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2012-09-26lib: bring some changes over from bgp_table to tableAvneesh Sachdev
* lib/table.c - Maintain table node count. Expose it via the route_table_count() function (from revision cbdfbaa5). - route_unlock_node(): Add assertion (from revision 228da428). - route_table_free(): Make static and fix up cleanup code (from revision 228da428). - route_node_delete(): Change to be static. - Add 'const' qualifier in a couple places. Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
2012-09-25build: fix extract.pl for cross compilationSerj Kalichev
extract.pl should invoke the C preprocessor for the target system, not the host. * vtysh/extract.pl.in: use @CPP@ to get target cpp Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
2012-09-25ripd: clear sockaddr_in before usingNick Hilliard
ripd_create_socket() failed in bind() on Mac OS X 10.7 since there was garbage in unused fields of struct sockaddr_in. * ripd/ripd.c: zero out struct sockaddr_sin from before filling. Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
2012-09-25build: fix autoconf multicast check on OpenBSDBrad Smith
Fix the "BSD struct ip_mreq hack" autoconf test to work with OpenBSD. Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
2012-09-25build: correct libtool parameter used within MakefilesBrad Smith
This corrects the parameters passed to libtool when linking the shared libraries. The paramter name is -version-info not -version. Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
2012-07-25ospfd: Do not fall back to intervening router.Joakim Tjernlund
The patch in bug 330 did two things. It add a return value whether ospf_nexthop_calculation() failed or not and also moved the return stmt for 16.1.1 para 5 so now SPF will fallback to the intervening router when no back links are found by 16.1.1 para 5. This is wrong and can potentially create black holes or routing loops according to Dave Katz and Acee Lindem at ospf@ietf.org Even if the current code could be proved to be harmless in all cases, it adds substantial extra processing and memory allocations. Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se> Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
2012-07-25ospfd: use ZEBRA_NEXTHOP_IPV4_IFINDEXJoakim Tjernlund
OSPF really needs to specify interface in its routes. Otherwise ospf may change the wrong route. Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se> [fixed up some whitespace errors, split patch in two] Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
2012-07-25zebra: Add support for ZEBRA_NEXTHOP_IPV4_IFINDEXJoakim Tjernlund
Actually implement the IPV4_IFINDEX nexthop type that has been drifting around as a definition forever (without any warning about it being a placeholder). Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se> Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
2012-07-25ospf_spf_process_stubs: use LSA pos to find OSFP interfaceJoakim Tjernlund
This is better than a prefix lookup as prefixes may not be unique, that is, the same prefix can exist on several interfaces. Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se> Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
2012-07-25ospfd: Optimize and improve SPF nexthop calculationJoakim Tjernlund
Maintain router LSA positions in OSPF interface. Find the OSPF interface in nexthop_calculation using the position in the router LSA. This is possible because the only time nexthop_calculation needs to look up interfaces is when dealing with its own Router LSA. This has the following advantages: - Multiple PtP interfaces with the same IP address between two routers. - Use Unnumbered PtP on just one end of the link. - Faster OI lookup for the OSPF interface and only done once for PtoP links. *ospf_interface.h: (struct ospf_interface) Add storage for storing router LSA position. *ospf_interface.c: (ospf_if_lookup_by_lsa_pos) lookup OSPF I/F in an area using LSA position. *ospf_lsa.c: (router_lsa_link_set) record Router LSA position. *ospf_spf.c: (ospf_spf_next) Count and pass along lsa position. (ospf_nexthop_calculation) Add lsa position argument. call ospf_if_lookup_by_lsa_pos() for OSFP interface handle. Clean up and remove all calls ospf_if_is_configured() the rest. Adjust a few debug logs. Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se> Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
2012-07-25ospfd: avoid exhausting memory with OSPF vertices (BZ#476)David Lamparter
This was found in scale testing at OSR; ospfd is adding the same link over and over again to the SPF tree. This fix prevents the resulting memory corruption from happening and adds a debug message to track occurence of this issue and/or confirm a proper fix. (This version was improved by Scott Feldman over the earlier RFC.) * ospfd/ospf_spf.c: (ospf_spf_add_parent) loop over existing vertices and refuse to add duplicates. Tested-by: Martin Winter <mwinter@opensourcerouting.org> Signed-off-by: Scott Feldman <sfeldma@cumulusnetworks.com> Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
2012-07-19lib: make IPv6 prefix parser slightly more strictDavid Lamparter
This makes it possible to have both "show babel route A.B.C.D/M" and "show babel route X:X::X:X/M" commands at the same time without the parser complaining about ambiguity. * lib/command.c: only accept STATE_DOT after : was seen. Reported-by: Juliusz Chroboczek <jch@pps.jussieu.fr> Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
2012-07-19build: fix isisd topology out of tree buildDavid Lamparter
isisd got the include directory wrong on building with a separate build directory. * configure.ac: adjust ISIS_TOPOLOGY_INCLUDES Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
2012-07-13zebra: lingering IP address after deletion (BZ#486)David Lamparter
zebra address bookkeeping is a mess. this is just a workaround to have IPv4 address deletion somewhat working on Linux. the if_unset_prefix call is synchronous, when it returns success the address deletion completed successfully. this is either signaled by a netlink ACK or by an OK return value from ioctl(). This version is wrapped by #ifdef HAVE_NETLINK so we don't touch the BSDs for now. * zebra/interface.c: On Linux, update zebra internal state after deleting an address. Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
2012-07-13configure: Add --with-pkg-extra-version=VER for packagers/distributions.Joachim Nilsson
This change adds a --with-pkg-extra-version option to ./configure to allow packagers and distributions to fine tune the version displayed to the end user to assist in support. It is also very useful when reporting bugs on the official Quagga mailing lists. There are two ways of utilsing this functionality: a) ./configure --with-pkg-extra-version=-wmo1 b) EXTRAVERSION=-wmo1 ./configure The latter is a common way for many distributions to add extra version strings to signify their own patch level to a given package. Also, minor whitespace fix in configure summary. Signed-off-by: Joachim Nilsson <joachim.nilsson@westermo.se> Signed-off-by: Joachim Nilsson <troglobit@gmail.com> Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
2012-07-13Merge remote branch 'vincentbernat/feature/ospfv3-mib'David Lamparter
2012-07-13Merge remote branch 'vincentbernat/feature/agentx'David Lamparter
2012-07-10ospf6d: fix segfault when requesting inexistant interfaces or areasVincent Bernat
2012-06-25ospf6d: add SNMP notifications/traps supportVincent Bernat
Only implement ospfv3NbrStateChange and ospfv3IfStateChange.
2012-06-25ospf6d: add SNMP support for ospfv3*LsdbTableVincent Bernat
This includes: - ospfv3AsLsdbTable - ospfv3AreaLsdbTable - ospfv3LinkLsdbTable
2012-06-25ospf6d: add SNMP implementation of ospfv3IfTableVincent Bernat
2012-06-25ospf6d: complete SNMP implementation of ospfv3AreaTableVincent Bernat
2012-06-25ospf6d: complete SNMP implementation for scalar objectsVincent Bernat
2012-06-25ospf6d: add SNMP support for ospfv3NbrTableVincent Bernat
2012-06-25snmp: fix OSPFV3-MIB implementationVincent Bernat
Use the real MIB from RFC 5643. Fix used ASN1 types. Indexes are not exported any more (they are "no access"). Fix some endian issues. Also, ID are just integers, not IPv4 addresses. No additional OID are supported in this commit.
2012-06-25snmp: let handlers accept OID from a lesser prefixVincent Bernat
Most table handlers do not expect to be given an OID whose prefix is outside what they can handle. This is not a problem with the SMUX implementation since it always correct the OID such that the prefix matches. However, this is not the case for the AgentX implementation. A new function, smux_header_table() is used to do this normalization.
2012-06-25agentx: add appropriate documentationVincent Bernat
2012-06-25agentx: handle SNMP trapsVincent Bernat
smux_trap() signature has been changed to provide appropriate level information to send SNMPv2 notifications. This includes the addition of the enterprise OID to use (from which is derived the SNMP trap OID) and the MIB registry to locate the appropriate function for variable bindings provided by the trap. The SMUX implementation has been updated but ignore the provided enterprise OID. Instead, it still uses the SMUX peer OID to keep compatibility with previous versions of Quagga. The SMUX implementation also ignores the provided MIB registry since it uses smux_get() function to grab the appropriate values. This is not possible with the AgentX implementation since there is no such function provided by NetSNMP.
2012-06-25smux: drop findVar element from trap object structVincent Bernat
This element was not unused.
2012-06-25smux: remove `tick` argument from smux_trap()Vincent Bernat
smux_trap() contains an argument whose use appears to be to set sysUpTime.0/timestamp field in SNMP trap. However, this value is not used in smux_trap(). Moreover, it is expected that this field is the value of sysUpTime.0 when the trap was sent and not any other time related to the trap. To avoid any confusion, we remove this field from the signature of the function.
2012-06-25agentx: add AgentX support to Quagga.Vincent Bernat
--enable-snmp will enable AgentX support in Quagga. SMUX is still here and can be enabled with --enable-snmp=smux. AgentX support can be enabled with "agentx" in configuration file. As for SMUX, this command is not understood by vtysh. It can be disabled with "no agentx", though there is no real use of this since this command cannot be used with vtysh. If "agentx" and "no agentx" command were added to vtysh, it would not be possible to disable agentx support after enabling it because NetSNMP does not expose the appropriate methods for this. The internals of AgentX are hidden by NetSNMP. Therefore, we don't have a file descriptor to add to the threading system. We do not have the timers to set either. Therefore, the event loop is modified to make use of snmp_select_info() from NetSNMP. Traps are not supported yet.
2012-06-25smux: isolate SMUX implementation from SNMP implementationVincent Bernat
lib/snmp.c gets OID related helper functions that can be used with another SNMP interface. smux.h is cleaned of SMUX specific bits to only expose functions that may be used by an alternative implementation. We also do not redefine functions already present in NetSNMP. Just use the appropriate headers.
2012-06-25build: use net-snmp-config to configure NetSNMPVincent Bernat
The correct method to link to NetSNMP is to use net-snmp-config (which is like pkg-config). Explicit link to libcrypto is also dropped (NetSNMP libs are linked to libcrypto, no need to link Quagga to it). Moreover, @SNMP_INCLUDES@ is dropped because useless. Due to a bug in configure.ac, it was properly populated.
2012-06-25build: only define HAVE_SNMPVincent Bernat
NetSNMP is the only SNMP implementation for Quagga. We don't need two different symbols.
2012-06-25build: allow configure and build in a separate directoryVincent Bernat
Some .h files in lib/ are autogenerated. The search path should include the build directory and the source directory. They usually match but sometimes, they may be different. For example: $ mkdir build $ cd build $ ../configure $ make
2012-06-21isisd: fix typo in topology generator (BZ#731)David Lamparter
There was a "lsp->" missing before "level" in line 2416. (introduced by git commit e38e0df) Reported-by: Seblu <seblu@seblu.net> Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
2012-06-21bgpd: Partially revert f018db8, fixes BZ#730Jorge Boncompte [DTI2]
The change from bgp_node_get() to bgp_node_lookup() broke aggregation. Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net> Tested-by: Martin Winter <mwinter@opensourcerouting.org> Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
2012-06-21bgpd: Fix for commit 6a4677b7, fixes BZ#729Jorge Boncompte [DTI2]
The timers are rearmed after events processing. After 6a4677b7 we do not generate events that can rearm the holdtime timer. Fix it's to call bgp_timer_set() directly as it's done from bgp_event(). Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net> Tested-by: Martin Winter <mwinter@opensourcerouting.org> Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
2012-06-19tests: BGP unit tests to set BGP_OPT_NO_LISTEN so they can runPaul Jakma
BGP tests had been broken by auto-creation of listen socket. This allows them to run at least, though at least 1 test seems to have other breakage, aspath_test.
2012-06-14bgpd: Add "no listen" socket option for the BGP master configurationPaul Jakma
* bgpd.h: add a BGP_OPT_NO_LISTEN option for the master BGP configuration, to prevent any listen socket being created automatically. Allows code to be used outside of BGP daemon settings. * bgpd.c: (bgp_get) honour above the flag, suppress auto-creation of listen socket on first BGP instance if set. (bgp_option_set) whitelist BGP_OPT_NO_LISTEN
2012-06-14lib: Add back sockunion_str2suPaul Jakma
* sockunion.h: Add back sockunion_str2su, its removal breaks things needlessly (e.g. our own unit tests). * sockunion.c: (sockunion_str2su) implement on top of str2sockunion.
2012-06-13Revert "bgpd: Make socket init separate, so unit tests work again."Paul Jakma
This reverts commit 7621f336e2f346edee43227f0b1ef93fe769720b. See bug #727
2012-05-22lib: do not allocate/free thread funcnamesJorge Boncompte [DTI2]
This avoids memory heap fragmentation and imposses less load on the system memory allocator. * thread.h: FUNCNAME_LEN defined to 64 (ISO C99 says max 63) Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net> [changed FUNCNAME_LEN to a less arbitrary value] Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
2012-05-22lib: micro-op for thread_get()Jorge Boncompte [DTI2]
thread_trim_head() already checks that the list is not empty. Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net> Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
2012-05-22lib: remove RUSAGE_T from struct threadJorge Boncompte [DTI2]
* thread.c: It's only temporarily used in thread_call() to calculate the diffs. Saves 80 bytes per copy. Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net> Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
2012-05-22micro-op bgp_node_[get|lookup]() and route_node_[get|lookup]()Jorge Boncompte [DTI2]
Reduce indirection for values that doesn't change in the loop. Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net> [adjusted after dropping previous patch] Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
2012-05-22bgpd: optimize bgp_aggregate_[increment|decrement]()Jorge Boncompte [DTI2]
If there were no aggregates configured this functions were allocating and freeing a struct bgp_node for every call, and it's called for every prefix received. * bgp_route.c: Bail out early if the there are no aggregates configured. Change from bgp_node_get() to bgp_node_lookup() that does not allocate a new struct bgp_node if not found. Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net> Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
2012-05-22bgpd: optimize bgp_update_main() in the soft_reconfig caseJorge Boncompte [DTI2]
Avoids 3 checks per call. Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net> Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
2012-05-22bgpd: optimize holdtime timer cancellingJorge Boncompte [DTI2]
* bgp_packet.c: (bgp_update_receive) for every update received we queue an event just to cancel the holdtime timer, done in bgp_fsm_update(). Instead cancel the timer directly an avoid a scheduling pass. This incidently fixes another problem found on a slow box, where thousands of events threads were queued, and run, but never freed, because they are moved to the unused list that grows without bounds. Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net> Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
2012-05-22bgpd: Remove useless initializationJorge Boncompte [DTI2]
It's initialized below Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net> Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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