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2020-11-25tcp: enable lc if any other debug option enabledFlorin Coras2-11/+34
Also fix debug build after snd_una_nxt removal. Type: fix Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: Ife52689cd30cdebf36057cf4d20d7f6207f1e29e
2020-11-12tcp: push last buffered sequenceFlorin Coras2-6/+7
Type: improvement Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: Iba914ac69585e89f174f09e74ae716df1b080c59
2020-11-11tcp: validate fin seq in closing statesFlorin Coras1-0/+3
Type: fix Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: Id8673cff699cfdc1ac68797b9ab5cdf6f6b578a3
2020-11-10tcp: fix test for trailing bytesFlorin Coras1-1/+1
Type: fix Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I6455f2d38a2927f16fd4cb0e26b8560a2357cebe
2020-11-09session: delegate fifo ooo lookup init to transportsFlorin Coras1-0/+3
Fifo chunk ooo lookup data structures are private (not allocated on segment heap) and should only be initialized by transport protocols that require out-of-order enqueues/dequeues (like tcp). Type: improvement Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: Iaa15d6850385bf903cc501c54c2752e8e811449e
2020-11-05tcp: avoid consuming trailing bytesFlorin Coras1-0/+4
Thanks to Shaligram Prakash <Shaligram.Prakash@enea.com> for reporting. Type: fix Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I135d23957a0dbb56a30994dfe3a316efd1eabad1
2020-10-28misc: Break the big IP header files to improve compile timeNeale Ranns1-0/+2
Type: refactor Signed-off-by: Neale Ranns <neale.ranns@cisco.com> Change-Id: Id1801519638a9b97175847d7ed58824fb83433d6
2020-10-26tcp: byte tracker fixRyujiro Shibuya1-1/+5
Type: fix Signed-off-by: Ryujiro Shibuya <ryujiro.shibuya@owmobility.com> Change-Id: If7e22978a6b65f5b68ccb2bd97b5e0fba167b3bf
2020-10-23tcp: remove snd_una_maxFlorin Coras7-22/+15
Type: improvement Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I03f923053499f219035c9b7b6640fc575568d474
2020-10-23tcp: remove force retransmit timer updateFlorin Coras2-17/+8
Also simplify condition for detecting unintended timer pops. Type: improvement Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I8b120dfc2d16e40ee865240dbc9667708cd1c808
2020-10-23tcp: remove delack time configFlorin Coras2-4/+0
Type: refactor Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: Iae5045686c62ad9279be350cffeaa41b8297d179
2020-10-22tcp: no send space in timer recoveryFlorin Coras1-1/+4
Type: fix Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I9461b6539c504ca844c25d04abe95929f842e4e9
2020-10-21tcp: updating time constans as timer tick changedRyujiro Shibuya2-15/+17
Type: fix Signed-off-by: Ryujiro Shibuya <ryujiro.shibuya@owmobility.com> Change-Id: Ibe305b96f04ffdc95ddb07d144dc00119ae69a07
2020-10-21gso: remove dependency on tcp proto implementationFlorin Coras2-1/+1
Type: improvement Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I3af84e968c38df0452746729dcb722d48fa438fb
2020-10-13tcp: fix bt acked_sacked on recoveryFlorin Coras1-2/+3
Type: fix Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I2e2d76661fbb07dd8c6afa3583bb18e01b7a7fb6
2020-10-13tcp: fix listener trace coverity warningFlorin Coras1-6/+2
Type: fix Change-Id: I75c0bd862260e188f625271c3bd545a7ab37af5d Signed-off-by: Florin Coras <fcoras@cisco.com>
2020-10-12tcp: use 100us timer resolutionFlorin Coras1-4/+4
Experimental reduction of tcp timer resolution from 100ms that allows for finer grained timers, if needed. Please report issues if any encountered. Type: improvement Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I4050f7691aa7365b77298b4427408a4a447834fa
2020-10-12tcp: fix connection reuse with no listenerFlorin Coras1-0/+6
Type: fix Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I674872f68406ac778779a68d3ad991f41765d4e2
2020-10-08tcp: treat pending timers as activeFlorin Coras3-3/+4
Type: fix Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: Ic63af51fab8dbefe79439554ea563f20e3788afa
2020-10-08tcp: custom geometry for timer wheelFlorin Coras4-25/+82
Type: refactor Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I04f992e5d91d21f1e5bbafef070478cfe268d94a
2020-09-24session tcp udp tls quic: improve cli formattingFlorin Coras2-4/+6
Type: improvement Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: Iae5dbb8aaaf82d8e95c2ee8bbbe6844c9dd49f80
2020-09-16tcp: make max gso packet size configurableSimon Zhang3-2/+8
Type: improvement Signed-off-by: Simon Zhang <yuwei1.zhang@intel.com> Change-Id: I14de90f07d825c5c99023996a88173ee855e9a6f
2020-09-02tcp: fix connection refused errorFlorin Coras1-1/+1
Type: fix Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I436741e061f11685980a71fb3989befc7af1e081
2020-08-20tcp: track reorder with sacksFlorin Coras6-38/+61
Type: feature Change-Id: I041bff2e8d589c171661de286fa1503531dff891 Signed-off-by: Florin Coras <fcoras@cisco.com>
2020-08-06misc: harmonize namesDave Barach1-14/+15
Type: fix Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: Ibad744788e200ce012ad88ff59c2c34920742454
2020-08-03tcp: improve timestamp rtt accuracyFlorin Coras6-43/+38
- switch to using vlib_time as reference for timestamps - use us precision ticks for tcp but keep using ms precision for timestamps. As a result, srtt, rttvar and rto are now measured in us instead of ms. MRTT samples from timestamps are converted from ms to us (not accurate under ms) while high precision samples are used with us precision, i.e., they're no longer converted to ms precision samples. Type: improvement Change-Id: Ibda559575d9b4fdc85b0985264f7c865ff367e34 Signed-off-by: Florin Coras <fcoras@cisco.com>
2020-07-30tcp: process syn in fin-wait-2Florin Coras1-0/+1
Type: improvement Change-Id: I379ba4270dad56fb0a06427a43e97bed36bdaa13 Signed-off-by: Florin Coras <fcoras@cisco.com>
2020-07-29tcp: fix skipping RSTs in SYN_SENT stateIvan Shvedunov1-0/+1
Type: fix Signed-off-by: Ivan Shvedunov <ivan4th@gmail.com> Change-Id: Ieddf8f03fdd14e71efaf4c78fe5b7f0d15c5cf5a
2020-07-29tcp: process syn in close-waitFlorin Coras1-0/+1
Type: improvement Change-Id: I0cafe08d21e02094dda203c5eb60601b5953425d Signed-off-by: Florin Coras <fcoras@cisco.com>
2020-07-27tcp: fix tcp_connection_cleanup() with uninitialized elogIvan Shvedunov1-3/+7
This fixes TCP connection cleanup crash when TCP debugging is enabled. It could happen if session_stream_accept() returned an error. Type: fix Signed-off-by: Ivan Shvedunov <ivan4th@gmail.com> Change-Id: I0df08969d82bb0f44def81b9e47195bd15502831
2020-07-24tcp: fix synack elog crashFlorin Coras1-2/+3
The elog track, if enabled, must be initalized before synack is sent. Type: fix Signed-off-by: Ivan Shvedunov <ivan4th@gmail.com> Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I0c585f466c9a5cbc13af971ae4951b93f9913c5f
2020-07-23tcp: track pending timersFlorin Coras6-42/+10
Also removes delack timer and reuses the u32 for the pending timers list. Type: fix Ticket: VPP-1923 Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I4edbb72d5b2aa5e14f87659f49e675af1e834aca
2020-07-07tcp: round down rcv wnd even if avoiding retractionFlorin Coras1-13/+9
Type: improvement Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I7fb3a4a2ffc4c5f42aa043e3a317b52d7767fb81
2020-07-02tcp: fix coverity warningFlorin Coras1-2/+2
Type: fix Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I60828bc084b9adbb925c306d26060412c410c516
2020-07-02tcp: cli to dump half-open connectionsFlorin Coras1-0/+104
Type: improvement Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: Idf7e483de0afc95a7579145fb16689e1853b10f9
2020-06-30tcp: avoid rcv wnd more than RX fifo can enqueueRyujiro Shibuya1-7/+6
Type: fix Signed-off-by: Ryujiro Shibuya <ryujiro.shibuya@owmobility.com> Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: Ie358b731f8ecb1fcaebd6e79f5ce5c10802c2814
2020-06-08tcp: improve rtt estimation with rate samplingFlorin Coras1-18/+29
Type: improvement Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I25043da84b2f2b3f37024ecfedac535df3004ea5
2020-05-25tcp: fix sack block validation on wrapFlorin Coras1-1/+3
Type: fix Fixes: 487507f Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: Ia9813ae09d14111dc8edac0fa6ab082e13ab6e2e
2020-05-24tcp: track buffer alloc failuresFlorin Coras2-3/+21
Reported as part of "show tcp stats" Type: improvement Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I499ab4e41d13aaf1a0d060e37f09087e63d09567
2020-05-15misc: removed executable bits from source filesRay Kinsella2-0/+0
Identified and removed executable bit from source files in the tree. find . -perm 755 -name *.[ch] -exec chmod a-x {} \; Type: improvement Signed-off-by: Ray Kinsella <mdr@ashroe.eu> Change-Id: I00710d59fcc46ce5be5233109af4c8077daff74b
2020-05-14tcp: fix bogus time update due to missing castFlorin Coras1-1/+2
Type: fix Seems clang needs explicit casting to u64 of u64 and f64 multiplication before truncating to u32 Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: Ib0d7a33d4c5e68577e401e854fc3e55e0723da93
2020-05-12tcp: avoid rcv wnd less than mssFlorin Coras1-6/+4
Type: fix Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I84ec1c91a3a7b2195aad58923fa6f17f551444cb
2020-05-04tcp: fix max tx sack blocks upper boundFlorin Coras1-1/+1
Type: fix Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I70c63db91c3512fb724bba4762e3ca1e369ca421
2020-04-30tcp: fix v6 ll lookup fibFlorin Coras1-1/+1
Type: fix Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: Ie4b2bca3b6b0ca6097152aab232991ca7935e442
2020-04-28vlib: add ASSERT to vlib_time_now(...)Dave Barach1-1/+2
Calling vlib_time_now (&vlib_global_main) from a worker thread is a bad mistake. ASSERT (vm->thread_index == __os_thread_index) will catch it. Type: improvement Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: I55af6de84e06143f8f43adc62103b77267a7a441
2020-04-28tcp: remove sack reneging verbose loggingFlorin Coras1-2/+0
Type: improvement Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I4dbbf8456d0ed2350459fcdc0664bbae024072fc
2020-04-22tcp: avoid bt sample access after possible pool reallocFlorin Coras1-6/+6
Type: fix Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I98f943c8862fa74fb576f9ec1fb9186289b1216b
2020-04-22tcp: fix use-after-freeBenoît Ganne1-1/+5
bts can be freed by the call to bt_fix_overlapped(). Save flags for later use. Type: fix Change-Id: If8b48c96ce39e38f2ed7f4db2815122523eb2e05 Signed-off-by: Benoît Ganne <bganne@cisco.com>
2020-04-17tcp: cubic as default cc algorithmFlorin Coras1-1/+1
Type: improvement Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I48ce827966667a767440149769eb1b24616ce4c1
2020-04-17session tcp: track half open in app wrkFlorin Coras2-10/+26
Type: improvement Do extra checks when establishing an active connect and cleanup pending connects if application detaches. Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: Ibe9349db57b313ba2aa5ea3960ef5cf755f5098a