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2017-04-02TCP cc/window management fixes and debuggingFlorin Coras4-13/+61
- 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 Coras7-89/+165
- 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 Coras5-35/+108
- 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>
2017-03-10VPP-659 TCP improvementsFlorin Coras9-92/+174
- builtin test echo server - fix SYN-ACK retransmit canceling - avoid sending spurious ACK if in LAST_ACK - improved client dummy test app - renamed tx fifo dequeuing and sending functions to avoid confusion - improved RST handling Change-Id: Ia14aad3df319540dcf6e6a4e18a9f8d423a4b83b Signed-off-by: Florin Coras <fcoras@cisco.com> Signed-off-by: Dave Barach <dave@barachs.net>
2017-03-07Register TCP with IP only if session is enabledFlorin Coras1-1/+4
Change-Id: I73154179e78aeae5f879125237bce593d0978fae Signed-off-by: Florin Coras <fcoras@cisco.com>
2017-03-07fix uninitialized ip6 keys within session.cGabriel Ganne1-0/+8
fix for functions: - stream_session_lookup_listener6 - stream_session_lookup6 - stream_session_lookup_transport6 - stream_session_connect_notify eg. ~/vpp/build-data/../src/vnet/session/session.c: In function 'stream_session_lookup_listener6': ~/vpp/build-data/../src/vnet/session/session.c:222:17: error: 'kv6.key[3]' is used uninitialized in this function [-Werror=uninitialized] session_kv6_t kv6; ^ ~/vpp/build-data/../src/vnet/session/session.c:222:17: error: 'kv6.key[2]' is used uninitialized in this function [-Werror=uninitialized] ~/vpp/build-data/../src/vnet/session/session.c:222:17: error: 'kv6.key[5]' is used uninitialized in this function [-Werror=uninitialized] ~/vpp/build-data/../src/vnet/session/session.c:222:17: error: 'kv6.key[4]' is used uninitialized in this function [-Werror=uninitialized] Change-Id: I221cafbaf4effa43662ffcc7bf5f9581e28f9db9 Signed-off-by: Gabriel Ganne <gabriel.ganne@enea.com>
2017-03-04Cleanup URI code and TCP bugfixingFlorin Coras9-66/+278
- Add CLI/API to enable session layer, by default it's disabled - Improve rcv wnd computation - Improvements to tx path - URI code cleanup - Builtin test tcp server - Improve src port allocation Change-Id: I2ace498e76a0771d4c31a8075cc14fe33d7dfa38 Signed-off-by: Florin Coras <fcoras@cisco.com>
2017-03-01VPP-598: tcp stack initial commitDave Barach13-0/+4940
Change-Id: I49e5ce0aae6e4ff634024387ceaf7dbc432a0351 Signed-off-by: Dave Barach <dave@barachs.net> Signed-off-by: Florin Coras <fcoras@cisco.com>