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Signed-off-by: David Lamparter <equinox@diac24.net>
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Handle ECMP for Intra Area Prefix LSAs routes.
Ticket:CM-16139
Testing Done:
Configure ospf6 passive interface R2 and R3 with
same prefix address.
Check Intra Area Prefix LSA update at R1 and R3
which would have ECMP paths with effective two
paths and two nexthops (from R2 and R4).
stop frr at R3 and R1 and R4 route changes back to
one nexthop and one paht.
R1 ---- R2
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R3 ---- R4
Signed-off-by: Chirag Shah <chirag@cumulusnetworks.com>
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The following types are nonstandard:
- u_char
- u_short
- u_int
- u_long
- u_int8_t
- u_int16_t
- u_int32_t
Replace them with the C99 standard types:
- uint8_t
- unsigned short
- unsigned int
- unsigned long
- uint8_t
- uint16_t
- uint32_t
Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
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Signed-off-by: Lou Berger <lberger@labn.net>
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RFC 2328 (14.1) Premature aging of LSAs from
routing domain :
When ospf6d is going away (router going down),
send MAXAGEd self originated LSAs to all
neighbors in routing domain to trigger
Premature aging to remove from resepective LSDBs.
Neighbor Router Reboot:
Upon receiving Self-originate MAXAGEd LSA, simply
discard, Current copy could be non maxaged latest.
For neighbor advertised LSA's (current copy in LSDB)
is set to MAXAGE but received new LSA with Non-MAXAGE
(with current age), discard the current MAXAGE LSA,
Send latest copy of LSA to neighbors and update the
LSDB with new LSA.
When a neighbor transition to FULL, trigger AS-External
LSAs update from external LSDB to new neighbor.
Testing:
R1 ---- DUT --- R5
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R2 R3
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R4
Area 1: R5 and DUT
Area 0: DUT, R1, R2, R3
Area 2: R2 R4
Add IPv6 static routes at R5
Redistribute kernel routes at R5,
Validate routes at R4, redistributed via backbone
to area 2.
Stop n start frr.service at R5 and validated
MAXAGE LSAs then recent age LSAs in Database at DUT-R4.
Validated external routes installed DUT to R4.
Signed-off-by: Chirag Shah <chirag@cumulusnetworks.com>
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indent.py `git ls-files | pcregrep '\.[ch]$' | pcregrep -v '^(ldpd|babeld|nhrpd)/'`
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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The FSF's address changed, and we had a mixture of comment styles for
the GPL file header. (The style with * at the beginning won out with
580 to 141 in existing files.)
Note: I've intentionally left intact other "variations" of the copyright
header, e.g. whether it says "Zebra", "Quagga", "FRR", or nothing.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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The way thread.c is written, a caller who wishes to be able to cancel a
thread or avoid scheduling it twice must keep a reference to the thread.
Typically this is done with a long lived pointer whose value is checked
for null in order to know if the thread is currently scheduled. The
check-and-schedule idiom is so common that several wrapper macros in
thread.h existed solely to provide it.
This patch removes those macros and adds a new parameter to all
thread_add_* functions which is a pointer to the struct thread * to
store the result of a scheduling call. If the value passed is non-null,
the thread will only be scheduled if the value is null. This helps with
consistency.
A Coccinelle spatch has been used to transform code of the form:
if (t == NULL)
t = thread_add_* (...)
to the form
thread_add_* (..., &t)
The THREAD_ON macros have also been transformed to the underlying
thread.c calls.
Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
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Quagga sources have inherited a slew of Page Feed (^L, \xC) characters
from ancient history. Among other things, these break patchwork's
XML-RPC API because \xC is not a valid character in XML documents.
Nuke them from high orbit.
Patches can be adapted simply by:
sed -e 's%^L%%' -i filename.patch
(you can type page feeds in some environments with Ctrl-V Ctrl-L)
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Improve the _disable/_enable infrastructure so it gets into
a more usable shape and make 'no router ospf6' actually work.
Signed-off-by: Christian Franke <chris@opensourcerouting.org>
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 vulnerability (CERT-FI #514840) was reported by CROSS project.
ospf6d processes IPv6 prefix structures in incoming packets without
verifying that the declared prefix length is valid. This leads to a
crash
caused by out of bounds memory access.
* ospf6_abr.h: new macros for size/alignment validation
* ospf6_asbr.h: idem
* ospf6_intra.h: idem
* ospf6_lsa.h: idem
* ospf6_message.h: idem
* ospf6_proto.h: idem
* ospf6_message.c
* ospf6_packet_minlen: helper array for ospf6_packet_examin()
* ospf6_lsa_minlen: helper array for ospf6_lsa_examin()
* ospf6_hello_recv(): do not call ospf6_header_examin(), let upper
layer verify the input data
* ospf6_dbdesc_recv(): idem
* ospf6_lsreq_recv(): idem
* ospf6_lsupdate_recv(): idem
* ospf6_lsack_recv(): idem
* ospf6_prefixes_examin(): new function, implements A.4.1
* ospf6_lsa_examin(): new function, implements A.4
* ospf6_lsaseq_examin(): new function, an interface to above
* ospf6_packet_examin(): new function, implements A.3
* ospf6_rxpacket_examin(): new function, replaces
ospf6_header_examin()
* ospf6_header_examin(): sayonara
* ospf6_receive(): perform passive interface check earliest possible,
employ ospf6_rxpacket_examin()
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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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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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zclient changes.
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