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2017-04-25Session/tcp coverity fixesFlorin Coras1-5/+4
Change-Id: Ic5467df16e870b49c49678b1dbb40f4a2390b3c9 Signed-off-by: Florin Coras <fcoras@cisco.com>
2017-04-25Add sack tx unit testFlorin Coras1-2/+141
Change-Id: Ib91db6e531231bdc52b0104673a912bee024872f Signed-off-by: Florin Coras <fcoras@cisco.com>
2017-04-24Debug CLI to magically create / delete a TCP sessionDave Barach1-3/+66
The session ends up in established state, and is hand-crafted to look like it was created by the builtin_server. This will come in handy for injecting packets into tcp46-established, along with ancillary debug CLI to adjust connection parameters. Immediate applications include screwball window cases, out of order segments, paws checking, and so on and so forth. Debug CLI script: loop create set int ip address loop0 6.0.1.1/8 set int state loop0 up set ip arp loop0 6.0.1.2 feed.face.babe test tcp server test tcp session packet-generator new { name tcp limit 1 node ip4-input size 100-100 interface loop0 no-recycle data { TCP: 6.0.1.2 -> 6.0.1.1 TCP: 11234 -> 1234 ACK window 2000 seqnum 0 acknum 0 incrementing 100 } } Change-Id: I866c2159376064b7d14f70531022c1fe949258c2 Signed-off-by: Dave Barach <dave@barachs.net>
2017-04-24Session layer improvementsFlorin Coras1-23/+20
Among others: - Moved app event queue to shared memory segment - Use private memory segment for builtin apps - Remove pid from svm fifo - Protect session fifo (de)allocation - Use fifo event for session disconnects - Have session queue node poll in all wk threads Change-Id: I89dbf7fdfebef12f5ef2b34ba3ef3c2c07f49ff2 Signed-off-by: Florin Coras <fcoras@cisco.com>
2017-04-19Add more svm fifo unit testsFlorin Coras1-59/+246
Change-Id: Ifc07b3f90ac155c26c3a216e073b474b499ebd44 Signed-off-by: Florin Coras <fcoras@cisco.com>
2017-04-18Fix fifo ooo bugs and improve testingDave Barach1-45/+471
Change-Id: If3c01e318bcb740ca5b240c63f712e2167082a80 Signed-off-by: Dave Barach <dave@barachs.net> Signed-off-by: Florin Coras <fcoras@cisco.com>
2017-04-13Session layer refactoringFlorin Coras1-3/+124
Major refactoring of the session layer api - Add attatch api for application binding to the the session layer - Simplify listen/connect calls - Update application CLI - Add transport endpoint to accept callback - Associate segment manager to application and allow for multiple binds/connects per app Additional: - svm fifo cleanup - add fifo free, format fns - add fifo offset enqueue unit test Change-Id: Id93a65047de61afc2bf3d58c9b544339c02065af Signed-off-by: Florin Coras <fcoras@cisco.com> Signed-off-by: Dave Barach <dave@barachs.net>
2017-03-27TCP/session improvementsFlorin Coras1-0/+216
- 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>