson.com>
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