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2019-07-03quic: fifo notifications fixAloys Augustin1-0/+1
Add SESSION_IO_EVT_RX handling in session_send_evt_to_thread to allow internal apps to send rx events ("tx notifications") to quic. Add a call to quic_send_packets in quic_custom_app_rx_callback to ensure QUIC ACKs are sent if there is no other activity on the connection. Type: fix Change-Id: I885e01e6475e5b0274f274e9dd34d4a771719e69 Signed-off-by: Aloys Augustin <aloaugus@cisco.com>
2019-06-29svm: rename fifo tx notifications to reflect useFlorin Coras2-3/+3
Type: refactor Change-Id: I651db44acdcb666a9c63e1037352cf88c68795b5 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-06-28session: add half_open_has_fifos for UDPCNathan Skrzypczak4-6/+31
Type: fix Change-Id: Iede83a4e72b88fd55bf56ec0ca71c9196ce743cd Signed-off-by: Nathan Skrzypczak <nathan.skrzypczak@gmail.com>
2019-06-27session: Add transport vft protocol optionsNathan Skrzypczak5-13/+23
Type: refactor Change-Id: I4e0afc206e4871596c2ed8a6ca00914a379f1526 Signed-off-by: Nathan Skrzypczak <nathan.skrzypczak@gmail.com>
2019-06-25tcp: delivery rate estimatorFlorin Coras2-0/+27
Type: feature First cut implementation with limited testing. The feature is not enabled by default and the expectation is that cc algorithms will enable it on demand. Change-Id: I92b70cb4dabcff0e9ccd1d725952c4880af394da Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-06-24session: full lock on session_send_evt_to_threadNathan Skrzypczak1-10/+2
Type: fix This was causing issues in QUIC when an app client & the protocol app compete for the worker msg_queue. Might not be ideal performance- wise. Change-Id: I629892253d5b5d968f31ad1d56f18463e143d6b4 Signed-off-by: Nathan Skrzypczak <nathan.skrzypczak@gmail.com>
2019-06-20quic: remove session flags identifying Q/S sessionsNathan Skrzypczak1-1/+0
Type: refactor Change-Id: Id68c5ae6d57df0fc556bbf583a66e538e641ffb1 Signed-off-by: Nathan Skrzypczak <nathan.skrzypczak@gmail.com>
2019-06-19session: call session_dequeue_notify after svm_fifo_dequeue_dropVladimir Kropylev1-1/+4
Type: fix dequeue_notify callback at app-layer needs to know available space in fifo, so, session_dequeue_notify should be called after svm_fifo_dequeue_drop Change-Id: I136675d29ec32bea9b33a05deb6710f72ce8d5b1 Signed-off-by: Vladimir Kropylev <vladimir.kropylev@enea.com>
2019-06-17session: use listener_handle instead of listener_indexNathan Skrzypczak6-9/+10
Type: refactor Change-Id: I97fa59a0ba0b6b7a98698926020ffffcf6ae6ba3 Signed-off-by: Nathan Skrzypczak <nathan.skrzypczak@gmail.com>
2019-06-12session: use session handles as app listener handlesFlorin Coras5-63/+51
Type: refactor Change-Id: I421750147a8a821bd0b522daf6c2b7239e551f12 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-06-09svm: improve fifo segment showFlorin Coras1-18/+5
Type: refactor Change-Id: I6933205cfb04bc31cabe6e3b1a8044cace93f84c Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-05-25tcp: handle fin+rst in same frameFlorin Coras1-1/+8
Change-Id: Ie7a6c7b92a6beeb356f01384216a4982fb3d420e Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-05-16Add transport_opts to connect_sock bapiNathan Skrzypczak5-6/+26
Needed by QUIC to distinguish Q/Ssessions Change-Id: Idcc9e46f86f54a7d06ce6d870edec1766e95c82d Signed-off-by: Nathan Skrzypczak <nathan.skrzypczak@gmail.com>
2019-05-14QUIC multi thread updateAloys Augustin1-1/+1
* Add support for multiple threads * Replace quicly buffers with fifos * Fix cleanup of sessions * Update quicly release version Change-Id: I551f936bbec05a15703f043ee85c8e1ba0ab9723 Signed-off-by: Nathan Skrzypczak <nathan.skrzypczak@gmail.com>
2019-05-14svm: improve fifo segment prealloc supportFlorin Coras1-3/+8
- track fifo segment free and chunk freelist memory - improve fifo alloc. If there are enough chunks to satisfy a fifo allocation request but not enough free memory, allocate a multi-chunk fifo - add apis to preallocate chunks and fifo headers - more tests Change-Id: If18dba7ab856272c9f565d36ac36365139793e0b Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-05-09session: segment manager fixesFlorin Coras2-2/+4
- fix segment size rounding for 4GB segments - fix initialization of first segment size - cleanup fifo segment info retrieval Change-Id: I5ebf20f71ea797087653e7e76fa2e37b2686ec40 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-05-08session: send tx events when data is dequeuedFlorin Coras4-11/+23
Change-Id: Ib8cb19361c42e38e3f68d7147358378fff161eb1 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-05-07add TLS endpoint functionYu Ping1-5/+6
a bit like QUIC, and the added function can get the endpoint info in TLS, so that the VCL layer can get those info correctly Change-Id: Ied7aa3077087c1814499364dfa7654a088ad9910 Signed-off-by: Yu Ping <ping.yu@intel.com>
2019-05-03session/svm: apis for fifo shrinkingFlorin Coras2-0/+65
Change-Id: Ie519683bb90aae6fb95f2a09e251cded1890ed41 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-04-30svm: more fifo refactor/cleanupFlorin Coras3-16/+15
Change-Id: Ie76c69641c8598164d0d00fd498018037258fd86 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-04-26svm: fifo segment support for chunk allocationFlorin Coras2-2/+26
Change-Id: Ie96706b4d8bcb32d2d5f065bc765f95f4e9369e7 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-04-25session: cleanup segment manager and fifo segmentFlorin Coras8-379/+402
Change-Id: I984f347fb465c0c405cef668d8690457e81788e2 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-04-25session: use teps in accept/connect notificationsFlorin Coras6-48/+40
Change-Id: I58e713661a38cecbfdebd4609292d9d12e880cd2 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-04-24Add get_endpoint in transport vftAloys Augustin5-13/+88
This allows QUIC & TLS specific logic to be implemented, and meaningfull IP/port to be returned when connection is overridden. Change-Id: Id79c59fe4d7b16d36f0e96ad3e281c4026b5fe65 Signed-off-by: Aloys Augustin <aloaugus@cisco.com>
2019-04-24QUIC: Add multi-stream support to internal test appsAloys Augustin3-0/+10
Change-Id: Iab07697ef482529e62c11433cffa1f8f894e5bb7 Signed-off-by: Aloys Augustin <aloaugus@cisco.com> Signed-off-by: Nathan Skrzypczak <nathan.skrzypczak@gmail.com>
2019-04-24session: remove unused fifo allo return valueFlorin Coras3-11/+7
Change-Id: I50a6bcc127e4b44becc4b694bdd3018ac9bfab5c Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-04-18svm: allow indirect fifo data chunksFlorin Coras1-1/+0
Fifos can use multiple memory chunks for simple read/write operations. Adding/removing chunks after assignment not yet supported. Change-Id: I2aceab6aea78059d74e0d3a9993c40d5196d077b Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-04-17session: fix segment manager init conditionFlorin Coras1-1/+1
Change-Id: I0ef3115bd29a11538090c582a4eacdbb7cd86d7a Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-04-17vcl/session: tx notifications for cut-thru sessionsFlorin Coras3-0/+32
Change-Id: I076c753e419bbb177d2d28609190715e9895b398 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-04-16svm_fifo rework to avoid contention on cursizeSirshak Das5-25/+18
Problems Addressed: - Contention of cursize by producer and consumer. - Reduce the no of modulo operations. Changes: - Synchronization between producer and consumer changed from cursize to head and tail indexes Implications: reduces the usable size of fifo by 1. - Using weaker memory ordering C++11 atomics to access head and tail based on producer and consumer role. - Head and tail indexes are unsigned 32 bit integers. Additions and subtraction on them are implicit 32 bit Modulo operation. - Adding weaker memory ordering variants of max_enq, max_deq, is_empty and is_full Using them appropriately in all places. Perfomance improvement (iperf3 via Hoststack): iperf3 Server: Marvell ThunderX2(AArch64) - iperf3 Client: Skylake(x86) ~6%(256 rxd/txd) - ~11%(2048 rxd/txd) Change-Id: I1d484e000e437430fdd5a819657d1c6b62443018 Signed-off-by: Sirshak Das <sirshak.das@arm.com> Reviewed-by: Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>
2019-04-16QUIC: Initial multi stream supportAloys Augustin1-0/+1
To connect a stream, apps should call connect while passing the id of the QUIC connection in the new transport_opts field in session_endpoint_cfg_t. Apps are notified of new streams with their accept callback, which is called each time a peer opens a stream. Change-Id: I0f82ec344db58008d54641553eddec2973768435 Signed-off-by: Aloys Augustin <aloaugus@cisco.com>
2019-04-16Allow sessions to be allocated in app's RX callbacksAloys Augustin1-3/+11
This enables applications to create sessions in their RX callbacks, which can invalidate the session pointer. This is required for the QUIC protocol implementation. Change-Id: I6072c1c368fd9d17a960ec086a788089dd6f54b4 Signed-off-by: Aloys Augustin <aloaugus@cisco.com>
2019-04-12session: drop lock on segment allocation errorFlorin Coras1-12/+9
Change-Id: Ib346570daa3e40f4f53100a05e9355ce60d533a4 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-04-10session: binary api app names as vectorsFlorin Coras1-2/+2
Change-Id: Iae358365de8ccbc0441b14f21ba6b365cbfec09a Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-04-09session: fix session flagsFlorin Coras2-5/+2
Change-Id: I681169b82c661b7f0bf19f09d07d76ac1d3ed173 Signed-off-by: Aloys Augustin <aloaugus@cisco.com> Signed-off-by: Nathan Skrzypczak <nathan.skrzypczak@gmail.com> Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-04-08fixing typosJim Thompson1-1/+1
Change-Id: I215e1e0208a073db80ec6f87695d734cf40fabe3 Signed-off-by: Jim Thompson <jim@netgate.com>
2019-04-05session: fix app name formattingFlorin Coras1-2/+2
Change-Id: Iea88ce5f6628e131e507ba45a3dbb2de7e6c1498 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-04-05tcp: do not delete session on establish popFlorin Coras2-2/+25
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>
2019-04-03session: fix cli for sessions in created stateFlorin Coras1-1/+2
Change-Id: Ie154afdc20000b905ff71e39823154db4d23eea4 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-04-03session: do not enable pre-input node with 0 workersFlorin Coras1-0/+3
Change-Id: I5c9e27b664ff1a8a74a6c1388f98af63571db7a5 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-04-02session: remove session logic from io rx evt senderFlorin Coras1-6/+1
Change-Id: I54fff6986ea6455aff25e0cf1b83117860859e10 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-04-02session: use app cb function wrappersFlorin Coras5-13/+16
Change-Id: I77ad9eb4d4c7699397aa4be6a973ef37c60db4c5 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-04-02tcp: improve rcv process ack processingFlorin Coras2-1/+8
- Avoid doing cc in closing states. - Rest connections closed with unread data Change-Id: I97d46b0459f03ea5439eeb0f233b6c17d3e06dfd Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-03-29Integrate first QUIC protocol implementationNathan Skrzypczak5-3/+25
Currently supports on single stream exposed through standard internal APIs Based on libquicly & picotls by h2o Change-Id: I7bc1ec0e399d1fb02bfd1da91aa7410076d08d14 Signed-off-by: Nathan Skrzypczak <nathan.skrzypczak@gmail.com>
2019-03-28session: remove unused tx context fieldFlorin Coras1-1/+0
Change-Id: I4a119937842eb188f5e5a7706cbe70e91ae4def8 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-03-28session: cap max burst to a constantFlorin Coras1-17/+2
Change-Id: I1919d3844936486f04f2bfde24dc7e0d9121927a Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-03-25UDP: Fix session registration in lookup tableAloys Augustin1-0/+4
This fixes a bug where packets could be sent but not received when opening an UDP connection. Change-Id: I0993dd806b277374232d551167970ab13a62dbf9 Signed-off-by: Aloys Augustin <aloaugus@cisco.com>
2019-03-25Fix unformat proto UDPC / UDP conflictNathan Skrzypczak1-4/+4
Change-Id: I9161959536c37f6f730650c9c0058a41af8e7001 Signed-off-by: Nathan Skrzypczak <nathan.skrzypczak@gmail.com>
2019-03-21session/fifo: make event unset atomicFlorin Coras1-4/+6
Ensures that fifo cursize loads cannot be speculated to before the event unset. Change-Id: Ia7c20c510d58f26a8e9b82d3982c6d4143a3a4d6 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-03-18session: add session flagsFlorin Coras5-24/+17
- use flag instead of enqueue_epoch for enqueueing rx events. - use flag for proxy sessions Change-Id: Iec3eee55a68d02536ece6329348a3369c7c7412e Signed-off-by: Florin Coras <fcoras@cisco.com>