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2018-02-08classifier-based ACL: testcases for L2 ACLs + fix the enabling of outbound ↵Andrew Yourtchenko2-3/+639
L2 ACL There was no test coverage for the L2 ACL (other than indirect by means of ACL plugin tests), so the enabling of the outbound ACL got fumbled throughout the revisions of the refactoring. Fix both issues - the error and the lack of test coverage for L2 ACL. Change-Id: Ib7f42780ef84b4a4f70bd88d7319aeeda866cf06 Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>
2018-02-08Geneve - reduce unit-test run timeGabriel Ganne1-2/+2
Reduce the number of tunnels created/destroyed to reduce the load of the tests without changing the code covered. These are functional tests, not performance tests. This reduced the test time down to 10s from 4 minutes on my machine. Change-Id: Ifcaddc0b0628a21392c5cb247196f56bc28a53a2 Signed-off-by: Gabriel Ganne <gabriel.ganne@enea.com>
2018-02-08virtio: reset vnet header on txDamjan Marion1-0/+3
Change-Id: Ib04a8787038fb536470a04d99fdc165102edfb5a Signed-off-by: Damjan Marion <damarion@cisco.com>
2018-02-08vhostuser: Fix vhostuser file descriptor leakHaiyang Tan1-4/+13
In the case that vhostuser server accepted more than one client connection, 'vui->clib_file_index' will be overwritten directly without release the possible existed resource, so file descriptor leak occurs Change-Id: I89d08133dae31a12a815df2631334dbf0aefeb1e Signed-off-by: Haiyang Tan <haiyang.tan.dev@gmail.com>
2018-02-08add CLIB_HAVE_VEC128 with NEON intrinsics (VPP-1127)Gabriel Ganne3-9/+65
Enable CLIB_HAVE_VEC128 if both aarch64 and __ARM_NEON ie. armv8 only, not armv7 Add more neon compare intrinsics wrappers. I only add simple intrinsics wrappers. More complex ones can be added later as they are needed, with performance tests on the corresponding feature to back them up. Remove wrongly added 128bits definitions defined on both armv7 and armv8 without concern for NEON instructions presence. Notable correspondinf code activations: * MHEAP_FLAG_SMALL_OBJECT_CACHE in mheap.c * ip4 fib mtrie leaves access * enable ixge plugin compilation for aarch64 (conf still disables it by default) Change-Id: I99953823627bdff6f222d232c78aa7b655aaf77a Signed-off-by: Gabriel Ganne <gabriel.ganne@enea.com>
2018-02-08acl-plugin: add whitelisted ethertype mode (VPP-1163)Andrew Yourtchenko7-12/+411
Currently, ACL plugin largely does not care about the ethertypes other than 0x0800 (IPv4) and 0x86dd (IPv6), the only exception being 0x0806 (ARP), which is dealt with by the MACIP ACLs. The other ethertypes in L2 mode are just let through. This adds a new API message acl_interface_set_etype_whitelist, which allows to flip the mode of a given interface into "ethertype whitelist mode": the caller of this message must supply the two lists (inbound and outbound) of the ethertypes that are to be permitted, the rest of the ethertypes are dropped. The whitelisting for a given interface and direction takes effect only when a policy ACL is also applied. This operates on the same classifier node as the one used for dispatching the policy ACL, thus, if one wishes for most of the reasonable IPv4 deployments to continue to operate within the whitelist mode, they must permit ARP ethertype (0x0806) The empty list for a given direction resets the processing to allow the unknown ethertypes. So, if one wants to just permit the IPv4 and IPv6 and nothing else, one can add their ethertypes to the whitelist. Add the "show acl-plugin interface" corresponding outputs about the whitelists, vat command, and unittests. Change-Id: I4659978c801f36d554b6615e56e424b77876662c Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>
2018-02-08SCTP: shutdown phaseMarco Varlese3-67/+92
This patch addresses some bugs discovered with the shutdown phase which were causing the actual chunks not to leave the output_node. While fixing the issue some minor refactoring was also performed to align the internal functions to a 'common' design. Change-Id: Ieac4f6e78cffad2e6982536f8e9f190a66f328f7 Signed-off-by: Marco Varlese <marco.varlese@suse.com>
2018-02-08VCL: remove vrf from vppcom api.Dave Wallace5-36/+14
Change-Id: I6d91c8051de786fb8781cd0750ea9c350036b306 Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
2018-02-08Minimize bihash memory consumptionDave Barach3-118/+207
Reference-count the number of entries in each bucket. If the reference count goes to zero, free the backing store. Add long-term churn-testing to test_bihash_template.c, thanks to Andrew Yourtchenko for the initial implementation. Change-Id: I4fbd9229cacfaba8027a85cbf87b74afdead6e39 Signed-off-by: Dave Barach <dave@barachs.net>
2018-02-08acl-plugin: VPP-1088: add support for egress filter in macip ACLsAndrew Yourtchenko2-16/+244
This is the second patch, using the new functionality from the change 10002 in order to implement the egress filtering on the MACIP ACLs. This adds an action "2" which means "add also egress filtering rules for this MACIP ACL. The reason for having the two choices is that the egress filtering really takes care of a fairly corner case scenario, and I am not convinced that always adding the performance cost of the egress lookup check is worth it. Also, of course, not breaking the existing implementations is a nice plus, too. Change-Id: I3d7883ed45b1cdf98d7303771bcc75951dff38f0 Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>
2018-02-08acl-plugin: an elog-based tracing implementation for troubleshooting the ↵Andrew Yourtchenko5-32/+156
conn cleaner threads interactions This replaces some of the early-stage commented-out printf()s with an elog-based debug collector. It is aimed to be "better than nothing" initial implementation to be available in the field. It will be refined/updated based on use. This initial code is focused on the main/worker threads interactions, hence uses just the worker tracks. This code adds a developer debug CLI "set acl-plugin session table event-trace 1", which allows to gather the events pertaining to connection cleaning. The CLI is deliberately not part of the online help, as the express declaration that the semantics/trace levels, etc. are subject to change without notice. Change-Id: I3536309f737b73e50639cd5780822dcde667fc2c Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>
2018-02-08ip: move lookup inline functions to header fileVijayabhaskar Katamreddy4-648/+759
Needed to allow other code paths to reuse them. Change-Id: I9e469527c6b2e9a6fec7af5f17d8b400a2e85826 Signed-off-by: Vijayabhaskar Katamreddy <vkatamre@cisco.com>
2018-02-07Fix bug with glibc epoll fdKeith Burns (alagalah)1-1/+3
Change-Id: I0b8ebe2c47fdd1e23a91723a7b454a0c1c8b996e Signed-off-by: Keith Burns (alagalah) <alagalah@gmail.com>
2018-02-07Update gitignore for cmakeKeith Burns (alagalah)1-0/+2
Change-Id: Icd50432a60e194c0526a7d28b93e99ceb6f2013b Signed-off-by: Keith Burns (alagalah) <alagalah@gmail.com>
2018-02-07VXLAN: Allow user to specify a custom vxlan tunnel instance id.Jon Loeliger8-24/+145
If one is not selected by the user, the next available id will be allocated, thus maintaining backward compatibility. Change-Id: I4691ed0638b8072f9cfa9f20b9fe4f981e708800 Signed-off-by: Jon Loeliger <jdl@netgate.com>
2018-02-07acl-plugin: multicore: send the interrupts to thread0 tooAndrew Yourtchenko1-1/+1
The thread0 in some configurations can handle the traffic. Some of the previous fixes accomodated for that, but the interrupt sending for connection clearing was not adapted to that, resulting in a deadlock during clearing of all connections... Change-Id: I32b4c7bac09c91c22b796baab843bdaf41f7045c Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>
2018-02-07vhost: Added ARMV8 NEON version of function map_guest_mem()Nitin Saxena1-0/+69
(VPP-1085) The NEON implementation searches particular address in VHOST_MEMORY_MAX_NREGIONS regions. Searching two regions at a time. Change-Id: Icc3c6746bc98e3a1fa71424e51b64f62efbfdc74 Signed-off-by: Nitin Saxena <nitin.saxena@cavium.com>
2018-02-07af_packet: Fix lock positionPierre Pfister1-2/+1
In multi-worker cases, af-packet tx was subject to a pretty serious race condition as the device lock was obtained after some queue values were read from queue. Result could go from packet loss to queue inconsistency, leading to tx being stuck for 'some time'. The fix is really simple. Finding the problem was not... Change-Id: Ib18967b7459a8609428a56de934c577cea87b165 Signed-off-by: Pierre Pfister <ppfister@cisco.com>
2018-02-07classifier-based ACL: refactor + add output ACLAndrew Yourtchenko21-502/+719
For implementation of MACIP ACLs enhancement (VPP-1088), an outbound classifier-based ACL would be needed. There was an existing incomplete code for outbound ACLs, it looked almost exact copy of input ACLs, minus the various enhancements, trying to sync that code seemed error-prone and cumbersome to maintain in the longer run. This change refactors the input+output ACLs processing into a unified routine (thus any changes will have effect on both), and also adds the API to set the output interface ACL, with the same format and semantics as the existing input one (except working on output ACL of course). WARNING: IP outbound ACL in L3 mode clobbers the ip.* fields in the vnet_buffer_opaque_t, since the code is using l2_classify.* The net_buffer (p0)->ip.save_rewrite_length is rescued into l2_classify.pad.l2_len, and used to rewind the header in case of drop, so that ipX_drop prints something sensible. Change-Id: I62f814f1e3650e504474a3a5359edb8a0a8836ed Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>
2018-02-07Refactor vlib_buffer flagsDamjan Marion17-169/+152
Change-Id: I853386aebfe488ebb10328435b81b6e3403c5dd0 Signed-off-by: Damjan Marion <damarion@cisco.com>
2018-02-07SCTP: address coverity-scan warningsMarco Varlese2-19/+10
Change-Id: Iba7c398a398e24b96eb536bbcefa841bd153a205 Signed-off-by: Marco Varlese <marco.varlese@suse.com>
2018-02-07libmemif: cleanup queue info while memif connectingChun Li2-1/+5
Change-Id: I4265fd0606f87f80f43f7f59ced1c3a73de82776 Signed-off-by: Chun Li <chunl2@cisco.com>
2018-02-06Fix clang -Wvarargs compile errorsDamjan Marion3-5/+5
error: passing an object that undergoes default argument promotion to 'va_start' has undefined behavior [-Werror,-Wvarargs] Change-Id: Id342beea916ec73e29e399087532caecfa19055f Signed-off-by: Damjan Marion <damarion@cisco.com>
2018-02-06Fix clang implicit conversion errorsDamjan Marion2-14/+16
Change-Id: I1771a1cca2a4bc394677b2a18f14c47f0633fa77 Signed-off-by: Damjan Marion <damarion@cisco.com>
2018-02-06vlib: epoll on worker threadsDamjan Marion12-42/+204
This patch teaches worer threads to sleep and to be waken up by kernel if there is activity on file desctiptors assigned to that thread. It also adds counters to epoll file descriptors and new debug cli 'show unix file'. Change-Id: Iaf67869f4aa88ff5b0a08982e1c08474013107c4 Signed-off-by: Damjan Marion <damarion@cisco.com>
2018-02-06SCTP: handling of heartbeating and max-retransmitsMarco Varlese4-57/+164
This patch address the need to send/receive heartbeats between peers. At the same time, the number of unacked heartbeats is tracked and when the peer requests to send DATA to the remote-peer the value of unacked heartbeats needs to be checked against the maximum value allowed for retransmissions. If the unacked heartbeats value is higher then the remote-peer is considered unreachable and the connetion needs to be shutdown. Change-Id: I2b1a21c26775e734dbe82486f40982ed5702dc63 Signed-off-by: Marco Varlese <marco.varlese@suse.com>
2018-02-06make test: don't test/set parameters in dockerKlement Sekera1-0/+11
Do not set UDS related system parameters if DOCKER_TEST is set to "True" as docker environment doesn't contain the necessary /proc/... entries. Change-Id: Id85e4512c7bba6b3feb6e6fd1fbe1e05aa10a341 Signed-off-by: Klement Sekera <ksekera@cisco.com>
2018-02-06BIER: fix support for longer bit-string lengthsNeale Ranns17-259/+391
Change-Id: I2421197b76be58099e5f8ed5554410adff202109 Signed-off-by: Neale Ranns <neale.ranns@cisco.com>
2018-02-06VCL: Fix type in trace output.Dave Wallace1-2/+2
Change-Id: I7834e676c23a697a12a6e06111c68450ba787fc9 Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
2018-02-06SCTP: missing spinlock init when multiple threadsMarco Varlese1-2/+5
When the number of threads results being more than 1, the spinlock structure requires to be initialized otherwise subsequent calls to the "lock" API (clib_spinlock_lock_if_init) would result in a void operation. Change-Id: Ia268c4687252e41962bb3f1217f0a849d8c40385 Signed-off-by: Marco Varlese <marco.varlese@suse.com>
2018-02-06Reflexive ACL support on ICMPSteve Shin1-25/+113
Normally session keys are generated by mirroring the packets sent. ICMP message type should be used and inverted for the stateful ACL. Supported ICMP messages with this patch: - ICMPv4: Echo/Timestamp/Information/Address Mask requests - ICMPv6: Echo request/Node Information Queury The invmap & valid_new tables can be modified to make any other ICMP messages to be reflexive ACL. Change-Id: Ia47b08b79fe0a5b1f7a995af78de3763d275dbd9 Signed-off-by: Steve Shin <jonshin@cisco.com>
2018-02-06Provide page-aligned length to ftruncate.Igor Mikhailov (imichail)1-1/+1
For some files such as hugepages files, ftruncate() fails with the error "Invalid argument" if the 'length' parameter is not on a page boundary. Change-Id: I42a9cde98707da15e3c5d1653046e2277fc7a424 Signed-off-by: Igor Mikhailov (imichail) <imichail@cisco.com>
2018-02-05session: segment manager refactorFlorin Coras21-620/+878
- use valloc as a 'central' segment baseva manager - use per segment manager segment pools and use rwlocks to guard them - add session test that exercises segment creation - embed segment manager properties into application since they're shared - fix rw locks Change-Id: I761164c147275d9e8a926f1eda395e090d231f9a Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-02-05NAT64: Run nat64-expire-worker-walk only when NAT64 is configured (VPP-1162)Matus Fabian2-4/+48
Change-Id: Ic5e8d74bf5ac84cce5661de44778c89541c67636 Signed-off-by: Matus Fabian <matfabia@cisco.com>
2018-02-05Fix ip4/6_reass_main.ip4/6_reass_expire_node_idx used before setDave Barach3-8/+17
Add an ASSERT to vlib_process_signal_event_helper to catch future instances of passing node_index = 0 to vlib_process_signal_event(). Change-Id: Iec896fc7c3917feb2fd3198cea42851ba88e64e5 Signed-off-by: Dave Barach <dave@barachs.net>
2018-02-05SCTP: calculate RTO / RTT and RTTVAR as per RFCMarco Varlese4-47/+122
This patch addresses the need to calculate the RTO / RTT and RTTVAR according to the rules depicted by the RFC4960 at section 6.3.1 Change-Id: I1d346f3c67610070b3f602f32c7738d58b99ffed Signed-off-by: Marco Varlese <marco.varlese@suse.com>
2018-02-05vhost_user: code cleanupHaiyang Tan1-4/+4
1. Replace the magic number '-1' with MAP_FAILED 2. On x86 platform, QEMU uses vhostuser required the memory back-end is file based, the file could be tmpfs(4K page size) or hugetlbfs(2M or 1G page size) Change-Id: If1818cb6833728d641f68e4d4a3bc645e70f2ee6 Signed-off-by: Haiyang Tan <haiyang.tan.dev@gmail.com>
2018-02-03IP reassembly: workaround coverity warningsKlement Sekera2-0/+2
Change-Id: Ide577f036d9d8dcedd99cdb4666a0eaf8a19b92e Signed-off-by: Klement Sekera <ksekera@cisco.com>
2018-02-02Clean up for vcl.am, making vppcom.h C++ awareKeith Burns (alagalah)2-10/+22
Change-Id: I2548ebd37e16bed50b5c8046b728415a341413e3 Signed-off-by: Keith Burns (alagalah) <alagalah@gmail.com>
2018-02-02lisp-cp: fix handling of ndp without source link addr VPP-1159Florin Coras1-4/+21
Change-Id: Idddb60bbc7fcc701d39212f6422a6b2f6dc75221 Signed-off-by: Florin Coras <fcoras@cisco.com> (cherry picked from commit cba3675fabe618194bf80a9de0e9c53b89a541ca)
2018-02-02make test: use random seedKlement Sekera1-1/+1
This fixes a constant setting of random seed forgotten from testing. Change-Id: Ie3c4db8bb2b4b73ba33de1ffc02cb563391fd31c Signed-off-by: Klement Sekera <ksekera@cisco.com>
2018-02-02VOM: route-domain find() fixNeale Ranns3-24/+5
Change-Id: I5b7117f3568e3ba979baa15521b2cfc180abb682 Signed-off-by: Neale Ranns <neale.ranns@cisco.com>
2018-02-02vlmemory/svm: fix client detach from svm regionFlorin Coras6-13/+59
Clients cannot know at svm region detach time if the shm backing files have been recreated (e.g., if vpp restarts) and therefore should not try to unlink them. Otherwise, terminating clients attached to previous instantiations of a re-allocated region end up making the new instance un-mappable by removing its backing file. Change-Id: Idcd0cab776e63fd75b821bc9f0fac58217b9ccbe Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-02-02Add link to 18.01 test framework documentation.Dave Wallace1-0/+1
Change-Id: I030602391ea3b612ac9a6780399cc30b427cc3a5 Signed-off-by: Dave Wallace <dwallacelf@gmail.com> (cherry picked from commit 92b15bcea4c6c5e62415a8207463eb9a897630c6)
2018-02-02Update 18.01 Release NotesDave Wallace1-0/+1
Change-Id: Id2f13c59c6f4e7bc79f6e77d6dab752bf6dfb06a Signed-off-by: Dave Wallace <dwallacelf@gmail.com> (cherry picked from commit a1a382bb2bc2fbf6bf947a24a263fefbe32497e7)
2018-02-02vlib_buffer_clone: allow client to request the maximum number of clones; 256Neale Ranns1-12/+50
Change-Id: Id96dc5d86719546268b50a9999a06387d2d9075c Signed-off-by: Neale Ranns <neale.ranns@cisco.com>
2018-02-02Add L3DSR feature in LB pluginHongjun Ni9-96/+282
L3DSR is used to overcome Layer 2 limitations of Direct Server Return Load Balancing. It maps VIP to DSCP bits, and reuse TOS bits to transfer it to server, and then server will get VIP from DSCP-to-VIP mapping. Please refer to https://www.nanog.org/meetings/nanog51/presentations/Monday/NANOG51.Talk45.nanog51-Schaumann.pdf Change-Id: I403ffeadfb04ed0265086eb2dc41f2e17f8f34cb Signed-off-by: Hongjun Ni <hongjun.ni@intel.com>
2018-02-01Out-of-order data chunks handling and moreMarco Varlese4-69/+235
This patch addresses the need to handle out-of-order data chunks received by a peer. To do that effectively, we had to add the handling of data chunks flags (E/B/U bit) to understand whether the stream is fragmenting user-message data and in that case if a fragment is the FIRST/MIDDLE/LAST one of a transmission. The same patch also addresses the security requirement to have a HMAC calculated and incorporated in the INIT_ACK and COOKIE_ECHO chunks. The algorithm used is the HMAC-SHA1. Change-Id: Ib6a9a80492e2aafe5c8480d6e02da895efe9f90b Signed-off-by: Marco Varlese <marco.varlese@suse.com>
2018-02-01IPv4/6 reassemblyKlement Sekera35-66/+4322
Change-Id: Ic5dcadd13c88b8a5e7896dab82404509c081614a Signed-off-by: Klement Sekera <ksekera@cisco.com>
2018-02-01vxlan: Lookup FIB in either IPv4 or IPv6 families.Jon Loeliger1-4/+5
Prior to this commit, the VXLAN "create" API assumed the vrf_id belonged to only the IPv4 FIB tables space. With this commit, the FIB table is found in either the IPv4 or IPv6 table as determined by the is_ipv6 flag. This follows the same pattern that was already being done in the CLI code for the VXLAN "create" command. Change-Id: I35d5e37db24efa858e4696dc2c004fa64bb4a4a8 Signed-off-by: Jon Loeliger <jdl@netgate.com>