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learn ARP peers if, 1) it's a reply to a local address, 2) we are sending a response to a request.
send proxy ARP responses only in the interface the request was sent.
Change-Id: I22b949c65122824233076492b7dd537daca07bc2
Signed-off-by: Neale Ranns <nranns@cisco.com>
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Change-Id: I4c3ce4d58df7977490fc94991291422ea1e31ee3
Signed-off-by: Neale Ranns <nranns@cisco.com>
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Change-Id: Ic16bc10d0b2877b2afdf052615f9334f31b9519f
Signed-off-by: Neale Ranns <nranns@cisco.com>
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1 - interface-DPO
Used in the Data-plane to change a packet's input interface
2 - MPLS multicast FIB entry
Same as a unicast entry but it links to a replicate not a load-balance DPO
3 - Multicast MPLS tunnel
Update MPLS tunnels to use a FIB path-list to describe the endpoint[s]. Use the path-list to generate the forwarding chain (DPOs) to link to .
4 - Resolve a path via a local label (of an mLDP LSP)
For IP multicast entries to use an LSP in the replication list, we need to decribe the 'resolve-via-label' where the label is that of a multicast LSP.
5 - MPLS disposition path sets RPF-ID
For a interface-less LSP (i.e. mLDP not RSVP-TE) at the tail of the LSP we still need to perform an RPF check. An MPLS disposition DPO performs the MPLS pop validation checks and sets the RPF-ID in the packet.
6 - RPF check with per-entry RPF-ID
An RPF-ID is used instead of a real interface SW if index in the case the IP traffic arrives from an LSP that does not have an associated interface.
Change-Id: Ib92e177be919147bafeb599729abf3d1abc2f4b3
Signed-off-by: Neale Ranns <nranns@cisco.com>
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This patch deprecates stack-based thread identification,
Also removes requirement that thread stacks are adjacent.
Finally, possibly annoying for some folks, it renames
all occurences of cpu_index and cpu_number with thread
index. Using word "cpu" is misleading here as thread can
be migrated ti different CPU, and also it is not related
to linux cpu index.
Change-Id: I68cdaf661e701d2336fc953dcb9978d10a70f7c1
Signed-off-by: Damjan Marion <damarion@cisco.com>
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Change-Id: I03195a86c69f84a301051c6b3ab64456bbf28645
Signed-off-by: Neale Ranns <nranns@cisco.com>
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Change-Id: Ia3acf87d3e07a7d41c047869de504e1972334b55
Signed-off-by: Eyal Bari <ebari@cisco.com>
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we should not suppress arps on remote interface instead we should flood them to the local one
used shg != 0 to identify packets from remote interfaces and disable arp term l2 input feature for them
Change-Id: I701537c05df7451a25ccb5bfc9e2b03ea70cff20
Signed-off-by: Eyal Bari <ebari@cisco.com>
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use a 32bit mask in the adjacency to AND with the IP address and OR into the rewrite.
Change-Id: I80b0f246c18fd74f3e43c5d49e25833412f34665
Signed-off-by: Neale Ranns <nranns@cisco.com>
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allow this config to function:
set int ip address loop0 169.254.1.1/32 (the default GW address for attached hosts)
set int unnumbered af_packet0 use loop0 ('enable' IP on the host interface)
ip route add 192.168.1.1/32 via af_packet0 (where to find the host)
repeat for each host and host interface.
Inter-host communication is throught the /32 routes.
To allow this:
1 - attached host routes have the ATTACHED flag set, so the ARP code accepts then as legitimate sources
2 - unnumbered interfaces inherit the source address from the IP interface
Change-Id: Ib66c5f0e848c528f79372813adc3a0c11b50717f
Signed-off-by: Neale Ranns <nranns@cisco.com>
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neighbor entry
Change-Id: I952039e101031ee6a06e63f4c73d8eb359423e1a
Signed-off-by: Neale Ranns <nranns@cisco.com>
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Change-Id: Ia9c6790436f8f6337b5351e3017ef5e441a8a4e9
Signed-off-by: Neale Ranns <nranns@cisco.com>
(cherry picked from commit 5e323329ed6ded6f6944c56069329207ad9069c0)
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Use FIB_SOURCE_PLUGIN_HI and modify ARP input to use non-source variants for
flags and resolving interface get.
Change-Id: I3bab76f36e0b1ee86e430a416099f1654e02740a
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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- 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>
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Change-Id: Iea1e2c31c016c3bb6344f73173d082a2c548ffee
Signed-off-by: Neale Ranns <neale.ranns@cisco.com>
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Change-Id: I7b51f88292e057c6443b12224486f2d0c9f8ae23
Signed-off-by: Damjan Marion <damarion@cisco.com>
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