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Change-Id: If6c672d1caa8884eb5d819311606a79a3de81200
Signed-off-by: Florin Coras <fcoras@cisco.com>
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- avoid changing snd_nxt when doing fast retransmits
- use snd_una_max only to keep track of the max seq number sent
- simplify future ack testing
Change-Id: I3580ad3aefe30128486c3375d0ac3f3f62c04c5e
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: I8414c2ed8bda59504330aad5f1a80dfe08dd85de
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: I30470e8a1404632b0350056769338dc69a94c105
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: Idf060f385f4d9b2f42fdab6a1d372727beb8b19e
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: Ifd9fa30eed343e2c5d40582b3e3aa589b070637d
Signed-off-by: Filip Tehlar <ftehlar@cisco.com>
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- remove unused functions
- rename old "stream" functions
Change-Id: Icbb03daa9f9f1c58b5be5c38aa8a9cbcf9159b47
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: I84ad1830b8db43f6031cf2876cd94f6a71216b83
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Instead of constantly reallocating the new sack block list, keep the old
one as a reusable free list.
Change-Id: Iad79a72204f97b96352c1c6eea66c2839a35cfe6
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: I92a009b9630b0d882ea3c5c99aad88ed6f5109a0
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: I1662ec4b5503cb64a8a86a2441842311d959b3a6
Signed-off-by: Florin Coras <fcoras@cisco.com>
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- Better handle buffer starvation scenarios
- Handle case when both peers enter recovery due to packet loss.
- Fix passive open establish cleanup
Change-Id: I2f28baa2ff0383bb8f5f6d2452b49aa38ce69bce
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: I88fdeb0ca56d3a5d9c0f36def13c6de8142f59f0
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Make app-listener the handle for app listens. Consequently transport and
local listen sessions are now associated to the app-listener.
Change-Id: I9397a26d42cccb100970b6b4794c15bac2e11465
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: Ie69bdb9860d61f2c599c0c80b0ea80dfdfe178bd
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: I468b1015bca5f95b162fb49e904aa4e4d38db75e
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: Iceb99d3f8b7029bd1b1e9ebafb1e0b3790c573e4
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: I7e59ae718d2722c49d42b22a0874e1645a191e89
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: If6f4d6404753b2d6b96e17f5414079bcdb9edde8
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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In addition to that, a bit of refactoring.
Change-Id: Iea1eabc2167bcdef185ec53bc09bae087c5398e6
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: If538bb9d6fb489906099b727a7bfdb9d9af29402
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: Ia2241e963cf45765d8d17c65eea781edbf74d4f9
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: Ie4cb08f5d9f7fd025f1a8ae610cebb0b0c315d9f
Signed-off-by: Florin Coras <fcoras@cisco.com>
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syn/fin are no longer added to seq_end so they must be considered
individually in each state.
Change-Id: I5e3047194101c4fca2db9f9ad29a4a6468c397ab
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: I90056176194cb2a144d49a3cb283653d8d30f051
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Also add the closed-waiting session state wherein the session still
allows the transport to send oustanding data.
Change-Id: Ic47807379906ef2010934381ff0b9e53c7e631d8
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: I1f42644f143bb65ee764c0f869b402595126adac
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: Iba7c08c9edcf76ea24d00d5ea9e0586e9f94df4e
Signed-off-by: Florin Coras <fcoras@cisco.com>
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This mostly adds explicit drops or resets for state and flag
combinations that would've been otherwise dropped with a warning
message.
It also adds some valid RST handlers.
Change-Id: Ib0d19a0939fe275befeb29cf072b87b1a79937ce
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Disconnect transport even if tx fifo is not empty and have transport
deal with the problem. In case of tcp, add timer to fin_wait_1. If it
expires and we're still in established state, cleanup but only after
waiting for session tx events to cleanup.
Change-Id: I45759a3c43dd096bb2c03daf5372416c30678d62
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Also cleanup session table when transport closes and app didn't reply to
the close notification.
Change-Id: Ie3d518e3afff73437561561b46dbf695c24632ad
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: If109d6772cbd58f4f2a56ae7ec593639d1fa1b96
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: Ia8b2a077ba4897ddd15cf33221b191cd7a3f1d33
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: I945d1644a23b6a3d50c9beaffc732d2b6facd974
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: I529c34235ad2b0e4c730959bb1b8c9d50a83738c
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: I7219a8d315b312812acafd9d2709fba8b4a2a679
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: Ifc0584d781efc30904069ea17c0afbb68c49c442
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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Change-Id: Ic6a6202a2d5aca33eee7fc6ff8eeaa1db9b58525
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: I5a5ee48755befc370a1f89ddbb0d91f164ed564f
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: I6debfe85d9d55f6f9a8ef0ce1dcc008393847a37
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: Iff75be238a231df88a37b61610c134e4a4770708
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: I45fd7538853f84c6c8bf804cc20acbc9601db3ba
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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Make sure that we notify the app of the data enqueued in the burst
before notifying of disconnect.
Change-Id: I7747a5cbb4c6bc9132007f849c24ce04b7841273
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Because the code is not optimized, newreno is still the default
congestion control algorithm.
Change-Id: I7061cc80c5a75fa8e8265901fae4ea2888e35173
Signed-off-by: Florin Coras <fcoras@cisco.com>
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- update pacer once per burst
- better estimate initial rtt
- compute smoothed average for higher precision rtt estimate
Change-Id: I06d41a98784cdf861bedfbee2e7d0afc0d0154ef
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Instead of reusing buffers for acking, consume all buffers and program
output for (dup)ack generation. This implicitly fixes the drop counters
that were artificially inflated by both data and feedback traffic.
Moreover, the patch also significantly reduces the ack traffic as we now
only generate an ack per frame, unless duplicate acks need to be sent.
Because of the reduced feedback traffic, a sender's rx path and a
receiver's tx path are now significantly less loaded. In particular, a
sender can overwhelm a 40Gbps NIC and generate tx drop bursts for low
rtts. Consequently, tx pacing is now enforced by default.
Change-Id: I619c29a8945bf26c093f8f9e197e3c6d5d43868e
Signed-off-by: Florin Coras <fcoras@cisco.com>
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