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2021-03-05ipsec: Support async mode per-SANeale Ranns1-39/+165
Type: feature This feautre only applies to ESP not AH SAs. As well as the gobal switch for ayncs mode, allow individual SAs to be async. If global async is on, all SAs are async. If global async mode is off, then if then an SA can be individually set to async. This preserves the global switch behaviour. the stratergy in the esp encrypt.decrypt nodes is to separate the frame into, 1) sync buffers, 2) async buffers and 3) no-op buffers. Sync buffer will undergo a cyrpto/ath operation, no-op will not, they are dropped or handed-off. Signed-off-by: Neale Ranns <neale@graphiant.com> Change-Id: Ifc15b10b870b19413ad030ce7f92ed56275d6791
2021-03-05ipsec: Submit fuller async framesNeale Ranns1-0/+84
Type: improvement In the current scheme an async frame is submitted each time the crypto op changes. thus happens each time a different SA is used and thus potentially many times per-node. thi can lead to the submision of many partially filled frames. change the scheme to construct as many full frames as possible in the node and submit them all at the end. the frame owner ship is passed to the user so that there can be more than one open frame per-op at any given time. Signed-off-by: Neale Ranns <neale@graphiant.com> Change-Id: Ic2305581d7b5aa26133f52115e0cd28ba956ed55
2021-02-25tests: Add tests for IPSec async mode using the crypto SW schedulerNeale Ranns1-48/+111
Type: test Signed-off-by: Neale Ranns <neale@graphiant.com> Change-Id: Iabc8f2b09ee10a82aacebd36acfe8648cf69b7d7
2021-02-10ipsec: Use the new tunnel API types to add flow label and TTL copyNeale Ranns1-8/+9
support Type: feature attmpet 2. this includes changes in ah_encrypt that don't use uninitialised memory when doing tunnel mode fixups. Signed-off-by: Neale Ranns <neale@graphiant.com> Change-Id: Ie3cb776f5c415c93b8a5ee22f22586fd0181110d
2021-02-09Revert "ipsec: Use the new tunnel API types to add flow label and TTL copy"Matthew Smith1-9/+8
This reverts commit c7eaa711f3e25580687df0618e9ca80d3dc85e5f. Reason for revert: The jenkins job named 'vpp-merge-master-ubuntu1804-x86_64' had 2 IPv6 AH tests fail after the change was merged. Those 2 tests also failed the next time that job ran after an unrelated change was merged. Change-Id: I0e2c3ee895114029066c82624e79807af575b6c0 Signed-off-by: Matthew Smith <mgsmith@netgate.com>
2021-02-08ipsec: Use the new tunnel API types to add flow label and TTL copyNeale Ranns1-8/+9
support Type: feature Signed-off-by: Neale Ranns <neale@graphiant.com> Change-Id: I6d4a9b187daa725d4b2cbb66e11616802d44d2d3
2021-02-05ipsec: add support for AES CTRBenoît Ganne1-2/+138
Type: feature Change-Id: I9f7742cb12ce30592b0b022c314b71c81fa7223a Signed-off-by: Benoît Ganne <bganne@cisco.com>
2020-11-02ipsec: Tunnel SA DSCP behaviourNeale Ranns1-0/+93
Type: feature - use tunnel_encap_decap_flags to control the copying of DSCP/ECN/etc during IPSEC tunnel mode encap. - use DSCP value to have fixed encap value. Signed-off-by: Neale Ranns <nranns@cisco.com> Change-Id: If4f51fd4c1dcbb0422aac9bd078e5c14af5bf11f
2020-09-07ipsec: fix padding/alignment for native IPsec encryptionChristian Hopps1-2/+12
Not all ESP crypto algorithms require padding/alignment to be the same as AES block/IV size. CCM, CTR and GCM all have no padding/alignment requirements, and the RFCs indicate that no padding (beyond ESPs 4 octet alignment requirement) should be used unless TFC (traffic flow confidentiality) has been requested. CTR: https://tools.ietf.org/html/rfc3686#section-3.2 GCM: https://tools.ietf.org/html/rfc4106#section-3.2 CCM: https://tools.ietf.org/html/rfc4309#section-3.2 - VPP is incorrectly using the IV/AES block size to pad CTR and GCM. These modes do not require padding (beyond ESPs 4 octet requirement), as a result packets will have unnecessary padding, which will waste bandwidth at least and possibly fail certain network configurations that have finely tuned MTU configurations at worst. Fix this as well as changing the field names from ".*block_size" to ".*block_align" to better represent their actual (and only) use. Rename "block_sz" in esp_encrypt to "esp_align" and set it correctly as well. test: ipsec: Add unit-test to test for RFC correct padding/alignment test: patch scapy to not incorrectly pad ccm, ctr, gcm modes as well - Scapy is also incorrectly using the AES block size of 16 to pad CCM, CTR, and GCM cipher modes. A bug report has been opened with the and acknowledged with the upstream scapy project as well: https://github.com/secdev/scapy/issues/2322 Ticket: VPP-1928 Type: fix Signed-off-by: Christian Hopps <chopps@labn.net> Change-Id: Iaa4d6a325a2e99fdcb2c375a3395bcfe7947770e
2020-05-24ipsec: fixed chaining ops after add footer and icvPiotrX Kleski1-0/+1
In case there is no free space in first buffer for ICV and footer, additional buffer will be added, but esp_encrypt will stay in single buffer mode. The issue happens for the following payload sizes: - TCP packets with payload 1992 - ICMP packets with payload 2004 This fix moves the single/chained buffer ops selection to after esp_add_footer_and_icv call. Type: fix Signed-off-by: Fan Zhang <roy.fan.zhang@intel.com> Signed-off-by: PiotrX Kleski <piotrx.kleski@intel.com> Change-Id: Ic5ceba418f738933f96edb3e489ca2d149033b79
2020-05-13ipsec: Support 4o6 and 6o4 for SPD tunnel mode SAsNeale Ranns1-1/+75
Type: feature the es4-encrypt and esp6-encrypt nodes need to be siblings so they both have the same edges for the DPO on which the tunnel mode SA stacks. Signed-off-by: Neale Ranns <nranns@cisco.com> Change-Id: I2126589135a1df6c95ee14503dfde9ff406df60a
2020-03-31ipsec: fix chained ESPFilip Tehlar1-1/+2
This fixes a special case when buffer chain enters decrypt node and becomes a single buffer after decryption. Type: fix Change-Id: Id5da9e8a074f83ec3561949631ce613f35528312 Signed-off-by: Filip Tehlar <ftehlar@cisco.com>
2020-03-26tests: speed up ipsec unit tests executionFilip Tehlar1-54/+1
... by removing duplicit test cacses. There is little value in testing ESN flag when no integ algo is used. This patch removes such test cases. Type: improvement Change-Id: Iae5baa1d39ac32a65d1d28ad57771a87962d8bb3 Signed-off-by: Filip Tehlar <ftehlar@cisco.com>
2020-03-23ipsec: Revert "ipsec: fix chained ESP"Florin Coras1-2/+1
This reverts commit c2c1bfd9b72aec88526c06479b128725eb525866. Reason for revert: Seems it's breaking ipsec esp tests Type: fix Change-Id: Iac590eee23cbf92a10c62dafa789aa9c3b2284dd Signed-off-by: Florin Coras <fcoras@cisco.com>
2020-03-23ipsec: fix chained ESPFilip Tehlar1-1/+2
This fixes a special case when buffer chain enters decrypt node and becomes a single buffer after decryption. Type: fix Change-Id: I1d4da029b952baa97400adb7173aa63fd97d916b Signed-off-by: Filip Tehlar <ftehlar@cisco.com>
2020-02-11ipsec: add support for chained buffersFilip Tehlar1-4/+19
Type: feature Change-Id: Ie072a7c2bbb1e4a77f7001754f01897efd30fc53 Signed-off-by: Filip Tehlar <ftehlar@cisco.com>
2020-01-04ipsec: Targeted unit testingNeale Ranns1-2/+5
Type: fix 1 - big packets; chained buffers and those without enoguh space to add ESP header 2 - IPv6 extension headers in packets that are encrypted/decrypted 3 - Interface protection with SAs that have null algorithms Signed-off-by: Neale Ranns <nranns@cisco.com> Change-Id: Ie330861fb06a9b248d9dcd5c730e21326ac8e973
2019-12-23ipsec: Test and fix IPSec worker hand-offNeale Ranns1-1/+9
Type: fix Change-Id: I5cb9a3845ddbc5f4de4eb4e9c481f606fe5cec9a Signed-off-by: Neale Ranns <nranns@cisco.com>
2019-11-08ipsec: remove dedicated IPSec tunnelsNeale Ranns1-1/+2
APIs for dedicated IPSec tunnels will remain in this release and are used to programme the IPIP tunnel protect. APIs will be removed in a future release. see: https://wiki.fd.io/view/VPP/IPSec Type: feature Change-Id: I0f01f597946fdd15dfa5cae3643104d5a9c83089 Signed-off-by: Neale Ranns <nranns@cisco.com>
2019-10-18ipsec: make tests support python3Ole Troan1-8/+8
Type: fix Signed-off-by: Ole Troan <ot@cisco.com> Change-Id: I3255702e7c562c8d04a91a095e245756c6443a9e
2019-09-18tests: split up the long running IPSec tests into separate classesAndrew Yourtchenko1-82/+398
Type: test Change-Id: Ieeae7f1653f5f2e8e49f258871b389ef8954c90b Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>
2019-08-27ipsec: Fix NULL encryption algorithmNeale Ranns1-0/+8
Type: fix Ticket: VPP-1756 the block-size was set to 0 resulting in incorrect placement of the ESP footer. add tests for NULL encrypt + integ. Change-Id: I8ab3afda8e68f9ff649540cba3f2cac68f12bbba Signed-off-by: Neale Ranns <nranns@cisco.com>
2019-08-16ipsec: fix missed IPSEC_INTEG_ALG_MD5_96Dmitry Vakhrushev1-3/+3
This algorithm was missed in last improvements. Type:fix Signed-off-by: Dmitry Vakhrushev <dmitry@netgate.com> Change-Id: Ib818cbdcdd1a6f298e8b0086dac4189cc201baa3
2019-07-31tests: Split IPSec ESP into parameterized tests per engineNeale Ranns1-65/+60
Type: feature Change-Id: Icb1bd3fce768aebf8919c63a104f771ca7fa1d6f Signed-off-by: Neale Ranns <nranns@cisco.com>
2019-07-24ipsec: GCM, Anti-replay and ESN fixessNeale Ranns1-0/+8
Type: fix Several Fixes: 1 - Anti-replay did not work with GCM becuase it overwrote the sequence number in the ESP header. To fix i added the seq num to the per-packet data so it is preserved 2 - The high sequence number was not byte swapped during ESP encrypt. 3 - openssl engine was the only one to return FAIL_DECRYPT for bad GCM the others return BAD_HMAC. removed the former 4 - improved tracing to show the low and high seq numbers 5 - documented the anti-replay window checks 6 - fixed scapy patch for ESN support for GCM 7 - tests for anti-reply (w/ and w/o ESN) for each crypto algo Change-Id: Id65d96b6d1d4dd821b2ab557e87468fff6d70e5b Signed-off-by: Neale Ranns <nranns@cisco.com>
2019-07-10tests: Re-enable ipsec tests on ARMjuraj.linkes1-3/+3
Type: fix * test_ipsec_tun_if_esp.TestIpsecGreTebIfEsp * test_ipsec_esp.TestIpsecEspAll add keepalive messages before each algo/engine to prevent test timeout Change-Id: I726f3f9613bab02a65e65542cee494c68176ded7 Signed-off-by: juraj.linkes <juraj.linkes@pantheon.tech>
2019-06-18ipsec: ipsec-tun protectNeale Ranns1-5/+11
please consult the new tunnel proposal at: https://wiki.fd.io/view/VPP/IPSec Type: feature Change-Id: I52857fc92ae068b85f59be08bdbea1bd5932e291 Signed-off-by: Neale Ranns <nranns@cisco.com>
2019-06-18fib: fib api updatesNeale Ranns1-2/+1
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>
2019-05-20openssl plugin 3des routine iv_len fixVladimir Ratnikov1-2/+10
Since 3DES has 8 bytes of initialization vector and code contains hardcode for 16 bytes, check added to determine if crypto algorythm is 3DES_CBC and set corresponding iv_len param Change-Id: Iac50c8a8241e321e3b4d576c88f2496852bd905c Signed-off-by: Vladimir Ratnikov <vratnikov@netgate.com>
2019-04-17IPSEC: Pass the algorithm salt (used in GCM) over the APINeale Ranns1-11/+24
Change-Id: Ia8cea13f7b937294e6a080a55fb2ceff30063acf Signed-off-by: Neale Ranns <nranns@cisco.com>
2019-04-17crypto-ipsecmb: enable GCMNeale Ranns1-1/+0
Change-Id: I670d7899bcc63a419daf481167dc445a6386cce8 Signed-off-by: Neale Ranns <nranns@cisco.com>
2019-04-16IPSEC: support GCM in ESPNeale Ranns1-14/+46
Change-Id: Id2ddb77b4ec3dd543d6e638bc882923f2bac011d Signed-off-by: Neale Ranns <nranns@cisco.com>
2019-04-11IPSEC: ESP with ESN tests and fixesNeale Ranns1-9/+12
Change-Id: Ie42b26e6d5cdb7b23f370ea2933c65079e8d1089 Signed-off-by: Neale Ranns <nranns@cisco.com>
2019-04-11IPSEC-MB: Use random & non-repeating IV (VPP-1642)Neale Ranns1-1/+1
hard code IV and key lengths based on cipher. Init IV from random data, use AES instruction to rotate. Change-Id: I13a6507d12267b823c528660a903787baeba47a0 Signed-off-by: Neale Ranns <nranns@cisco.com>
2019-04-11Tests: Refactor tearDown show command logging, add lifecycle markers.Paul Vinciguerra1-2/+3
This change adds a consistent interface for adding test-specific show commands to log.txt. It also adds log markers for the execution of setUp[Class], tearDown[Class] in the logs. Change-Id: I7d42e396e594a59e866a7d55dac0af25548e657a Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>
2019-04-10crypto: Intel IPSEC-MB engineNeale Ranns1-2/+2
A plugin to use Intel IPSec MB library as a VPP crypto engine This changes uses concepts from: https://gerrit.fd.io/r/#/c/17301/ hence that author's work is acknowledge below Change-Id: I2bf3beeb10f3c9706fa5efbdc9bc023e310f5a92 Signed-off-by: Neale Ranns <nranns@cisco.com> Signed-off-by: Klement Sekera <ksekera@cisco.com>
2019-04-10IPSEC: for each engine and algorithm testsNeale Ranns1-186/+307
refactor the IPSEC tests a bit so we can parameterise the setup. Change-Id: I777e5eb8f29ca1dce3dd273ebd05dae5846790af Signed-off-by: Neale Ranns <nranns@cisco.com>
2019-04-10Tests Cleanup: Fix missing calls to setUpClass/tearDownClass.Paul Vinciguerra1-0/+17
Continuation/Part 2 of https://gerrit.fd.io/r/#/c/17092/ Change-Id: Id0122d84eaf2c05d29e5be63a594d5e528ee7c9a Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>
2019-03-28Typos. A bunch of typos I've been collecting.Paul Vinciguerra1-2/+2
Change-Id: I53ab8d17914e6563110354e4052109ac02bf8f3b Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>
2019-03-21IPSEC: Mutli-tunnel testsNeale Ranns1-12/+7
Change-Id: I46f1db6579835c6613fdbb2b726246cc62b135fe Signed-off-by: Neale Ranns <nranns@cisco.com>
2019-02-28TEST: IPSEC NAT-T with UDP headerNeale Ranns1-135/+197
Change-Id: I5ef8b3f4be40a7a0b0f1cb90dc0e15a4711e8664 Signed-off-by: Neale Ranns <nranns@cisco.com>
2019-02-18IPSEC: move SA counters into the stats segmentNeale Ranns1-22/+26
1) stats are accessed via the stat segment which is more condusive to monitoring 2) stats are accurate in the presence of multiple threads. There's no guarantee that an SA is access from only one worker. Change-Id: Id5e217ea253ddfc9480aaedb0d008dea031b1148 Signed-off-by: Neale Ranns <nranns@cisco.com>
2019-02-05IPSEC: SPD counters in the stats sgementNeale Ranns1-9/+13
- return the stats_index of each SPD in the create API call - no ip_any in the API as this creates 2 SPD entries. client must add both v4 and v6 explicitly - only one pool of SPD entries (rhter than one per-SPD) to support this - no packets/bytes in the dump API. Polling the stats segment is much more efficient (if the SA lifetime is based on packet/bytes) - emit the policy index in the packet trace and CLI commands. Change-Id: I7eaf52c9d0495fa24450facf55229941279b8569 Signed-off-by: Neale Ranns <nranns@cisco.com>
2019-01-31IPSEC: API modernisationNeale Ranns1-8/+19
- use enums to enumerate the algoritms and protocols that are supported - use address_t types to simplify encode/deocde - use typedefs of entry objects to get consistency between add/del API and dump Change-Id: I7e7c58c06a150e2439633ba9dca58bc1049677ee Signed-off-by: Neale Ranns <nranns@cisco.com>
2019-01-29make test: remove generic importsKlement Sekera1-1/+2
Change-Id: I55b89f0d9fb082c7763b64b09ab14573468c6704 Signed-off-by: Klement Sekera <ksekera@cisco.com>
2019-01-25IPSEC: tests use opbject registryNeale Ranns1-228/+106
this means we test the dumps - to some extent Change-Id: I8d90745701012012b41a7b3aaf9be97b4dd2bdf8 Signed-off-by: Neale Ranns <nranns@cisco.com>
2019-01-24IPSEC Tests: to per-test setup and tearDownNeale Ranns1-99/+240
don't do the setup and teardown in class methods so that with each test the config is added and deleted. that way we test that delete actually removes state. more helpful error codes from VPP for existing IPSEC state. Change-Id: I5de1578f73b935b420d4cdd85aa98d5fdcc682f6 Signed-off-by: Neale Ranns <nranns@cisco.com>
2018-12-02IPSEC-AH: anti-replay testingNeale Ranns1-2/+5
Change-Id: Ia5d45db73e4bdb32214ed4f365d5eec8e28115f3 Signed-off-by: Neale Ranns <nranns@cisco.com>
2018-11-15ipsec: infra for selecting backendsKlement Sekera1-1/+8
Change-Id: Ifa6d8391b1b2413a88b7720fc434e0bc849a149a Signed-off-by: Klement Sekera <ksekera@cisco.com> Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>
2018-10-03ipsec: add missing ipv6 ah code & ipv6 testsKlement Sekera1-75/+100
Change-Id: I89e90193ded1beb6cb0950c15737f9467efac1c3 Signed-off-by: Klement Sekera <ksekera@cisco.com>