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2017-05-18Improve sack bytes accounting and testingFlorin Coras1-14/+0
Change-Id: Iabeda0d0615b0f6fe20dd00611cb4c594d90b7eb Signed-off-by: Florin Coras <fcoras@cisco.com>
2017-05-01TCP ooo reception fixesFlorin Coras1-2/+4
- Improve svm fifo handling of out-of-order segments - Ensure tsval_recent is updated only if rcv_las falls withing the segments's sequence space - Avoid directly dropping old ACKs - Improve debugging Change-Id: I88dbe2394a0ad7eb389a4cc12d013a13733953aa Signed-off-by: Florin Coras <fcoras@cisco.com>
2017-04-25Add sack tx unit testFlorin Coras1-0/+12
Change-Id: Ib91db6e531231bdc52b0104673a912bee024872f Signed-off-by: Florin Coras <fcoras@cisco.com>
2017-04-24Debug CLI to magically create / delete a TCP sessionDave Barach1-1/+2
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>
2017-04-18Fix fifo ooo bugs and improve testingDave Barach1-1/+1
Change-Id: If3c01e318bcb740ca5b240c63f712e2167082a80 Signed-off-by: Dave Barach <dave@barachs.net> Signed-off-by: Florin Coras <fcoras@cisco.com>
2017-03-01VPP-598: tcp stack initial commitDave Barach1-0/+136
Change-Id: I49e5ce0aae6e4ff634024387ceaf7dbc432a0351 Signed-off-by: Dave Barach <dave@barachs.net> Signed-off-by: Florin Coras <fcoras@cisco.com>