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2020-11-19vcl: stop tracking vpp event queues and thread indexFlorin Coras1-1/+0
Type: improvement Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: Icbee02a39650bc792532adc714bcf4f47f3fbe59
2020-10-20vcl: more session struct cleanupFlorin Coras1-1/+1
Type: improvement Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I8e466e789c860caaa55f67095a57fc6ab670f32b
2020-10-20vcl: convert vep variables into flagsFlorin Coras1-2/+3
Type: improvement Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: Ief017abc4879bc928746d9f5b9d2cfe04da89bd3
2020-10-15vcl: refactor session state enumFlorin Coras1-10/+10
Only allow one state instead of using flags. Type: improvement Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I08ffccbf8c3f6e2f61533996bb36c799cbc931e7
2020-09-14vcl: cleanup bapi and wrk registrationFlorin Coras1-20/+6
Type: refactor Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I0391db5c3ad038265cb8ebf9de02925653e35959
2020-08-26vcl: fix duplicated key of session_index_to_vlsh_table in multiplehanlin1-11/+21
threads vcl workers scenario Type: fix In multiple threads vcl workers scenario, multiple vcl workes can create sessions with same index. Because only one vls worker created, key of session_index_to_vlsh_table is duplicated. Signed-off-by: hanlin <hanlin_wang@163.com> Change-Id: I7e1f5bc471adc5378194452aef85e611f5d0df1d
2020-08-12vcl: mt detection and cleanupFlorin Coras1-60/+100
Type: improvement Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I521c110fd4d7445bd585c96d4c768f16a0a7d3b8
2020-08-12vcl: support multi-threads with session migrationhanlin1-16/+229
Currently, mutlti-threads only support one dispatch thread and multiple worker threads, eventually only dispatch thread is a vcl worker and can interact with epoll. This patch will register all threads as vcl worker, and then each thread can interact with epoll now. Moreover, session migration also supported, such as socket created in thread A and used (bind, connect and etc.) in thread B. Type: feature Signed-off-by: hanlin <hanlin_wang@163.com> Change-Id: Iab0b43a33466968c1423d7d20faf1460c8589d91
2020-08-11vcl: support inter worker rpcFlorin Coras1-30/+113
Type: feature Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I664cd14c84fc5cf2ffe61efce99c95219b44fad7
2020-05-20vcl: nest vcl_mq_epfd to support epoll_wait without high CPU usagehanlin1-0/+6
Now, libc epfd and vls epfd are independent and can only epoll_wait independently without timeout, then app calling epoll_wait will occupy high CPU. So we nest vcl_mq_epfd into libc epfd when using eventfd with VPP, and then we can only epoll_wait libc epfd with specified timeout. Type: feature Signed-off-by: hanlin <hanlin_wang@163.com> Change-Id: I6b6e0f501c769e186714bfbc187cfaed2533b4c2 Signed-off-by: hanlin <hanlin_wang@163.com>
2020-03-07vcl: fix coverity warningFlorin Coras1-2/+2
Type: fix Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I35fba8f17bdd6e2f5612358608ff6c13f4b431fe
2020-03-06vcl: refactor vls to minimize lock usageFlorin Coras1-104/+416
Type: refactor - per vls worker private pool of sessions - deep copy of vls worker data structures on fork - maintain a global, i.e., heap allocated, and lock protected pool of elements that track sessions that are shared between workers (due to forking). Credit for uncovering the issue goes to Intel team contributing code to VSAP (Ping, Yuwei, Shujun, Guoao). Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: Id7d8bb06ecd7b03e4134f1cae23e740cf4634649
2019-08-27session: move ctrl messages from bapi to mqFlorin Coras1-1/+1
Type:refactor Moves connect, disconnect, bind, unbind and app detach to message queue from binary api. Simplifies app/vcl interaction with the session layer since all session control messages are now handled over the mq. Add/del segment messages require internal C api changes which affect all builtin applications. They'll be moved in a different patch and might not be back portable to 19.08. Change-Id: I93f6d18e551b024effa75d47f5ff25f23ba8aff5 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-05-09vls: relax copy on fork locksFlorin Coras1-2/+2
Change-Id: I08cb7180364a5ef8444c9895c6d4f4842661b2a7 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-03-29vls: add pthread check on vls_attrFlorin Coras1-1/+7
Change-Id: I455d108dfe52d45d040167fecb37b33e9d630c3c Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-03-08session/tcp/vcl: fixes and optimizationsFlorin Coras1-0/+3
Change-Id: Idc7dfe743399dd8dee0f6b3ec83f194f3fca580b Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-02-22session/vcl: fix coverity warningsFlorin Coras1-0/+1
Change-Id: I9b0e6d65255e516cf5bf18757d4769176ef76e92 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-01-30vls: support passive listenersFlorin Coras1-70/+236
If an application worker calls listen on a session, vpp registers the worker to the listener's work load balance group and, as new connections are accepted, it may potentially push accept notifications to it. There are however applications, like nginx, that on some workers may never accept new connections on a session they've started listening on. To avoid accumulating accept events on such workers, this patch adds support for passive listeners. That is, workers that have started listening on a session but then never call accept or epoll/select on that listener. Change-Id: I007e6dcb54fc88a0e3aab3c6e2a3d1ef135cbd58 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-01-29vls: multi-process and multi-threaded apps improvementsFlorin Coras1-39/+254
- More fine tuning for multi-process applications. - Experimental support for multi-thread apps. This is meant for app whose threads are not vcl workers and the sessions are shared between them. Change-Id: Ie07651da5f2cdcf39f5dead5431f50ad39cf3f74 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-01-18vcl: move forking logic to vlsFlorin Coras1-6/+236
Change-Id: I721542aca139d7908a4f917629856f82cae79962 Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-01-07vcl/ldp: add locked sessions shim layerFlorin Coras1-0/+457
Moves LDP logic that allows sharing of sessions between multi-process app workers into a separate VCL shim layer. Also refactors LDP to use the new layer. Change-Id: I8198b51eae7d099a8c486e36b29e3a0cb8cee8e9 Signed-off-by: Florin Coras <fcoras@cisco.com>