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uninentionally deleted along with a test.
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2007-08-06 Paul Jakma <paul.jakma@sun.com>
* ospf_lsa.c: (router_lsa_flags) Bug #331, NSSA regression caused
caused ASBRs to not advertise E-bit into NSSA areas.
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2006-12-12 Andrew J. Schorr <ajschorr@alumni.princeton.edu>
* if.h: (struct connected) Add new ZEBRA_IFA_PEER flag indicating
whether a peer address has been configured. Comment now shows
the new interpretation of the destination addr: if ZEBRA_IFA_PEER
is set, then it must contain the destination address, otherwise
it may contain the broadcast address or be NULL.
(CONNECTED_DEST_HOST,CONNECTED_POINTOPOINT_HOST) Remove obsolete
macros that were specific to IPv4 and not fully general.
(CONNECTED_PEER) New macro to check ZEBRA_IFA_PEER flag.
(CONNECTED_PREFIX) New macro giving the prefix to insert into
the RIB: if CONNECTED_PEER, then use the destination (peer) address,
else use the address field.
(CONNECTED_ID) New macro to come up with an identifying address
for the struct connected.
* if.c: (if_lookup_address, connected_lookup_address) Streamline
logic with new CONNECTED_PREFIX macro.
* prefix.h: (PREFIX_COPY_IPV4, PREFIX_COPY_IPV6) New macros
for better performance than the general prefix_copy function.
* zclient.c: (zebra_interface_address_read) For non-null destination
addresses, set prefixlen to equal the address prefixlen. This
is needed to get the new CONNECTED_PREFIX macro to work properly.
* connected.c: (connected_up_ipv4, connected_down_ipv4,
connected_up_ipv6, connected_down_ipv6) Simplify logic using the
new CONNECTED_PREFIX macro.
(connected_add_ipv4) Set prefixlen in destination addresses (required
by the CONNECTED_PREFIX macro). Use CONNECTED_PEER macro instead
of testing for IFF_POINTOPOINT. Delete invalid warning message.
Warn about cases where the ZEBRA_IFA_PEER is set but no
destination address has been supplied (and turn off the flag).
(connected_add_ipv6) Add new flags argument so callers may set
the ZEBRA_IFA_PEER flag. If peer/broadcast address satisfies
IN6_IS_ADDR_UNSPECIFIED, then reject it with a warning.
Set prefixlen in destination address so CONNECTED_PREFIX will work.
* connected.h: (connected_add_ipv6) Add new flags argument so
callers may set the ZEBRA_IFA_PEER flag.
* interface.c: (connected_dump_vty) Use CONNECTED_PEER macro
to decide whether the destination address is a peer or broadcast
address (instead of checking IFF_BROADCAST and IFF_POINTOPOINT).
* if_ioctl.c: (if_getaddrs) Instead of setting a peer address
only when the IFF_POINTOPOINT is set, we now accept a peer
address whenever it is available and not the same as the local
address. Otherwise (no peer address assigned), we check
for a broadcast address (regardless of the IFF_BROADCAST flag).
And must now pass a flags value of ZEBRA_IFA_PEER to
connected_add_ipv4 when a peer address is assigned.
The same new logic is used with the IPv6 code as well (and we
pass the new flags argument to connected_add_ipv6).
(if_get_addr) Do not bother to check IFF_POINTOPOINT: just
issue the SIOCGIFDSTADDR ioctl and see if we get back
a peer address not matching the local address (and set
the ZEBRA_IFA_PEER in that case). If there's no peer address,
try to grab SIOCGIFBRDADDR regardless of whether IFF_BROADCAST is set.
* if_ioctl_solaris.c: (if_get_addr) Just try the SIOCGLIFDSTADDR ioctl
without bothering to check the IFF_POINTOPOINT flag. And if
no peer address was found, just try the SIOCGLIFBRDADDR ioctl
without checking the IFF_BROADCAST flag. Call connected_add_ipv4
and connected_add_ipv6 with appropriate flags.
* if_proc.c: (ifaddr_proc_ipv6) Must pass new flags argument to
connected_add_ipv6.
* kernel_socket.c: (ifam_read) Must pass new flags argument to
connected_add_ipv6.
* rt_netlink.c: (netlink_interface_addr) Copy logic from iproute2
to determine local and possible peer address (so there's no longer
a test for IFF_POINTOPOINT). Set ZEBRA_IFA_PEER flag appropriately.
Pass new flags argument to connected_add_ipv6.
(netlink_address) Test !CONNECTED_PEER instead of if_is_broadcast
to determine whether the connected destination address is a
broadcast address.
* bgp_nexthop.c: (bgp_connected_add, bgp_connected_delete)
Simplify logic by using new CONNECTED_PREFIX macro.
* ospf_interface.c: (ospf_if_is_configured, ospf_if_lookup_by_prefix,
ospf_if_lookup_recv_if) Simplify logic using new CONNECTED_PREFIX
macro.
* ospf_lsa.c: (lsa_link_ptop_set) Using the new CONNECTED_PREFIX
macro, both options collapse into the same code.
* ospf_snmp.c: (ospf_snmp_if_update) Simplify logic using new
CONNECTED_ID macro.
(ospf_snmp_is_if_have_addr) Simplify logic using new CONNECTED_PREFIX
macro.
* ospf_vty.c: (show_ip_ospf_interface_sub) Use new CONNECTED_PEER macro
instead of testing the IFF_POINTOPOINT flag.
* ospfd.c: (ospf_network_match_iface) Use new CONNECTED_PEER macro
instead of testing with if_is_pointopoint. And add commented-out
code to implement alternative (in my opinion) more elegant behavior
that has no special-case treatment for PtP addresses.
(ospf_network_run) Use new CONNECTED_ID macro to simplify logic.
* rip_interface.c: (rip_interface_multicast_set) Use new CONNECTED_ID
macro to simplify logic.
(rip_request_interface_send) Fix minor bug: ipv4_broadcast_addr does
not give a useful result if prefixlen is 32 (we require a peer
address in such cases).
* ripd.c: (rip_update_interface) Fix same bug as above.
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2006-08-25 Paul Jakma <paul.jakma@sun.com>
* (general) Bug #134. Be more robust to backward time changes,
use the newly added libzebra time functions.
In most cases: recent_time -> recent_relative_time()
gettimeofday -> quagga_gettime (QUAGGA_CLK_MONOTONIC, ..)
time -> quagga_time.
(ospf_make_md5_digest) time() call deliberately not changed.
(ospf_external_lsa_refresh) remove useless gettimeofday, LSA
tv_orig time was already set in ospf_lsa_new, called via
ospf_external_lsa_new.
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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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2006-07-02 Paul Jakma <paul.jakma@sun.com>
* ospf_lsa.c: (ospf_translated_nssa_refresh) CID #13.
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2006-06-26 Paul Jakma <paul.jakma@sun.com>
* ospf_abr.c: (general) NSSA translate-candidate ABRs need to
be ASBRs, or other routers may rightfully refuse to install
translated type-5s LSAs. reported by dendroot@gmail.com.
(ospf_abr_nssa_check_status) Detect change in translator
state when ABR, and inc/dec redistribute count as when we
leave/enter the disabled state - so that translate-enabled
ABR properly sets ASBR bit on non-NSSA areas.
Run the resulting function through indent to clean it up.
* ospf_lsa.c: (router_lsa_flags) For purposes of ASBR bit,
NSSA area is same as stub area.
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2006-05-31 Paul Jakma <paul.jakma@sun.com>
* ospf_lsdb.c: (ospf_lsdb_delete) robustify against NULL arguments,
print warning.
* ospf_lsa.c: (ospf_discard_from_db) ditto.
(ospf_maxage_lsa_remover) Check lsa->lsdb for validity, possible
mitigation (but not solution) for bug #269.
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2006-05-13 Paul Jakma <paul.jakma@sun.com>
* ospf_lsa.c: (ospf_translated_nssa_refresh) fix the sanity
check to match the assert, small error in CID #13 fix.
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2006-05-12 Paul Jakma <paul.jakma@sun.com>
* ospf_lsa.c: (ospf_translated_nssa_refresh) Add non-assert
sanity check, in case DEBUG isn't defined. Debug message
when no type7 exists should print the ID from the type5, not
the type7, fixes CID #13.
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2006-05-12 Paul Jakma <paul.jakma@sun.com>
* ospf_lsa.c: (ospf_lsa_action) Get rid of the ospf_lookup
call, which is not checked for NULL return, by stripping out
functionality which is never used, hence fixing Coverity CID
#29.
(struct lsa_action) remove unused member.
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2006-05-11 Paul Jakma <paul.jakma@sun.com>
* ospf_lsa.c: (ospf_default_originate_timer) Let the thread
take (struct ospf *) as thread argument, rather than (struct
ospf *)->default_originate, thus avoiding having to call
ospf_lookup.
* ospf_zebra.c: (ospf_redistribute_default_set) change setup
of ospf_default_originate_timer thread to match.
* ospfd.c: (ospf_router_id_update) ditto.
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2006-03-27 Paul Jakma <paul.jakma@sun.com>
* ospf_lsa.c: (ospf_lsa_checksum) Add an explicit cast to avoid
the ambiguities of ANSI and C99 C with respect to type
conversion. Detailed problem report and test case with
example data supplied by Dmitry Ivanov <dimss@telecentrs.lv>.
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2006-03-23 Steve Lawson <steve.lawson@aheadcomusa.com>
* ospf_lsa.c: (ospf_lsa_install) Fix incorrect byte-order
conversion of OSPF_MAX_SEQUENCE_NUMBER
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2006-01-19 Paul Jakma <paul.jakma@sun.com>
* (general) various miscellaneous compiler warning fixes.
Remove redundant break statements from switch clauses
which return.
return from main, not exit, cause it annoys SOS.
Remove stray semi-colons which cause empty-statement
warnings.
* zebra/main.c: (sighup) remove private declaration of external
function.
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2006-01-18 Juergen Kammer <j.kammer@eurodata.de>
* ospf_lsa.c: (ospf_router_lsa_new) dont take reference to the
stream data until it is constructed, data reference is
volatile due to the potential resize in link_info_set
2006-01-18 Paul Jakma <paul.jakma@sun.com>
* ospf_lsa.c: (link_info_set) Resize the stream if required and
possible. Return number of links added.
(lsa_link_*_set) use return value from previous.
* ospf_lsa.h: Add OSPF_ROUTER_LSA_LINK_SIZE define.
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* ospf_abr.c: (ospf_abr_announce_network_to_area) check
returned LSA of ospf_summary_lsa_refresh and print warning if
it failed.
(ospf_abr_announce_network_to_area) similar
(ospf_abr_announce_rtr_to_area) similar
* ospf_lsa.c: (ospf_router_lsa_new) check LSA returned is valid.
(ospf_router_lsa_originate) similar
(ospf_router_lsa_refresh, ospf_network_lsa_new) similar
(ospf_summary_lsa_new) Check ID is valid.
(ospf_summary_lsa_originate) ditto, and check returned LSA from
previous function is !NULL.
(ospf_summary_lsa_refresh) check ospf_summary_lsa_new return
is !NULL.
(ospf_summary_asbr_lsa_new) ID valid check.
(ospf_summary_asbr_lsa_originate) similar.
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* (general) RFC3137 stub-router support
* ospfd.h: Add OSPF_OUTPUT_COST_INFINITE define.
(struct ospf_master) Add a OSPF_MASTER_SHUTDOWN flag for
options, to allow shutdown to distinguish between complete
shutdown and shutdown of a subset of ospf instances.
(struct ospf)
Add stub_router_{startup,shutdown_}time, configuration of startup
and shutdown time for stub-router.
Add t_graceful_shutdown struct thread, timer for graceful
shutdown, if needed.
(struct ospf_area) Add stub_router_state - run time state of
stub-router for an area. Add flags for ADMIN, IS and WAS
states.
Add t_stub_router, timer thread to resend router-lsa for an
area.
* ospf_lsa.c: (ospf_link_cost) new simple function to spit out
either the given lnks cost or infinite cost if stub-router is
in effect.
(lsa_link_{ptop,broadcast,virtuallink,ptomp}_set) use
previous function for transit-links.
(ospf_stub_router_timer) timer thread for end of startup stub
router. Change state as required for the area and setup
re-origination of router-lsa.
(ospf_stub_router_check) Check/do whether stub-router should be
enabled, and whether it requires timer to be setup.
(ospf_router_lsa_new) call previous function at top.
(ospf_router_lsa_originate) no external callers, made static.
* ospf_lsa.h: (ospf_router_lsa_originate) removed.
* ospf_main.c: (sigint) make static.
remove call to exit, as ospf_terminate now deals with
exiting.
* ospf_route.c: (ospf_terminate) removed, now in ospfd.c.
* ospf_vty.c: (show_ip_ospf_area) print out state of
stub-router, if active.
(show_ip_ospf) print out configuration of stub-router
support, and details of graceful-shutdown if the timer is
active.
((no)?ospf_max_metric_router_lsa_{admin,startup,shutdown}) new
commands to (de-)?configure stub-router support.
(config_write_stub_router) write out config of stub-router.
(ospf_config_write) call previous.
(ospf_vty_init) install the new stub-router commands.
* ospfd.c: various functions made static.
(ospf_new) Set defaults for stub-router. Graceful shutdown
is made to default on, just to be adventerous.
(ospf_graceful_shutdown_finish) new function, final part of
shutdown.
(ospf_graceful_shutdown_timer) timer thread wrapper for
graceful-shutdown.
(ospf_graceful_shutdown_check) check whether to setup timer
for shutdown or proceed directly to final shutdown.
(ospf_terminate) moved here from ospf_route.c, call
ospf_finish for each instance.
(ospf_finish) renamed to ospf_finish_final and made static.
(ospf_finish) new function, exported wrapper around
ospf_graceful_shutdown_check.
(ospf_finish_final) complete shutdown of an instance.
Add missing TIMER_OFF's of two timer threads.
(ospf_area_free) opaque self lsa timer should be turned off.
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* ospf_lsa.h: (ospf_external_lsa_flush) Comment out the 5th argument
(nexthop) since it is not used in the function (except inside
some commented-out code).
* ospf_lsa.c: (ospf_external_lsa_flush,ospf_external_lsa_refresh)
Comment out the 5th argument to ospf_external_lsa_flush.
* ospf_asbr.c: (ospf_redistribute_withdraw) Comment out 5th arg
to ospf_external_lsa_flush.
* ospf_vty.c: (no_ospf_default_information_originate) Eliminate 5th
uninitialized nexthop arg to ospf_external_lsa_flush.
* ospf_zebra.c: (ospf_zebra_read_ipv4) Comment out 5th arg
to ospf_external_lsa_flush.
* ospfd.c: (ospf_network_set) Comment out 5th arg
to ospf_external_lsa_flush.
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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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* ospf_lsa.c: (ospf_lsa_refresh_walker) If the system clock jumps
backward, then current time may be less than
ospf->lsa_refresher_started. This was causing invalid values
for ospf->lsa_refresh_queue.index resulting in infinite loops.
Problem fixed by casting the expression to unsigned before taking
the modulus.
[backport candidate]
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* (global) Update code to match stream.h changes.
stream_get_putp effectively replaced with stream_get_endp.
stream_forward renamed to stream_forward_getp.
stream_forward_endp introduced to replace some previous
setting/manual twiddling of putp by daemons.
* lib/stream.h: Remove putp. Update reference to putp with endp.
Add stream_forward_endp, which daemons were doing manually.
Rename stream_forward to stream_forward_getp.
lib/stream.c: Remove/update references to putp.
introduce stream_forward_endp.
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R. Leu (author of original idea).
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* *.c: Change level of debug messages to LOG_DEBUG.
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ripd might need some more testing though.
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* ospf_dump.c,ospf_lsa.c: Fix typos of merge of previous.
ospf_flood.c: (ospf_process_self_originated_lsa) fix zlog format.
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* ospf_dump.c: (ospf_lsa_header_dump) LOOKUP can return null if
index is out of range.
ospf_flood.c: endianness fix
ospf_lsa.c: Missing ntohl's on (struct lsa *)->data->ls_seqnum
in various places.
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* ospf_lsa.h: Add OSPF_LSA_PREMATURE_AGE flag.
* ospf_lsa.c: added better debug comments. check sequence number in
ospf_lsa_install. ospf_maxage_lsa_remover() checks for
OSPF_LSA_PREMATURE_AGE and re-originates the lsa after ls_acks are
received.
* ospf_flood.c: improve debug statement- print ls_seqnum.
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* ospf_lsa.c: fix up some places where an NSSA specific define,
(OSPF_LSA_LOCAL_XLT) was referenced in if statements without being
ifdef'ed by HAVE_NSSA.
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* (global): Add/fixup NSSA ABR translation functionality
* ospfd.h: Adjust the NSSA ROLE defines. Rename STATE to TRANSLATE.
Rename the LSA_NSSA_GET define to LSA_OPTIONS_NSSA_GET.
* ospfd.c: Adjust to match changes to ospfd.h
* ospf_te.c: Adjust to match change to LSA_NSSA_GET.
* ospf_lsa.h: slights reformatting.
Add new NSSA functions, ospf_translated_nssa_compare() (not
currently used), ospf_translated_nssa_refresh() and
ospf_translated_nssa_originate().
* ospf_lsa.c: Implemented aforementioned new functions. Fix up
several NSSA hooks to /not/ be called for Type-5s which are
translated. Add additional hooks. Set the ROUTER_LSA_NT bit in
router-lsa flags if ABR does translation. New function,
ospf_lsa_translated_nssa_new() implemented. Dont register
translated LSAs for refreshing - instead we implicitly rely on
the ASBR refreshing the Type-7, and refresh the translated Type-5
at the same time. Some minor reformatting. Extra debug info added.
Also, existing debug statements modified to report LSA Id.
* ospf_flood.c: call ospf_translated_nssa_refresh() when refreshing
Type-7. minor reformatting.
* ospf_dump.c: Dump NSSA LSAs.
* ospf_asbr.h: slight reformatting. Export
ospf_external_route_lookup() (though, not used. probably will
undo this).
* ospf_abr.c: Slight reformatting in many places. Update to match
ospfd.h changes.
(ospf_abr_translate_nssa): make it work, using the new ospf_lsa
translation functions.
(Several places): change struct prefix * to struct prefix_ipv4 *.
(might as well do the casts at higher levels). Add more debug
info.
(ospf_abr_announce_stub_defaults): announce default to NSSA areas
too.
(ospf_abr_announce_nssa_defaults): do nothing. this function
probably should die. (see ospf_abr_announce_stub_defaults).
(ospf_abr_task_timer): run NSSA tasks.
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* ospf_lsa.c (router_lsa_flags): Set the correct flags for
router-lsa's. Eg OSPF_FLAG_ASBR is /not/ an LSA flag, its an
internal ospfd flag (just happens to have same value as
ROUTER_LSA_EXTERNAL). Set ROUTER_LSA_EXTERNAL for ASBRs,
ROUTER_LSA_BORDER for ABRs and ROUTER_LSA_NT for NSSA ABRs which
are OSPF_NSSA_ROLE_ALWAYS translators.
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Subject: [zebra 19091] [PATCH] NSSA fixes try2
NSSA didn't work without problems even after my previous fixes. Seems
that I tracked down problems finally.
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Fix removal of Type-7 LSAs, http://bugzilla.dishone.st/show_bug.cgi?id=18
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problems with NSSA are resolved, and we can determine whether this had any
point.
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It didnt solve a particular problem of Hasso's, but i'm committing it just
for posterities sakes, so i dont lose it (i'll revert it immediately).
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To: zebra@zebra.org
Subject: [zebra 18648] [PATCH] Selforiginated Type-7 LSA's are not flushed
from lsdb
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Date: 2003-04-10 14:32:31 +0200 (Thu, 10 Apr 2003)
New Revision: 212
Modified:
zebra-ag/trunk/ospfd/ospf_lsa.c
Log:
I've fixed a small opaque lsa bug which got triggered when deleting opaque
lsa of type 11. It used area->ospf->.. when area was null. This was replaced
by a ospf = ospf_lookyp(); ospf->...
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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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Subject: [zebra 18573] PATCH ospfd: byte order error in assert statement
I found a bug in the ospfd code tickled this morning by a Type 1
LSA with exactly 62 entries (LSA length of 768, or 0x0300).
A missing ntohs in ospf_lsa.c:ospf_lsa_different() causes an assert
statement to fail, stopping ospfd.
> assert (l1->data->length > OSPF_LSA_HEADER_SIZE);
So, a length of type 768 turns into a length of 3 which is
obviously less than 20.
David
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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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