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2017-02-02Fix SR multicast post mfib commitNeale Ranns6-22/+210
1 - use the SR policy to construct the replicate DPO. Each bucket therein is a SR tunnel. 2 - install a special mfib entry that links via this replicate 3 - forwarding is now mfib-lookup -> replicate -> sr_rewrite (per-tunnel) no need for a separate sr_replicate node. 4 - Stack the sr tunnel on the forwarding DPO of the first-hop FIB entry. no need for a second lookup post SR encap. 5 - fix some path-list lock leaks in the MFIB entry. Change-Id: I20de96ea4c4be4fae252625bde159d9c435c8315 Signed-off-by: Neale Ranns <nranns@cisco.com>
2017-01-31MFIB Coverity warnings. The lock macro is functionally equivalent but more ↵Neale Ranns2-25/+40
expressive (and might appease coverity) Change-Id: Ie3c9b2896a487a0302903bfbdd6348f6f091c67d Signed-off-by: Neale Ranns <nranns@cisco.com>
2017-01-28sh not show in the mfib flags commandsNeale Ranns1-2/+2
Change-Id: If10b878cb05d695eaed9416202fd19bed2e0b793 Signed-off-by: Neale Ranns <nranns@cisco.com>
2017-01-27IP Multicast FIB (mfib)Neale Ranns16-0/+5997
- IPv[46] mfib tables with support for (*,G/m), (*,G) and (S,G) exact and longest prefix match - Replication represented via a new replicate DPO. - RPF configuration and data-plane checking - data-plane signals sent to listening control planes. The functions of multicast forwarding entries differ from their unicast conterparts, so we introduce a new mfib_table_t and mfib_entry_t objects. However, we re-use the fib_path_list to resolve and build the entry's output list. the fib_path_list provides the service to construct a replicate DPO for multicast. 'make tests' is added to with two new suites; TEST=mfib, this is invocation of the CLI command 'test mfib' which deals with many path add/remove, flag set/unset scenarios, TEST=ip-mcast, data-plane forwarding tests. Updated applications to use the new MIFB functions; - IPv6 NS/RA. - DHCPv6 unit tests for these are undated accordingly. Change-Id: I49ec37b01f1b170335a5697541c8fd30e6d3a961 Signed-off-by: Neale Ranns <nranns@cisco.com>