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2021-12-21fib: MPLS EOS chains built for attached prefixes should link to a lookup DPONeale Ranns1-4/+2
Type: fix Presently a local label associated with an attached or connected prefix will link to the glean. This is a problem since it will never use the adj-fibs that are installed for that attached prefix. Instead link the local label to a lookup in the table in which the attached link is bound. Signed-off-by: Neale Ranns <neale@graphiant.com> Change-Id: Iad49fb6168b9ba47216a9a52bd262363b49c3c43
2021-11-19fib: Don't use [midchain] adjacencies to change an interface's feature arcNeale Ranns1-0/+4
Type: fix Using the adjacency to modify the interface's feature arc doesn't work, since there are potentially more than one adj per-interface. Instead have the interface, when it is created, register what the end node of the feature arc is. This end node is then also used as the interface's tx node (i.e. it is used as the adjacency's next-node). rename adj-midhcain-tx as 'tunnel-output', that's a bit more intuitive. There's also a fix in config string handling to: 1- prevent false sharing of strings when the end node of the arc is different. 2- call registered listeners when the end node is changed For IPSec the consequences are that one cannot provide per-adjacency behaviour using different end-nodes - this was previously done for the no-SA and an SA with no protection. These cases are no handled in the esp-encrypt node. Signed-off-by: Neale Ranns <neale@graphiant.com> Change-Id: If3a83d03a3000f28820d9a9cb4101d244803d084
2020-12-14misc: move to new pool_foreach macrosDamjan Marion1-6/+6
Type: refactor Change-Id: Ie67dc579e88132ddb1ee4a34cb69f96920101772 Signed-off-by: Damjan Marion <damarion@cisco.com>
2020-10-14mpls: no per-MPLS-tunnel tx nodeNeale Ranns1-98/+143
Type: improvement do not add a per-MPLS tunnel tx node. per-tunnl nodes limit the number of tunnels that can be created to the number o fnodes that can be created (64k). improve the tx node. Signed-off-by: Neale Ranns <nranns@cisco.com> Change-Id: I6016f05e809c6c64a0b098a101b28c9dd47824b3
2020-10-07misc: Purge unused pg includesNeale Ranns1-1/+0
Type: style Signed-off-by: Neale Ranns <nranns@cisco.com> Change-Id: I26a19e42076e031ec5399d5ca05cb49fd6fbe1cd
2020-09-01mpls: fix adjacencies walk in case of restackBenoît Ganne1-1/+1
Adjacencies are only defined for IPv4 and IPv6. Type: fix Fixes: 20aec3db441074ee5a861a40d6e02fad2f3dcb37 Change-Id: I19b2b7f6958da49f41c6eabc9f248840769acbbb Signed-off-by: Benoît Ganne <bganne@cisco.com>
2020-03-10mpls: add user defined name tag to mpls tunnelsIJsbrand Wijnands1-2/+7
This allows a user creating MPLS tunnel through the bin_api to add a name tag. This is useful to correlate the Tunnel with its use-case. Also useful if the user needs to recover the MPLS Tunnel after a restart (mark-sweep). Type: feature Change-Id: Signed-off-by: IJsbrand Wijnands <ice@cisco.com> Change-Id: Idc080a63810a176ab090a2678a73d2cf9f7b523f
2019-12-03fib: constify the adjacency in the rewrite nodesNeale Ranns1-1/+1
Type: refactor Signed-off-by: Neale Ranns <nranns@cisco.com> Change-Id: I3aad20b35d89fc541fdf185096d71ca12b09a6e2
2019-06-18fib: fib api updatesNeale Ranns1-5/+9
Enhance the route add/del APIs to take a set of paths rather than just one. Most unicast routing protocols calcualte all the available paths in one run of the algorithm so updating all the paths at once is beneficial for the client. two knobs control the behaviour: is_multipath - if set the the set of paths passed will be added to those that already exist, otherwise the set will replace them. is_add - add or remove the set is_add=0, is_multipath=1 and an empty set, results in deleting the route. It is also considerably faster to add multiple paths at once, than one at a time: vat# ip_add_del_route 1.1.1.1/32 count 100000 multipath via 10.10.10.11 100000 routes in .572240 secs, 174751.80 routes/sec vat# ip_add_del_route 1.1.1.1/32 count 100000 multipath via 10.10.10.12 100000 routes in .528383 secs, 189256.54 routes/sec vat# ip_add_del_route 1.1.1.1/32 count 100000 multipath via 10.10.10.13 100000 routes in .757131 secs, 132077.52 routes/sec vat# ip_add_del_route 1.1.1.1/32 count 100000 multipath via 10.10.10.14 100000 routes in .878317 secs, 113854.12 routes/sec vat# ip_route_add_del 1.1.1.1/32 count 100000 multipath via 10.10.10.11 via 10.10.10.12 via 10.10.10.13 via 10.10.10.14 100000 routes in .900212 secs, 111084.93 routes/sec Change-Id: I416b93f7684745099c1adb0b33edac58c9339c1a Signed-off-by: Neale Ranns <neale.ranns@cisco.com> Signed-off-by: Ole Troan <ot@cisco.com> Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>
2019-04-08minor spelling errors (both in comments)Jim Thompson1-1/+1
Change-Id: I9282a838738d0ba54255bef347abf4735be29820 Signed-off-by: Jim Thompson <jim@netgate.com>
2019-02-28MPLS: tunnel delete crashNeale Ranns1-0/+6
Change-Id: I4adf713f4a1d596b9c8a78b79b5df2c7eb0c56f0 Signed-off-by: Neale Ranns <nranns@cisco.com>
2019-01-30MPLS tunnel; fix crash when deleting non-existant pathNeale Ranns1-0/+3
in the case the tunnel is the only user of the shared path list then removing its dependency removes the path list. hence lock the list Change-Id: I18318441698ceac16715b1826266a7d19dcd76e1 Signed-off-by: Neale Ranns <nranns@cisco.com>
2019-01-25MPLS-tunnel: show output to display the tunnel name correctlyNeale Ranns1-1/+1
Change-Id: I1554d9a4d6e4a4007cda9d0f83b03feb8fdbe853 Signed-off-by: Neale Ranns <nranns@cisco.com>
2018-10-23c11 safe string handling supportDave Barach1-2/+2
Change-Id: Ied34720ca5a6e6e717eea4e86003e854031b6eab Signed-off-by: Dave Barach <dave@barachs.net>
2018-09-26MPLS tunnel dump: use sw_if_index not tunnel_indexNeale Ranns1-0/+12
Change-Id: I6c0d5aec6ee96a0d40358f0e09a0901b22265063 Signed-off-by: Neale Ranns <neale.ranns@cisco.com>
2018-09-25MPLS tunnel dump fixNeale Ranns1-3/+6
Change-Id: I9d3d5243841d5b888f079e3ea5dc1e2e8befd1dc Signed-off-by: Neale Ranns <neale.ranns@cisco.com>
2018-09-24Trivial: Clean up some typos.Paul Vinciguerra1-1/+1
Change-Id: I085615fde1f966490f30ed5d32017b8b088cfd59 Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>
2018-08-24MPLS tunnel: don't reuse hw-indicesNeale Ranns1-27/+15
this is the same behaviour as other tunnel types Change-Id: I6439f692bc2bc18f12eea599e0e06b9eaa5eb128 Signed-off-by: Neale Ranns <nranns@cisco.com>
2018-07-23fix vector index range checksEyal Bari1-1/+1
Change-Id: I63c36644c9d93f2c3ec6606ca0205b407499de4e Signed-off-by: Eyal Bari <ebari@cisco.com>
2018-07-20IP directed broadcastNeale Ranns1-0/+1
with ip direct broadcast enable a packet to the interface's subnet broadcast address with be sent L2 broadcast on the interface. dissabled, it will be dropped. it is disabled by default, which preserves current behaviour Change-Id: If154cb92e64834e97a541b32624354348a0eafb3 Signed-off-by: Neale Ranns <nranns@cisco.com>
2018-06-11MTU: Software interface / Per-protocol MTU supportOle Troan1-0/+3
This patch separates setting of hardware interfaec and software interface MTU. Software MTU is L2 payload MTU (i.e. not including L2 header). Per-protocol MTU for IPv4, IPv6 and MPLS can also be set. Currently only IP4, IP6 are enabled in adjacency / rewrite code. Documentation in src/vnet/MTU.md Change-Id: Iee2fd6f0bbc8210748dd8e073ab9fab87d323690 Signed-off-by: Ole Troan <ot@cisco.com>
2018-03-19Coverity found bugs in recent MPLS changesNeale Ranns1-15/+6
Change-Id: I590945fdc1af53208c990a52bbecdc992fd27532 Signed-off-by: Neale Ranns <neale.ranns@cisco.com>
2018-03-09MPLS Unifom modeNeale Ranns1-3/+13
- support both pipe and uniform modes for all MPLS LSP - all API programming for output-labels requires that the mode (and associated data) is specificed - API changes in MPLS, BIER and IP are involved - new DPO [sub] types for MPLS labels to handle the two modes. Change-Id: I87b76401e996f10dfbdbe4552ff6b19af958783c Signed-off-by: Neale Ranns <nranns@cisco.com>
2018-01-30Allow the provider of a midchain adjacency to pass context data that is ↵Neale Ranns1-1/+4
returned in the fixup function Change-Id: I458e6e03b03e27775df33a2fd302743126d6ac44 Signed-off-by: Neale Ranns <nranns@cisco.com>
2017-11-26FIB: store the node type not the function pointer.Neale Ranns1-2/+0
Saves memory at no appreciable performance cost. before: DBGvpp# sh fib mem FIB memory Name Size in-use /allocated totals Entry 80 7 / 150 560/12000 after: DBGvpp# sh fib mem FIB memory Name Size in-use /allocated totals Entry 72 7 / 7 504/504 Change-Id: Ic5d3920ceb57b54260dc9af2078c26484335fef1 Signed-off-by: Neale Ranns <nranns@cisco.com>
2017-11-18unformat function for FIB pathsNeale Ranns1-51/+7
Change-Id: I32de25890ac0a643314f650591d2479879d9a2a6 Signed-off-by: Neale Ranns <nranns@cisco.com>
2017-08-10MPLS tunnel - multiple labels on the CLI - fix cut and paste robot errorsNeale Ranns1-13/+4
Change-Id: I675af62d9c0c9cf2e340bf19e902695861d4e4b5 Signed-off-by: Neale Ranns <nranns@cisco.com>
2017-08-09Allow multiple MPLS output labels to be passed on the CLINeale Ranns1-5/+18
Change-Id: Ib5af105e32b6b0df86923e189ab6bf6ee59de5b9 Signed-off-by: Neale Ranns <nranns@cisco.com>
2017-08-08L2 over MPLSNeale Ranns1-29/+46
[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>
2017-05-24MPLS tunnels; path-list lock leak and debug CLI imrpovementsNeale Ranns1-7/+16
Change-Id: Ifb51b49d4dac1f07027b12398314a52b5cce343e Signed-off-by: Neale Ranns <nranns@cisco.com>
2017-05-23Labelled attached paths via an MPLS tunnelNeale Ranns1-1/+3
Change-Id: Ic86617c9c3217122043656ce2ea70bb106df5b2d Signed-off-by: Neale Ranns <nranns@cisco.com>
2017-05-23ARP/ND entries for the same address on different interfaces (VPP-848)Neale Ranns1-98/+19
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>
2017-04-26IP Flow Hash Config fixesNeale Ranns1-3/+15
- the flow hash config is (and was) cached on the load-balance object so the fib_table_t struct is not used a switch time. Therefore changes to the table's flow hash config need to be propagated to all load-balances and hance all FIB entries in the table. - enable API for setting the IPv6 table flow hash config - use only the hash config in the fib_table_t object and not on the ipX_fib_t - add tests. Change-Id: Ib804c11162c6d4972c764957562c372f663e05d4 Signed-off-by: Neale Ranns <nranns@cisco.com>
2017-04-07MPLS McastNeale Ranns1-287/+596
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>
2017-04-03Adjacency layout change and move to vnet/adjNeale Ranns1-1/+1
Change-Id: I03195a86c69f84a301051c6b3ab64456bbf28645 Signed-off-by: Neale Ranns <nranns@cisco.com>
2017-02-22VPP-635: CLI Memory leak with invalid parameterBilly McFall1-5/+14
In the CLI parsing, below is a common pattern: /* Get a line of input. */ if (!unformat_user (input, unformat_line_input, line_input)) return 0; while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "x")) x = 1; : else return clib_error_return (0, "unknown input `%U'", format_unformat_error, line_input); } unformat_free (line_input); The 'else' returns if an unknown string is encountered. There a memory leak because the 'unformat_free(line_input)' is not called. There is a large number of instances of this pattern. Replaced the previous pattern with: /* Get a line of input. */ if (!unformat_user (input, unformat_line_input, line_input)) return 0; while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "x")) x = 1; : else { error = clib_error_return (0, "unknown input `%U'", format_unformat_error, line_input); goto done: } } /* ...Remaining code... */ done: unformat_free (line_input); return error; } In multiple files, 'unformat_free (line_input);' was never called, so there was a memory leak whether an invalid string was entered or not. Also, there were multiple instance where: error = clib_error_return (0, "unknown input `%U'", format_unformat_error, line_input); used 'input' as the last parameter instead of 'line_input'. The result is that output did not contain the substring in error, instead just an empty string. Fixed all of those as well. There are a lot of file, and very mind numbing work, so tried to keep it to a pattern to avoid mistakes. Change-Id: I8902f0c32a47dd7fb3bb3471a89818571702f1d2 Signed-off-by: Billy McFall <bmcfall@redhat.com> Signed-off-by: Dave Barach <dave@barachs.net>
2016-12-28Reorganize source tree to use single autotools instanceDamjan Marion1-0/+787
Change-Id: I7b51f88292e057c6443b12224486f2d0c9f8ae23 Signed-off-by: Damjan Marion <damarion@cisco.com>