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Diffstat (limited to 'doc/mpls/opaque_lsa.txt')
| -rw-r--r-- | doc/mpls/opaque_lsa.txt | 365 |
1 files changed, 365 insertions, 0 deletions
diff --git a/doc/mpls/opaque_lsa.txt b/doc/mpls/opaque_lsa.txt new file mode 100644 index 0000000..ae89ee3 --- /dev/null +++ b/doc/mpls/opaque_lsa.txt @@ -0,0 +1,365 @@ +1. List of "opaque-type dependent" callback functions per LSA-type. + + <ospf_opaque_lsaN_functab> (N = 9,10,11) + | + | struct + | list struct struct + +-> +-------+ listnode listnode + | head |-----> +------+ +------ + | tail | | next |--------------------> | next + | count | /--| prev |<---------------------| prev + +-------+ | data |----+ | + |///////| +------+ | + +-------+ | + | + struct | + ospf_opaque_tabent | + +----------------------+ <--+ + | opaque_type | + +----------------------+ + | (Callback functions) | + +----------------------+ + + +2. Self-originated Opaque-LSAs per LSA-type. + +2.1 Type-11 (AS-external) Opaque-LSAs + + struct + ospf + +---> +-------------------+ + | |///////////////////| + | +-------------------+ + | | opaque | + | +-------------------+ + | |///////////////////| + | +-------------------+ + | | opaque_lsa_self |---+ + | +-------------------+ | + | |///////////////////| | + | +-------------------+ | + | | + ......|.............................|....................................... + : | | Almost common for type-9,10,11 LSA : + : | +-----------------------+ : + : | | : + : | | struct : + : | | list struct struct : + : | +-> +-------+ listnode listnode : + : | | head |-----> +------+ +------ : + : | | tail | | next |--------------------> | next : + : | | count | /--| prev |<---------------------| prev : + : | +-------+ | data |---+ | : + : | |///////| +------+ | : + : | +-------+ | : + : | | : + : | struct | : + : | opaque_info_per_type | : + : | +-------------------+ <--------+ : + : | | opaque_type | <------------+ : + : | +-------------------+ | : + : | | status | | : + : | +-------------------+ | : + : | | t_opaque_lsa_self | | : + : | +-------------------+ | : + : +-----| owner | | struct : + : +-------------------+ | ospf_opaque_tabent : + : | functab |-------------------> +---------------- : + : +-------------------+ | | opaque_type : + : | id_list |---+ | |(Callback Funcs) : + : +-------------------+ | | | : + : | | : + : +-----------------------+ | : + : | | : + : | struct | : + : | list struct | struct : + : +-> +-------+ listnode | listnode : + : | head |-----> +------+ | +------ : + : | tail | | next |--------------------> | next : + : | count | /--| prev |<---------------------| prev : + : +-------+ | data |---+ | | : + : |///////| +------+ | | : + : +-------+ | | : + : | | : + : struct | | : + : opaque_info_per_id | | : + : +-------------------+ <--------+ | : + : | opaque_id | | : + : +-------------------+ | : + : | t_opaque_lsa_self | | : + : +-------------------+ | : + : | opqctl_type |--------------+ : + : +-------------------+ : + : | lsa |---+ : + : +-------------------+ | : + : | : + : struct | : + : ospf_lsa | : + : +-------------+ <-------+ : + : |/////////////| struct : + : +-------------+ lsa_header : + : | data |--------------> +-------- : + : +-------------+ | : + : |/////////////| : + : +-------------+ : + : +--------| area | : + : | +-------------+ : + : --- |/////////////| : + : +-------------+ : + : +-----| oi | : + : | +-------------+ : + : --- : + :..........................................................................: + +2.2 Type-10 (area-local) Opaque-LSAs + + struct + ospf + +---------+ <-----------+ + |/////////| | + +---------+ | + | + struct | + ospf_area | + +--+---> +-----------------+ | + | | | top |-----+ + | | +-----------------+ + | | |/////////////////| struct + | | +-----------------+ ospf_lsa + | | | router_lsa_self |-----------> +--------- + | | +-----------------+ | + | | | opaque_lsa_self |-----+ | + | | +-----------------+ | + | | |/////////////////| | + | | +-----------------+ | + | | | + ...|..|.............................|....................................... + : | | | Almost common for type-9,10,11 LSA : + : | | +-----------------------+ : + : | | | : + : | | | struct : + : | | | list struct struct : + : | | +-> +-------+ listnode listnode : + : | | | head |-----> +------+ +------ : + : | | | tail | | next |--------------------> | next : + : | | | count | /--| prev |<---------------------| prev : + : | | +-------+ | data |---+ | : + : | | |///////| +------+ | : + : | | +-------+ | : + : | | | : + : | | struct | : + : | | opaque_info_per_type | : + : | | +-------------------+ <--------+ : + : | | | opaque_type | <------------+ : + : | | +-------------------+ | : + : | | | status | | : + : | | +-------------------+ | : + : | | | t_opaque_lsa_self | | : + : | | +-------------------+ | : + : | +-----| owner | | struct : + : | +-------------------+ | ospf_opaque_tabent : + : | | functab |-------------------> +---------------- : + : | +-------------------+ | | opaque_type : + : | | id_list |---+ | |(Callback Funcs) : + : | +-------------------+ | | | : + : | | | : + : | +-----------------------+ | : + : | | | : + : | | struct | : + : | | list struct | struct : + : | +-> +-------+ listnode | listnode : + : | | head |-----> +------+ | +------ : + : | | tail | | next |--------------------> | next : + : | | count | /--| prev |<---------------------| prev : + : | +-------+ | data |---+ | | : + : | |///////| +------+ | | : + : | +-------+ | | : + : | | | : + : | struct | | : + : | opaque_info_per_id | | : + : | +-------------------+ <--------+ | : + : | | opaque_id | | : + : | +-------------------+ | : + : | | t_opaque_lsa_self | | : + : | +-------------------+ | : + : | | opqctl_type |--------------+ : + : | +-------------------+ : + : | | lsa |---+ : + : | +-------------------+ | : + : | | : + : | struct | : + : | ospf_lsa | : + : | +-------------+ <-------+ : + : | |/////////////| struct : + : | +-------------+ lsa_header : + : | | data |--------------> +-------- : + : | +-------------+ | : + : | |/////////////| : + : | +-------------+ : + : +--------| area | : + : +-------------+ : + : |/////////////| : + : +-------------+ : + : +-----| oi | : + : | +-------------+ : + : --- : + :..........................................................................: + +2.3 Type-9 (link-local) Opaque-LSAs + + struct + ospf_area + +------> +---------+ <---------+ + | |/////////| | + | +---------+ | + | | + | struct | + | ospf_interface | + | +-+-> +-----------------+ | + | | | |/////////////////| | + | | | +-----------------+ | + | | | | area |---+ + | | | +-----------------+ + | | | |/////////////////| struct + | | | +-----------------+ ospf_lsa + | | | |network_lsa_self |-----------> +--------- + | | | +-----------------+ | + | | | | opaque_lsa_self |-----+ | + | | | +-----------------+ | + | | | |/////////////////| | + | | | +-----------------+ | + | | | | + ...|..|.|...........................|....................................... + : | | | | Almost common for type-9,10,11 LSA : + : | | | +-----------------------+ : + : | | | | : + : | | | | struct : + : | | | | list struct struct : + : | | | +-> +-------+ listnode listnode : + : | | | | head |-----> +------+ +------ : + : | | | | tail | | next |--------------------> | next : + : | | | | count | /--| prev |<---------------------| prev : + : | | | +-------+ | data |---+ | : + : | | | |///////| +------+ | : + : | | | +-------+ | : + : | | | | : + : | | | struct | : + : | | | opaque_info_per_type | : + : | | | +-------------------+ <--------+ : + : | | | | opaque_type | <------------+ : + : | | | +-------------------+ | : + : | | | | status | | : + : | | | +-------------------+ | : + : | | | | t_opaque_lsa_self | | : + : | | | +-------------------+ | : + : | | +---| owner | | struct : + : | | +-------------------+ | ospf_opaque_tabent : + : | | | functab |-------------------> +---------------- : + : | | +-------------------+ | | opaque_type : + : | | | id_list |---+ | |(Callback Funcs) : + : | | +-------------------+ | | | : + : | | | | : + : | | +-----------------------+ | : + : | | | | : + : | | | struct | : + : | | | list struct | struct : + : | | +-> +-------+ listnode | listnode : + : | | | head |-----> +------+ | +------ : + : | | | tail | | next |--------------------> | next : + : | | | count | /--| prev |<---------------------| prev : + : | | +-------+ | data |---+ | | : + : | | |///////| +------+ | | : + : | | +-------+ | | : + : | | | | : + : | | struct | | : + : | | opaque_info_per_id | | : + : | | +-------------------+ <--------+ | : + : | | | opaque_id | | : + : | | +-------------------+ | : + : | | | t_opaque_lsa_self | | : + : | | +-------------------+ | : + : | | | opqctl_type |--------------+ : + : | | +-------------------+ : + : | | | lsa |---+ : + : | | +-------------------+ | : + : | | | : + : | | struct | : + : | | ospf_lsa | : + : | | +-------------+ <-------+ : + : | | |/////////////| struct : + : | | +-------------+ lsa_header : + : | | | data |--------------> +-------- : + : | | +-------------+ | : + : | | |/////////////| : + : | | +-------------+ : + : +--|-----| area | : + : | +-------------+ : + : | |/////////////| : + : | +-------------+ : + : +-----| oi | : + : +-------------+ : + :..........................................................................: + + +3. Internal structures for MPLS-TE parameter management. + + struct + ospf_mpls_te + +-------------+ + | status | + +-------------+ + | iflist |---+ + +-------------+ | + |(Router-TLV) | | + +-------------+ | + | + +---------------------+ + | + | struct + | list struct struct + +---> +-------+ listnode listnode + | head |-----> +------+ +------ + | tail | | next |--------------------> | next + | count | /--| prev |<---------------------| prev + +-------+ | data |---+ | + |///////| +------+ | + +-------+ | + | + +--------------------------------+ + | + | struct + | ospf_mpls_te_linkparms + +-> +----------------+ + | instance | struct + +----------------+ interface + | ifp |--------------------> +----------+ + +----------------+ +----> |//////////| + | area |----+ | +----------+ + +----------------+ | | | info |-----+ + | flags | | | +----------+ | + +----------------+ | | |//////////| | + | (Link-TLV) | | | +----------+ | + +----------------+ | | | + | (Link-SubTLVs) | | | struct | + +----------------+ | | ospf_if_info | + | | +----------+ <---+ + | | |//////////| + struct | | +----------+ + ospf_area | | | oifs |-----+ + +-> +--------------+ <----+ | +----------+ | + | |//////////////| | | + | +--------------+ | struct | + | | route_table | + | struct | +-----------+ <--+ + | ospf_interface | | route_top | - - - - -. + | +--------------+ <----+ | +-----------+ . + | |//////////////| | | . + | +--------------+ | | struct . + | | ifp |------|----------+ route_node . + | +--------------+ | +-----------+ < - - - - + | |//////////////| | |///////////| + | +--------------+ | +-----------+ + +---| area | +-----------------| info | + +--------------+ +-----------+ + |//////////////| |///////////| + +--------------+ +-----------+ |