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114 commits

Author SHA1 Message Date
Ondrej Zajicek 05476c4d04 IPv4/IPv6 integrated socket code. 2014-05-18 11:42:26 +02:00
Ondrej Zajicek 227af309e5 Fixes some minor issues in graceful restart. 2014-03-24 12:32:12 +01:00
Ondrej Zajicek 6eda3f135f Documentation (and minor fixes) for BGP graceful restart. 2014-03-23 01:35:33 +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 5c200e0a4d Merge branch 'add-path' 2014-02-06 20:15:05 +01:00
Ondrej Zajicek 6601a14831 Merge branch 'add-path' 2013-12-10 22:30:46 +01:00
Ondrej Zajicek 2d0b7e24a5 Fixes problem with source address selection in BGP and BFD. 2013-12-02 11:54:32 +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 283c7dfada Merge branch 'master' into add-path 2013-11-25 18:42:47 +01:00
Ondrej Zajicek f3e5917850 Enables multihop mode for IBGP by default. 
This is more consistent with common usage and also with the behavior of
other implementations (Cisco, Juniper).

Also changes the default for gw mode to be based solely on
direct/multihop.
 2013-11-24 12:37:24 +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 77e43c8b72 Minor fixes. 2013-11-22 22:49:04 +01:00
Ondrej Zajicek 1ec522538f BFD protocol, ready for release. 
Supports OSPF and BGP and also statically configured sessions.
 2013-11-19 22:33:48 +01:00
Ondrej Zajicek b21955e058 Fixes a bug related to mixed up neighbor events in BGP. 
Neighbor events related to received route next hops got mixed up with
sticky neighbor node for an IP of the BGP peer. If a neighbor for a next
hop disappears, BGP session is shut down.
 2013-08-13 20:42:43 +02:00
Ondrej Zajicek 48b15ef10f Fixes stuck connection during BGP session shutdown. 
If TX buffers were full during BGP session shutdown
then a protocol waited indefinitely to be able to
send notification packet to close the session.
 2013-07-13 01:39:41 +02:00
Ondrej Zajicek 9c99d753fd Fixes a problem with BGP neighbors, link-local addresses and locking. 
Thanks to Fritz Grimpen for the bugfix.
 2013-05-09 11:11:06 +02:00
Ondrej Zajicek b662290f40 Separate import and receive limits. 
They have different behavior w.r.t. filtered routes that are kept.
 2013-01-10 13:07:33 +01:00
Ondrej Zajicek 79b4e12e60 Implements interface masks for choosing router id. 
Router ID could be automatically determined based of subset of
ifaces/addresses specified by 'router id from' option. The patch also
does some minor changes related to router ID reconfiguration.

Thanks to Alexander V. Chernikov for most of the work.
 2012-12-27 12:56:23 +01:00
Ondrej Zajicek 1555095795 Changes 'rejected' to 'filtered' in one of the last patches. 2012-11-15 01:29:01 +01:00
Ondrej Zajicek cf98be7b67 Allows rejected routes to be kept and examined. 
When 'import keep rejected' protocol option is activated, routes
rejected by the import filter are kept in the routing table, but they
are hidden and not propagated to other protocols. It is possible to
examine them using 'show route rejected'.
 2012-11-10 14:26:13 +01:00
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 5400c0e7f9 Fixes BGP subcode during global shutdown. 2012-08-06 02:42:24 +02:00
Ondrej Zajicek abced4a914 Merge branch 'rt-accepted' 
Conflicts:

	nest/config.Y
	nest/rt-table.c
	proto/bgp/bgp.c
 2012-07-16 14:44:45 +02:00
Ondrej Zajicek 26822d8fe1 Finalize RA_ACCEPTED handling. 2012-07-16 01:33:02 +02:00
Ondrej Zajicek d9b77cc281 Implements generalized export limits. 
And also fixes some minor bugs in limits.
 2012-04-24 23:39:57 +02:00
Ondrej Zajicek 7d0a31deed Fixes in generalized import limits. 2012-04-21 21:05:36 +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 00a09f3c36 Implement RA_ACCEPTED mode of route propagation. 2012-04-15 15:07:58 +02:00
Ondrej Zajicek c0adf7e9fc Better support for multitable protocols. 
The nest-protocol interaction is changed to better handle multitable
protocols. Multitable protocols now declare that by 'multitable' field,
which tells nest that a protocol handles things related to proto-rtable
interaction (table locking, announce hook adding, reconfiguration of
filters) itself.

Filters and stats are moved to announce hooks, a protocol could have
different filters and stats to different tables.

The patch is based on one from Alexander V. Chernikov, thanks.
 2012-03-15 12:13:04 +01:00
Ondrej Zajicek 39c028e9e9 Assign default protocol preference via proto_config_new(). 
The patch from Alexander V. Chernikov.
 2012-01-24 11:31:00 +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 69a8259c5e Allows sticky link-local neighbors. 
Allows using NEF_STICKY neighbors with link-local addresses. This is
used for static route nexthops, they can be specified like fe80::1%eth0
.
 2012-01-01 12:14:42 +01:00
Ondrej Zajicek be4cd99a36 Implements deterministic MED handling. 
Thanks to Alexander V. Chernikov for many suggestions.
 2011-12-22 13:20:29 +01:00
Ondrej Zajicek a7f23f581f Implements protocol templates. 
Based on the patch from Alexander V. Chernikov.
Extended to support almost all protocols.
Uses 'protocol bgp NAME from TEMPLATE { ... }' syntax.
 2011-11-07 00:31:23 +01:00
Ondrej Zajicek 51947659ab Minor changes in BGP protocol info. 
Shows neighbor IP and ASN even if protocol is down.
 2011-09-04 00:56:02 +02:00
Ondrej Zajicek b1b1943360 The generalized TTL security mechanism (RFC 5082) support. 
Thanks to Alexander V. Chernikov for the patch.
 2011-08-16 23:13:05 +02:00
Ondrej Zajicek 35f8c731ea Fixes output of BGP timers in 'show protocols all'. 2011-06-25 14:51:16 +02:00
Ondrej Zajicek 4ef0950603 Fixes a problem with BGP protocols and implicit router IDs. 2011-04-01 13:55:52 +02:00
Ondrej Zajicek fcf5a4f4b3 Change default for BGP IPv6 socket to V6ONLY. 
Also add a new option 'dual' for the old behavior.
 2010-11-03 10:02:24 +01:00
Ondrej Zajicek ac4a1eedfc Change default for handling missing link-local addresses on route servers. 2010-08-13 14:30:36 +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 a34b09349e Disable BGP protocol when cannot open listening socket. 2010-05-31 11:35:29 +02:00
Ondrej Zajicek 475977242a Handle EPIPE as a common connection close event. 2010-05-14 16:54:39 +02:00
Ondrej Zajicek b8113a5e92 Implements BGP 'show protocols' info details. 2010-04-07 00:19:23 +02:00
Ondrej Zajicek e81b440f68 Fix configure to enable warnings and fix most of them. 2010-02-21 14:34:53 +01:00
Ondrej Zajicek a2ea1bac60 Moves errno.h include. 2010-02-11 21:19:20 +01:00
Ondrej Zajicek 2af25a971a Fixes a crash caused by missing error hook on BGP listening socket. 
Error happened when too many BGP connections arrived in one moment
(ECONNABORTED).
 2010-02-11 11:12:58 +01:00
Ondrej Zajicek cf31112f0d Implements MRTdump feature. 2010-01-03 12:17:52 +01:00