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2021-11-23ip: unlock_fib on if deleteNathan Skrzypczak1-0/+2
On interface delete we were not removing the lock taken by a previous ip_table_bind() call thus preventing the VRFs to be removed. Type: fix Change-Id: I11abbb51a09b45cd3390b23d5d601d029c5ea485 Signed-off-by: Nathan Skrzypczak <nathan.skrzypczak@gmail.com>
2021-11-18ip: comparing IP prefixes should not modify themNeale Ranns1-0/+2
Type: improvement make the ip_prefix_cmp take const paramenters. plus some other miscellaneous functions. Signed-off-by: Neale Ranns <neale@graphiant.com> Change-Id: Ib69bacfb09483a8a8f8b89900c92d3d55c354ac6
2021-10-11ip: fix fib and mfib locksNathan Skrzypczak1-2/+1
This patches fixes an issue that could cause fib locks to underflow: if an API user deletes a fib and quickly recreates it, the fib may not have been actually deleted. As a result, the lock would not be incremented on the create call leading to the fib potentially disappearing afterwards - or to the lock to underflow when the fib is deleted again. In order to keep the existing API semantics, we use the locks with API and CLI source as flags. This means we need to use a different counter for the interface-related locks. This also prevents an issue where an interface being bound to a vrf via API and released via CLI could mess up the lock counter. Finally, this will help with cleaning up the interface-related locks on interface deletion in a later patch. Type: fix Change-Id: I93030a7660646d6dd179ddf27fe4e708aa11b90e Signed-off-by: Nathan Skrzypczak <nathan.skrzypczak@gmail.com> Signed-off-by: Aloys Augustin <aloaugus@cisco.com>
2021-09-22ip: add ip_table_allocate to apiAloys Augustin1-0/+2
Set tableID = ~0 for auto selection unused ID https://jira.fd.io/browse/VPP-1993 Type: improvement Change-Id: I4eec2cc1d18fc025196cb6ac4c9a4b374388eb56 Signed-off-by: Artem Glazychev <artem.glazychev@xored.com> Signed-off-by: Aloys Augustin <aloaugus@cisco.com>
2021-01-28ip: Router ID included in flow hashNeale Ranns1-2/+0
Type: feature A device/router needs to have a unique ID which is included in the flow has so that flows are not polarised through the network, i.e. each deice in the network chooses the same nth link for the same flow. Signed-off-by: Neale Ranns <neale@graphiant.com> Change-Id: I963e03674adbb085902b4084fdc4886b88f5734c
2021-01-21ip: use IPv6 flowlabel in flow hash computationAhmed Abdelsalam1-0/+2
extends ip6_compute_flow_hash() to include IPv6 flowlabel in flowhash computation Type: improvement Signed-off-by: Ahmed Abdelsalam <ahabdels@cisco.com> Signed-off-by: Neale Ranns <neale.ranns@cisco.com> Change-Id: Id1aaa20c9dac729c22b714eea1cdd6e9e4d1f75e
2020-11-27ip: Sub Address Family types. Feature enable for each SAFINeale Ranns1-0/+8
Type: improvement Signed-off-by: Neale Ranns <neale.ranns@cisco.com> Change-Id: I318424ffa569d9a09187066d6ba15576757c1cf6
2020-04-23ip: Replace Sematics for Interface IP addressesNeale Ranns1-2/+1
Type: feature - replace functions for prefixes attached to interfaces - add ip_interface.[ch] to consoldate the functions Signed-off-by: Neale Ranns <nranns@cisco.com> Change-Id: I9c0c39c09dbf80ea1aadefee02c9bd16f094b6ad
2020-03-17ip: ip_address_t uses ip46_address_tNeale Ranns1-10/+0
Type: improvement type re-use. Signed-off-by: Neale Ranns <nranns@cisco.com> Change-Id: Ic2a2e6babf9ae66a1e53aec53a6cd157e1893dc8
2020-03-03geneve gtpu vxlan vxlan-gpe: VRF-aware bypass nodeNick Zavaritsky1-0/+9
Bypass node MUST NOT intercept a packet if destination IP doesn’t match a local address. However IP address interpretation depends on the VRF, hence bypass node must take that into account. This patch also factors-out common VTEP management and checking code. Type: improvement Signed-off-by: Nick Zavaritsky <nick.zavaritsky@emnify.com> Change-Id: I5665d94882bbf45d15f8da140c7ada528ec7fa94
2020-01-14classify: Reduce the include dependencies on vnet_classify.hNeale Ranns1-1/+0
Type: refactor currently vnet_classify.h is included in ip.h where it's not required. Change-Id: Id55682637601655aa2edda681536a979c8e323bd Signed-off-by: Neale Ranns <nranns@cisco.com>
2019-12-05ip: fix cancel termination after receive malformed ip6 packetjohny1-2/+0
This fix is for cancel termination of vpp after receive malformed packet type of ip6.To avoid termination of vpp are checked if are missing data in packet. This occours, when payload length in ip6 header packet is more than real count of data in packet. When this error occours, packet is ignore. Type: fix Ticket: VPP-1693, VPP-1694 Change-Id: I9d9ecea7b75c8702cb31aa8051c8d4d7ce19659d Signed-off-by: johny <jan.cavojsky@pantheon.tech>
2019-11-12ip: IP address and prefix types (moved from LISP)Neale Ranns1-16/+1
Type: refactor Change-Id: I2c6b59013bfd21136a2955442c779685f951932b Signed-off-by: Neale Ranns <nranns@cisco.com>
2019-10-10tcp: custom checksum calculations for Ipv4/Ipv6Srikanth A1-0/+79
Type: feature Based on the configuration, we can disable checksum offload capability and calculate checksum while pushing the TCP & IP header. This saves some cycles when VPP stack is used in legacy hardware devices. Signed-off-by: Srikanth A <srakula@cisco.com> Change-Id: Ic1b3fcf3040917e47ee65263694ebf7437ac5668 (cherry picked from commit 3642782a2748503f5b5ccf89d1575c1d489948ef)
2019-05-28Punt: socket register for exception dispatched/punted packets based on reasonNeale Ranns1-0/+13
- add to the Punt API to allow different descriptions of the desired packets: UDP or exceptions - move the punt nodes into punt_node.c - improve tests (test that the correct packets are punted to the registered socket) Change-Id: I1a133dec88106874993cba1f5a439cd26b2fef72 Signed-off-by: Neale Ranns <nranns@cisco.com>
2018-10-02Update code to compute checksum for buffer chainsJuraj Sloboda1-1/+1
Compute ICMP checksum for buffer chains Fix checksum function for buffer chains Change-Id: I39b845b94a63c3ab5fc9f6f9ab36cadbc67c104f Signed-off-by: Juraj Sloboda <jsloboda@cisco.com>
2018-03-16QoS recording and markingNeale Ranns1-0/+3
Change-Id: Ie5a50def4ec1e4a3b3404a8b6ab9ec248bc16744 Signed-off-by: Neale Ranns <nranns@cisco.com>
2018-03-01session: zero out ips in local endpoint lookup only if localFlorin Coras1-0/+2
Change-Id: I3425b1533b3d31210166e7b3798685464ad1c489 Signed-off-by: Florin Coras <fcoras@cisco.com>
2017-10-28session: rules tablesFlorin Coras1-0/+10
This introduces 5-tuple lookup tables that may be used to implement custom session layer actions at connection establishment time (session layer perspective). The rules table build mask-match-action lookup trees that for a given 5-tuple key return the action for the first longest match. If rules overlap, ordering is established by tuple longest match with the following descending priority: remote ip, local ip, remote port, local port. At this time, the only match action supported is to forward packets to the application identified by the action. Change-Id: Icbade6fac720fa3979820d50cd7d6137f8b635c3 Signed-off-by: Florin Coras <fcoras@cisco.com>
2017-10-16udp: refactor udp codeFlorin Coras1-0/+1
Change-Id: I44d5c9df7c49b8d4d5677c6d319033b2da3e6b80 Signed-off-by: Florin Coras <fcoras@cisco.com>
2017-10-10session: add support for application namespacingFlorin Coras1-0/+7
Applications are now provided the option to select the namespace they are to be attached to and the scope of their attachement. Application namespaces are meant to: 1) constrain the scope of communication through the network by association with source interfaces and/or fib tables that provide the source ips to be used and limit the scope of routing 2) provide a namespace local scope to session layer communication, as opposed to the global scope provided by 1). That is, sessions can be established without assistance from transport and network layers. Albeit, zero/local-host ip addresses must still be provided in session establishment messages due to existing application idiosyncrasies. This mode of communication uses shared-memory fifos (cut-through sessions) exclusively. If applications request no namespace, they are assigned to the default one, which at its turn uses the default fib. Applications can request access to both local and global scopes for a namespace. If no scope is specified, session layer defaults to the global one. When a sw_if_index is provided for a namespace, zero-ip (INADDR_ANY) binds are converted to binds to the requested interface. Change-Id: Ia0f660bbf7eec7f89673f75b4821fc7c3d58e3d1 Signed-off-by: Florin Coras <fcoras@cisco.com>
2017-09-13Add a name to the creation of an IP and MPLS tableNeale Ranns1-1/+2
Change-Id: I4b4648831551519b2ffb6f93255d28a4b8726c22 Signed-off-by: Neale Ranns <nranns@cisco.com>
2017-09-11replace uint32_t with u32Neale Ranns1-4/+4
Change-Id: I6cab79c266837a8731adcf78c9e093dfa6be0ead Signed-off-by: Neale Ranns <nranns@cisco.com>
2017-09-11FIB table add/delete APINeale Ranns1-0/+7
part 2; - this adds the code to create an IP and MPLS table via the API. - but the enforcement that the table must be created before it is used is still missing, this is so that CSIT can pass. Change-Id: Id124d884ade6cb7da947225200e3bb193454c555 Signed-off-by: Neale Ranns <nranns@cisco.com>
2017-03-01VPP-598: tcp stack initial commitDave Barach1-2/+2
Change-Id: I49e5ce0aae6e4ff634024387ceaf7dbc432a0351 Signed-off-by: Dave Barach <dave@barachs.net> Signed-off-by: Florin Coras <fcoras@cisco.com>
2016-12-28Reorganize source tree to use single autotools instanceDamjan Marion1-0/+195
Change-Id: I7b51f88292e057c6443b12224486f2d0c9f8ae23 Signed-off-by: Damjan Marion <damarion@cisco.com>