Age | Commit message (Collapse) | Author |
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2006-05-30 Paul Jakma <paul.jakma@sun.com>
* (general) Fix confusion around MaxAge-ing and problem with
high-latency networks. Analysis and suggested fixes by
Phillip Spagnolo, in [quagga-dev 4132], on which this commit
expands slightly.
* ospf_flood.{c,h}: (ospf_lsa_flush) new function.
Scope-general form of existing flush functions, essentially
the dormant ospf_maxage_flood() but without the ambiguity of
whether it is responsible for flooding.
* ospf_lsa.c: (ospf_lsa_maxage) Role minimised to simply setup
LSA on the Maxage list and schedule removal - no more.
ospf_lsa_flush* being the primary way to kick-off flushes
of LSAs.
Don't hardcode the remover-timer value, which was too
short for very high-latency networks.
(ospf_maxage_lsa_remover) Just do what needs to be done to
remove maxage LSAs from the maxage list, remove the call
to ospf_flood_through().
Don't hardcode remove-timer value.
(ospf_lsa_{install,flush_schedule}) ospf_lsa_flush is the correct
entrypoint to flushing maxaged LSAs.
(lsa_header_set) Use a define for the initial age, useful for
testing.
* ospf_opaque.c: (ospf_opaque_lsa_refresh) ditto.
(ospf_opaque_lsa_flush_schedule) ditto.
* ospfd.h: ({struct ospf,ospf_new}) Add maxage_delay parameter,
interval to wait before running the maxage_remover. Supply a
suitable default.
Add a define for OSPF_LSA_INITIAL_AGE, see lsa_header_set().
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2006-07-26 Paul Jakma <paul.jakma@sun.com>
* ospf_lsa.{c,h}: (ospf_lsa_unlock) Change to take a double pointer
to the LSA to be 'unlocked', so that, if the LSA is freed, the
callers pointer to the LSA can be NULLed out, allowing any further
use of that pointer to provoke a crash sooner rather than later.
* ospf_*.c: (general) Adjust callers of ospf_lsa_unlock to match
previous. Try annotate 'locking' somewhat to show which 'locks'
are protecting what LSA reference, if not obvious.
* ospf_opaque.c: (ospf_opaque_lsa_install) Trivial: remove useless
goto, replace with return.
* ospf_packet.c: (ospf_make_ls_ack) Trivial: merge two list loops,
the dual-loop predated the delete-safe list-loop macro.
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* ospf_opaque.c:
(ospf_opaque_lsa_refresh_schedule,ospf_opaque_lsa_flush_schedule)
No need to call ospf_lookup(), just use lsa0->area->ospf instead.
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* (general) Fix memory leaks in opaque AS-scope LSAs, reported and
with much debugging done by by scott collins <scollins@agile.tv>.
(possible backport candidate?)
* ospf_lsa.c: (ospf_discard_from_db) dont call
ospf_ase_unregister_external_lsa for opaque-lsa's, opaques are
never registered with ase in the first place.
* ospf_packet.c: (general) Disabuse opaque related code of its
tendency to try gather up things into temporary lists.
(ospf_ls_upd) remove the temporary lists opaque uses, call
opaque functions inline, just like all other types.
(ospf_ls_ack) ditto.
(ospf_recv_packet) fixup sign warning.
* ospf_opaque.c: (general) fix the unneeded use of lists, and
untwist some of the logic.
(ospf_opaque_self_originated_lsa_received) take a single LSA
as argument, not a list of them. Remove the list loop. Logic
otherwise unchanged.
(ospf_opaque_ls_ack_received) Mostly ditto. But untwist the logic,
move the actions up into the switch block, remove the goto's and
sanitise the logic near the end a bit.
* ospf_opaque.h: Adjust definitions of aforementioned functions
in ospf_opaque.c to match.
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* (general) extern and static qualifiers added.
unspecified arguments in definitions fixed, typically they should
be 'void'.
function casts added for callbacks.
Guards added to headers which lacked them.
Proper headers included rather than relying on incomplete
definitions.
gcc noreturn function attribute where appropriate.
* ospf_opaque.c: remove the private definition of ospf_lsa's
ospf_lsa_refresh_delay.
* ospf_lsa.h: export ospf_lsa_refresh_delay
* ospf_packet.c: (ospf_make_md5_digest) make *auth_key const,
correct thing to do - removes need for the casts later.
* ospf_vty.c: Use vty.h's VTY_GET_INTEGER rather than ospf_vty's
home-brewed versions, shuts up several warnings.
* ospf_vty.h: remove VTY_GET_UINT32. VTY_GET_IPV4_ADDRESS and
VTY_GET_IPV4_PREFIX moved to lib/vty.h.
* ospf_zebra.c: (ospf_distribute_list_update_timer) hacky
overloading of the THREAD_ARG pointer should at least use
uintptr_t.
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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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* ospf_apiserver.{c,h}: lists typedef removal cleanup.
update some list loops to LIST_LOOP. some miscellaneous indent
fixups.
(ospf_apiserver_unregister_opaque_type) fix listnode_delete of
referenced node in loop.
* ospf_interface.h: lists typedef removal cleanup.
* ospf_opaque.{c,h}: lists typedef removal cleanup. update some list
loops to LIST_LOOP. miscellaneous style and indent fixups.
* ospf_te.{c,h}: ditto
* ospf_packet.c: lists typedef removal cleanup.
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* ospf_opaque.c: (ospf_opaque_lsa_flush_schedule) do not NULL out
the LSA as then free_opaque_info_per_id() can never unlock (and
free) the LSA. Reported by Gunnar Stigen.
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[quagga-dev 843]
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* Sync to Zebra CVS
* Fix lib/thread.h leak
* Fix small Opaque LSA leak
* Do not configure OSPF interfaces for secondary addresses
* vtysh fixes from Hasso
* Dave Watson's missing ntohs fix
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* sync to latest zebra CVS
* spec file: updated and added define for ospf-api/client
NB: OSPF-API has been broken by the zebra.org changes, which
has added struct ospf * as a new arg to many functions
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From: Masahiko Endo <endo@suri.co.jp>
Reply-To: zebra@zebra.org
To: zebra@zebra.org
Cc: kunihiro@zebra.org, yokota@kddlabs.co.jp
Subject: [zebra 16823] [PATCH] Bugfix and new feature in Opaque-LSA
handling.
----- * ----- * ----- * ----- * ----- * ----- * ----- * ----- * ----- * -----
Changes 2002.12.20
1. Bug fixes
1.1 When an opaque LSA is being removed from (or added to) the LSDB,
it does not mean a change in network topology. Therefore, SPF
recalculation should not be triggered in that case.
There was an assertion failure problem "assert (rn && rn->info)"
inside the function "ospf_ase_incremental_update()", because
the upper function "ospf_lsa_maxage_walker_remover()" called it
when a type-11 opaque LSA is removed due to MaxAge.
1.2 Type-9 LSA is defined to have "link-local" flooding scope.
In the Database exchange procedure with a new neighbor, a type-9
LSA was added in the database summary of a DD message, even if
the link is different from the one that have bound to.
2. Feature enhancements
2.1 Though a "wildcard" concept to handle type-9/10/11 LSAs altogether
has introduced about a year ago, it was only a symbol definition
and actual handling mechanism was not implemented. Now it works.
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