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On higher warning levels, compilers expect %p printf arguments to be
void *. Since format string / argument warnings can be useful
otherwise, let's get rid of this noise by sprinkling casts to void *
over printf calls.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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When OSPF6 is creating the header for the ROUTER LSA type
if the packet being sent has interface information to add
to the data, the Sequence Number is at least double incremented.
This change moves the header creation to outside the loop over
all interfaces in the area. Additionally the header is created
at the bottom of the function now.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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During CR for nexthop upstream it was noticed that usage
of prefix2str was not consistent. This fixes this problem
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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The turn-on of -Werror was never run fully against powerpc.
there were some powerpc specific issues that turned up.
This commit fixes these issues.
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When a route_node has multiple ospf6_routes under it (common subnet case),
then the current implementation has an issue in adjusting the route_node->info
on a ospf6_route_remove() call.
The main reason is that it ends up using exact match to determine if the next
ospf6_route belongs to the same route_node or not. Fixing that part to use
rnode (the existing back-pointer to the route_node) from the ospf6_route to
determine that.
Also fixing some of the walks to turn them safe so that the route deletion is
fine.
Signed-off-by: Vipin Kumar <vipin@cumulusnetworks.com>
Reviewed-by: Vivek Venkatraman <vivek@cumulusnetworks.com>
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As per the RFC, when the NU bit is set, prefix should be ignored.
However, the code is currently ignoring prefix with LA bit too.
Fixing that part.
In future, we should also set LA bit for the loopback addresses. Not doing this
part right away, as quagga wont be backward compatible with its own previous
releases. Maybe after a release or so, we should start setting LA bit too.
Signed-off-by: Vipin Kumar <vipin@cumulusnetworks.com>
Reviewed-by: Daniel Walton <dwalton@cumulusnetworks.com>
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Support stubby and totally stubby areas in OSPFv3
Signed-off-by: Dinesh G Dutt <ddutt at cumulusnetworks.com>
Reviewed-by: Pradosh Mohapatra <pmohapat at cumulusnetworks.com>
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OSPFv3: Add ABR support and make ECMP > 4.
Signed-off-by: Dinesh G Dutt <ddutt at cumulusnetworks.com>
Signed-off-by: Pradosh Mohapatra <pmohapat at cumulusnetworks.com>
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Signed-off-by: Pradosh Mohapatra <pmohapat at cumulusnetworks.com>
Reviewed-by: Scott Feldman <sfeldma at cumulusnetworks.com>
[DL: adapted to rebase / readded randomly lost line]
[DL: killed timeval_subtract]
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Ensure that prefixes with the NU/LA bit set do not get added to the routing
table. Ensure that routers with the V6/R bit set do not get added as transit
routes.
Signed-off-by: Dinesh Dutt <ddutt at cumulusnetworks.com>
[DL: adjust to rebase]
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Unlike OSPFv2, the LSID of an LSA isn't sufficient to know what the contents
of the LSA are. Its useful for debugging and basic eyeball tests to see the
contents of the LSA in the simple tabular format of "show ipv6 ospf6 database".
This patch adds that output to the command. It replaces the existing fields of
"duration, Chksum and Length" with a single field called Payload which is
dependent on the LSA type. For Inter-Area Prefix, Intra-Area Prefix and
AS-External LSAs, this will be the advertised prefix/prefix length, for Router
LSAs, it is RtrID/IfID etc.
Signed-off-by: Dinesh G Dutt <ddutt at cumulusnetworks.com>
Reviewed-by: Pradosh Mohapatra <pmohapat at cumulusnetworks.com>
Reviewed-by: Scott Feldman <sfeldma at cumulusnetworks.com>
[DL: rebase fix, line disappeared in ospf6_abr_originate_summary_to_area]
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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OSPFv3: Support setting/clearing overload bit on router
It is sometimes necessary for a router to gracefully remove itself from
the SPF tree i.e. it cannot act as a transit router. It does this by
setting the overload bit in the router LSA. This patch adds support for
enabling/disabling the overload bit.
Signed-off-by: Dinesh G Dutt <ddutt at cumulusnetworks.com>
Reviewed-by: Pradosh Mohapatra <pmohapat at cumulusnetworks.com>
[DL: patch applied with fuzz]
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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This is implementing this part of RFC 2328:
This is the "first case", see below,
16.1.1. The next hop calculation
...
If there is at least one intervening router in the current
shortest path between the destination and the root, the
destination simply inherits the set of next hops from the
parent. Otherwise, there are two cases. In the first case,
the parent vertex is the root (the calculating router
itself). This means that the destination is either a
directly connected network or directly connected router.
The outgoing interface in this case is simply the OSPF
interface connecting to the destination network/router.
...
The current Quagga code always tries to inherit the nexthop from
a parent vertex, but does not cover the case that the destination
is directly connected to the root vertex. This patch adds support
for that case.
Signed-off-by: James Li <jli at cumulusnetworks.com>
Reviewed-by: Dinesh G Dutt <ddutt at cumulusnetworks.com>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Currently in OSPFv3 implementation, if all the interfaces are down/loopback
or are without any full adjacencies, the router LSA is suppressed. So for
a router with only stub networks, no router LSA is generated. However,
intra-prefix LSAs are generated for the stub networks and these intra-prefix
LSAs will reference the router LSA. So the router LSA really should not be
suppressed. It needs to be generated to be the starting vertex for SPF
w.r.t the stub networks.
Signed-off-by: James Li <jli at cumulusnetworks.com>
Reviewed-by: Dinesh G Dutt <ddutt at cumulusnetworks.com>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Signed-off-by: Dinesh G Dutt <ddutt at cumulusnetworks.com>
Signed-off-by: Ayan Banerjee <ayabaner at gmail.com>
Reviewed-by: Scott Feldman <sfeldma at cumulusnetworks.com>
Reviewed-by: James Li <jli at cumulusnetworks.com>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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* ospf6_route.c: (ospf6_route_best_next) Allows unlock route, even
when there's no next route. This is consistent with how
ospf6_route_next() behaves.
* ospf6_intra.c: (ospf6_intra_prefix_lsa_remove) Make sure the last
route considered is always unlocked. This is needed when the for
loop terminates because ospf6_route_is_prefix() returns zero.
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2008-08-15 Paul Jakma <paul.jakma@sun.com>
* {ospf6d,ripngd}/*: Finish job of marking functions as static, or
exporting declarations for them, to quell warning noise with
Quagga's GCC default high-level of warning flags. Thus allowing
remaining, more useful warnings to be more easily seen.
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2006-02-22 Yasuhiro Ohara <yasu@sfc.wide.ad.jp>
* valgrind check and memory fix
* route table identification string added
* ospf6d.h: version 0.9.7q
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2005-10-06 Yasuhiro Ohara <yasu@sfc.wide.ad.jp>
* ospf6_asbr.c: fix bug of calculating AS-External routes
in other areas. Add debugging function for border-router
calculation.
* ospf6d.h: version 0.9.7p
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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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* ospf6_route.c: Add const qualifier to various char arrays of
constants. signed/unsigned fixes.
(ospf6_linkstate_table_show) argv is const
* ospf6_snmp.c: listnode typedef is dead.
(ospf6_snmp_init) Take struct thread_master arg, needed for
smux_init.
* ospf6_snmp.h: update ospf6_snmp_init declaration.
* ospf6d.c: (ospf6_init) add const qualifier to sargv, pass master
to ospf_snmp6_init.
* ospf6_asbr.c: const char update.
* ospf6_interface.c: ditto, plus signed/unsigned fixes.
(ipv6_ospf6_cost) Check whether cost fits in u_int32_t and use
strtoul.
* ospf6_intra.c: const char update. Parenthesise expression.
* ospf6_lsa.c: signed/unsigned and const char updates.
* ospf6_proto.c: ditto.
* ospf6_message.c: ditto.
* ospf6_lsdb.c: signed/unsigned update.
* ospf6_main.c: const char update.
* ospf6_neighbor.c: ditto.
* ospf6_spf.c: ditto.
* ospf6_top.c: ditto.
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zclient changes.
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