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2020-04-13session: cleanup debug codeFlorin Coras1-68/+77
Type: refactor Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: Ie6c03195019fe18c547b22f4387d7f2b14b71461
2020-04-13session: adding debug eventsSrikanth Akula1-0/+126
Type: feature Enhancing the debugging capability of tcp session layer by measing time spent for various events. This is meant only for debugging purpose Signed-off-by: Srikanth Akula <srakula@cisco.com> Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I9f401881b345bcae5f7d8050338637fd47b3723b Signed-off-by: Srikanth Akula <srakula@cisco.com>
2019-10-31session: fix dispatch event loggingFlorin Coras1-16/+27
Type: fix Change-Id: Icf3c73cd7eb7565ed6e1b0371da172b5408a9d36 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-07-19session: improve event loggingFlorin Coras1-28/+38
Type:feature Change-Id: I67a52ee48963a66915e2ebd116626eb9c296a9a5 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-04-05tcp: do not delete session on establish popFlorin Coras1-0/+17
Also: - force reset if wait close pops in fin-wait-1 with unsent data - adds more event logging. Change-Id: I4ddada046214fa71e17514cdec57b3026f84a283 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-02-04session: cleanup part 1Florin Coras1-1/+1
Rename core data structures. This will break compatibility for out of tree builtin apps. - stream_session_t to session_t - server_rx/tx_fifo to rx/tx_fifo - stream_session.h to session_types.h - update copyright Change-Id: I414097c6e28bcbea866fbf13b8773c7db3f49325 Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-06-19tcp: optimize tcp outputFlorin Coras1-2/+29
Change-Id: Idf17a0633a1618b12c22b1119e40c2e9d3192df9 Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-04-30tcp/session: debug improvements/fixesFlorin Coras1-13/+9
Change-Id: I906e58b4f9827a79a6ab673f8fa2e03036c69820 Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-03-02session: first approximation implementation of tlsFlorin Coras1-1/+1
It consists of two main parts. First, add an application transport type whereby applications can offer transport to other applications. For instance, a tls app can offer transport services to other applications. And second, a tls transport app that leverages the mbedtls library for tls protocol implementation. Change-Id: I616996c6e6539a9e2368fab8a1ac874d7c5d9838 Signed-off-by: Florin Coras <fcoras@cisco.com>
2017-10-16session: fix build when debugging is onFlorin Coras1-1/+1
Change-Id: I193832a0cd0557fffc034a1223f67fa64a4d45ae Signed-off-by: Florin Coras <fcoras@cisco.com>
2017-10-10session: add support for application namespacingFlorin Coras1-7/+10
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>
2017-04-02TCP cc/window management fixes and debuggingFlorin Coras1-3/+29
- added persist timer - update rcv_las whenever sending an ack - moved fifo size to its own cache line - improved session and builtin client debugging Change-Id: Ia649cf942cf0c061a713e8b67f0eb6974a6cd55b Signed-off-by: Florin Coras <fcoras@cisco.com> Signed-off-by: Dave Barach <dave@barachs.net>
2017-03-27TCP/session improvementsFlorin Coras1-4/+34
- Added svm fifo flag for tracking fifo dequeue events (replaces event length). Updated all code to switch to the new scheme. - More session debugging - Fix peek index wrap - Add a trivial socket test client - Fast retransmit/cc fixes - tx and rx SACK fixes and unit testing - SRTT computation fix - remove dupack/ack burst filters - improve ack rx - improved segment rx - builtin client test code Change-Id: Ic4eb2d5ca446eb2260ccd3ccbcdaa73c64e7f4e1 Signed-off-by: Florin Coras <fcoras@cisco.com> Signed-off-by: Dave Barach <dbarach@cisco.com>
2017-03-13VPP-659 Improve tcp/session debugging and testingFlorin Coras1-0/+86
- event-logging support for tcp and session layer - improvements to uri test code - builtin_server on port 1234 - use the CLOSEWAIT timer when we rx FIN in FIN_WAIT_2 state Change-Id: Ibc445f164b2086b20323bf89c77cffd3059f570f Signed-off-by: Florin Coras <fcoras@cisco.com> Signed-off-by: Dave Barach <dbarach@cisco.com> Signed-off-by: Dave Barach <dave@barachs.net>