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2020-10-23nat: nat44 enable/disable dynamic configFilip Varga1-0/+43
This patch changes initialization and configuration of NAT plugin. Instead of allocating data structures at vpp plugin initialization phase allocation and configuration happens after calling enable API or CLI call. This reduces base VPP memory footprint and also enables dynamic reconfiguration of the NAT plugin. Type: improvement Change-Id: I42c069ee19a0311d043ac1f3f230d87bc8d2680f Signed-off-by: Filip Varga <fivarga@cisco.com>
2020-10-07nat: move nat64 to a subfeatureFilip Varga1-230/+3
Type: refactor Change-Id: I3b9e17164647d2019b1f40cffeed63393345219e Signed-off-by: Filip Varga <fivarga@cisco.com>
2020-09-02nat: twice-nat static mapping pool addressFilip Varga1-0/+41
Let twice-nat static mapping pick specific address from the twice-nat pool. Type: improvement Change-Id: Iadaa036af2fa3b0e6e9a68ff6e68b4bbe1650eb1 Signed-off-by: Filip Varga <fivarga@cisco.com>
2020-08-31nat: fix type in api messageKlement Sekera1-1/+60
Translation memory size is internally a uword, but in api it was u32, resulting in the returned value being 0 all the time. Fix the "incorrect" API reply to return a u32 capped to 0xffffffff if the u64 is larger than that, introduce the message with the correct type, deprecate the message with the incorrect type. Also, while we are updating the message definition, add the max translations / max users per worker thread into the new message. Type: fix Signed-off-by: Klement Sekera <ksekera@cisco.com> Change-Id: I92e38a6a2bcb70fc8d1b129bbe416bf7f9e54280 Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>
2020-08-13nat: move deterministic nat to det44 sub featureFilip Varga1-168/+0
Type: refactor Change-Id: I0bb203102a0e13dd7448e2125925ab356bbd7937 Signed-off-by: Filip Varga <fivarga@cisco.com>
2020-07-02nat: nat66 to pluginOle Troan1-96/+1
Type: refactor Change-Id: I8c1f0c02a4522c1f9e461ddadd59938579ec00c6 Signed-off-by: Ole Troan <ot@cisco.com>
2020-05-04nat: per vrf session limitsFilip Varga1-0/+13
Type: improvement Change-Id: I170256ab47978db34fb0ff6808d9cd54ab872410 Signed-off-by: Filip Varga <fivarga@cisco.com>
2020-04-08nat: use correct data types for memory sizesKlement Sekera1-3/+3
Type: fix Signed-off-by: Klement Sekera <ksekera@cisco.com> Change-Id: Id2d181385f109163d4c806eecda166c2087c4b92
2020-02-20nat: user deletion function & extra metricsFilip Varga1-0/+13
Type: improvement Signed-off-by: Filip Varga <fivarga@cisco.com> Change-Id: Ia5dbfe864c18e953ff49147a9a4684d2ca14b96e
2020-02-07nat: api & cli command for forcing session cleanupFilip Varga1-0/+9
Ticket: VPP-1836 Type: feature Signed-off-by: Filip Varga <fivarga@cisco.com> Change-Id: I8f7fc011bac435445a8916a4948d130ca9162f67
2020-02-05nat: move dslite to separate sub-pluginOle Troan1-107/+0
Type: refactor Change-Id: If3d9f16f3a06c10b354f1eef674e8db5f3c44de7 Signed-off-by: Ole Troan <ot@cisco.com>
2020-01-03nat: use SVRKlement Sekera1-79/+0
Remove NAT's implementation of shallow virtual reassembly with corresponding CLIs, APIs & tests. Replace with standalone shallow virtual reassembly provided by ipX-sv-reass* nodes. Type: refactor Change-Id: I7e6c7487a5a500d591f6871474a359e0993e59b6 Signed-off-by: Klement Sekera <ksekera@cisco.com>
2019-09-03api: enforce vla is last and fixed string typeOle Troan1-8/+8
Enforce that variable length fields are the last element of API messages. Add a 'fixed' version of string type, since dealing with multiple variable length strings turned out too painful for the C language bindings. The string type is now: { string name[64]; // NUL terminated C-string. Essentially decays to u8 name[64] string name[]; // Variable length string with embedded len field (vl_api_string_t) }; The latter notation could be made available to other types as well. e.g. { vl_api_address_t addresses[]; } instead of { u32 n_addr; vl_api_address_t addresses[n_addr]; }; Type: fix Change-Id: I18fa17ef47227633752ab50453e8d20a652a9f9b Signed-off-by: Ole Troan <ot@cisco.com>
2019-08-20vppapigen: remove support for legacy typedefsPaul Vinciguerra1-1/+1
vppapigen has remapped legacy to typedefs behind the scenes for some time now. - update .api files to use new style typedefs. - issue error on 'typeonly define' in .api files - remove unneeded macros redefining vl_noop_handler Type: refactor Change-Id: I7a8c4a6dafacee6a131f95cd0e9b03a8c60dea8b Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>
2019-07-31nat: elog rewrite for multi-worker supportFilip Varga1-1/+22
Type: fix Change-Id: I04f136a04bc022d223e4bcb5c59920bd1f1fd560 Signed-off-by: Filip Varga <filipvarga89@gmail.com>
2019-05-16Add default value for API Nat flagsMichal Cmarada1-0/+1
Change-Id: I4f1b83ae1c746b8f67f2d12a02081702b9553b44 Signed-off-by: Michal Cmarada <mcmarada@cisco.com>
2019-04-24NAT: VPP-1531 api cleanup & updateFilip Varga1-273/+268
Change-Id: I2492400a67b39a3adbc24ab7cf1ba17a409e95a8 Signed-off-by: Filip Varga <fivarga@cisco.com>
2019-04-23Revert "NAT: VPP-1531 api cleanup & update"Ole Trøan1-268/+273
This reverts commit bed1421b9f1b3643d93384084972337b596aec73. /vpp/master3/src/plugins/nat/nat_api.c: In function ‘send_nat_worker_details’: /vpp/master3/src/vppinfra/clib.h:62:33: error: division ‘sizeof (u8 * {aka unsigned char *}) / sizeof (u8 {aka unsigned char})’ does not compute the number of array elements [-Werror=sizeof-pointer-div] #define ARRAY_LEN(x) (sizeof (x)/sizeof (x[0])) ^ /vpp/master3/src/plugins/nat/nat_api.c:205:43: note: in expansion of macro ‘ARRAY_LEN’ rmp = vl_msg_api_alloc (sizeof (*rmp) + ARRAY_LEN (w->name) - 1); ^~~~~~~~~ Change-Id: Ie82672c145fb2f6580827f95e535435307bc7a23 Signed-off-by: Ole Troan <ot@cisco.com>
2019-04-23NAT: VPP-1531 api cleanup & updateFilip Varga1-273/+268
Change-Id: I519d7efc8ee3c86381d96be2e2a46017cd948895 Signed-off-by: Filip Varga <fivarga@cisco.com>
2019-03-28Typos. A bunch of typos I've been collecting.Paul Vinciguerra1-1/+1
Change-Id: I53ab8d17914e6563110354e4052109ac02bf8f3b Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>
2019-02-27NAT44: active-passive HA (VPP-1571)Matus Fabian1-0/+122
session synchronization so that we can build a plain active-passive HA NAT pair Change-Id: I21db200491081ca46b7af3e82afc677c1985abf4 Signed-off-by: Matus Fabian <matfabia@cisco.com>
2018-12-18NAT44: nat44_add_del_lb_static_mapping enhancements (VPP-1514)Matus Fabian1-3/+22
Change-Id: I5419e06592b0402e911e132796368800321f355a Signed-off-by: Matus Fabian <matfabia@cisco.com>
2018-09-13NAT: TCP MSS clampingMatus Fabian1-0/+35
NAT plugin changes the MSS value in TCP SYN packets to avoid fragmentation. If the negotiated MSS value is greater than the configured value it is changed to the configured value. If the negotiated MSS value is smaller than the configured value it remains unchanged. Change-Id: Ic3c4f94a2f1b76e2bf79f50f3ad36a4097f3f188 Signed-off-by: Matus Fabian <matfabia@cisco.com>
2018-09-04NAT: add support for configurable port range (VPP-1346)Matus Fabian1-0/+55
Change-Id: I6882b6daa05db866fe6e78a62b380ec331507f74 Signed-off-by: Matus Fabian <matfabia@cisco.com>
2018-09-03NAT44: client-IP based session affinity for load-balancing (VPP-1297)Matus Fabian1-0/+6
Enable client-IP based session affinity per LB NAT rule with specific timeout. Change-Id: I9aade152e330218d21dfda99cc5e984d769ab806 Signed-off-by: Matus Fabian <matfabia@cisco.com>
2018-08-27NAT44: add support for session timeout (VPP-1272)Matus Fabian1-91/+44
NAT44 (vanilla/simple and endpoint-dependent mode) now lazily delete expired sessions. When inserting to session lookup hash and bucket is full, expired session is overwritten. Change-Id: Ib1b34959f60f0ca4f5b13525b1d41dd2f992288d Signed-off-by: Matus Fabian <matfabia@cisco.com>
2018-08-22NAT: update nat_show_config_reply API (VPP-1403)Matus Fabian1-1/+15
Change-Id: I85383e428cb54c4c09ab387811dd6390f7c61d97 Signed-off-by: Matus Fabian <matfabia@cisco.com>
2018-08-15Remove client_index field from replies in APIOndrej Fabry1-1/+0
- replies should not need to contain client_index since it is used to identify sender of requests to VPP Change-Id: Iece3853b3f020054ee1652b149d0cf8d9580db4e Signed-off-by: Ondrej Fabry <ofabry@cisco.com>
2018-08-02NAT44: LB NAT - local backends in multiple VRFs (VPP-1345)Matus Fabian1-5/+2
Add support for local backends in multiple VRFs for load-balancing NAT rules. Change-Id: I64e6818bd67a7e69985003498cf1f16f7200c334 Signed-off-by: Matus Fabian <matfabia@cisco.com>
2018-05-17NAT44: nat44_del_session and nat44_user_session_details API update (VPP-1271)Matus Fabian1-3/+21
Change-Id: I484d79000c1bbd87ff83847cf567bf3414a719d3 Signed-off-by: Matus Fabian <matfabia@cisco.com>
2018-05-08NAT44: TCP connection close detection (VPP-1266)Matus Fabian1-1/+3
Change-Id: Iba1cc1179ee80478e29888790a6476571d1904dc Signed-off-by: Matus Fabian <matfabia@cisco.com>
2018-04-19Add special Twice-NAT feature (VPP-1221)Juraj Sloboda1-0/+16
When enabled then Twice-NAT is applied only when source IP equals destination IP after DNAT Change-Id: I58a9d1d222b2a10c83eafffb2107f32c1b4aa3a8 Signed-off-by: Juraj Sloboda <jsloboda@cisco.com>
2018-04-05DSLite: Implement new API call DSLITE_ADDRESS_DUMP.Jon Loeliger1-0/+18
Change-Id: I92ca28d3007f7ea43cd3e8b20659e400dfa6c75c Signed-off-by: Jon Loeliger <jdl@netgate.com>
2018-01-31NAT66 1:1 mapping (VPP-1108)Matus Fabian1-0/+81
Support the 1:1 translation of source address for IPv6 Change-Id: I934d18e5ec508bf7422d796ee5f172b79c048011 Signed-off-by: Matus Fabian <matfabia@cisco.com>
2018-01-31NAT44: nat44_static_mapping_details protocol=0 if addr_only=0 (VPP-1158)Matus Fabian1-7/+7
Change-Id: I1e3cfc751e7657464fc850dc56ddf763df45f62e Signed-off-by: Matus Fabian <matfabia@cisco.com>
2018-01-30NAT: add missing CLI and API documentation (VPP-1142)Matus Fabian1-0/+36
Change-Id: I4e93595665b8d0e373c4df27311c27a51222961c Signed-off-by: Matus Fabian <matfabia@cisco.com>
2018-01-25NAT44: add opaque string tag to static mapping APIs (VPP-1147)Matus Fabian1-1/+11
Change-Id: I620e2081285ca8ac5c2da8efc12fe6f540ea4fd1 Signed-off-by: Matus Fabian <matfabia@cisco.com>
2018-01-23VPPAPIGEN: vppapigen replacement in Python PLY.Ole Troan1-1/+1
This is a version of the VPP API generator in Python PLY. It supports the existing language, and has a plugin architecture for generators. Currently C and JSON are supported. Changes: - vl_api_version to option version = "major.minor.patch" - enum support - Added error checking and reporting - import support (removed the C pre-processor) - services (tying request/reply together) Version: option version = "1.0.0"; Enum: enum colours { RED, BLUE = 50, }; define foo { vl_api_colours_t colours; }; Services: service { rpc foo returns foo_reply; rpc foo_dump returns stream foo_details; rpc want_stats returns want_stats_reply events ip4_counters, ip6_counters; }; Future planned features: - unions - bool, text - array support (including length) - proto3 output plugin - Refactor C/C++ generator as a plugin - Refactor Java generator as a plugin Change-Id: Ifa289966c790e1b1a8e2938a91e69331e3a58bdf Signed-off-by: Ole Troan <ot@cisco.com>
2018-01-22NAT44: asymmetrical static mapping rule (VPP-1135)Matus Fabian1-1/+5
add option to NAT44 static mapping API/CLI to make rule asymmetrical (rule match only out2in direction) Change-Id: If262a3ff375a24d3059f0de1f1ac387a4fe09475 Signed-off-by: Matus Fabian <matfabia@cisco.com>
2018-01-11NAT44: asymmetrical load balancing static mapping rule (VPP-1132)Matus Fabian1-1/+3
Add option to NAT44 load balancing static mapping API/CLI to make rule asymmetrical (rule match only in out2in direction). Change-Id: I325ecef5591e4bf44ce4469a24d44fe56c3bb2e9 Signed-off-by: Matus Fabian <matfabia@cisco.com>
2018-01-11Add basic support for DS-Lite CE (VPP-1059)Juraj Sloboda1-0/+63
Change-Id: Ifcca60da3f77c0a4959f98b3365c846badbdc2d0 Signed-off-by: Juraj Sloboda <jsloboda@cisco.com>
2017-12-20Translate matching packets using NAT (VPP-1069)Juraj Sloboda1-0/+31
Add API function which enables forwarding of packets not matching existing translation or static mapping instead of dropping them. When forwarding is enabled matching packets will be translated while non-matching packets will be forwarded without translation. Change-Id: Ic13040cbad16d3a1ecdc3e02a497171bef6aa413 Signed-off-by: Juraj Sloboda <jsloboda@cisco.com>
2017-12-19NAT: Twice NAT44 (VPP-969)Matus Fabian1-2/+16
Translation of both source and destination addresses and ports for 1:1 NAT session initiated from outside network (ExternalIP K8 use case). Change-Id: Ic0000497cf71619aac996d6d580844f0ea0edc14 Signed-off-by: Matus Fabian <matfabia@cisco.com>
2017-11-30NAT44: identity NAT (VPP-1073)Matus Fabian1-0/+52
Identity mapping translate an IP address to itself. Change-Id: Icc0ca5102d32547a4b0c75720b5f5bf41ed69c71 Signed-off-by: Matus Fabian <matfabia@cisco.com>
2017-11-29NAT: Remove old SNAT API (VPP-1070)Matus Fabian1-622/+1
Change-Id: I3d936d456ee27b2e0857843295efb60a9f2d0be7 Signed-off-by: Matus Fabian <matfabia@cisco.com>
2017-11-08NAT64 to use IPv4 address from interface (VPP-1051)Matus Fabian1-0/+14
Change-Id: I326429c31dea6958a342ee152ef86cb975f4b12c Signed-off-by: Matus Fabian <matfabia@cisco.com>
2017-11-07SNAT: IP fragmentation (VPP-890)Matus Fabian1-0/+81
Translation of fragmented packets. Change-Id: I9b1f2e9433ce273638080f32c2d3bff39c49899d Signed-off-by: Matus Fabian <matfabia@cisco.com>
2017-11-07NAT: DS-Lite (VPP-1040)Matus Fabian1-0/+27
Dual-Stack Lite enables a broadband service provider to share IPv4 addresses among customers by combining two well-known technologies: IPv4-in-IPv6 and NAT. Change-Id: I039740f8548c623cd1ac89b8ecda1a6cc4aafb9c Signed-off-by: Matus Fabian <matfabia@cisco.com>
2017-10-26NAT: delete session API/CLI (VPP-1041)Matus Fabian1-0/+20
Administratively delete NAT44 session for specific inside/outside addresses and port pair. Change-Id: If5ab500ac3592c7153d6d8f2cc0297df7309fbc3 Signed-off-by: Matus Fabian <matfabia@cisco.com>
2017-10-25One armed NAT (VPP-1035)Matus Fabian1-1/+1
Use a single physical interface in order to accomplish NAT44/NAT64. Change-Id: I0c8138953a7a4075df306172e125abad771315e4 Signed-off-by: Matus Fabian <matfabia@cisco.com>