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101 commits

Author SHA1 Message Date
Jan Moskyto Matejka 3e236955c9 Build: switch on -Wextra, get rid of most of the warnings 
There are several unresolved -Wmissing-field-initializers on older
versions of GCC than 5.1, all of them false positive.
 2016-11-01 14:52:54 +01:00
Ondrej Zajicek (work) ea0cb652e9 BGP: Fix extended messages 
Change attribute length limit to handle extended (64 kB) messages.

Do not mix updates and withdraws (RFC 7606).
 2016-07-11 20:41:32 +02:00
Ondrej Zajicek (work) 52e21323b6 BGP: Update capability number from IANA for extended messages 2015-11-25 15:52:58 +01:00
Ondrej Zajicek 06e0d1b692 BGP: Extended messages support 
Implements draft-ietf-idr-bgp-extended-messages-10, for now
undocumented and with temporary private capability number.
 2015-07-18 13:38:21 +02:00
Pavel Tvrdík ae80a2de95 unsigned [int] -> uint 2015-06-08 02:24:08 +02:00
Ondrej Zajicek d924d5a562 BGP: Fixes serious bug in TX handling 
Under some circumstances and heavy load, TX could be postponed
until the session fails with hold timer expired.

Thanks to Javor Kliachev for making the bug reproductible.
 2015-04-01 00:10:00 +02:00
Ondrej Zajicek 2eadd36fa0 BGP: AS-wide unique router ID (RFC 6286) support 
RFC 6286 relaxed rules for router IDs, allowing EBGP sessions between
routers with the same ID (but different ASN).
 2015-03-29 21:24:47 +02:00
Ondrej Zajicek 9aed29e605 BGP: Enhanced route refresh (RFC 7313) support 
Also hook feed_done is renamed to feed_end.
 2015-03-29 18:29:49 +02:00
Ondrej Zajicek 509aab5deb Fixes serious bug in BGP add-path 
Temporary rta is reused in BGP, while rta_lookup() breaks it.

Thanks to Alexander Chernikov for analysing the problem.
 2015-03-02 10:58:20 +01:00
Ondrej Zajicek 88a183c6c9 Integrated IP functions. 2014-10-24 11:11:43 +02:00
Ondrej Zajicek 1123e70740 Implements token bucket filter for rate limiting. 2014-10-02 12:52:50 +02:00
Ondrej Zajicek 66370eac1f Fixes BGP crash when update with some attributes and empty NLRI is received. 
Thanks to Charlie Allom for the bugreport.
 2014-05-04 11:49:41 +02:00
Ondrej Zajicek 859cbd75e1 Fixes a bug in (mainly) IPv6 BGP. 
Stack variable may be used unitialized and that would lead to spurious
rta_free(), which may cause crash. The bug was introduced in 1.4.1 from
merging add-path branch.

Thanks to Peter Andreev for reporting it and Alexander V. Chernikov for
resolving it.
 2014-04-14 12:50:03 +02:00
Ondrej Zajicek 4e7c974d22 Fixes a bug in graceful restart. 2014-03-24 19:22:19 +01:00
Ondrej Zajicek 0c791f873a BGP graceful restart support. 
Also significant core protocol state changes needed for that,
global graceful restart recovery state and kernel proto support
for recovery.
 2014-03-20 14:07:12 +01:00
Ondrej Zajicek e7d2ac4401 Finishes add-path. 
Fixes some bugs and uses generic hash implementation.
 2013-12-01 13:49:42 +01:00
Ondrej Zajicek 736e143fa5 Merge branch 'master' into add-path 
Conflicts:

	filter/filter.c
	nest/proto.c
	nest/rt-table.c
	proto/bgp/bgp.h
	proto/bgp/config.Y
 2013-11-23 11:50:34 +01:00
Ondrej Zajicek ac57451348 Implements RFC 6608 Subcodes for BGP FSM Error. 2013-07-25 13:55:24 +02:00
Ondrej Zajicek 572c644043 Fixes a crash when mrtdump is enabled and interface goes away. 
Thanks to Peter Christensen for the bugfix.
 2013-04-29 22:08:05 +02:00
Ondrej Zajicek 8bd9b930c3 Fixes a bug in IPv6 BGP next hop processing. 
BGP next hop attributes with empty link-local IPv6 addresses were not
handled properly.

Thanks to Sergey Popovich for the bugfix.
 2013-04-16 17:40:44 +02:00
Ondrej Zajicek 094d2bdb79 Implements ADD-PATH extension for BGP. 
Allows to send and receive multiple routes for one network by one BGP
session. Also contains necessary core changes to support this (routing
tables accepting several routes for one network from one protocol).
It needs some more cleanup before merging to the master branch.
 2012-08-14 16:46:43 +02:00
Ondrej Zajicek 47c447c42e Minor cleanups. 2012-05-11 12:10:21 +02:00
Ondrej Zajicek ebecb6f6a1 Implements generalized import hooks. 
Thanks to Alexander V. Chernikov for the original patch.
 2012-04-15 15:28:29 +02:00
Ondrej Zajicek 3ce1714279 Fixes a new bug in BGP route ordering. 2012-01-20 16:20:03 +01:00
Ondrej Zajicek d7f469c15c Some minor fixes. 2012-01-09 02:41:13 +01:00
Ondrej Zajicek 53ffbff39f Implements support for link-local addresses in BGP. 
Thanks Matthias Schiffer for the original patch.
 2012-01-08 15:31:34 +01:00
Ondrej Zajicek 61c96d7244 Fixes bug that causes crash with strange BGP updates. 2011-05-31 17:27:46 +02:00
Ondrej Zajicek 06fb60c4af Fixes some problems in BGP error handling. 2011-03-30 01:09:18 +02:00
Ondrej Zajicek 265d06dcbc Fixes IPv6 build. 2010-08-04 15:27:11 +02:00
Ondrej Zajicek d1e146f2f8 Implements IGP metric comparison for BGP routes. 2010-07-31 01:04:32 +02:00
Ondrej Zajicek 1b180121a9 Use link-local addresses in recursive next hops for IPv6 BGP. 2010-07-28 11:45:35 +02:00
Ondrej Zajicek 852b7062e3 Fixes a buffer overflow in TX code of IPv6 BGP. 2010-07-22 15:09:35 +02:00
Ondrej Zajicek 087cecd0e2 Adds some options and documentation related to recursive next hops. 2010-07-13 12:48:23 +02:00
Ondrej Zajicek 9be9a26413 Implements proper multihop BGP. 
Also does some incompatible changes to config file syntax,
like removing 'via IP' from multihop option.
 2010-07-12 17:39:39 +02:00
Ondrej Zajicek cfe34a316e Implements hostcache and recursive next hops. 
Hostcache is a structure for monitoring changes in a routing table that
is used for routes with dynamic/recursive next hops. This is needed for
proper iBGP next hop handling.
 2010-07-05 17:50:19 +02:00
Ondrej Zajicek 475977242a Handle EPIPE as a common connection close event. 2010-05-14 16:54:39 +02:00
Ondrej Zajicek 506fa1a73e Merge several fixes suggested by Joakim Tjernlund. 2010-05-02 22:41:40 +02:00
Ondrej Zajicek b8113a5e92 Implements BGP 'show protocols' info details. 2010-04-07 00:19:23 +02:00
Ondrej Zajicek ff2857b03d Many changes in (mainly) kernel syncers. 
- BSD kernel syncer is now self-conscious and can learn alien routes
- important bugfix in BSD kernel syncer (crash after protocol restart)
- many minor changes and bugfixes in kernel syncers and neighbor cache
- direct protocol does not generate host and link local routes
- min_scope check is removed, all routes have SCOPE_UNIVERSE by default
- also fixes some remaining compiler warnings
 2010-02-26 10:55:58 +01:00
Ondrej Zajicek e81b440f68 Fix configure to enable warnings and fix most of them. 2010-02-21 14:34:53 +01:00
Ondrej Zajicek 44f26560ec Workaround for some broken BGP implementations that skip initial KEEPALIVE. 2010-02-02 10:14:21 +01:00
Ondrej Zajicek cf31112f0d Implements MRTdump feature. 2010-01-03 12:17:52 +01:00
Ondrej Zajicek bf47fe4b2e Implements BGP route refresh. 2009-11-26 20:47:59 +01:00
Ondrej Zajicek 3f9b7bfe9f Implements option that controls IPv6 BGP next hops when lladdr is missing. 2009-11-18 20:32:36 +01:00
Ondrej Zajicek a5bf5f781c Show bad peer AS number in log in decimal. 2009-09-24 23:14:44 +02:00
Ondrej Zajicek 54fe0d9230 Fixes setting of IP addresses to route attributes (NEXT_HOP). 2009-09-18 13:59:04 +02:00
Ondrej Zajicek 05198c12f4 Some cleanups. 2009-08-27 19:01:04 +02:00
Ondrej Zajicek b99d378698 Minor BGP changes related to error wait time. 2009-06-07 00:38:38 +02:00
Ondrej Zajicek 72b28a041d Implements import route limits. 2009-06-04 13:31:09 +02:00
Ondrej Zajicek f98e291579 The pipe cleanup. 2009-06-01 14:07:13 +02:00