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2017-07-20SNAT: in2out translation as an output feature (VPP-903)Matus Fabian5-38/+495
in2out translation as an output feature on the outside interface (postrouting) Change-Id: I32c0311be09bdf102b9a0885b8b89c7588cb558f Signed-off-by: Matus Fabian <matfabia@cisco.com>
2017-07-18TCP/UDP checksum offload APIDave Barach3-0/+52
Change-Id: I2cb6ce4e29813f6602b14e6e61713fb381fbcef8 Signed-off-by: Dave Barach <dave@barachs.net>
2017-07-14vnet_buffer_t flags cleanupDamjan Marion3-18/+19
Change-Id: I123eccea98abafeb31f25d2a162501e2eded60d4 Signed-off-by: Damjan Marion <damarion@cisco.com>
2017-07-14Introduce l{2,3,4}_hdr_offset fields in the buffer metadataDamjan Marion1-1/+7
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>
2017-07-14flowprobe: Fixed assert error with less than 1 second passive timerAndrew Li1-2/+2
When passive timer has less than 1 second left, it'll be forcifully changed to 0 when converting from f64 to u64. As a result the assertion will fail at the beginning of the passive timer start fuction. This commit fixed this bug by adding a check of the delta. Change-Id: I899b6e0ab4967dcecc821daf7e812dbbc90969ce Signed-off-by: Andrew Li <zhaoxili@cisco.com>
2017-07-14dpdk: update buildSergio Gonzalez Monroy1-1/+6
Current optional DPDK PMDs are: - AESNI MB PMD (SW crypto) - AESNI GCM PMD (SW crypto) - MLX4 PMD - MLX5 PMD This change will always build DPDK SW crypto PMDs and required SW crypto libraries, while MLX PMDs are still optional and the user has to build required libraries. Now the configure script detects if any of the optional DPDK PMDs were built and link against their required libraries/dependencies. Change-Id: I1560bebd71035d6486483f22da90042ec2ce40a1 Signed-off-by: Sergio Gonzalez Monroy <sergio.gonzalez.monroy@intel.com>
2017-07-13dpdk: fix dpdk_buffer_pool_create nameChris Luke3-3/+6
- vnet_buffer_pool_create should probably be named dpdk_buffer_pool_create since that is what it does. - Its prototype should also be in a DPDK plugin header, not in vlib/buffer_funcs.h, since the implementation is in the plugin and nobody else should be calling it. Change-Id: I7ba259afa4b888bc94f3ad257305e286b41e7370 Signed-off-by: Chris Luke <chrisy@flirble.org>
2017-07-12Deprecate support for flattened output nodesDamjan Marion1-1/+0
Change-Id: Id117e219146d9994340fb38c00233ea67db8929b Signed-off-by: Damjan Marion <damarion@cisco.com>
2017-07-12dpdk: prefetch 2nd cacheline of rte_mbuf during txDamjan Marion1-1/+1
Change-Id: I0db02dd0147dbd47d4296fdb84280d0e7d321f3c Signed-off-by: Damjan Marion <damarion@cisco.com>
2017-07-11memif: avoid double buffer freeDamjan Marion1-1/+0
Change-Id: I902f54618c4e1f649af11497c1cb10922e43755a Signed-off-by: Damjan Marion <damarion@cisco.com>
2017-07-11SNAT: fixed bug in fallback to 3-tuple key for non TCP/UDP sessionsMatus Fabian1-0/+4
Change-Id: I1c4d5f92ec841b1cfe1a33eab4bb94e4001d0411 Signed-off-by: Matus Fabian <matfabia@cisco.com>
2017-07-10vlib: store buffer memory information in the buffer_mainDamjan Marion1-65/+4
Currently, buffer index is calculated as a offset to the physmem region shifted by log2_cacheline size. When DPDK is used we "hack" physmem data with information taken from dpdk mempool. This makes physmem code not usable with DPDK. This change makes buffer memory start and size independent of physmem basically allowing physmem to be used when DPDK plugin is loaded. Change-Id: Ieb399d398f147583b9baab467152a352d58c9c31 Signed-off-by: Damjan Marion <damarion@cisco.com>
2017-07-10memif: mask interrupts on startup if we are in the polling modeDamjan Marion1-0/+8
Change-Id: Ief02eb1109a1bc463665d9747e9fa4e0c0e3d7e0 Signed-off-by: Damjan Marion <damarion@cisco.com>
2017-07-08lldp packet transmission on a bonded interfaceSteve Shin1-3/+3
LLDP packets are dropped at interface output node if each slave's link is configured as the LLDP interface. The admin state is configured and managed by the bonded interface, so slave link's state is down by default. The checking for the admin state UP should be ignored for the slave link. Change-Id: I06ca250f42fcb8cc50e0ea3a3817a2c5b56865df Signed-off-by: Steve Shin <jonshin@cisco.com>
2017-07-07SNAT: Fallback to 3-tuple key for non TCP/UDP sessions (VPP-884)Matus Fabian5-79/+578
Change-Id: I4868ff6e81c579b29d3ea066976ae145f8b83e9e Signed-off-by: Matus Fabian <matfabia@cisco.com>
2017-07-06dpdk: add FiftyGigabitEtherenet interface supportDamjan Marion3-0/+7
Change-Id: Ied8b26179cdf4add34440a9c396cb821716cfb8e Signed-off-by: Damjan Marion <damarion@cisco.com>
2017-07-06unix: mkdir VPP_RUN_DIR before opening a socket in itChris Luke1-9/+5
Change https://gerrit.fd.io/r/#/c/7230/ added a Unix domain CLI socket in the default startup.conf; however unless you had previously run VPP with the DPDK plugin enabled the directory that it is created in. /run/vpp, would not exist and startup would fail. This directory is typically hosted in a tmpfs ramdisk and is thus ephemeral. This patch adds a function that attempts to mkdir VPP_RUN_DIR and uses it in both the DPDK plugin and the CLI code if the CLI socket is to be created in that directory. Change-Id: Ibbf925819099dce2b5eb0fa238b9edca1036d6fd Signed-off-by: Chris Luke <chrisy@flirble.org>
2017-07-06Send GARP/NA on bonded intf slave up/down if in active-backup modeJohn Lo3-8/+85
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>
2017-07-04acl-plugin: VPP-897: applying of large number of ACEs is slowAndrew Yourtchenko2-20/+45
When applying ACEs, in the new hash-based scheme, for each ACE the lookup in the hash table is done, and either that ACE is added to the end of the existing list if there is a match, or a new list is created if there is no match. Usually ACEs do not overlap, so this operation is fast, however, the fragment-permit entries in case of a large number of ACLs create a huge list which needs to be traversed for every other ACE being added, slowing down the process dramatically. The solution is to add an explicit flag to denote the first element of the chain, and use the "prev" index of that element to point to the tail element. The "next" field of the last element is still ~0 and if we touch that one, we do the linear search to find the first one, but that is a relatively infrequent operation. Change-Id: I352a3becd7854cf39aae65f0950afad7d18a70aa Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com> (cherry picked from commit 204cf74aed51ca07933df7c606754abb4b26fd82)
2017-07-04acl-plugin: fix acl plugin test failing sporadically (VPP-898)Andrew Yourtchenko1-0/+5
The "acl_plugin" tests has one of the tests sporadically fail with the following traceback: r.reply.decode().rstrip('\x00') UnicodeDecodeError: 'ascii' codec can't decode byte 0xd8 in position 20666: ordinal not in range(128) This occurs in the newly added "show acl-plugin table" debug CLI. This CLI has only the numeric outputs, so the conclusion is that it is the incorrect termination (trailing zero) that might be most probably causing it. The other acl-plugins show commands also lack the zero-termination termination, so fix all of them. The particularity of this command vs. the other acl-plugin debug CLIs is that the accumulator is freed and allocated multiple times, this might explain the issue is not seen with them. Change-Id: I87b5c0d6152fbebcae9c7d0ce97155c1ae6666db Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com> (cherry picked from commit be055bd719559fc79d8a4c06479497c4c0bfae93)
2017-06-30memif: API message handler registration bug-fixJakub Grajciar1-11/+0
- removed memif details message from memif API Change-Id: I21185e7678f375cc10639cdbc3ad2fd84bc95459 Signed-off-by: Jakub Grajciar <grajciar.jakub@gmail.com>
2017-06-27FLOWPROBE: Add flowstartns, flowendns and tcpcontrolbitsOle Troan3-14/+88
- fixed problem with tcp_flag - changed flowtimestamp into NTP format Change-Id: I4ef05d6c69c5c078a0c80d59c5ccb0c85b924ba6 Signed-off-by: Ole Troan <ot@cisco.com>
2017-06-25memif: If rx/tx_queues are unset, use default valuesMilan Lenco1-2/+12
The standard behaviour for binary API is that zeroed arguments are treated as if the default values were set. This way the configurator does not need to know what default values are. This, however, wasn't the case for rx_queues and tx_queues in memif_create binary API message. Change-Id: Ib588b472823f6bbb5ef12a798d68b0dda6dd2139 Signed-off-by: Milan Lenco <milan.lenco@pantheon.tech>
2017-06-22Export and Install GTP-U API fileHongjun Ni1-1/+1
Change-Id: I064d22277a0334c63f3d5072b1584b93e327b331 Signed-off-by: Hongjun Ni <hongjun.ni@intel.com>
2017-06-22acl-plugin: clean up the code enabling/disabling acl-plugin processing on ↵Andrew Yourtchenko2-4/+18
interface Multiple subsequent calls to vnet_feature_enable_disable() to enable the feature cause the feature to be inserted into the processing graph multiple times in a row. This might be argued to be a bug in that function, but enabling already enabled feature is suboptimal anyway, so avoid that. The existing tests already catch this issue whenever the ASSERT() part of this patch was added. Change-Id: Ia2c06f7dc87bbe05795c2c7b7d19ea06270ce150 Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>
2017-06-22NAT64: documentationMatus Fabian2-0/+211
added CLI command documentation added NAT64 user documentation page Change-Id: I3df400013800fe16351e02db7762ee3f92b195ff Signed-off-by: Matus Fabian <matfabia@cisco.com>
2017-06-21Introduce default rx mode for device driversDamjan Marion1-1/+1
If interface is down and queues are not configured then we are not able to change rx-mode. This change introducess default mode which is stored per interface and applied if driver wants. Change-Id: I70149c21c1530eafc148d5e4aa03fbee53dec62f Signed-off-by: Damjan Marion <damarion@cisco.com>
2017-06-21acl-plugin: the second and subsequent ACEs incorrect endianness when ↵Andrew Yourtchenko1-4/+22
custom-dump and in VAT (VPP-885) Add the missing function to convert the entire array of rules in the respective _endian functions, rather than just the first rule. Change-Id: Ic057f27ff7ec20150595efca1a48b74e5850f52b Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>
2017-06-21acl-plugin: CLI to clear all sessionsAndrew Yourtchenko2-8/+38
It is useful to have the CLI to clear the existing sessions. There was a work-in-progress CLI but it did not work properly. Fix it and split into a separate "clear acl-plugin sessions", and add a unit test into the extended connection-oriented tests. Change-Id: I55889165ebcee139841fdac88747390903a05394 Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>
2017-06-21acl-plugin: use ethernet_buffer_header_size() to determine the size of the ↵Andrew Yourtchenko1-1/+1
ethernet header When extracting the 5-tuple, use the ethernet_buffer_header_size() so we can correctly handle the case of subinterfaces, etc. Change-Id: Ied73fde98d6b313e9eeab2aff4f22daa50a6cbbf Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>
2017-06-21acl-plugin: fix coverity issue 170476Andrew Yourtchenko1-2/+1
Remove the unnecessary variable assignment which coverity detected. Change-Id: I66ac20a8495400ac59192ddb72f16c95f6b4d03c Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>
2017-06-21acl-plugin: fix coverity issue 166801Andrew Yourtchenko1-1/+1
A typo resulted in a value being overwritten and flagged as unused, fix the typo. Change-Id: I512ba94321afb80d12c71ebbb0eec42d9fa6f299 Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>
2017-06-21NAT64: custom prefixMatus Fabian6-65/+494
Change-Id: If397b49861468eed29b964fa64b186f80eb0eceb Signed-off-by: Matus Fabian <matfabia@cisco.com>
2017-06-21memif: minor changes in memif.hDamjan Marion2-16/+20
Change-Id: Iff550fd65f6e559b9fdfbbd53ef92d287c18166c Signed-off-by: Damjan Marion <damarion@cisco.com>
2017-06-21acl-plugin: fix coverity error 171135Andrew Yourtchenko1-0/+2
The code path which sets the sw_if_index aimed to restrict the output did not set the flag to trigger that output. Change-Id: I0a1a3977fdddbce9a276960df43fed745d099ca0 Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>
2017-06-21acl-plugin: vat: acl_interface_list_dump confusing/incorrect output in case ↵Andrew Yourtchenko1-2/+2
n_input == 0 The logic to print the line " output " is wrong for the case of n_input == 0, and the applied ACLs are printed as if they were applied on input. One may still figure out the truth by looking at the n_input value above, but it is confusing. Change-Id: I7b4a4d548e569994678dd1e139eb829456548b88 Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>
2017-06-20SNAT: unknow protocol hairpinning fixMatus Fabian1-1/+1
Change-Id: I15813167e7c8529f229143de4a8f64f0fb530951 Signed-off-by: Matus Fabian <matfabia@cisco.com>
2017-06-19NAT64: change not supported multi threading behaviourMatus Fabian5-6/+104
Disable CLI/API commands instead of error message on startup. Change-Id: I313ed6e2ea009f573afb5e08b0e85ed1f9091dc3 Signed-off-by: Matus Fabian <matfabia@cisco.com>
2017-06-19memif: add ip modeDamjan Marion4-35/+132
In IP mode memif interface is L3 point-to-point interfaces and we don't pass l2 header. There is no l2 header rewrite operation and received packets are sent straight to ip4-input / ip6-input nodes. Change-Id: I4177f3fce3004da7ecf14d235006ae053fcf3f09 Signed-off-by: Damjan Marion <damarion@cisco.com>
2017-06-19SNAT: NAT packet with unknown L4 protocol if match 1:1 NATMatus Fabian2-6/+104
Change-Id: Ic81c6098d615fdb6a874e532921efd833fed872c Signed-off-by: Matus Fabian <matfabia@cisco.com>
2017-06-19acl-plugin: bihash-based ACL lookupAndrew Yourtchenko10-10/+1572
Add a bihash-based ACL lookup mechanism and make it a new default. This changes the time required to lookup a 5-tuple match from O(total_N_entries) to O(total_N_mask_types), where "mask type" is an overall mask on the 5-tuple required to represent an ACE. For testing/comparison there is a temporary debug CLI "set acl-plugin use-hash-acl-matching {0|1}", which, when set to 0, makes the plugin use the "old" linear lookup, and when set to 1, makes it use the hash-based lookup. Based on the discussions on vpp-dev mailing list, prevent assigning the ACL index to an interface, when the ACL with that index is not defined, also prevent deleting an ACL if that ACL is applied. Also, for the easier debugging of the state, there are new debug CLI commands to see the ACL plugin state at several layers: "show acl-plugin acl [index N]" - show a high-level ACL representation, used for the linear lookup and as a base for building the hashtable-based lookup. Also shows if a given ACL is applied somewhere. "show acl-plugin interface [sw_if_index N]" - show which interfaces have which ACL(s) applied. "show acl-plugin tables" - a lower-level debug command used to see the state of all of the related data structures at once. There are specifiers possible, which make for a more focused and maybe augmented output: "show acl-plugin tables acl [index N]" show the "bitmask-ready" representations of the ACLs, we well as the mask types and their associated indices. "show acl-plutin tables mask" show the derived mask types and their indices only. "show acl-plugin tables applied [sw_if_index N]" show the table of all of the ACEs applied for a given sw_if_index or all interfaces. "show acl-plugin tables hash [verbose N]" show the 48x8 bihash used for the ACL lookup. Change-Id: I89fff051424cb44bcb189e3cee04c1b8f76efc28 Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>
2017-06-19NAT64: Hairpinning (VPP-699)Matus Fabian5-24/+428
Change-Id: I83a6c277fa211ac2c2ca2d603650c992886af0a7 Signed-off-by: Matus Fabian <matfabia@cisco.com>
2017-06-16memif: show memif CLI enhancementSteven1-39/+115
Add optional keywords to show memif to allow display a particular interface and option to display the descriptor tables. The new syntax for the show memif command is now show memif [<interface>] [descriptors] Change-Id: I20696bbea1142bdc152b6e351c6ece24b1cf5500 Signed-off-by: Steven <sluong@cisco.com>
2017-06-16memif: jumbo frames supportSteven2-148/+272
Current memif interface supports frame size up to 2048. This patch is to enhance memif to support jumbo frames. On tx (writing buffers to the ring), keep reading the next buffer in vlib when the flag VLIB_BUFFER_NEXT_PRESENT and merge it to the same ring entry. Use descriptor chaining if the buffer is not big enough. On rx (reading buffers from the ring), if the packet is greater than 2048, create multiple vlib buffers, chained with the VLIB_BUFFER_NEXT_PRESENT. Testing: Because the ping command provided by VPP does not support jumbo frames, I have to use linux ping. Here is the set up that I use for testing. VM1 --- vhost ---- VPP1 --- memif --- VPP2 --- vhost --- VM2 Create vhost-user interfaces between VM1 and VPP1 and between VPP2 and VM2 VM configuration: Set the interface mtu on the VM, e.g 9216 to support jumbo frames. create static route and static arp on VM1 to VM2 and vice versa. Use iperf3 or ping -s 8000 from VM1 to VM2 or vice versa. Sample run sluong@ubuntu:~$ ping 131.1.1.1 -c1 -s 8000 ping 131.1.1.1 -c1 -s 8000 PING 131.1.1.1 (131.1.1.1) 8000(8028) bytes of data. 8008 bytes from 131.1.1.1: icmp_seq=1 ttl=62 time=0.835 ms --- 131.1.1.1 ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 0ms rtt min/avg/max/mdev = 0.835/0.835/0.835/0.000 ms sluong@ubuntu:~$ DBGvpp# sh interface memif0 Name Idx State Counter Count memif0 1 up rx packets 1 rx bytes 8042 tx packets 1 tx bytes 8042 ip4 1 DBGvpp# Change-Id: I469bece3d45a790dceaee1d6a8e976bd018feee2 Signed-off-by: Steven <sluong@cisco.com>
2017-06-15acl-plugin: store sessions in a single hash table instead of a per-interfaceAndrew Yourtchenko4-22/+39
A bihash-per-interface is convenient, but turns out tricky difficult from the maintenance standpoint with the large number of interfaces. This patch makes the sessions reside in a single hash table for all the interfaces, adding the lower 16 bit of sw_if_index as part of the key into the previously unused space. There is a tradeoff, that a session with an identical 5-tuple and the same sw_if_index modulo 65536 will match on either of the interfaces. The probability of that is deemed sufficiently small to not worry about it. In case it still happens before the heat death of the universe, there is a clib_warning and the colliding packet will be dropped, at which point we will need to bump the hash key size by another u64, but rather not pay the cost of doing that right now. Change-Id: I2747839cfcceda73e597cbcafbe1e377fb8f1889 Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>
2017-06-14acl-plugin: shrink the L2 classifier tables used for traffic redirectAndrew Yourtchenko1-17/+17
The previous iteration of the code used the L2 classifier tables for session storage, as a result, the table allocations were pretty big. The new ACL plugin datapath uses the tables just as a redirection mechanism, without adding any entries. Thus, the tables can be much smaller. Change-Id: Ieec4a5abf0abda6e513ab4e675f912f14d47e671 Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>
2017-06-13SNAT: fix 1:1 NAT without port hairpinning TCP checksum updateMatus Fabian1-0/+10
Change-Id: I5077fcf3671a6116b475f87e43120efc10ecaa08 Signed-off-by: Matus Fabian <matfabia@cisco.com>
2017-06-13memif: fix crash during interface deleteDamjan Marion1-0/+4
Change-Id: Ide6d26d6fcc81be6f26ac0abe2cd0d6a0838cfe6 Signed-off-by: Damjan Marion <damarion@cisco.com>
2017-06-12memif: complete refactor of socket handling codeDamjan Marion11-1146/+1796
Change-Id: I4d41def83a23f13701f1ddcea722d481e4c85cbc Signed-off-by: Damjan Marion <damarion@cisco.com>
2017-06-12NAT64: bug fixMatus Fabian1-1/+20
ICMP to ICMPv6 error message inner UDP packet translation delete ST entries when deleting static BIB entry Change-Id: I2a28631ac040e20827a692331506cd8254f70916 Signed-off-by: Matus Fabian <matfabia@cisco.com>