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Change-Id: I984f347fb465c0c405cef668d8690457e81788e2
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: I58e713661a38cecbfdebd4609292d9d12e880cd2
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: I076c753e419bbb177d2d28609190715e9895b398
Signed-off-by: Florin Coras <fcoras@cisco.com>
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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>
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Change-Id: Ida3ecffc9a4d7a080ad63cd48fd4b5330b732ffb
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: I048276fd26e6e079ce31b9aeb1265f5d929f8540
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: Idc7dfe743399dd8dee0f6b3ec83f194f3fca580b
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: Iad119e05ae5e570fbfcf66747c95822cee647c99
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Avoids derefrencing fifo pointers whose segments could have been
unmapped.
Change-Id: Ifb0b7399e424f145f3f94b769391a6f4e31bb4e6
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Instead of allocating pairs of message queues per cut-thru session and
having the applications map them, this uses vpp as an io event message
switch.
Change-Id: I51db1c7564df479a7d1a3288342394251fd188bb
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: I49a95c4e2eb17e5a6ab514dde2505294a4c01353
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: I68cd6c0e6be3e8088792df3885ae190bb00462b0
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Rename core data structures. This will break compatibility for out of
tree builtin apps.
- stream_session_t to session_t
- server_rx/tx_fifo to rx/tx_fifo
- stream_session.h to session_types.h
- update copyright
Change-Id: I414097c6e28bcbea866fbf13b8773c7db3f49325
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: Ie01a37612d7e3e0d0bad0f0aa9583b3ed411f46f
Signed-off-by: Florin Coras <fcoras@cisco.com>
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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>
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- 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>
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This only works if vcl is configured to do eventd based message queue
notifications, instead of condvars. For that, add "use-mq-eventfd" to
vcl startup conf.
Change-Id: Id0f0288a40ec7d3daef7370f8b88420425867ab6
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: I2ad54b20b96f10b009c3e651b2a2f885577ca5b6
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: I6e96607f09c18755eead2c7099e1f546bdae7b88
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: I721542aca139d7908a4f917629856f82cae79962
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: Ied476c417c8ba5b4d7c615125c36eecd9ca64fbc
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: I640e69388f2ab0f66ad60c5165c749f5a5a9f525
Signed-off-by: Florin Coras <fcoras@cisco.com>
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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>
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In case of multi process apps, after forking, the parent may decide to
close part or all of the sessions it shares with the child. Because the
sessions have fifos allocated in the parent's segment manager, they must
be moved to the child's segment manager.
Change-Id: I85b4c8c8545005724023ee14043647719cef61dd
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Ater this patch, vcl_test_client and vcl_test_server can work happily with
TLS connection.
"-S" is to indicate TLS connection.
Change-Id: I761894b0b5929912691625f0fe63604725b55978
Signed-off-by: Ping Yu <ping.yu@intel.com>
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* u32/u64/uword mismatches
* pointer-to-int fixes
* printf formatting issues
* issues with incorrect "ULL" and related suffixes
* structure alignment and padding issues
Change-Id: I70b989007758755fe8211c074f651150680f60b4
Signed-off-by: David Johnson <davijoh3@cisco.com>
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Change-Id: I882b4c495426551fad63372dc106496c5e8c141e
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Allows app to push data. Additionally, ensure reset/close replies are
not sent unless vcl closes the session.
Change-Id: Icbbf933cf57b55cfbcc7b802af0f83919a066f65
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: I62d37f3c05451e5667863a2c6c551872d5dac1ea
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: I24445b08a46041c370094ebba4243422e2342a26
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: I73d1dde5b78bbb7835f3a4f0d35fc0d5e46ec103
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Also further improves reset handling.
Change-Id: I6e517632f700f181761726b965134e0c217eb06d
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Also cleanup some ldp debug code.
Change-Id: I23d1b9d744289244f4778f623702fc2b5d6fcd8b
Signed-off-by: Florin Coras <fcoras@cisco.com>
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For tcp this means that the last enqueued data goes out with a psh bit
set.
Change-Id: I29d357ecae6f02e748b59a7b799150ec73d14ba2
Signed-off-by: Florin Coras <fcoras@cisco.com>
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A client can send a memclnt delete message and ask vpp to cleanup the
shared memory queue. Obviously, in this case no delete reply is sent
back to the client.
Change-Id: I9c8375093f8607680ad498a6bed0690ba02a7c3b
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: Ia9c3d7a68a23dc4ab3be06f88fdfb053db422372
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: Ia56c2698adb0ea7811203844dc4db10e121fbc42
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: I92f415bf253d6e051ec9d94ebeb98f081b2a0293
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: Ife05d25fd736ae3064f01e974e5aecc5b48de924
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: Id39d64bf1b49345a3dc31c63360569212aba6865
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Instead of waiting for notification from binary api.
Change-Id: I5ecab857d6bcdbed62d6bb06709570c4cf6b19ea
Signed-off-by: Florin Coras <fcoras@cisco.com>
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- intercept fork and register a new worker with vpp
- share sessions between parent and forked child
- keep binary api state per worker
Change-Id: Ib177517d661724fa042bd2d98d18e777056352a2
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: Ia794fa7e15dac02c8607c4cee2f119ad9815c0a8
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: I79585cd6b467b007c3eb9a7668387ff3777de46d
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: I8a680be62ab91d2ccb144641981a635506973a49
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Allow apps to register child processes as app workers. In particular,
on fork vcl now registers the child process with vpp as a new worker.
Change-Id: I52a65fbc3292962b1f6e1fe0f6153f739e6e0d4a
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: Id4f37f5d4a03160572954a416efa1ef9b3d79ad1
Signed-off-by: Dave Barach <dave@barachs.net>
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Change-Id: I8eb5546ff8634d5498d8ce5bbc9407bceb9ae3ef
Signed-off-by: Florin Coras <fcoras@cisco.com>
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- add epoll dequeued events beyond maxevents to unhandled
- filter multiple epoll rx events
Change-Id: I618f5f02b19581473de891b3b59bb6a0faad10b5
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: I0b191ddb749b1aa132c2d33b8359c146b36d27af
Signed-off-by: Florin Coras <fcoras@cisco.com>
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