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path: root/src/plugins/nat/nat44_handoff.c
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2021-01-18nat: deal with flows instead of sessionsKlement Sekera1-0/+13
This change introduces flow concept to endpoint-dependent NAT. Instead of having a session and a plethora of special cases in code for e.g. hairpinning, twice-nat and others, figure all this out and store it in flow logic. Every flow has a match and a rewrite part. This unifies all the NAT packet processing cases into one - match a flow and rewrite the packet based on that flow. It also provides a cure for hairpinning dilemma where one part of the flow is on one worker and another on a different one. These cases are also sped up by not requiring destination adress lookup every single time to be able to rewrite source nat as this is now part of flow rewrite logic. Type: improvement Change-Id: Ib60c992e16792ea4d4129bc10202ebb99a73b5be Signed-off-by: Klement Sekera <ksekera@cisco.com>
2020-12-03nat: fix forwarding handoff workaroundFilip Varga1-14/+0
A special case when out2in packet needs to be handoffed to other worker thread. We are not able to determine which thread they belong to in the first processing of nat handoff node. These packets needs to go through out2in slowpath before we are able to tell where to handoff them. Type: fix Ticket: VPP-1941 Change-Id: I7173bda970ce6a91d81f48fc72aa2457586a076f Signed-off-by: Filip Varga <fivarga@cisco.com>
2020-06-10nat: optimize prefetchingKlement Sekera1-8/+8
Type: improvement Signed-off-by: Klement Sekera <ksekera@cisco.com> Change-Id: Iea1748e8e39d213fcb3f3b52379bd37a6dd6aa3d
2020-05-13nat: handoff next node feature fixFilip Varga1-2/+15
Type: fix Change-Id: I14e323e7bb1db7a3d40668212535c07504374e59 Signed-off-by: Filip Varga <fivarga@cisco.com>
2020-01-03nat: use SVRKlement Sekera1-8/+22
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>
2019-11-19nat: respect arc features (multi worker)Filip Varga1-12/+4
Type: fix Ticket: VPP-1747 Change-Id: If282aae3e584d7017c200f897b99c8a37eb1b2e5 Signed-off-by: Filip Varga <fivarga@cisco.com>
2019-08-22nat: handoff traffic matching for dynamic NATFilip Varga1-39/+49
Type: feature Change-Id: I5c5af6f9acb340cc674323305104b8ce23e6d21d Signed-off-by: Filip Varga <fivarga@cisco.com>
2019-08-01nat: handoff rewrite & fixes for multi-workerFilip Varga1-38/+127
Type: fix Change-Id: Ib9164d8f6c681e8900e645306f3a2dc0ac0e40a8 Signed-off-by: Filip Varga <filipvarga89@gmail.com>
2019-07-12nat: added handoff trace index for easier trace matchFilip Varga1-2/+4
Type: feature Change-Id: Id818f86164acabcb732e9a65d0e284d68e747a7b Signed-off-by: Filip Varga <fivarga@cisco.com>
2019-02-18NAT: VPP-1552 code migration from old multiarch schemeFilip Varga1-28/+10
Change-Id: I88f3df8aaa521e7707ef3335acdbf1ab41e7ee28 Signed-off-by: Filip Varga <fivarga@cisco.com>
2018-12-14NAT: counters (VPP-1484)Matus Fabian1-1/+14
Change-Id: I5d1852a09712adfe7547c200d161539736aca6f5 Signed-off-by: Matus Fabian <matfabia@cisco.com>
2018-09-21NAT: Refactoring / Housekeeping (VPP-1415)Matus Fabian1-0/+229
Change-Id: Ia3ce24cc94f9b2fb331ad62a4181ddcd41bc78ca Signed-off-by: Matus Fabian <matfabia@cisco.com>