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Signed-off-by: Lou Berger <lberger@labn.net>
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When preforming CI test, CLI command 'no router ospf' followed by a
'router ospf' is performed to clean up the previous configuration.
Ospfd crash when configuring 'netwoark area'.
This is due to opsf_opaque_term() introduce in previous commit that cause this
crash. It remove not only Opaque LSA but also the list through the call to
'list_delete_and_null()' function. Same take place in 'ospf_mpls_te_term()',
'ospf_router_info_term()' and 'ospf_ext_term()' function.
New set of 'ospf_XXX_finish()' has been introduced to solve this issue while
keeping the possiblity to terminate properly the Opaque LSA and remove MPLS
LFIB entries set by Segment Routing.
Signed-off-by: Olivier Dugeon <olivier.dugeon@orange.com>
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- When Extended Prefix LSA need to be refresh, paramaters may be
taken from the wrong interface i.e. Extended Link instead of Prefix
resulting in producing an empty LSA body. Then, ospfd crash due to the
assert on LSA length in ospf_lsa_different() function: code check that
the LSA size is larger than LSA header i.e. LSA is not empty.
Signed-off-by: Olivier Dugeon <olivier.dugeon@orange.com>
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Following various review, following files have been modfied:
- All: Change u_intXX_t typedef to standard uintXX_t types
- doc/OSPF-SR.rst: Update doc in particular the Linux Kernel configuration
section
- doc/ospfd.texi: Update CLI
- ospfd/ospf_dump.[c,h]: Add new 'debug ospf sr' when performing 'sh run'
- ospfd/ospf_ext.[c, h]: Various bug corrections notably to handle flooding of
Extended Prefix at startup. iFix TLVs size for LAN Adjacency.
Update Licence as per Community.md
- ospfd/ospf_opaque.c: Add proper termination function call to remove MPLS entries
- ospfd/ospf_ri.[c,h]: Bug corrections
- ospfd/ospf_sr.[c,h]: Various bug corrections, notably to determine the nexthop
SR Node. Add support to 'no-php-flag'.
Update Licence as per Community.md
- ospfd/ospfd.c: Add call to 'ospf_opaque_term()'
Signed-off-by: Olivier Dugeon <olivier.dugeon@orange.com>
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- Change all u_intXX_t typedef to standard type uintXX_t
- Correct removal of ZEBRA_OSPF_SR route in ospf_sr.c line 670
Signed-off-by: Olivier Dugeon <olivier.dugeon@orange.com>
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This is an implementation of draft-ietf-ospf-segment-routing-extensions-24
and RFC7684 for Extended Link & Prefix Opaque LSA.
Look to doc/OSPF_SR.rst for implementation details & known limitations.
New files:
- ospfd/ospf_sr.h: Segment Routing structure definition (SubTLVs + SRDB)
- ospfd/ospf_sr.c: Main functions for Segment Routing support
- ospfd/ospf_ext.h: TLVs and SubTLVs definition for RFC7684
- ospfd/ospf_ext.c: RFC7684 Extended Link / Prefix implementation
- doc/OSPF-SRr.rst: Documentation
Modified Files:
- doc/ospfd.texi: Add new Segment Routing CLI command definition
- lib/command.h: Add new string command for Segment Routing CLI
- lib/mpls.h: Add default value for SRGB
- lib/route_types.txt: Add new OSPF Segment Routing route type
- ospfd/ospf_dump.[c,h]: Add OSPF SR debug
- ospfd/ospf_memory.[c,h]: Add new Segment Routing memory type
- ospfd/ospf_opaque.[c,h]: Add ospf_sr_init() starting function
- ospfd/ospf_ri.c: Add new functions to Set/Get Segment Routing TLVs
Add new ospf_router_info_lsa_upadte() to send Opaque LSA to ospf_sr.c()
- ospfd/ospf_ri.h: Add new Router Information SR SubTLVs
- ospfd/ospf_spf.c: Add new scheduler when running SPF to trigger
update of NHLFE
- ospfd/ospfd.h: Add new thread for Segment Routing scheduler
- ospfd/subdir.am: Add new files
- vtysh/Makefile.am: Add new ospf_sr.c file for vtysh
- zebra/kernel_netlink.c: Add new OSPF_SR route type
- zebra/rt_netlink.[c,h]: Add new OSPF_SR route type
- zebra/zebra_mpls.h: Add new OSPF_SR route type
Signed-off-by: Olivier Dugeon <olivier.dugeon@orange.com>
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