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390 commits

Author SHA1 Message Date
Ondrej Zajicek
4847a894bf Implementation of route reflection for BGP 2008-10-26 22:45:09 +01:00
Ondrej Zajicek
d51aa28190 Implementation of MD5 authentication of BGP sessions. 2008-10-26 22:42:39 +01:00
Ondrej Zajicek
11cb620266 Implementation of 4B ASN support for BGP 2008-10-26 22:36:08 +01:00
Ondrej Filip
85ae398a61 The source address configuration in BGP added. 2008-08-24 23:20:46 +00:00
Ondrej Filip
98ac61766d A lot of changes: 
- metric is 3 byte long now
	- summary lsa originating
	- more OSPF areas possible
	- virtual links
	- better E1/E2 routes handling
	- some bug fixes..

I have to do:
	- md5 auth (last mandatory item from rfc2328)
	- !!!!DEBUG!!!!! (mainly virtual link system has probably a lot of bugs)
	- 2328 appendig E
 2004-06-25 16:39:53 +00:00
Martin Mares
9831e5916f Staticized lots of local functions. 2004-06-05 09:58:23 +00:00
Martin Mares
e21423bab8 ... in BGP. 2004-06-05 09:27:17 +00:00
Ondrej Filip
7fdd338c36 ALIGN -> BIRD_ALIGN 2004-06-01 10:28:25 +00:00
Martin Mares
38a608c55a Rewritten the I/O loop. All socket operations are now safe, meaning that 
you can delete the socket from anywhere in the hooks and nothing should break.
Also, the receive/transmit buffers are now regular xmalloc()'ed buffers,
not separate resources which would need shuffling around between pools.

sk_close() is gone, use rfree() instead.
 2004-05-31 21:48:19 +00:00
Martin Mares
6a57bb3110 Killed a couple of unused variables. 
We really should compile with warnings enabled.
 2004-05-31 20:57:38 +00:00
Martin Mares
6ea8ca1469 Updated a comment. 2003-02-23 10:22:04 +00:00
Martin Mares
11d4474c17 Better selection of link-local NLRI addresses, at least for our own 
address. Need to do it better for the other neighbors -- the current
solution works only if they use the standard 64+64 global addresses
and the interface identifier in lower 64 bits is the same as for the
link-scope addresses.
 2003-02-22 22:47:45 +00:00
Martin Mares
8c92bf6a0d Temporary fix for BGP protocol capability announcement for IPv6 mode. 2003-02-22 10:40:35 +00:00
Martin Mares
60a72ed49b Fixed length check miscalculation in IPv6 receive path. 2003-02-22 10:25:22 +00:00
Martin Mares
7d875e094b Added missing includes. 2002-11-13 08:47:06 +00:00
Martin Mares
de10a974f2 Added missing semicolons. 2002-11-13 08:46:12 +00:00
Martin Mares
bcbdcbb6ae Don't accept incoming connections when the neighbor is not up. 2000-06-20 07:49:08 +00:00
Martin Mares
58f7d004fd Fixes to the progdoc. 2000-06-07 13:25:53 +00:00
Martin Mares
2e9b24211a Spelling fixes to progdoc. 2000-06-07 12:29:08 +00:00
Martin Mares
54e55169da BGP documented. 2000-06-04 17:06:18 +00:00
Martin Mares
bc00185e5a Updated to new neighbor cache. 2000-06-01 13:00:19 +00:00
Martin Mares
fcb5f4a725 Updated all the Doc files to new format. 2000-05-31 11:30:18 +00:00
Martin Mares
7294f68b3b path metric' and disable after error' are switches, not numeric clauses. 2000-05-29 22:08:04 +00:00
Martin Mares
d2a7c0e9b2 Don't print trace messages about null updates. 2000-05-19 18:05:19 +00:00
Martin Mares
5e88d73025 BGP now reports originating AS and origin type in get_route_info(). 2000-05-19 11:01:41 +00:00
Martin Mares
f4ab231746 bgp_get_status: If protocol is down, don't print BGP state. 2000-05-15 12:19:28 +00:00
Martin Mares
e3f2d5fce3 Cleanup of configuration. 
o  Use `expr' instead of `NUM' and `ipa' instead of `IPA',
   so that defined symbols work everywhere.
o  `define' now accepts both numbers and IP addresses.
o  Renamed `ipa' in filters to `fipa'.

Pavel, please update filters to accept define'd symbols as well.
 2000-05-15 11:48:23 +00:00
Martin Mares
02bd064ab7 Adapted to new rt_notify semantics. 2000-05-13 11:02:02 +00:00
Martin Mares
2138d3b4d8 Use correct flags for the LOCAL_PREF attribute. 
When an invalid attribute is found, copy the entire attribute to the data
section of the NOTIFICATION message.
 2000-05-11 12:20:07 +00:00
Martin Mares
c09d1e8df2 KEEPALIVE TIME ought to set keepalive time, not connect retry time :) 2000-05-08 22:32:17 +00:00
Martin Mares
0c3588bf5e Don't crash when the socket gets closed between updates. 
Also, this time not only update `remains', but update it right :)
 2000-05-08 14:53:22 +00:00
Martin Mares
9ff8f334ed Update `remains' counter correctly. 2000-05-08 14:32:19 +00:00
Martin Mares
93d6bf38a6 The bgp_list is gone. Incomming connections are now handled in a much 
more straightforward manner by scanning the active configuration for
matching protocols.
 2000-05-08 13:26:30 +00:00
Martin Mares
507eea4c8b Don't generate corrupted packets when sending only route deletes. 2000-05-08 12:37:24 +00:00
Martin Mares
79681f4a19 Link the instance to the global BGP list as soon as possible. 2000-05-08 11:04:22 +00:00
Martin Mares
acfce55c86 Setup of incoming connection is now a separate function. 2000-05-07 10:41:45 +00:00
Martin Mares
ab1129c1bd Added skeleton Doc files for the whole developer's documentation. 2000-05-05 17:17:42 +00:00
Martin Mares
beaf86e13c Removed RTS_RIP_EXT. 2000-05-04 21:23:10 +00:00
Martin Mares
2a149b18cc Unused variables in IPv6 code. 2000-05-04 20:38:44 +00:00
Martin Mares
93a786cb03 Removed a lot of unused variables. 
Please try compiling your code with --enable-warnings to see them. (The
unused parameter warnings are usually bogus, the unused variable ones
are very useful, but gcc is unable to control them separately.)
 2000-05-04 20:30:36 +00:00
Martin Mares
cf3d6470d7 IPv6 BGP support finished. Also simplified the BGP stuff a bit. 2000-05-04 20:02:56 +00:00
Martin Mares
1c1da87b27 Receive-only IPv6 BGP. 2000-05-04 09:03:31 +00:00
Martin Mares
53943a0022 Defined format specifier %M' which behaves as %m', but takes the 
error code as an argument.

Use it in socket hooks where we really shouldn't rely on errno containing
the right value or even existing.
 2000-05-02 16:10:04 +00:00
Martin Mares
85368cd4b7 Full protocol tracing. 2000-05-02 16:07:41 +00:00
Martin Mares
d1a74339d4 Handle redistribution of unknown attributes correctly. 2000-05-02 12:51:39 +00:00
Martin Mares
cea6366400 The `bgp_origin' attribute is now an enum. 2000-04-28 15:13:29 +00:00
Martin Mares
f94557dec5 Some more fixes for attributeless UPDATEs. 2000-04-27 22:40:19 +00:00
Martin Mares
54896cbdba Path attribute can be missing if we process a packet with empty NLRI section. 2000-04-27 22:31:11 +00:00
Martin Mares
9165888ad2 Handle connect errors correctly. 2000-04-27 19:41:10 +00:00
Martin Mares
5db9bae286 IBGP fixes. 2000-04-26 13:26:31 +00:00
Martin Mares
6fd766c17e Implemented automatic restart after error with all the timers needed. 2000-04-25 23:08:31 +00:00
Martin Mares
8573314326 Avoid printing of error messages on Cease notifications. 2000-04-25 23:08:03 +00:00
Martin Mares
b3155b3399 Randomize timers properly. 2000-04-25 22:01:19 +00:00
Martin Mares
42532f0846 Support dynamic reconfiguration. 2000-04-25 21:58:17 +00:00
Martin Mares
99f70c78e1 Use the same attribute names as in filters. 2000-04-25 21:31:15 +00:00
Martin Mares
684c25d98f When sending BGP attributes, re-create the flags, so that attributes 
added by filters which get the flags wrong are fixed automagically.
 2000-04-25 21:21:52 +00:00
Martin Mares
efcece2da3 Better reporting of both local and remote errors. 2000-04-25 21:13:25 +00:00
Martin Mares
a47a01083b Real parsing of BGP OPEN options including capability 
negotiation.
 2000-04-25 13:32:17 +00:00
Martin Mares
8b258e4e65 LOCAL_PREF is now always present and exported over all ibgp connections [draft] 
Allow setting of address of the local end of the TCP connection.

Several bug fixes.
 2000-04-21 13:01:28 +00:00
Martin Mares
2a9e064d7b If no NLRI's are present in an UPDATE message, parse the attributes, but 
don't check presence of mandatory attributes. [draft-09]
 2000-04-21 12:25:35 +00:00
Martin Mares
7787ace61a Synced to draft-ietf-idr-bgp4-09. 2000-04-20 22:54:22 +00:00
Martin Mares
9bc6ab4041 Fixed reporting of unknown options. 2000-04-20 22:34:50 +00:00
Martin Mares
5f532adde2 Temporarily ignore unknown options. 2000-04-19 13:54:35 +00:00
Martin Mares
f381cdce52 The ATOMIC_AGGREGATE parameter is optional transitive. 2000-04-19 13:54:17 +00:00
Martin Mares
e0d6a7bda4 Delay fetching of router ID. 2000-04-19 13:28:56 +00:00
Martin Mares
035044b1d9 Select the right source address and don't check port numbers. 2000-04-19 12:51:14 +00:00
Martin Mares
bd2d8190dd Honor standard communities (no_export, no_advertise, no_export_subconfed) 
when exporting routes.
 2000-04-17 13:13:08 +00:00
Martin Mares
56a2bed46b Don't import/export MED and LOCAL_PREF on external links. 
Added real comparison of BGP routes (inspired by the Cisco one).
Default local preference and default MED are now settable.
Defined filter keywords for all BGP attributes we know.
 2000-04-17 12:46:07 +00:00
Martin Mares
e3558ab14e Normalize community sets when exporting. 
Set PARTIAL bits correctly.
 2000-04-17 11:25:15 +00:00
Martin Mares
1ed2fe9609 Send and receive communities. 2000-04-17 10:19:15 +00:00
Martin Mares
f421cfdd80 Sending of update messages works! 2000-04-17 09:37:31 +00:00
Martin Mares
c0668f3696 Created nest/a-path.c and a-set.c which should contain general operations 
on AS paths and community sets.

Moved as_path_prepend() there.

Pavel, please move the other functions as well.
 2000-04-17 07:53:29 +00:00
Martin Mares
c8f685cb9d Made last Pavel's changes compile. 2000-04-12 14:14:47 +00:00
Pavel Machek
0a40e97328 as_path_prepend is usable outside bgp. 2000-04-12 14:12:37 +00:00
Martin Mares
c2b28c9910 Real bucket lists. 2000-04-12 14:09:26 +00:00
Pavel Machek
ac7a2145cc f_new_dynamic_attr gets third argument, type as filters know it. 2000-04-12 14:02:04 +00:00
Martin Mares
12d5677aa3 Define BGP_PATH. 2000-04-12 13:56:04 +00:00
Martin Mares
7750634946 Introduced `ARRAY_SIZE' macro to replace all the sizeof(a)/sizeof(*a) constructs. 2000-04-12 13:21:23 +00:00
Martin Mares
ae8f558499 Implemented outgoing attribute cache. 2000-04-10 12:39:51 +00:00
Martin Mares
48e842cc98 Use neighbor cache to track direct route to the peer or multihop destination. 
Calculate next_hop properly based on the local address we get from the
neighbor entry.
 2000-04-10 11:21:40 +00:00
Martin Mares
ef2c708dfa More BGP progress... 
For Pavel: You can use bgp_path_prepend() for prepending AS numbers to AS paths.
 2000-04-09 22:05:02 +00:00
Martin Mares
10be74da20 Formatting of dynamic attributes (except for paths and communities which 
will be added soon).
 2000-04-01 10:21:11 +00:00
Martin Mares
f880924990 BGP now handles incoming routes (IPv4 only). 2000-04-01 09:17:33 +00:00
Martin Mares
c00d31befa Parsing of BGP attributes. 2000-03-31 23:21:37 +00:00
Martin Mares
973399ae2c Basic analysis of UPDATE packets. 2000-03-30 18:44:23 +00:00
Martin Mares
b552ecc4d7 Connection state machine works. 2000-03-30 17:39:48 +00:00
Martin Mares
3fdbafb6f4 More BGP. This time it connects, but the state machine still isn't complete. 2000-03-30 10:44:20 +00:00
Martin Mares
72a6ef11fe Construction of BGP packets. 2000-03-21 15:53:50 +00:00
Martin Mares
c01e37416d Started work on BGP. Wrote main part of the connection handling code. 2000-03-20 21:50:17 +00:00
Martin Mares
2638249d34 Bare skeleton of the BGP. 2000-03-19 22:09:07 +00:00