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Signed-off-by: David Lamparter <equinox@diac24.net>
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const const const your boat, merrily down the stream...
Signed-off-by: David Lamparter <equinox@diac24.net>
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When there are multiple advertisers/paths to reach
Intra-Prefix route, if any path is removed,
re-added back, it does add to the same route node.
ospf6 intra prefix, first stored in oa->route_table
then as part of add cb, it would add to ospf6->route_table
which adds to FIB.
When copying a route with its paths & NHs from oa->table to
ospf6->table the path origin should not be modified otherwise
ospf6->table would not find existing node rather it appends
new node.
Use spf_table to fetch nexthops for a given advertisers/path,
to form effective nexthop list for a route.
Ticket:CM-16139
Testing Done:
R2 ---- R3
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R1 ---- R4
Inject Intra Ara Prefix LSA from R1 & R3, validate R2 and R4
having two origination point/paths to reach for a route.
Trigger link flap, frr restart or remove/readd R3's INP one of the
injection point.
Remove link between R4 to R1 and validate R3 carrying single
path to reach prefix.
Signed-off-by: Chirag Shah <chirag@cumulusnetworks.com>
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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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Handle RFC 2328 16.4 Calculating AS external routes with ECMP
For ASBR route, if it is learnt via new LSA and contains
different nexthop list. First lookup route in ospf6 route table
if it exists, merge nexthop list to existing and call the callback
to install into FIB (zebra). Delete created new route as it is
identical to existing entry in route table.
Ticket:CM-16139
Testing Done:
Run two ASBR with 2 ECMP paths from each
DUT neighbor receievs 4 ECMP path to a external route.
ospf6 installs all 4 ECMP path to FIB/RIB
Signed-off-by: Chirag Shah <chirag@cumulusnetworks.com>
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Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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Free route node upon asbr redistribute route cleanup from
external_id_table route tale.
Free route node when route_remove is called and
node->info is set to null.
Decrement route node lock in route_lookup api as it
is incremented as part of node_lookup api.
use local variable for nexthop vs. malloc in zebra parse
routine.
two of the memory leaks related to nexthops per route were not freed.
two of the memory leak detected per frr service restart
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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Headers using struct cmd_token should directly include command.h so the
struct is actually defined.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
Conflicts:
bgpd/bgp_route.c
bgpd/bgp_routemap.c
bgpd/bgp_vty.c
isisd/isis_redist.c
isisd/isis_routemap.c
isisd/isis_vty.c
isisd/isisd.c
lib/command.c
lib/distribute.c
lib/if.c
lib/keychain.c
lib/routemap.c
lib/routemap.h
ospf6d/ospf6_asbr.c
ospf6d/ospf6_interface.c
ospf6d/ospf6_neighbor.c
ospf6d/ospf6_top.c
ospf6d/ospf6_zebra.c
ospf6d/ospf6d.c
ospfd/ospf_routemap.c
ospfd/ospf_vty.c
ripd/rip_routemap.c
ripngd/ripng_routemap.c
vtysh/extract.pl.in
vtysh/vtysh.c
zebra/interface.c
zebra/irdp_interface.c
zebra/rt_netlink.c
zebra/rtadv.c
zebra/test_main.c
zebra/zebra_routemap.c
zebra/zebra_vty.c
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Signed-off-by: Christian Franke <chris@opensourcerouting.org>
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Signed-off-by: Daniel Walton <dwalton@cumulusnetworks.com>
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Signed-off-by: Daniel Walton <dwalton@cumulusnetworks.com>
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Signed-off-by: Daniel Walton <dwalton@cumulusnetworks.com>
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(cherry picked from commit 9099f9b2a66e86f8a90d7fe18f61bd2bb1bc6744)
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There are preexisting fields u.lp.id and u.lp.adv_router in struct
prefix that do the same thing as these type-punning pointer derefs.
Use these and shut up the strict-aliasing warnings.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
(cherry picked from commit 0de0138a9146074f268245193e45c9376d998722)
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Fix lots of warnings. Some const and type-pun breaks strict-aliasing
warnings left but much reduced.
* bgp_advertise.h: (struct bgp_advertise_fifo) is functionally identical to
(struct fifo), so just use that. Makes it clearer the beginning of
(struct bgp_advertise) is compatible with with (struct fifo), which seems
to be enough for gcc.
Add a BGP_ADV_FIFO_HEAD macro to contain the right cast to try shut up
type-punning breaks strict aliasing warnings.
* bgp_packet.c: Use BGP_ADV_FIFO_HEAD.
(bgp_route_refresh_receive) fix an interesting logic error in
(!ok || (ret != BLAH)) where ret is only well-defined if ok.
* bgp_vty.c: Peer commands should use bgp_vty_return to set their return.
* jhash.{c,h}: Can take const on * args without adding issues & fix warnings.
* libospf.h: LSA sequence numbers use the unsigned range of values, and
constants need to be set to unsigned, or it causes warnings in ospf6d.
* md5.h: signedness of caddr_t is implementation specific, change to an
explicit (uint_8 *), fix sign/unsigned comparison warnings.
* vty.c: (vty_log_fixed) const on level is well-intentioned, but not going
to fly given iov_base.
* workqueue.c: ALL_LIST_ELEMENTS_RO tests for null pointer, which is always
true for address of static variable. Correct but pointless warning in
this case, but use a 2nd pointer to shut it up.
* ospf6_route.h: Add a comment about the use of (struct prefix) to stuff 2
different 32 bit IDs into in (struct ospf6_route), and the resulting
type-pun strict-alias breakage warnings this causes. Need to use 2
different fields to fix that warning?
general:
* remove unused variables, other than a few cases where they serve a
sufficiently useful documentary purpose (e.g. for code that needs
fixing), or they're required dummies. In those cases, try mark them as
unused.
* Remove dead code that can't be reached.
* Quite a few 'no ...' forms of vty commands take arguments, but do not
check the argument matches the command being negated. E.g., should
'distance X <prefix>' succeed if previously 'distance Y <prefix>' was set?
Or should it be required that the distance match the previously configured
distance for the prefix?
Ultimately, probably better to be strict about this. However, changing
from slack to strict might expose problems in command aliases and tools.
* Fix uninitialised use of variables.
* Fix sign/unsigned comparison warnings by making signedness of types consistent.
* Mark functions as static where their use is restricted to the same compilation
unit.
* Add required headers
* Move constants defined in headers into code.
* remove dead, unused functions that have no debug purpose.
(cherry picked from commit 7aa9dcef80b2ce50ecaa77653d87c8b84e009c49)
Conflicts:
bgpd/bgp_advertise.h
bgpd/bgp_mplsvpn.c
bgpd/bgp_nexthop.c
bgpd/bgp_packet.c
bgpd/bgp_route.c
bgpd/bgp_routemap.c
bgpd/bgp_vty.c
lib/command.c
lib/if.c
lib/jhash.c
lib/workqueue.c
ospf6d/ospf6_lsa.c
ospf6d/ospf6_neighbor.h
ospf6d/ospf6_spf.c
ospf6d/ospf6_top.c
ospfd/ospf_api.c
zebra/router-id.c
zebra/rt_netlink.c
zebra/rt_netlink.h
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Remove compile warnings for the ospfd/ospf6d directory
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Reviewed-by:
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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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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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* 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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ospf6_lsdb prototype declaration from ospf6_lsa.h. Report sent to Yasuhiro
Ohara as well.
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zclient changes.
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