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Change-Id: I488965e78d0b3291af4c82902098ca666317a22e
Signed-off-by: Neale Ranns <nranns@cisco.com>
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[support for VPWS/VPLS]
- switch to using dpo_proto_t rather than fib_protocol_t in fib_paths so that we can describe L2 paths
- VLIB nodes to handle pop/push of MPLS labels to L2
Change-Id: Id050d06a11fd2c9c1c81ce5a0654e6c5ae6afa6e
Signed-off-by: Neale Ranns <nranns@cisco.com>
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Change-Id: Ifb17bae98ae1362078889d40e2369d58997bd92c
Signed-off-by: Neale Ranns <neale.ranns@cisco.com>
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Change-Id: Idb97e573961b3bc2acdeef77582314590795f8c3
Signed-off-by: Pavel Kotucek <pkotucek@cisco.com>
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Simplify L2 output feature infra to unify with L2 input feature
infra using the newly improved feature bitmap mechanism.
Updated all L2 features to use the more efficient infra functions.
Change-Id: If8f463826b0af0717129befe92a27ea8cfc40449
Signed-off-by: John Lo <loj@cisco.com>
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Change-Id: I123eccea98abafeb31f25d2a162501e2eded60d4
Signed-off-by: Damjan Marion <damarion@cisco.com>
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To save space in the first cacheline following is changed:
- total_length_not_including_first_buffer moved to the 2nd cacheline.
This field is used only when VLIB_BUFFER_TOTAL_LENGTH_VALID and
VLIB_BUFFER_NEXT_PRESENT are both set.
- free_list_index is now stored in 4bits inside flags, which
allows up to 16 free lists. In case we need more we can store index
in the 2nd cachelin
Change-Id: Ic8521350819391af470d31d3fa1013e67ecb7681
Signed-off-by: Damjan Marion <damarion@cisco.com>
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Change-Id: Ic31b388cb972fb5f8a3fc42a5412401c3ee3e487
Signed-off-by: Christophe Fontaine <christophe.fontaine@enea.com>
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a double version of is_tagged, uses "free lanes" in _mm_cmpeq_epi16
to check a second tag
this code was not yet tested for performance
Change-Id: I640017e1cc75c85a33d196ee911a7e4a512d9849
Signed-off-by: Eyal Bari <ebari@cisco.com>
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If a bonded interface is in active-backup mode and configured with
IPv4 and/or IPv6 addresses, on slave interface link up/down, send
a GARP packet if configured with an IPv4 address and an unsolcited
NA if configured with an IPv6 address. These packets can help with
faster route convergence in the next hop router/switch.
Change-Id: I68ccb11a4a40cda414704fa08ee0171c952befa2
Signed-off-by: John Lo <loj@cisco.com>
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source is connected
Change-Id: I39fb0ec44cc322eaa12c0ff0700fc405d3982bfc
Signed-off-by: Neale Ranns <nranns@cisco.com>
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l2_len was not updated for the third tag
as the ethernet node retracts by the vlan count after parse_header (using
ethernet_buffer_header_size) it ends up pointing before the ethernet header
+ some minor cleanups
Change-Id: I4ccaedd33928912e5d837376f146503b27071741
Signed-off-by: Eyal Bari <ebari@cisco.com>
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API for P2P Ethernet feature
Change-Id: Id0280f42b9ce2428262e79c4dc309595037cd10e
Signed-off-by: Pavel Kotucek <pkotucek@cisco.com>
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Change-Id: I21b1ad39275495d4d006023b58f630a213445854
Signed-off-by: Neale Ranns <nranns@cisco.com>
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don't add duplicate extensions.
Change-Id: Icf72d6e1b004d0dda532bec2b51f6b74544925bb
Signed-off-by: Neale Ranns <nranns@cisco.com>
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there are, intentionally, no validation checks in the ARP/ND code to prevent an ARP/ND entry from being installed for an address that is not local to the interface's sub-net. This is ok, since the adjacency/FIB code is designed to handle this case using the 'refinement' criteria - i.e. only installing a FIB entry for the address if the address 'refines' (i.e. is more specific than) the interface's sub-net.
However, the refinement criteria currently operates on the FIB entry's prefix (which is a /32, so on the address) and not on the next-hop in the path.
So, enter multiple ARP entries for the same address on different links, and this refinement criteria uses only the last added path, and so will remove the FIB entry should the ARP entries be added in the 'wrong' order.
This fix updates the refinement criteria to work on each path of the FIB entry. The entry is installed if one of the paths refines the covers and only paths refining the cover contribute forwarding.
Per-path refinement checks are stored in path-extensions. The patch is rather large as path-extension, which were previously used only for out-going MPLS labels, have been generalized.
Change-Id: I00be359148cb948c32c52109e832a70537a7920a
Signed-off-by: Neale Ranns <nranns@cisco.com>
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Check whether an ARP src hw addr starts with 00:00:5e:00:01
before rejecting due to a mismatch between ARP src hw addr
and ethernet frame src addr.
Change-Id: Ia3ecd5d6dba34876aca8d90bc622a0a1397e48fb
Signed-off-by: Matthew Smith <mgsmith@netgate.com>
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Change-Id: I876599d6183fab989949e8ccad5c0a3ef81991be
Signed-off-by: Hongjun Ni <hongjun.ni@intel.com>
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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: I6ce21317fcaa25781199f4329be815f076ab8b09
Signed-off-by: Hongjun Ni <hongjun.ni@intel.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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Interface can be in promiscuous mode if more than one of its sub-
interface is in L2 mode. In promiscuous mode, L3 interface need to
verify DMAC of packet to match that of the interface and drop if not.
This check was done on sub-interface only and now also added to main
interface path.
Fix incorrect MAC addresses in the flow-per-pkt plugin test, which
caused it to fail.
Fix MAC address usage in BFD tests.
Change-Id: I12a17ec05c7ab298ad10d400c90d082c97eca521
Signed-off-by: John Lo <loj@cisco.com>
Signed-off-by: Klement Sekera <ksekera@cisco.com>
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vpp_lite platform is not needed anymore as same efect can be
achieved with following startup.conf config:
plugins {
plugin dpdk_plugin.so { disable }
}
Change-Id: I690ea8ceb1c6e1fe32e01e7da54e9958019a93bf
Signed-off-by: Damjan Marion <damarion@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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To support creating loopback interfaces with a specific
instance number, a new CREATE_LOOPBACK_INSTANCE API call
with flag is_specified and value user_instance is introduced.
Presumably the existing CREATE_LOOPBACK API message will be
obsoleted and revmoved.
The VAT cli commands can now mention and format
the new field as 'instance %d' data. If no instance
number is named, the old call CREATE_LOOPBACK is used
to maintain backward compatibility. However, if the
instance is named, the new CREATE_LOOPBACK_INSTANCE
message will be used.
Both the dynamically allocated and user-requested instance
number are tracked in a bitvector. If is_specified is 0,
the next free instance will be used.. A request for a specific
instance number will be granted if it is available. On error,
the value ~0 is returned.
Change-Id: I849815563a5da736dcd6bccd262ef49b963f6643
Signed-off-by: Jon Loeliger <jdl@netgate.com>
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Extended sw_interface_dump to provide 802.1ah (pbb) tag rewrite info if
present.
Extended log "l2-output" to provide raw data to display result of
prospetive pbb tag rewrite. Tracing is moved after l2output_vtr to show
these changes.
Change-Id: I8b7cb865dc67ce21afab402cc086dac35f7c0f07
Signed-off-by: Pavel Kotucek <pkotucek@cisco.com>
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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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