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Version 0.99.20ex21b
This brings us up to date with:
commit 48f99b0c2bfed8d3880732d188e1d5964f575ee4
Date: Thu Sep 29 16:55:23 2011 +0400
release: 0.99.20
and the subsequent:
commit dc00d2bb56aa6a84dd2328133f69db3c3e6d9dc7
Date: Sun Jan 8 14:47:06 2012 +0000
Marker merge for 'RE-0.99.17.6'
This marker merge (i.e. an 'ours' strategy merge) is a placeholder to show
that all commits in Quagga-RE stable, to its release RE-0.99.17.6 tag, have
been reviewed and merged into 'master'.
and then further commits (in descending date order)
commit b51a3a31500133e3e26f12e7639f297c655bc735
commit ef2d5d100431031c32ea35b3c834b46cff16f511
commit 4c78376f96cd2ca56f1c6476b76fd659654431f5
commit e854095932260b3e6187902aa9a7baa0e96b9428
commit e6b03b77766dce8009ad7b4a2392e14addf4ab0f
commit c25eaffdb2190149e768dc4ee4efc913c6d02992
commit d034aa027ef44d0a74805c27ad2a4d8ea20395d1
commit 907fd95e502e10334e5390c73cc57588b88b8171
commit 7fd6cd819ff98f0580b745ba637990df9c20ef0f
commit 4c0cf00afc4340a429a9c4830f638b4593d7c3af
commit 4afa50b393ff1fb34dd577888a05b81dfdced5af
commit 6eb0c5ab1d43bcf9edd4fefd19031f2b96ded728
commit aca43b656623f38dfa6ea835dacbdfec51d03a67
commit 6bb1273e83c29b3aeff9584bc8f6272e773294ad
commit d660f698427277ce695a5b756f3143c8304274ea
commit 6134b875f39986564aced5e2d7329fcd852f17f4
commit b4e45f67057be22133b6bec88cdf285d5c8214db
commit 6eac79a6fed4842e00607c00c445213b51bba377
commit cb32fd690a957819865219a847e3c21a53a0f419
commit 73bfe0bd9adb8e4dfcee7239e56a425c6d58f4e9
commit f768f367bcd1f37a53c563495176a5a134caf234
commit c7ec179a95c1ed4fcd3d3be3f981c8c20dce534a
commit cddf391bf6839e9f093cef15508669c1f3f92122
commit 5a616c08ce089e25dc0e8da920727af4d11279bf
commit 6ae93c058725991df5a9ae35cefec368919b5fea
commit fc98d16ea77372f4ab4231e8904f8467e8d1ef71
A summary of the changes that relate to bppd, zebra and the lib follows.
bgpd changes
* attribute handling: (a) now checks the flag byte for all attributes
and issues suitable log messages and notifications, (b) reports some
length issues that previously let slide (local pref).
Tighten End-of-RIB detection -- now iff an MP_UNREACH is the *only*
attribute and no ordinary update or withdraw.
* added --socket/-z option -- sets zebra socket name
* sets IPv6 tclass as required
* improved next hop handling and added "show ip bgp scan" and "show ip
bgpd scan detail" commands.
see commits: fc98d16ea77372f4ab4231e8904f8467e8d1ef71
0e8032d69961ae196c11ba6ead856084c7acf7c2
b64bfc1c4a552fc0b4dd024d5f77171ec848a5df
318f0d8a7f5e8e87086bbf2a9e7c4b35638951ac
8e80bdf20f493a71bcf74262ed3aa3a2437f4df6
f04a80a5d209dbb54f6fec5d0149b7c0e489d29e
* removed SAFI_UNICAST_MULTICAST
* fiddled with SAFI_MPLS_LABELED_VPN -- unsure if this is now
complete -- stuff here TODO !
* support for multicast SAFI
see commits: 73bfe0bd9adb8e4dfcee7239e56a425c6d58f4e9
5a616c08ce089e25dc0e8da920727af4d11279bf
* added "match probability" commands
* uses "route_types.txt" more effectively -- which affects the
implementation of "redistribute" commands
see commit: e0ca5fde7be5b5ce90dae78c2477e8245aecb8e9
* "nexthop-local unchanged" included in configuration.
zebra changes
* some whitespace change clutter :-(
* ZEBRA_HELLO and mopping up routes (BZ#448)
* implement route_types.h
* support for SAFI_MULTICAST
commit f768f367bcd1f37a53c563495176a5a134caf234
IPv6 MP-BGP Routes addition and deletion
commit cddf391bf6839e9f093cef15508669c1f3f92122
IPv4 MP-BGP Routes addition and deletion
* brought up to date with RFC6275
* add --socket/-z option
* add "ipv6 nd mtu <1-65535>" commands
lib changes
* filter-list handling -- does not free the filter-list before
calling the delete_hook().
However, unlike commit 6a2e0f36b103386e57dbe3a6ee4716e809111198
*does* remove the filter-list from the name look-up, before
calling the delete_hook() -- which I believe works better.
* md5.c now includes RFC 2104 HMAC
However fixed to remove compiler warning, by replacing use of
caddr_t by unsigned char*.
Some phantom whitespace changes elsewhere
* prefix.c: commits d171bf58ef12ace43d48565e6870722dece1e6ed
051954f574b9c26458518a7029aeed118f0da620
9663386f16e6285a322747514527fdf1d19788e4
- optimise masklen2ip() and apply_mask_ipv4() -- the version
here should work on a Big-Endian machine as well.
- optimise ip_masklen() -- the version here should (a) work on
a Big-Endian machine, (b) give the same result as before if
the netmask is not, in fact, valid, and (c) uses just 256
bytes of table -- not 64K.
Version here is probably not quite as fast as the previous
patch... but certainly faster that what was there before.
* zclient.c: introduced zclient_serv_path, for general zclient and
for bgpd zlookup. Added ZEBRA_HELLO to client start. Added safi
to ipv4 and ipv6 route add/delete.
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getaddrinfo returns a list of socket parameters for listening. it
will contain both IPv4 and IPv6 listening sockets. unless we use
IPV6_V6ONLY on the IPv6 ones, only the socket listed first will
work. if the IPv4 one came first, the IPv6 one would get an
"Address in use" error.
this functionality was already present for bgpd and its listening
sockets. as it is needed for vtys as well, make it a common helper.
Conflicts:
lib/sockunion.c
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bgp_bind_address is replaced with sockunion_bind.
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if update-source was given as interface name, bgpd was unconditionally
trying to bind to an IPv4 address from that interface.
change function to find the best-matching (number of address bits)
same-family address on the interface.
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To set the TOS bits on TCP connections, platforms that restrict
capabilities need the priv level to be raised before the sockopt
is set, and this requires the ZCAP_NET_ADMIN priv.
* bgp_main.c: update _caps_p to include ZCAP_NET_ADMIN
* bgp_network.c
* bgp_connect(): request ZPRIVS_RAISE/ZPRIVS_LOWER
* bgp_listener(): request ZPRIVS_RAISE earlier
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IPv6 supports the same concept of differentiated service for routing
protocols as IPv4, but like too many things, the standards committee
decided that having two names for the same thing wasn't good enough and
introduced a third more generic term transport class.
The socket option to set transport class works the same as IPv4, but the
arguments are different.
* lib/sockopt.[ch]
* setsockopt_ipv6_tclass(): new function
* bgpd/bgp_network.c
* bgp_connect(): set socket option
* bgp_listener(): set socket option
* ospf6d/ospf6_network.c
* ospf6_set_transport_class(): new function
* ospf6_serv_sock(): set socket option
* ripngd/ripngd.c
* ripng_make_socket(): set socket option
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NB: this is a partial interim version -- NOT for production.
Reinstate vtysh. In bgpd: cope better with generating oversize messages.
The "pipework" branch is no more. There is now "euro_ix" and "euro_ix_b",
where 'b' stands for 'bleedin'. The "pipework" is currently in 'bleedin'.
Version updated to: 0.99.18ex20b
Major changes in this commit:
* modified bgpd to avoid crashing if an oversize message is created.
At present, any oversize messages are simply discarded. This may be a
mistake... since it is possible that some routes that should have been
withdrawn are not. TBA.
The stream lib facilities have been overhauled to may this easier.
* restoring vtysh.
At present the vtysh is thought to work, except that it does not
currently create integrated configuration files.
For the time being, *only* the following compile:
lib, bgpd, zebra, vtysh, tests
All other daemons will fail to compile, and must be disabled.
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Create euro_ix branch.
Update version to: 0.99.18ex17
Of particular note:
* includes support for GTSM:
neighbor ... ttl-security hops X
no neighbor ... ttl-security hops X
where X is 1-254. For usual case of immediately connected
peer, X == 1.
Cannot set ttl-security while ebgp-multihop is set, and
vice-versa.
If underlying O/S does not support GTSM, then will set ttl
as per ebgp-multihop.
In passing, have fixed various bugs in the main Quagga branch.
* initial support for draft-ietf-idr-optional-transitive
Does not yet support "neighbor-complete" flag.
* main Quagga now uses TCP_CORK and permanent non-blocking
Do not beleive TCP_CORK to be necessary for euro_ix code...
which has a different buffering strategy.
The euro_ix code already runs sockets permanently non-blocking.
* various fixes to attribute intern/unintern
Trying to remove memory leaks. Nobody seems convinced that
this has been perfected, yet.
* fixes for ospfd and ospf6d issues.
Up to date with master branch up to:
commit 538cb284864c17de66152a5236db4cd80e3e7639
Merge: 036a6e6 8ced4e8
Author: Paul Jakma <paul@quagga.net>
Date: Fri Jul 29 18:21:50 2011 +0100
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* bgp_aspath.c: (assegments_parse) just bail early if length doesn't match
and fix the formatting.
* bgp_network.c: add include needed for set_nonblocking
* bgp_packet.c: formatting
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* bgpd: Add support for RFC 5082 GTSM, which allows the TTL field to be used
to verify that incoming packets have been sent from neighbours no more
than X IP hops away. In other words, this allows packets that were sent from
further away (i.e. not by the neighbour with known distance, and so possibly
a miscreant) to be filtered out.
* lib/sockunion.{c,h}: (sockopt_minttl) new function, to set a minimum TTL
using the IP_MINTTL socket opt.
* bgpd.h: (BGP_ERR_NO_EBGP_MULTIHOP_WITH_TTLHACK) define for command
error for minttl.
(struct peer) add a config variable, to store the configured minttl.
(peer_ttl_security_hops_{set,unset}) configuration handlers
* bgpd.c: (peer_group_get) init gtsm_hops
(peer_ebgp_multihop_{un,}set) check for conflicts with GTSM. Multihop and
GTSM can't both be active for a peer at the same time.
(peer_ttl_security_hops_set) set minttl, taking care to avoid conflicts with
ebgp_multihop.
(bgp_config_write_peer) write out minttl as "neighbor .. ttl-security hops X".
* bgp_vty.c: (bgp_vty_return) message for
BGP_ERR_NO_EBGP_MULTIHOP_WITH_TTLHACK
(peer_ebgp_multihop_{un,}set_vty)
* bgp_network.c: (bgp_accept) set minttl on accepted sockets if appropriate.
(bgp_connect) ditto for outbound.
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* bgpd: Rather than toggling socket in/out of non-block mode, just leave it
in nonblocking mode.
One exception is in bgp_notify which only happens just before close.
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This fixes a reported assert() in 'no neighbor xxx'.
It also fixes other issues found when reviewing and testing that.
Also fixed is a reported segfault caused by prefix lists without explicit
sequence numbers.
Peer State
==========
Tightened up the peer state handling, including:
* shades of pIdle -- depending on some peer flags and the session, if any
* state transitions -- particularly pEstablished -> pIdle or pClearing
* handling if deleting peer and associated session
* handling of PEER_DOWN_XXX -- why peer was last downed
* handling of last NOTIFICATION sent/received
RS Client RIBs
==============
Cleared up places where RS Client RIBs were not disposed of properly when a
peer's afi/safi state changed, in particular:
-- when deactivating an afi/safi
-- when unsetting the rs client state for an afi/safi
-- when binding a peer to a group for an afi/safi
In the past these issues were probably invisible, except for a slight leak of
memory. With the newer code these issues triggered some asserts when closing
down a peer or the entire program.
Program Termination
===================
Now terminates by deleting all peers -- essentially 'no neighbor' for all
peers. Each time a peer is set to be deleted bm->peer_linger_count is
incremented, when the peer finally is deleted, the count is decremented.
So while in program_terminating state, all nexuses continue to run until
the Routing Engine spots that there are no peers left to delete. Then all
nexuses are shut down and the program finally terminates. To do this, when
termination starts a new Routing Engine foreground task is added, which
calls program_terminate_if_all_peers_deleted().
Accept() Status for Session
===========================
The accept() code needs to find the session associated with the incoming IP
address. Then it needs to see if can accept the incoming connection.
It looks up the IP address in the Peer Index (under its Mutex).
Previously: the Peer Index entry contained a pointer to the accepting
connection (if any), and the session had a pointer to the Peer Index entry
so that it could set/clear the accept field in that entry.
Now: have removed the accept field in the Peer Index entry, and the pointer
from the session to that entry.
There is now an "accept" flag in the session structure -- so setting/clearing
accept does not have to fiddle with any state to do with the peer. Which
seems cleaner.
To find the session, the accept() code goes via the Peer Index and then via
the peer to find the session. This is done under the Peer Index Mutex. To
support that, the Routing Engine only changes the peer->session pointer under
the same Mutex.
General Changes
===============
1. name changes: peer_lock -> bgp_peer_lock etc.
2. bgp_notify_send -> bgp_peer_down_error
bgp_notify_send_with_data -> bgp_peer_down_error_with_data
3. name changes: bgp_peer_sIdle -> bgp_peer_pIdle etc.
4. changing int to bool
5. added "received" flag to bgp_notify structure
Files Affected
==============
configure.ac -- set version to 0.99.15ex02
bgpd/bgp.h -- format changes only
bgpd/bgp_advertise.c -- (1)
bgpd/bgp_attr.c -- (2)
bgpd/bgp_common.h -- (3)
bgpd/bgp_connection.c -- (4) for session->active
- adding session->accept flag
- removing peer index accept entry
- adding bgp_connection_query_accept()
bgpd/bgp_connection.h -- adding bgp_connection_query_accept()
bgpd/bgp_debug.c -- (3) (5)
- changed bgp_notify_print() to remove "sending"
parameter and use (5)
bgpd/bgp_debug.h -- changed bgp_notify_print()
bgpd/bgp_fsm.c -- added TODO for NSF and for
CollisionDetectEstablishedState
bgpd/bgp_main.c -- (4) for various flags
- added static bool program_terminating
- used "mqb_priority" name instead of "1"
- ignore SIGHUP and SIGTERM messages once is
"program_terminating"
- added program_terminate_if_all_peers_deleted()
- in SIGTERM: set program_terminating and add
the foreground hook.
bgpd/bgp_mplsvpn.c -- (3)
bgpd/bgp_msg_read.c -- (5) set the "received" flag on incoming
notifications
- update call of bgp_notify_print()
bgpd/bgp_msg_write.c -- update call of bgp_notify_print()
bgpd/bgp_network.c -- (4)
bgpd/bgp_nexthop.c -- (3)
bgpd/bgp_notification.c -- add "received" flag to notification structure,
which is false by default.
bgpd/bgp_notification.h -- add "received" flag to notification structure
- add bgp_notify_set_received()
- add bgp_notify_get_received()
bgpd/bgp_open.c -- (2)
bgpd/bgp_open_state.c -- in bgp_peer_open_state_receive():
- copy the session->hold_timer_interval
and session->keepalive_timer_interval
values (as negotiated by the BGP Engine)
into the peer
- set PEER_CAP_RESTART_RCV if have
- fix typo, use: open_recv->can_preserve
not: open_recv->can_g_restart
bgpd/bgp_packet.c -- delete bgp_notify_send() and
bgp_notify_send_with_data()
- (1) (2) (3)
- bgp_clear_route_normal() -> bgp_clear_routes()
and now returns "completed" state.
bgpd/bgp_packet.h -- delete: bgp_keepalive_send()
bgp_open_send()
bgp_notify_send()
bgp_notify_send_with_data()
bgpd/bgp_peer.c -- changed:
bgp_session_has_established()
bgp_session session()
bgp_session_has_disabled()
to void and to take session, not peer.
- removed lock of session structure in
bgp_session_do_event() -- was holding the lock
for far longer than necessary, particularly
when clearing routes !
- in bgp_session_has_established():
- lock session structure where and only where
required
- tidied up timer handling
- in bgp_session_has_stopped():
- extend IdleHoldTime
- examine notification etc to see why session
came down.
- invoke bgp_peer_down_notify(), which will
start the process of downing the peer.
- in bgp_session_has_disabled():
- removed defer_enable
- removed calls to bgp_peer_stop() etc. That
is done in bgp_peer_down() et all.
- now if session is marked delete_me, then do
that; otherwise, can enable again.
- removed program_terminate_if_all_disabled(),
replaced by new mechanism
- in bgp_peer_stop():
- changed to void function and added nsf
parameter.
- sets pClearing state.
- MUST now only be called when pEstablished.
- removed some code to bgp_peer_reset_idle().
So... bgp_peer_stop() brings pEstablished
peer to halt, while bgp_peer_reset_idle()
prepares it for new session.
- now passes nsf to bgp_clear_all_routes(),
which returns flag to say whether task is
complete or whether it continues in
background.
- clearing of NSF_MODE and flags moved to
bgp_peer_reset_idle().
- sets pIdle state if route clearing completed
- renamed peer_nsf_stop() -> bgp_peer_nsf_stop()
- if is pIdle or pClearing and have NSF
routes, then stops timers and clears out
all the NSF routes.
- added bgp_peer_clear_all_stale_routes()
- added bgp_peer_shutdown() -- used when peer
is downed for PEER_DOWN_USER_SHUTDOWN !
- added bgp_peer_reset_idle() -- used when peer
goes pIdle or is about to enable session.
- deleted bgp_peer_timers_stop() -- see
bgp_peer_change_status().
- replaced bgp_peer_clearing_completed()
- if pClearing, sets pIdle and enables if can
- if pDeleting, unlocks peer
- replaced bgp_timer_set() by
bgp_peer_timers_set() -- deals in new peer
states only.
- renamed peer_new() -> bgp_peer_new()
- renamed peer_create() -> bgp_peer_create()
- added setting of PEER_STATUS_REAL_PEER
- changed auto activation to reflect what
actually happens.
- changed bgp_session_init_new() call because
it now sets peer->session.
- sets timers suitable for pIdle. before any
auto enable.
- renamed peer_delete() -> bgp_peer_delete()
- removed call of peer_nsf_stop()
- added bgp_peer_down() with
PEER_DOWN_NEIGHBOR_DELETE -- which does all
the work of flattening an active peer, and
returns it pIdle or pClearing.
- if pClearing, lock the peer so that when
clearing completes, it can unlock it.
- sets pDeleting state, and increments
bm->peer_linger_count.
- tightened procedure for dealing with various
references to peer -- including use of the
PEER_STATUS_REAL_PEER flag.
- tidied up dealing with rsclient RIBs and
shared pointers to group versions of same.
- removed call of bgp_timer_set(), now done
in bgp_peer_change_status().
- now unregisters the peer immediately, so
can register a new one before this one
is completely deleted.
- deletes session if it can.
- moved peer_lock() & peer_unlock() from bgpd.c
and renamed bgp_peer_lock() & bgp_peer_unlock()
- renamed peer_free() bgp_peer_free() and made
static.
- peer must be pDeleting -- so have been
through bgp_peer_delete()
- peer->session must be NULL
- decrements bm->peer_linger_count
- deleted peer->clear_node_queue handling
- deleted bgp_session_free() -- that's done
in bgp_peer_delete() or elsewhere.
- unlocked bgp at end
- assert peer->session == NULL, to be sure
- set peer->lock == -54321
- in bgp_peer_enable():
- recast as switch() on peer state
- added bgp_peer_reset)idle() before enabling
the session.
- renamed bgp_peer_disable() -> bgp_peer_down()
- takes PEER_DOWN_XXX argument, which drives
what notification is sent, and sets the
peer->last_reset status. A small number of
PEER_DOWN_XXX are special.
- removed the IdleHoldTimer stuff.
- copies outbound notification to session.
- for PEER_DOWN_NSF_CLOSE_SESSION, keep non-
stale routes.
- for PEER_DOWN_USER_SHUTDOWN, do
bgp_peer_shutdown()
- after disabling any session and doing any
shutdown, proceed as per peer->status:
pIdle -- flush stale routes
bgp_peer_enable()
pEstablished -- bgp_peer_stop()
pClearing -- flush stale routes
- added bgp_peer_down_notify().
- added bgp_peer_down_error(), which replaces
bgp_notify_send().
- added bgp_peer_down_error_with_data(), which
replaces bgp_notify_send_with_data()
The "down_error" functions calculate the
appropriate PEER_DOWN_XXX value, and call
bgp_peer_down_notify().
- added bgp_peer_map_peer_down(), to map
PEER_DOWN_XXX to a notification message.
- added bgp_peer_map_notification, to map
notification message to a PEER_DOWN_XXX.
- renamed peer_change_status() ->
bgp_peer_change_status()
- do most things only if state changes.
- add call to bgp_peer_reset_idle() as enter
pIdle state.
- at all times do bgp_peer_timer_set()
- renamed peer_timers_set() ->
bgp_peer_timers_set()
- commoned up code for Graceful Restart and
Graceful Restart Stale timers and stale routes.
- changed Graceful Restart Stale time to cope if
it should expire before Graceful Restart !
bgpd/bgp_peer.h -- added PEER_DOWN_XXX values and tidied up
+ PEER_DOWN_NULL
+ PEER_DOWN_UNSPECIFIED
+ PEER_DOWN_CONFIG_CHANGE
+ PEER_DOWN_AF_DEACTIVATE
+ PEER_DOWN_PASSWORD_CHANGE
+ PEER_DOWN_ALLOWAS_IN_CHANGE
+ PEER_DOWN_INTERFACE_DOWN
+ PEER_DOWN_MAX_PREFIX
+ PEER_DOWN_HEADER_ERROR
+ PEER_DOWN_OPEN_ERROR
+ PEER_DOWN_UPDATE_ERROR
+ PEER_DOWN_HOLD_TIMER
+ PEER_DOWN_FSM_ERROR
+ PEER_DOWN_DYN_CAP_ERROR
- PEER_DOWN_NOTIFY_SEND (deleted)
- added typedef peer_down_t
- struct peer:
- deleted redundant clear_node_queue
- removed PEER_STATUS_ACCEPT_PEER flag
- added PEER_STATUS_REAL_PEER flag
- (3)
- deleted bgp_peer_reenable() -- redundant
- deleted bgp_peer_stop() -- now static
- replaced bgp_peer_disable() by bgp_peer_down()
- added bgp_peer_down_error()
- added bgp_peer_down_error_with_data()
- deleted peer_change_status() -- now static
- renamed peer_new() -> bgp_peer_new()
- renamed peer_create() -> bgp_peer_create()
- renamed peer_delete() -> bgp_peer_delete()
- added bgp_peer_lock()
- added bgp_peer_unlock()
- deleted peer_free()
- deleted peer_nsf_stop()
bgpd/bgp_peer_index.c -- removed accept entry from bgp_peer_index_entry
structure
- added explicit next_free entry to the structure
- sets next_free to point at self in entries
which are in use -- and checks this.
- change bgp_peer_index_seek_accept() to link to
session via the peer data structure, and to
call bgp_connection_query_accept() under the
Peer Index Mutex.
- (4) for bgp_peer_index_seek_accept()
bgpd/bgp_peer_index.h -- removed accept entry from bgp_peer_index_entry
structure
- added explicit next_free entry to the structure
- (4) for bgp_peer_index_seek_accept()
bgpd/bgp_route.c -- (1) (2) (3)
- in bgp_process_rsclient(), bgp_process_main(),
and bgp_processq_del():
- extra dasserts()
- clear rn->wq_next
- unlock table *after* unlock node (bug fix)
- in bgp_process(), lock bgp before table.
- in bgp_maximum_prefix_restart_timer(), replace
call of peer_clear() by unset of flag and
bgp_peer_enable() -- peer is already down.
- added bgp_maximum_prefix_cancel_timer()
- deleted bgp_clear_this_route() -- code now
inline in only caller.
- renamed bgp_clear_route_normal() ->
bgp_clear_routes()
- takes an "nsf" argument to invoke NSF
"clearing", iff nsf set for afi/safi. Sets
PEER_STATUS_NSF_WAIT if so.
- returns bool "completed" if clearing has
completed immediately -- ie no background
work left to be done.
- renamed bgp_clear_route_all() ->
bgp_clear_all_routes()
- takes "nsf" argument and returns "completed"
as for bgp_clear_routes().
- removed call: bgp_peer_clearing_completed()
- renamed bgp_clear_route_rsclient() ->
bgp_clear_rsclient_rib()
- deleted bgp_cleanup_routes() -- was used
during termination, no longer required because
termination deletes all peers.
bgpd/bgp_route.h -- deleted bgp_cleanup_routes() -- program
termination now deletes all peers, which
implicitly cleans up all routes.
- renamed: bgp_clear_route_normal() ->
bgp_clear_routes()
- renamed: bgp_clear_route_rsclient() ->
bgp_clear_rsclient_rib()
- renamed: bgp_clear_route_all() ->
bgp_clear_all_routes()
- added: bgp_maximum_prefix_cancel_timer()
bgpd/bgp_session.c -- (3)
- deleted bgp_session_defer_if_limping()
- in bgp_session_init_new()
- changed to void and removed session argument
-- always creates a new session
- peer MUST not have a session
- removed Peer Index pointer stuff as Peer
Index no longer has accept field
- sets session->peer and locks peer
- sets peer->session under Peer Index Mutex
- sets session->delete_me false
- sets session->accept flag false
- replaced bgp_session_free() by
bgp_session_delete()
- changed to void function
- if session is active, set the delete_me flag
so session will be deleted when goes
sDisabled.
- make sure that session Mutex has been
released by the BGP Engine before destroying
it... otherwise: tears.
- unhook session from peer under Peer Index
mutex -- for accept() stuff.
- unhook peer from session.
- unlock peer.
- in bgp_session_enable()
- assert that peer is pIdle.
- clear delete_me for completeness
- clear additional fields
- in bgp_session_disable()
- clear session->accept
- in bgp_session_is_active()
- no longer interested in Peer Index stuff
- deleted bgp_session_defer_if_limping()
bgpd/bgp_session.h -- in bgp_session structure:
- removed index_entry pointer to Peer Index
- added delete_me flag
- removed defer_enable flag
- added accept flag
- removed session parameter from
bgp_session_init_new()
- deleted bgp_session_free()
- added bgp_session_delete()
- bgp_session_is_active() now returns bool
bgpd/bgp_table.c -- bgp_node_free() sets lock count = -54321
- in bgp_table_free():
- assert that route node is empty
- set lock count = -54321
- bgp_node_delete() asserts that is not on_wq
- (1)
bgpd/bgp_vty.c -- (1) (3) (4)
- change peer_af_flag_modify_vty() to call
peer_af_flag_modify() not set or unset.
- change name: bgp_clear_route_rsclient() ->
bgp_clear_rsclient_rib()
- in peer_rsclient_set_vty():
- add peer to bgp->rsclient list after all
validation is complete
- in peer_rsclient_unset_vty():
- removed code for deleting the rsclient RIB
etc to peer_rsclient_unset().
- added peer_rsclient_unset()
bgpd/bgp_zebra.c -- bgp_peer_disable() -> bgp_peer_down() and now
takes PEER_DOWN_INTERFACE_DOWN argument.
bgpd/bgpd.c -- (1) (3)
- replaced setting peer->last_reset and call of
bgp_notify_send() by call of the new
bgp_peer_down().
- bgp_router_id_set()
... PEER_DOWN_RID_CHANGE
- bgp_cluster_id_set()
... PEER_DOWN_CLID_CHANGE
- bgp_cluster_id_unset()
... PEER_DOWN_CLID_CHANGE
- bgp_confederation_id_set()
... PEER_DOWN_CONFED_ID_CHANGE
... PEER_DOWN_CONFED_ID_CHANGE
- bgp_confederation_id_unset()
... PEER_DOWN_CONFED_ID_CHANGE
- bgp_confederation_peers_add()
... PEER_DOWN_CONFED_PEER_CHANGE
- bgp_confederation_peers_remove()
... PEER_DOWN_CONFED_PEER_CHANGE
- peer_as_change()
... PEER_DOWN_REMOTE_AS_CHANGE
- peer_activate()
... PEER_DOWN_AF_ACTIVATE
- peer_deactivate()
... PEER_DOWN_AF_DEACTIVATE
- peer_group_bind()
... PEER_DOWN_RMAP_BIND
- peer_group_unbind()
... PEER_DOWN_RMAP_UNBIND
- peer_change_action()
... why_changed
... why_changed
- peer_flag_modify_action()
... action->peer_down
- peer_update_source_if_set()
... PEER_DOWN_UPDATE_SOURCE_CHANGE
... PEER_DOWN_UPDATE_SOURCE_CHANGE
- peer_update_source_addr_set()
... PEER_DOWN_UPDATE_SOURCE_CHANGE
... PEER_DOWN_UPDATE_SOURCE_CHANGE
- peer_update_source_unset()
... PEER_DOWN_UPDATE_SOURCE_CHANGE
... PEER_DOWN_UPDATE_SOURCE_CHANGE
- peer_local_as_set()
... PEER_DOWN_LOCAL_AS_CHANGE
... PEER_DOWN_LOCAL_AS_CHANGE
- peer_local_as_unset()
... PEER_DOWN_LOCAL_AS_CHANGE
... PEER_DOWN_LOCAL_AS_CHANGE
- peer_password_set()
... PEER_DOWN_PASSWORD_CHANGE
... PEER_DOWN_PASSWORD_CHANGE
- peer_password_unset()
... PEER_DOWN_PASSWORD_CHANGE
... PEER_DOWN_PASSWORD_CHANGE
- peer_clear()
... PEER_DOWN_USER_RESET
- bgp_terminate()
... PEER_DOWN_USER_RESET
- deleted peer_lock() & peer_unlock(). See
bgp_peer_lock() & bgp_peer_unlock() in bgp_peer
- in peer_as_change(), move downing of peer to
after all config changes have been made.
- in peer_remote_as() implicitly activate iff
!BGP_FLAG_NO_DEFAULT and is IPv4/Unicast.
(but only ever called with IPv4/Unicast or
nothing at all.)
- in peer_deactivate()
- if cannot dynamically reconfigure, then will
down the peer PEER_DOWN_AF_DEACTIVATE.
- uses new peer_rsclient_unset() to tidy away
any rsclient RIB etc.
- in peer_change_action():
- added 'why_down' argument
- replace if's by switch()
- in struct peer_flag_action, updated entry types
- in peer_flag_action_list[], added the
appropriate PEER_DOWN_XXX values.
- in peer_af_flag_action_list[]
- added the appropriate PEER_DOWN_XXX values
- added multiple flag entries
- in peer_flag_action_set():
- changed to return const address of
peer_flag_action structure -- or NULL.
- table may now contain entries which the
given flag must be a subset of.
- in peer_flag_modify_action():
- now takes peer_flag_action* and whether flag
has been set or not.
- allow *only* peer_change_none or
peer_change_reset
- deal with clearing PEER_FLAG_SHUTDOWN,
otherwise bgp_peer_down().
- in peer_group_bind():
- uses new peer_rsclient_unset() to tidy away
any rsclient RIB etc.
- in peer_flag_modify():
- takes bool set flag
- changed to suit peer_flag_action_set() and
peer_flag_modify_action()
- in peer_flag_set() and peer_flag_unset()
changed to bool flag
- added peer_af_flag_modify_action(), common
code for use in peer_af_flag_modify().
- in peer_af_flag_modify():
- takes bool set flag
- changed to suit peer_flag_action_set() and
peer_flag_modify_action()
- use peer_af_flag_modify_action()
- in peer_af_flag_set() and peer_af_flag_unset()
changed to bool flag
- in peer_clear(): adjust for new bgp_peer_down()
mechanics.
- in bgp_master_init(): account for
peer_linger_count (starting at 0)
- in bgp_terminate():
- removed program_terminating -- see flag now
in bgp_main.c
- implement "retain_mode" by using
BGP_OPT_NO_FIB flag to turn off changing
the FIB as routes are deleted.
- either bgp_peer_delete() if terminating
or bgp_peer_down() all peers.
- flush process queues.
- deleted program_terminate_if_all_disabled()
- in peer_lookup(), removed handling of
PEER_STATUS_ACCEPT_PEER().
- deleted peer_lookup_with_open().
- in bgp_config_write_family(), removed handling
of PEER_STATUS_ACCEPT_PEER().
- in bgp_config_write(), removed handling
of PEER_STATUS_ACCEPT_PEER().
bgpd/bgpd.h -- add peer_linger_count entry to the
bgp_master structure.
- remove: peer_lock(), peer_unlock() and
peer_delete()
- (4) for peer_af_flag_modify()
- added peer_rsclient_unset()
lib/plist.c -- fixed handling of prefix lists with no
explicit sequence numbers.
lib/qpnexus.c -- (4) for main_thread & terminate flags
- change qpn_terminate() so does nothing if
terminate flag is already set.
lib/qpnexus.h -- (4) for main_thread & terminate flags
tests/bgp_capability_test.c -- (3)
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Added support for EAI_XXX error names and gai_strerror() error
messages.
Tidied up bgp_listener set up to remove #if skips around the
"old" way -- so that the older code doesn't simply rot away.
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Implemented less onerous ways of including descriptions of errors
and IP addresses in logging and other messages.
Implemented mapping of error numbers to error names, which is
generally more meaningful.
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The -l parameter now accepts multiple listen addresses,
separated by commas.
And empty listen address counts as <any>.
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Various bug fixes and improvements.
Running with a fair amount of debug/assert code, which must be
removed at some date.
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bgpd/bgp_advertise.c
bgpd/bgp_advertise.h
The adj_in and adj_out objects are now put on a list based
on the peer to whom the route belongs.
The adj_in and adj_out objects also now point to the bgp_node
which they are routes for.
This substantially reduces the work needed to shut down a peer.
bgpd/bgp_damp.c
Changes to adj_in and adj_out forced small change to macros
used in bgp_damp.c to manage its lists.
bgpd/bgp_debug.c
Replaced direct access to vty->node by the required vty_get_node().
bgpd/bgp_dump.c
Changes to the names of fields in bgp_info structures.
bgpd/bgp_engine.h
Modified the debug and trace functions.
bgpd/bgp_fsm.c
Make use of sockunion2str() consistent with common usage.
Improved some documentation.
bgpd/bgp_main.c
Use the newly extended qpn_add_hook_function() facility.
bgpd/bgp_mplsvpn.c
Changes to the names of fields in bgp_info structures.
bgpd/bgp_msg_read.c
Bug fix: correct handling of capability code length.
Improvement: better casting in calculation of message length.
bgpd/bgp_msg_write.c
Bug fix: correct byte ordering of bgp_id in open message.
bgpd/bgp_network.c
Bug fix: correct handling of incoming connections.
Takes advantage of improvements in sockunion.c.
bgpd/bgp_nexthop.c
Changes to the names of fields in bgp_info structures.
bgpd/bgp_open_state.c
Remove mistaken #include of memtypes.h
bgpd/bgp_packet.c
Improvements to handling of withdrawing routes for peers.
bgpd/bgp_peer.c
Tidying up the state of peers as they are enabled and disabled.
Improvements to handling of withdrawing routes for peers.
bgpd/bgp_peer.h
Adding list bases for lists of routes originated by the peer.
bgpd/bgp_peer_index.c
Bug fix: correct freeing of peer indexes.
bgpd/bgp_route.c
Implement lists of bgp_info based in the owning peer. Adjust
for name changes to bgp_info fields.
Reimplemented all the clearing functions to use the lists of
items that belong to the peer -- rather than searching route
tables for stuff to withdraw.
Changed work queue handling for added/changed routes, so
that queues run through existing items, rather than having
queues of auxiliary items -- lower memory overhead.
bgpd/bgp_route.h
Added fields to bgp_info to allow all bgp_info originated by
each peer to live on lists based in the peer. And changed the
name of existing fields to avoid confusion.
bgpd/bgp_routemap.c
Removing redundant code and fixing a memory leak.
bgpd/bgp_table.h
Based work queue for added/changed routes directly in the
table, rather than having auxiliary structures.
bgpd/bgp_vty.c
Use vty_get_node() and vty_set_node() rather than direct
access to the vty field.
bgpd/bgpd.c
Implement changes to route clearing.
bgpd/bgpd.h
Changes to work queue handling.
lib/buffer.c
Changes to allow embedded buffer structures.
lib/buffer.h
Moved struct buffer here so that could have embedded buffer
structurs.
lib/command.c
Substantial tidy up and document exercise.
Restructured the top level command processing and finding
of descriptions and command completion.
Removal of unpleasant messing around with the insides of
vector structures.
Movement of some command actions to vty.c.
Uses uty.h to pick up the "private" functions from vty.c
et al.
lib/command.h
Moved the "node" values to node_type.h, so that can use an
enum node_type in places where cannot include command.h.
lib/command_queue.c
Updated to cope with the called command changing the node
value.
Improved handling of revoked commands, so the the command
line handler does not get stuck waiting for a command to
complete which has been revoked !
lib/command_queue.h
Improved message format.
lib/if.c
Use vty_set_node().
lib/keychain.c
Use vty_set_node().
new lib/keystroke.c
new lib/keystroke.h
New code to implement a keystroke FIFO.
This moves some complexity out of the command handler.
The handling of mixtures of escapes and Telnet IACs is
tightened up.
It would be possible to extend this to, say, UTF-8.
Regularises the "stealing" of keystrokes for the "--more--"
output handling... which was a bit hit and miss.
new lib/list_util.c
new lib/list_util.h
New code to implement various forms of linked list,
where the list pointers are embedded in structures.
lib/log.c
Changed the handling of log messages, so that all types
of log output (except syslog) use the same message buffer
scheme, and the message is constructed once and once
only.
Changes to the handling of VTY_LOCK() etc.
Uses uty.h to pick up the "private" functions from vty.c
et al.
lib/log.h
Changes to the buffering of log messages.
new lib/mem_tracker.c
New code to track memory allocation/deallocation, for
debug purposes.
lib/memory.c
lib/memory.h
Updated to allow the use of the mem_tracker.
lib/memtypes.awk
Made the memtypes into a named enum MTYPE.
lib/memtypes.c
Various new memory types.
lib/mqueue.c
lib/mqueue.h
Add mqueue_finish function for close-down.
lib/network.c
lib/network.h
Added non-blocking read_nb() and write_nb().
new lib/node_type.h
As above.
lib/plist.c
Remove vty_puts() which wasn't a good idea.
lib/qlib_init.c
Added qps_init() to first stage and mqueue_finish to
finish.
lib/qpnexus.c
lib/qpnexus.h
More flexible hooks for in_thread_init and in_thread_final.
lib/qpselect.c
lib/qpselect.h
Added qps_start_up() to build the required maps once and
for all.
Added qdebug to control the debug checks and validation.
Improved validation and test functions.
new lib/qstring.c
new lib/qstring.h
New code for limited flexible string handling.
lib/qtimers.c
Added qdebug to control the debug checks and validation.
lib/routemap.c
Use vty_set_node().
lib/sockunion.c
lib/sockunion.h
Tidied up and regularised the handling of sin_len and
sin6_len.
Created common function for setting port into socket.
Created common function for initialisation/allocation of
new sockunion.
Reduced various functions by using common sub-functions.
Rationalised some code.
Added sockunion_listen() and sockunion_new_sockaddr().
Renamed sockunion_new() to sockunion_new_prefix().
Improved some logging messages.
Added documentation.
new lib/uty.h
Functions etc. used only by vty/command/log/vty_io and
vty_cli.
lib/vector.c
lib/vector.h
Added vector_t type.
Removed VECTOR_INDEX, vector_only_wrapper_free() and
vector_only_index_free() -- following improvement of
code in command.c.
Added vector_set_min_length(), vector_set_new_min_length()
and vector_length() functions.
new lib/vio_fifo.c
new lib/vio_fifo.h
New code to manage simple FIFO of indefinite length.
lib/vty.c
lib/vty.h
Reworked. Broken into vty.c, vty_io.c and vty_cli.c.
new lib/vty_cli.c
new lib/vty_cli.h
CLI handling parts of the vty family.
new lib/vty_io.c
new lib/vty_io.h
I/O parts of the vty family.
lib/workqueue.h
Introduced tyedefs for the various call-back entries.
new tests/test-list_util.c
Tests for the list-util stuff.
vtysh/vtysh.c
Small change to interface for cmd_execute_command()
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Updated quagga thread handling to use qtimers when using the new
qpnexus -- so all timers are qtimers in the new scheme.
Updated work queue handling so that each work queue item is a single
malloced structure, not three. (Only bgpd and zebra use the work
queue system.)
When using qpnexus the background thread queue is no longer a timer
queue, but simply a list of pending background threads. When a
background thread is waiting on a timer, it is in the qtimer pile,
same like any other thread.
When using qpnexus, the only remaining quagga thread queues are the
event and ready queues.
Revised the qpnexus loop so that only when there is nothing else to
do will it consider the background threads.
Revised write I/O in the BGP Engine so that all writing is via the
connection's write buffer. Revised the write I/O in the Routeing
Engine, so that it passes groups of updates in a single mqueue
message. This all reduces the number of TCP packets sent (because
BGP messages are collected together in the connection's write buffer)
and reduces the number of mqueue messages involved.
(No need for TCP_CORK.)
Code and comments review for the new code.
modified: bgpd/bgp_advertise.c
modified: bgpd/bgp_common.h
modified: bgpd/bgp_connection.c
modified: bgpd/bgp_connection.h
modified: bgpd/bgp_engine.h
modified: bgpd/bgp_fsm.c
modified: bgpd/bgp_main.c
modified: bgpd/bgp_msg_read.c
modified: bgpd/bgp_msg_write.c
modified: bgpd/bgp_network.c
modified: bgpd/bgp_packet.c
modified: bgpd/bgp_packet.h
modified: bgpd/bgp_peer.c
modified: bgpd/bgp_peer_index.h
modified: bgpd/bgp_route.c
modified: bgpd/bgp_route_refresh.h
modified: bgpd/bgp_session.c
modified: bgpd/bgp_session.h
modified: bgpd/bgpd.c
new file: bgpd/bgpd.cx
modified: lib/mqueue.h
modified: lib/qpnexus.c
modified: lib/qpnexus.h
modified: lib/qpselect.c
modified: lib/qtimers.c
modified: lib/qtimers.h
modified: lib/sigevent.c
modified: lib/stream.c
modified: lib/stream.h
modified: lib/thread.c
modified: lib/thread.h
modified: lib/workqueue.c
modified: lib/workqueue.h
modified: tests/heavy-wq.c
modified: zebra/zebra_rib.c
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Wired up message counters in bgp_session structure.
Added fields to session for neighbor interface and
neighbor update-source -- so that these can be set when connect()
is done. Peering Engine resolves any interface name to an address,
so that BGP Engine doesn't have to.
Reinstated as much code as necessary in bgp_network to bind to
specific interfaces, as set in the session.
Moved setting of bgp_nexthop_set() back into Routeing Engine.
Result is that only Peering Engine talks to Zebra or uses the
iflist.
Wired up setting of TTL.
Reworked connections locking of the session mutex so more robust
if/when connections are cut loose from the session.
Made peer_index entry point at connection, not session. Works
better in bgp_network that way.
modified: bgpd/bgp_connection.c
modified: bgpd/bgp_connection.h
modified: bgpd/bgp_fsm.c
modified: bgpd/bgp_msg_read.c
modified: bgpd/bgp_msg_write.c
modified: bgpd/bgp_network.c
modified: bgpd/bgp_network.h
modified: bgpd/bgp_peer.c
modified: bgpd/bgp_peer.h
modified: bgpd/bgp_peer_index.c
modified: bgpd/bgp_peer_index.h
modified: bgpd/bgp_session.c
modified: bgpd/bgp_session.h
modified: lib/prefix.h
modified: lib/sockunion.c
modified: lib/sockunion.h
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Finish the wiring required to get bgp_msg_read to process OPEN
messages into the connection's open_state, and be able to check
for correct peer AS, etc.
Removed bugs preventing messages from being written.
Added BGP Id check to collision detection logic.
Removed as many warnings from comilation as possible. Replaced
horrible FIFO kludge in the process. (Introduced the even more
horrible miyagi kludge.)
modified: bgpd/bgp_advertise.c
modified: bgpd/bgp_advertise.h
modified: bgpd/bgp_connection.c
modified: bgpd/bgp_connection.h
modified: bgpd/bgp_debug.c
modified: bgpd/bgp_fsm.c
modified: bgpd/bgp_msg_read.c
modified: bgpd/bgp_msg_write.c
modified: bgpd/bgp_network.c
modified: bgpd/bgp_nexthop.c
modified: bgpd/bgp_notification.c
modified: bgpd/bgp_open.c
modified: bgpd/bgp_packet.c
modified: bgpd/bgp_session.c
modified: bgpd/bgp_session.h
modified: bgpd/bgpd.c
modified: lib/Makefile.am
modified: lib/distribute.c
modified: lib/if_rmap.c
new file: lib/miyagi.h
modified: lib/prefix.h
modified: lib/sockopt.c
modified: lib/stream.c
modified: lib/thread.c
modified: lib/vty.c
modified: lib/zebra.h
modified: tests/bgp_capability_test.c
modified: tests/bgp_mp_attr_test.c
modified: tests/ecommunity_test.c
modified: tests/heavy-thread.c
modified: tests/heavy-wq.c
modified: tests/heavy.c
modified: tests/main.c
modified: tests/test-checksum.c
modified: tests/test-sig.c
modified: watchquagga/watchquagga.c
modified: zebra/if_netlink.c
modified: zebra/ioctl.c
modified: zebra/rt_netlink.c
modified: zebra/rtread_netlink.c
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Correctly stepping along list of listeners in bgp_md5_set_listeners.
Added reset function for peer index and remove spurious argument
for bgp_peer_index_mutex_init.
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pthreads then all point at same nexus object. Do necessary in-thread
initialization and finalization. Fix some minor warnings.
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TODOs.
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modified: bgpd/Makefile.am
modified: bgpd/bgp.h
modified: bgpd/bgp_common.h
modified: bgpd/bgp_connection.c
modified: bgpd/bgp_connection.h
modified: bgpd/bgp_engine.h
modified: bgpd/bgp_fsm.c
modified: bgpd/bgp_network.c
modified: bgpd/bgp_network.h
new file: bgpd/bgp_peer_index.c
new file: bgpd/bgp_peer_index.h
modified: bgpd/bgp_session.c
modified: bgpd/bgp_session.h
modified: lib/memtypes.c
modified: lib/mqueue.h
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modified: bgpd/bgp_common.h
modified: bgpd/bgp_connection.c
modified: bgpd/bgp_connection.h
modified: bgpd/bgp_fsm.c
modified: bgpd/bgp_fsm.h
modified: bgpd/bgp_network.c
modified: bgpd/bgp_open_state.h
modified: bgpd/bgp_session.c
modified: bgpd/bgp_session.h
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On branch bgp_engine
modified: .gitignore
modified: bgpd/Makefile.am
new file: bgpd/bgp.h
new file: bgpd/bgp_common.c
new file: bgpd/bgp_common.h
new file: bgpd/bgp_connection.c
new file: bgpd/bgp_connection.h
modified: bgpd/bgp_debug.c
new file: bgpd/bgp_engine.c
new file: bgpd/bgp_engine.h
modified: bgpd/bgp_fsm.c
modified: bgpd/bgp_fsm.h
modified: bgpd/bgp_network.c
modified: bgpd/bgp_network.h
new file: bgpd/bgp_notification.c
new file: bgpd/bgp_notification.h
modified: bgpd/bgp_open.c
new file: bgpd/bgp_open_state.c
new file: bgpd/bgp_open_state.h
modified: bgpd/bgp_packet.c
new file: bgpd/bgp_peer.c
new file: bgpd/bgp_peer.h
modified: bgpd/bgp_route.c
new file: bgpd/bgp_session.c
new file: bgpd/bgp_session.h
modified: bgpd/bgp_vty.c
modified: bgpd/bgp_zebra.c
modified: bgpd/bgpd.c
modified: bgpd/bgpd.h
modified: lib/Makefile.am
modified: lib/memtypes.c
modified: lib/mqueue.c
modified: lib/mqueue.h
new file: lib/qafi_safi.h
modified: lib/qpselect.c
modified: lib/qpselect.h
modified: lib/qpthreads.c
modified: lib/qpthreads.h
modified: lib/sockopt.c
modified: lib/sockunion.c
modified: lib/sockunion.h
modified: lib/stream.c
modified: lib/stream.h
modified: lib/symtab.h
modified: lib/zebra.h
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* bgp_network.c: (bgp_md5_set) Missing piece from earlier listener change
did not get ported from Vyatta code into upstream. The list
listener_sockets changed from (int *) to (struct bgp_listener *).
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* bgp_network.c: (bgp_accept) The code in current git will crash as part of
the revised listener code is missing. The new listener thread code passes
a pointer to a bgp_listener structure, not the bgp pointer. The old code
always got a NULL for bgp pointer, so that is now hard coded.
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Start BGP listener only after first instance is started. This helps the
security if BGP is not used but daemon is started. It also addresses some
issues like MD5 not working on listener unless IPV6 configured (because
listener was not in list); as well as compiler warnings.
* bgp_network.c: (bgp_listener) listen socket creation consolidated here
(bgp_socket) Use bgp_listener
* bgpd.c: (bgp_get) call bgp_socket on creation of first struct bgp.
(bgp_init) remove bgp_socket call.
* memtypes.c: Add MTYPE_BGP_LISTENER
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Currently, when accepting the connection, it can be left as zombie, when the
peer just initiates a connection, but never sends data (and the TCP
connection end packets are lost). This happens because for accepted
connections a temporary new peer entry is created until OPEN message is
exchanged, and this temporary peer entry does not get the hold time
parameter set at all.
* bgp_network.c: (bgp_accept) Set hold time and keepalive values for ACCEPT
peers.
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This patch fixes:
bgp_network.c: In function 'bgp_md5_set':
bgp_network.c:107: warning: cast from pointer to integer of different size
bgp_network.c: In function 'bgp_socket':
bgp_network.c:447: warning: cast to pointer from integer of different size
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* bgpd/bgp_network.c: Fix MD5 listen in IPv4 version of bgp_socket() by
adding listen socket to listen_sockets list so that MD5 passwords can
get set.
* lib/sockopt.c: (sockopt_tcp_signature) Fix bogus "% Error while applying
TCP-Sig to session(s)" / "can't set TCP_MD5SIG option" startup error
messages by not returning error when there isn't one.
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When bgp calls getaddrinfo, it gets both ipv6 and ipv4 addresses.
Unless IPV6_ONLY is set on Linux, only the ipv6 bind will succeed,
and the IPV4 connections will come in as mapped connections on the
IPV6 socket.
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2008-08-14 Stephen Hemminger <stephen.hemminger@vyatta.com>
* lib/log.{c,h}: struct message argument should point to const
* */*.c: adjust to suit,
Signed-off-by: Paul Jakma <paul@quagga.net>
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2008-07-21 Paul Jakma <paul.jakma@sun.com>
* bgp_packet.c: (bgp_open_receive) fix warning in a zlog call
* bgp_vty.c: (bgp_vty_return) add return code
* bgpd.c: (bgp_master_init) setup the socket list.
* bgp_network.c: Remove the dual IPv4/6 socket thing for now, which
was implemented by Michael, until such time as its clear its
required for Linux (see sockopt comments). IPv6 support, including
IPv4 sessions on AF_INET6 sockets, therefore is broken, and the
'-l 0.0.0.0' arguments would need to be given to bgpd to make
things work here.
2008-07-21 Michael H. Warfield <mhw@wittsend.com>
YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Tomohiko Kusuda <kusuda@inetcore.com>
Leigh Brown <leigh@solinno.co.uk>
* bgp_network.c: (bgp_md5_set_one) shim between libzebra tcp-md5
sockopt and bgpd.
(bgp_md5_set_socket) Helper for bgp_connect
(bgp_md5_set) setup TCP-MD5SIG for the given peer.
(bgp_connect) call out to bgp_md5_set_socket for the outgoing
connect socket.
(bgp_socket) save references to the listen sockets, needed if
TCP-MD5SIG is applied later or changed.
* bgp_vty.c: (*neighbor_password_cmd) New 'neighbor ... password'
commands.
* bgpd.c: (peer_{new,delete) manage TCP-MD5 password
(peer_group2peer_config_copy) inherit TCP-MD5 password
(peer_password_{un,}set) orchestrate the whole add/remove of TCP-MD5
passwords: applying checks, stopping peers, and trying to return
errors to UI, etc.
(bgp_config_write_peer) save password.
Fix missing newline in writeout of neighbor ... port.
2008-07-21 Paul Jakma <paul.jakma@sun.com>
* sockunion.c: ifdef out various places that converted
v4mapped sockets to pure v4. Doesn't seem necessary at all,
presumably a workaround for now historical inet_ntop bugs (?)
2008-07-21 Michael H. Warfield <mhw@wittsend.com>
YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
* sockopt.{c,h}: (sockopt_tcp_signature) Add TCP-MD5SIG support.
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2008-01-29 Jorge Boncompte <jorge@dti2.net>
* bgp_network.c: (bgp_socket) IPv4-only version crashes if -l is not
used as address will be null.
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* bgp_main.c: Add 'listenon' argument, to pass address to bind
to.
* bgp_network.c: (bgp_socket) Extend to take bind address.
* bgpd.c: (bgp_init) Pass stored address.
* bgpd.h: (struct bgp_master) storage for bind address
2007-11-01 Paul Jakma <paul.jakma@sun.com>
* tools/multiple-bgpd.sh: New, quick script to launch a bunch of
bgpds.
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2007-05-09 Paul Jakma <paul.jakma@sun.com>
* configure.ac: sys/conf.h depends on sys/param.h, at least on
FBSD 6.2.
(bug #363) Should check for in_pktinfo for IRDP
2006-05-27 Paul Jakma <paul.jakma@sun.com>
* configure.ac: General cleanup of header and type checks, introducing
an internal define, QUAGGA_INCLUDES, to build up a list of
stuff to include so as to avoid 'present but cant be compiled'
warnings.
Misc additional checks of things missing according to autoscan.
Add LIBM, for bgpd's use of libm, so as to avoid burdening
LIBS, and all the binaries, with libm linkage.
Remove the bad practice of using m4 changequote(), just
quote the []'s in the case statements properly.
This should fix bugs 162, 303 and 178.
* */*.{c,h}: Update all HAVE_* to the standard autoconf namespaced
HAVE_* defines. I.e. HAVE_SA_LEN -> HAVE_STRUCT_SOCKADDR_SA_LEN,
* bgpd/Makefile.am: Add LIBM to bgpd's LDADD, for pow().
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* (global) The great bgpd extern and static'ification.
* bgp_routemap.c: remove unused ROUTE_MATCH_ASPATH_OLD code
(route_set_metric_compile) fix u_int32_t to ULONG_MAX comparison
warnings.
* bgp_route.h: (bgp_process, bgp_withdraw, bgp_update) export these
used by various files which had their own private declarations,
in the case of mplsvpn - incorrect.
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* bgp_network.c: (bgp_accept) use XSTRDUP
* bgpd.c: (peer_delete) XFREE the correct memtype, not free.
(peer_create) use XSTRDUP
* bgp_packet.c: (bgp_stream_dup) deleted, stream_dup should be used
(various) update -> s/bgp_stream_dup/stream_dup
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* bgp_fsm.c: (bgp_stop) use sockunion_free, not XFREE..
* bgp_network.c: (bgp_getsockname) ditto
* bgp_routemap.c: (route_match_peer) ditto, als use a ret value and
remove one sockunion_free.
* bgpd.c: (peer_delete) ditto
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* (global): Fix up list loops to match changes in lib/linklist,
and some basic auditing of usage.
* configure.ac: define QUAGGA_NO_DEPRECATED_INTERFACES
* HACKING: Add notes about deprecating interfaces and commands.
* lib/linklist.h: Add usage comments.
Rename getdata macro to listgetdata.
Rename nextnode to listnextnode and fix its odd behaviour to be
less dangerous.
Make listgetdata macro assert node is not null, NULL list entries
should be bug condition.
ALL_LIST_ELEMENTS, new macro, forward-referencing macro for use
with for loop, Suggested by Jim Carlson of Sun.
Add ALL_LIST_ELEMENTS_RO for cases which obviously do not need the
"safety" of previous macro.
LISTNODE_ADD and DELETE macros renamed to ATTACH, DETACH, to
distinguish from the similarly named functions, and reflect their
effect better.
Add a QUAGGA_NO_DEPRECATED_INTERFACES define guarded section
with the old defines which were modified above,
for backwards compatibility - guarded to prevent Quagga using it..
* lib/linklist.c: fix up for linklist.h changes.
* ospf6d/ospf6_abr.c: (ospf6_abr_examin_brouter) change to a single
scan of the area list, rather than scanning all areas first for
INTER_ROUTER and then again for INTER_NETWORK. According to
16.2, the scan should be area specific anyway, and further
ospf6d does not seem to implement 16.3 anyway.
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* *.c: Change level of debug messages to LOG_DEBUG.
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* global: Replace strerror with safe_strerror. And vtysh/vtysh.c
needs to include "log.h" to pick up the declaration.
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* Update with fix in debian bug id 222930.
* bgp_main.c: Add ZCAP_RAW, needed to bind to interfaces.
bgp_network.c: (....) raise/lower privs around call to
SO_BINDTODEVICE sockopt.
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* Revert the attempted clean-up of the dummy peer hack, reverts
patchsets 435 (see 2004-02-17 below) and 456.
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* bgpd.h: (bgp_peer) add fd_local and fd_accept
file descriptor's, fd becomes a pointer to one of these.
* bgpd.c: (global) adjust for fact that fd is now a pointer.
(peer_create_accept) removed.
* bgp_route.c: (global) adjust for change of peer fd to pointer
* bgp_packet.c: (bgp_collision_detect) adjust and remove the
"replace with other peer" hack.
* bgp_network.c: (bgp_accept) Remove the dummy peer hack.
Update peer->fd_accept instead.
(global) Adjust fd references - now a pointer.
* bgp_fsm.c: (global) adjust peer fd to pointer.
(bgp_connection_stop) new function, to stop connection.
(global) adjust everything which closed peer fd to use
bgp_connection_stop().
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