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2017-09-13Doc: Document 'empty' operatorOndrej Zajicek (work)
Thanks to Alexander Zubkov for the notification.
2017-09-12Backport some minor changes from int-newOndrej Zajicek (work)
2017-09-12Nest: VRF support for neighbor cache and olock codeOndrej Zajicek (work)
Actually much simpler than expected.
2017-09-06Basic VRF supportOndrej Zajicek (work)
Add basic VRF (virtual routing and forwarding) support. Protocols can be associated with VRFs, such protocols will be restricted to interfaces assigned to the VRF (as reported by Linux kernel) and will use sockets bound to the VRF. E.g., different multihop BGP instances can use diffent kernel routing tables to handle BGP TCP connections. The VRF support is preliminary, currently there are several limitations: - Recent Linux kernels (4.11) do not handle correctly sockets bound to interaces that are part of VRF, so most protocols other than multihop BGP do not work. This will be fixed by future kernel versions. - Neighbor cache ignores VRFs. Breaks config with the same prefix on local interfaces in different VRFs. Not much problem as single hop protocols do not work anyways. - Olock code ignores VRFs. Breaks config with multiple BGP peers with the same IP address in different VRFs. - Incoming BGP connections are not dispatched according to VRFs. Breaks config with multiple BGP peers with the same IP address in different VRFs. Perhaps we would need some kernel API to read VRF of incoming connection? Or probably use multiple listening sockets in int-new branch. - We should handle master VRF interface up/down events and perhaps disable associated protocols when VRF goes down. Or at least disable associated interfaces. - Also we should check if the master iface is really VRF iface and not some other kind of master iface. - BFD session request dispatch should be aware of VRFs. - Perhaps kernel protocol should read default kernel table ID from VRF iface so it is not necessary to configure it. - Perhaps we should have per-VRF default table.
2017-09-05KRT: Fix IPv6 ECMP handling with Linux 4.11+Ondrej Zajicek (work)
Starting from Linux 4.11, IPv6 ECMP routes are now notified using RTA_MULTIPATH, like IPv4 ones. The patch adds support for RTA_MULTIPATH parsing for IPv6 routes. This also enables to parse ECMP alien routes correctly. Thanks to Vincent Bernat for the original patch.
2017-09-04BSD: Fix alignment issueOndrej Zajicek (work)
Incorrect structure alignment breaks kernel routing table updates on FreeBSD/ARM (and perhaps other platforms). Thanks to Eugene Sevastyanov for the original patch.
2017-09-04Merge branch 'gitlab-ci'Michal 'vorner' Vaner
2017-09-04Gitlab CI supportMichal 'vorner' Vaner
Add configuration and docker definitions for tests and builds in Gitlab CI platform. Some of them currently fail, which is a known problem.
2017-08-30RAdv: Some style nitpicksOndrej Zajicek (work)
2017-08-30RAdv: Configure how long a dead prefix is advertisedMichal 'vorner' Vaner
2017-08-30RAdv: Buffer prefixes awhile after they disappearMichal 'vorner' Vaner
Keep a cache of all the relevant prefixes we send out. When a prefix appears, insert it into the cache. If it dies, keep it there for a while, marked as dead. Send out the dead prefixes with zero lifetime.
2017-08-30RAdv: Extract prefix option preparationMichal 'vorner' Vaner
Put the prefix option preparation into a separate function. We're going to reuse that bit of code.
2017-08-22Client: Fix includeOndrej Zajicek (work)
2017-08-10Nicer log outputMichal 'vorner' Vaner
non-primary is ugly, just omit it (and use primary in the other case).
2017-08-10Less confusing log messageMichal 'vorner' Vaner
A non-primary address isn't necessarily secondary, that's an independent flag.
2017-08-09Gitignore: File created by autoreconfMichal 'vorner' Vaner
2017-08-09Drop stale TODOMichal 'vorner' Vaner
A TODO file last updated 5 years ago is useless.
2017-08-09RAdv: Fix typoOndrej Zajicek (work)
2017-08-09RAdv: Style updatesMichal 'vorner' Vaner
Adapt the naming conventions to be a bit closer to the other protocols. proto_radv -> radv_proto struct radv_proto *ra -> struct radv_proto *p struct proto *p -> struct proto *P
2017-08-09radv: Fix RFC reference in commentsMichal 'vorner' Vaner
2017-06-19Filters: Do not clamp EC set values to 16 bit for EC_GENERICsOndrej Zajicek (work)
Thanks to Lennert Buytenhek <buytenh@wantstofly.org> for the patch.
2017-05-31CLI: Fix bug in symbol handling introduced in previous patchesOndrej Zajicek (work)
2017-05-30Workaround for older bisonsOndrej Zajicek (work)
2017-05-25Conf: Replace keyword and symbol hash table with generic hash table.Ondrej Zajicek (work)
The old hash table had fixed size, which makes it slow for config files with large number of symbols and symbol lookups. The new one is growing according to needs.
2017-05-23Client: Fix isspace() callsOndrej Zajicek (work)
Function isspace() expects to get *unsigned* chars (encoded as ints), not that it matters for plain ASCII.
2017-05-18Fix some forgotten warningsOndrej Zajicek (work)
2017-05-17Fix of the previous commitOndrej Zajicek (work)
2017-05-17History lib may be integrated to Readline libOndrej Zajicek (work)
2017-05-17Fix build on systems with dirty headersOndrej Zajicek (work)
2017-05-17One more configure cleanupOndrej Zajicek (work)
Simplify BIRD client library checks, add proper devel header checks and prefer dependency on just tinfo than full ncurses.
2017-05-16Remove autoconf macros for time_t and alignmentOndrej Zajicek (work)
Replaced by constant compile-time expressions. CPU_STRUCT_ALIGN is not really correct, but is consistent with the old behavior.
2017-05-16Minor autoconf cleanupsOndrej Zajicek (work)
Make indentation and quotation consistent in configure macros. Also remove --with-sysinclude option, which was broken for 7 years and nobody complained. Thanks to Ruben Kerkhof for source patches.
2017-05-16Minor autoconf cleanup and documentation updateOndrej Zajicek (work)
2017-05-16Some more autoconf cleanupsOndrej Zajicek (work)
Replace integer type width detection with C99 fixed-width types. Also remove some unused or obsolete code. Thanks to Ruben Kerkhof for the patchset.
2017-03-14Some autoconf cleanupsOndrej Zajicek (work)
The patch allows to use autoreconf, replaces some long obsolete constructs and does some other minor cleanups. Also, the file configure.in is renamed to configure.ac, as the old name has been deprecated for a long time. Thanks to Ruben Kerkhof for the patchset.
2017-03-14BGP: Allow to specify interface for regular sessionsOndrej Zajicek (work)
This may be useful if multple interfaces share the same network range. Thanks to Fritz Grimpen for the original patch.
2017-03-14BGP: Fix bug in ADD_PATHOndrej Zajicek (work)
When a BGP session with ADD_PATH is restarted and the neighbor do not announce ADD_PATH capability during reconnect, the accept_ra_types is still set to RA_ANY. Thanks to Lennert Buytenhek for the bugreport
2017-02-23BGP: Allow exchanging LOCAL_PREF with eBGP peersOndrej Zajicek (work)
Adds option 'allow bgp_local_pref' to override the usual restriction of LOCAL_PREF on eBGP sessions. Thanks to Lennert Buytenhek for the patch.
2017-02-19BGP: Update RFC referencesOndrej Zajicek (work)
2017-02-19Doc: Fix RIP exampleOndrej Zajicek (work)
Thanks to Steve Leung for the bugreport.
2017-02-17Static: Fix bug in static route filter expressionsOndrej Zajicek (work)
During reconfiguration, old and new filter expressions in static routes are compared using i_same() function. When filter expressions contain function calls, it is necessary that old filter expressions are the second argument in i_same(), as it is internally modified by i_same(). Otherwise pointers to old (and freed) data appear in the config structure. Thanks to Lennert Buytenhek for tracking and reporting the bug.
2017-01-24Filter: Fix missing case for !~ operatorOndrej Zajicek (work)
Thanks to Vincent Bernat for the patch.
2017-01-17Fix IP_HDRINCL usage on FreeBSD 11Ondrej Zajicek (work)
FreeBSD 11 changed endianity of ip_len field from host order to network order. Also DragonFly BSD allegedly expects network order here. Thanks to Olivier Cochard-Labbé for the patch.
2016-12-21NEWS and version updatev1.6.3Ondrej Zajicek (work)
2016-12-20Netlink: fix occasional netlink hangs on busy machinesJan Moskyto Matejka
2016-12-15OSPF: Fix ECMP external mergingOndrej Zajicek (work)
The variable nfa is not cleaned before each loop iteration and can have a wrong value of nfa.nhs_reuse from the previous step. Thanks to Bernardo Figueiredo for the bugreport and analysis.
2016-12-13OSPF: Fix net-summary origination combined with stubnet optionOndrej Zajicek (work)
Stubnet nodes in OSPF FIB were removed during rt_sync(), but the pointer remained in top_hash_entry.nf, so net-summary LSA origination was confused, reported 'LSA ID collision' and net-summary LSAs were not originated properly. Thanks to Naveen Chowdary Yerramneni for bugreport and analysis.
2016-11-25BGP: Fix memory leak in graceful restart codeOndrej Zajicek (work)
Prefix and bucket tables are initialized when entering established state but not explicitly freed when leaving it (that is handled by protocol restart). With graceful restart, BGP may enter and leave established state multiple times without hard protocol restart causing memory leak.
2016-11-15BGP: Cluster list item should be prependedOndrej Zajicek (work)
Commit 3c09af41... changed behavior of int_set_add() from prepend to append, which makes more sense for community list, but prepend must be used for cluster list. Add int_set_prepend() and use it in cluster list handling code.
2016-11-08Minor code cleanupsOndrej Zajicek (work)
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