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2020-05-04fib: midchain adjacency optimisationsNeale Ranns2-0/+49
Type: improvement - inline some common encap fixup functions into the midchain rewrite node so we don't incur the cost of the virtual function call - change the copy 'guess' from ethernet_header (which will never happen) to an ip4 header - add adj-midchain-tx to multiarch sources - don't run adj-midchain-tx as a feature, instead put this node as the adj's next and at the end of the feature arc. - cache the feature arc config index (to save the cache miss going to fetch it) - don't check if features are enabled when taking the arc (since we know they are) the last two changes will also benefit normal adjacencies taking the arc (i.e. for NAT, ACLs, etc) for IPSec: - don't run esp_encrypt as a feature, instead when required insert this node into the adj's next and into the end of the feature arc. this implies that encrypt is always 'the last feature' run, which is symmetric with decrypt always being the first. - esp_encrpyt for tunnels has adj-midchain-tx as next node Change-Id: Ida0af56a704302cf2d7797ded5f118a781e8acb7 Signed-off-by: Neale Ranns <nranns@cisco.com>
2020-02-25feature: provide a u16 version of vnet_feature_nextNeale Ranns1-0/+8
Type: improvement when using vlib_buffer_enqueue_to_next the 'nexts' parameter is an array of u16, but vnet_feautre_next takes a u32. this is a simple wrapper to address the impedence mismatch. Signed-off-by: Neale Ranns <nranns@cisco.com> Change-Id: I0fa86629e979e313344eb68442dc35a7b9537a8f
2019-12-17feature: add descriptive cli command output for 'set interface feature'Paul Vinciguerra1-7/+23
DBGvpp# set interface feature local0 arp-foo arc bad-arc set interface feature: Unknown arc name (bad-arc)... DBGvpp# set interface feature local0 arp-foo arc arp set interface feature: Feature (arp-foo) not registered to arc (arp)... See 'show features verbose' for valid feature/arc combinations. DBGvpp# set interface feature local0 arp-disabled arc arp Type: fix Change-Id: I036bb2a75dd2d40f6901e4fde3eb14925238e19b Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>
2019-12-17feature: add [verbose] to show features helpPaul Vinciguerra1-1/+1
Type: fix Change-Id: Idf694477c18852e5541c28a493a56b302122e46c Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>
2019-12-10api: multiple connections per processDave Barach1-1/+1
Type: feature Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: I2272521d6e69edcd385ef684af6dd4eea5eaa953
2019-12-03fib feature: Code mechanics to decouple dependency of feature on adjNeale Ranns2-2/+37
Type: refactor Signed-off-by: Neale Ranns <nranns@cisco.com> Change-Id: I1d8b88fe1eefc850865297b4f025b97e6373a6bd
2019-11-25vlib: autogenerate <node> before <last-in-arc> constraintsDave Barach3-0/+24
If an arc declaration includes '.last_in_arc = "some-node"', assume that folks mean it and add explicit ordering constraints. Fix the "arp" arc declaration which claimed that the arc ends at arp-disabled, but the arc really ends at error-drop. Type: fix Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: Ie2de1fb30091671cbc7c62770903a2e05987f141
2019-10-16bonding: graph node running after bond-input in feature arc may crashSteven Luong1-0/+7
In bond RX quad loop, when all packets within the frame have the same incoming interface, we cannot skip calling bond_update_next because that function calls vnet_feature_next() to update the b->current_config_index. The next node needs the correct b->current_config_index to work with. Type: fix Signed-off-by: Steven Luong <sluong@cisco.com> Change-Id: I3d8b3d4e0f95490f406fae7638f0c43c301ce664
2019-10-03feature: API cleanupJakub Grajciar1-6/+8
Use consistent API types. Type: fix Signed-off-by: Jakub Grajciar <jgrajcia@cisco.com> Change-Id: Id1e7210298cb494f3cb7a47a9ecf2bc1d9c1d58e
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>
2018-11-26Add a feature arc consistency checkDave Barach2-0/+16
Verify that last node in the computed feature order matches reality. This check doesn't make sense in all cases, so we skip it if the newly-added vnet_feature_arc_registration_t ".last_in_arc" datum is a NULL pointer. Change-Id: Ia99c3e2b2da2e4780a7d5bc71670c5742a66fef2 Signed-off-by: Dave Barach <dave@barachs.net>
2018-11-19Improve feature arc order constraint specificationDave Barach3-13/+135
Add the VNET_FEATURE_ARC_ORDER macro, which allows specification of bulk order constraints. Here's an example: VNET_FEATURE_ARC_ORDER(ip4_unicast_arc_order, static) = { .arc_name = "ip4-unicast", .node_names = VNET_FEATURES ("ip4-flow-classify", "ip4-inacl", "ip4-source-check-via-rx", "ip4-source-check-via-any", "ip4-source-and-port-range-check-rx", "ip4-policer-classify", "ipsec4-input", "vpath-input-ip4", "ip4-vxlan-bypass", "ip4-not-enabled", "ip4-lookup"), }; Simply list feature nodes in the desired order, and you're done. Multiple macro instances per are are fine / expected / tested. Under the covers: generate "a before b" tuples by chain-dragging across the ordered list. No need to touch existing per-feature constraints. Fixed a long-broken "you lose!" error message. Change-Id: I259282e426fd305e22c8d65886787c41a1d348d3 Signed-off-by: Dave Barach <dave@barachs.net>
2018-10-03VPP-1426: CLI crash on 'set int feature'Paul Vinciguerra1-1/+1
Change-Id: Ib2221a43347c66940b6b5f71914a451ca4627d2f Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>
2018-08-13Multiarch handling in different constructor macrosDamjan Marion1-0/+9
This significantly reduces need for ... in multiarch code. Simply constructor macros will jost create static unused entry if CLIB_MARCH_VARIANT is defined and that will be optimized out by compiler. Change-Id: I17d1c4ac0c903adcfadaa4a07de1b854c7ab14ac Signed-off-by: Damjan Marion <damarion@cisco.com>
2018-07-19Remove unused argument to vlib_feature_nextDamjan Marion1-4/+4
Change-Id: Ieb8b53977fc8484c19780941e232ee072b667de3 Signed-off-by: Damjan Marion <damarion@cisco.com>
2018-07-19Cleanup of handoff codeDamjan Marion1-14/+0
- removed handoff-dispatch node - removed some unused buffer metadata fields - enqueue to thread logic moved to inline function Change-Id: I7361e1d88f8cce74cd4fcec90d172eade1855cbd Signed-off-by: Damjan Marion <damarion@cisco.com>
2018-05-27VPP-1294: add missing feature arc constraintDave Barach2-7/+42
the ip4-dhcp-client-detect feature MUST run prior to nat44-out2in, or inbound dhcp broadcast packets will be dropped. Certain dhcp servers answer lease renewal dhcp-request packets with broadcast dhcp-acks, leading to unrecoverable lease loss. In detail, this constraint: VNET_FEATURE_INIT (ip4_snat_out2in, static) = { .arc_name = "ip4-unicast", .node_name = "nat44-out2in", .runs_after = VNET_FEATURES ("acl-plugin-in-ip4-fa"), }; doesn't get the job done: ip4-unicast: [17] nat44-out2in [23] ip4-dhcp-client-detect [26] ip4-not-enabled Add a proper constraint: VNET_FEATURE_INIT (ip4_snat_out2in, static) = { .arc_name = "ip4-unicast", .node_name = "nat44-out2in", .runs_after = VNET_FEATURES ("acl-plugin-in-ip4-fa", "ip4-dhcp-client-detect"), }; and the interface feature order is OK, at least in this regard: ip4-unicast: [17] ip4-dhcp-client-detect [18] nat44-out2in [26] ip4-not-enabled We need to carefully audit (especially) the ip4-unicast feature arc, which has [gasp] 37 features on it! Change-Id: I5e749ead7ab2a25d80839a331de6261e112977ad Signed-off-by: Dave Barach <dave@barachs.net>
2018-05-17Fix failure during enable/disable of featuresMatthew Smith1-3/+3
vnet_feature_enable_disable_with_index() checks the return status of vnet_config_{add,del}_feature(). If the config string heap index returned is the same index that was in use prior to the add/delete, it is concluded that a failure occurred and processing of the feature stops. Sometimes the config index that is returned can legitimately be the same index that was in used before the add/delete. The old list of features can have its heap entry deallocated before a new entry for the new list is allocated. The heap entry for the new list can be the entry that was deallocated while deleting the old one. Make vnet_config_{add,del}_feature() return ~0 on failure. Look for that return value as an indication that an error occurred in vnet_enable_disable_feature_by_index(). Change-Id: I88bb3ff88a76971c1b5e5ece74784ce8ba78373c Signed-off-by: Matthew Smith <mgsmith@netgate.com>
2018-04-27A bit of buffer metadata reshuffling to accommodate flow_idDamjan Marion1-9/+9
Change-Id: I2794384557c6272fe217269b14a9db09eda19220 Signed-off-by: Damjan Marion <damarion@cisco.com>
2018-04-09features: don't break linked list, create separate one for arcDamjan Marion3-5/+5
We need to keep original linked list so destructire can remove entries. Change-Id: I5ff5ca0e1a417d88707255207725bba46433c943 Signed-off-by: Damjan Marion <damarion@cisco.com>
2018-04-09plugins: unload plugin if early init failsDamjan Marion1-0/+16
Change-Id: I32f68e2ee8f5d32962acdefb0193583f71d342b3 Signed-off-by: Damjan Marion <damarion@cisco.com>
2018-04-03reassembly: bug fixesKlement Sekera1-2/+6
This change fixes a bug which would corrupt features infra by making feature infra resistant to double-removal. It also fixes 'out of memory' issue by properly initializing the bihash tables. Change-Id: I78ac03139234a9a0e0b48e7bdfac1c38a0069e82 Signed-off-by: Klement Sekera <ksekera@cisco.com>
2018-03-07features: extend 'feature node not found' warning messageDamjan Marion1-2/+4
Change-Id: I8f45fdb3865e2e0cbb5162ac622c07fec5e42b9d Signed-off-by: Damjan Marion <damarion@cisco.com>
2018-02-26vnet: add vnet_device_input_have_features functionDamjan Marion1-0/+7
Change-Id: I28cfa7f7f5e4938146478c4a5cc5ad18612aadaa Signed-off-by: Damjan Marion <damarion@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>
2018-01-16Tolerate missing nodes during feature arc initialisationNeale Ranns1-2/+8
Change-Id: Ib0d0b663bf71ce52ead2f81140c710f31f040f89 Signed-off-by: Neale Ranns <nranns@cisco.com>
2017-11-10Break up vpe.apiNeale Ranns2-0/+176
- makes the VAPI generated file more consumable. - VOM build times improve. Change-Id: I838488930bd23a0d3818adfdffdbca3eead382df Signed-off-by: Neale Ranns <neale.ranns@cisco.com>
2017-09-20Add ip6-local feature arcPierre Pfister1-1/+2
ip4-local feature arc existed but not ip6-local one. This patch also adds node name to the 'show ip local' command and fixes a minor include issue in vnet/ip/ip4.h file. Change-Id: I9bb8a7159917d58f89afcce974680de20d946a70 Signed-off-by: Pierre Pfister <ppfister@cisco.com>
2017-08-18feature: exit on misconfigured features (VPP-915)Florin Coras1-3/+7
Change-Id: Ifa11f356d727b69cb121a2bf4cfb9d87883f545d Signed-off-by: Florin Coras <fcoras@cisco.com>
2017-03-17Fix IP feature ordering.Neale Ranns2-18/+0
Drop comes before lookup when enabled. is_first_or_last is not required when setting a feature, the anchor is added in find_config_with_features(). Don't make the PG interfaces automatically L3 enabled, this way we can have tests that check the L3 protocol disbaled behaviour. Change-Id: Icef22a920b27ff9cec6ab2da6b05f05c532cb60f Signed-off-by: Neale Ranns <nranns@cisco.com>
2017-03-17Cache a 'has-features' flag on the adjacency for faster access. Reclaim the ↵Neale Ranns1-0/+2
node_index memeber from the rewrite for space - this is only used for formtting before: ip4-rewrite * * * * 2.66e1 256.00 after: ip4-rewrite * * * * 2.40e1 256.00 Change-Id: Ic397150727cad38811564777419ad6bd26b8a3a6 Signed-off-by: Neale Ranns <nranns@wasa-ucs-11.cisco.com>
2017-03-06features: take device-input buffer advance value directlyDamjan Marion1-27/+35
Change-Id: Ifac7d9134d03d79164ce6f06ae9413279bbaadb3 Signed-off-by: Damjan Marion <damarion@cisco.com>
2017-03-02VPP-648: CLI Memory leak with invalid parameterBilly McFall1-0/+1
After VPP-635 was merged, did one more pass. While the code was waiting to be merged, a few changes were merged to master with the same issue. This is a few additional changes addressing the same issue. See VPP-635. Change-Id: I7abeac5c260c1e2e9d9d318fd1aae24cd6932efc Signed-off-by: Billy McFall <bmcfall@redhat.com>
2016-12-28Reorganize source tree to use single autotools instanceDamjan Marion3-0/+1146
Change-Id: I7b51f88292e057c6443b12224486f2d0c9f8ae23 Signed-off-by: Damjan Marion <damarion@cisco.com>