| Commit message (Collapse) | Author | Age | Files | Lines |
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This will cause the Ethernet IPCP to wait for a free buffer when using
raw sockets to avoid packet drops when the network is congested.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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The fccntl call was reading from the RX queue instead of the TX queue.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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The --server-name option was mistyped with an underscore in the
argument parser.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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This adds a First Fragment bit to FRCT. This small optimisation avoids
losing two packets when there is packet loss without fragmentation,
without the need to disable fragmentation at the end points.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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The ECN value in the packet was not set during write of a new
packet. Also removes the outdated abstract syntax enum.
Signed-off-by: Sander Vrijders <[email protected]>
Signed-off-by: Dimitri Staessens <[email protected]>
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This adds an extra field to the data transfer PCI which can be used to
flag congestion by intermediate routers.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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This changes the API to the rdrbuff to treat it as a pool memory
allocator. The head and tailspace to allocate in a buffer is now set
system-wide instead of being passed as a parameter.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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The flag IFF_NO_PI is needed to make sure that no extra protocol
header is added to the payload that is received on the TUN interface.
Signed-off-by: Sander Vrijders <[email protected]>
Signed-off-by: Dimitri Staessens <[email protected]>
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This adds a broadcast IPCP that allows us to easily create multicast
applications. The broadcast IPCP accepts flows for "<layer_name>.mc".
A tool, obc (Ouroboros broadcast), is added that sends and reads a
message to a broadcast layer.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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This adds the ovpn application which allows to send TCP/IP traffic
over Ouroboros. This is done by opening a TUN interface and allocating
a flow to another ovpn application so that applications using TCP/IP
can be used over Ouroboros as well.
Signed-off-by: Sander Vrijders <[email protected]>
Signed-off-by: Dimitri Staessens <[email protected]>
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The ipcp connect command can now set a specific qos cube for data
transfer flows. For management flows, the tool ignores this and
defaults to raw until data flows are stable enough.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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This will check if the flow id is valid instead of asserting. It
avoids assertion failures in the IPCP if an application crashes and
the IRMd deallocates the flow while the IPCP still has pending writes.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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The pff didn't check if there were actually entries in the database,
causing an assertion failure in some rare cases.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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The signals are now handled in the main thread instead of an
asynchronous signal handler. The acceptloop is now correctly cancelled
and the associated timeouts are removed.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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The integrity check mechanism was split from FRCT, this flag is not
needed anymore.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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When a new link is added, the link state update will be sent before
the database update, so the network is a little bit more quickly
aware. This improves odds of the DHT successfully enrolling at its
first attempt, reducing bootstrap time of a network.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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This allows configuration of the DHT slack timer at build time.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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There was a bug where the hash selection for the local, raptor and
ethernet IPCPs was not passed correctly, so they were using a wrong
hash.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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This will make bypassing the qdisc configurable, as it might be handy
for getting fast data rates but is generally needed.
Signed-off-by: Sander Vrijders <[email protected]>
Signed-off-by: Dimitri Staessens <[email protected]>
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The irmd would log a warning when a server application quits during an
accept call, but this is just a normal event. This removes the warning
log.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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This adds a cleanup function in the notifier in case it gets
cancelled, which is a possibility in some callbacks.
Signed-off-by: Sander Vrijders <[email protected]>
Signed-off-by: Dimitri Staessens <[email protected]>
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send_lsm was being called from the event handler as well as from
lsupdate. The first one was not being locked properly.
Signed-off-by: Sander Vrijders <[email protected]>
Signed-off-by: Dimitri Staessens <[email protected]>
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The lock of the wrong fd was taken when updating the stats in the DT
component.
Signed-off-by: Sander Vrijders <[email protected]>
Signed-off-by: Dimitri Staessens <[email protected]>
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The link-state algorithm will now quickly recalculate for link
additions (but not for removals, for stability). Upon notification of
a new link, the DHT will wait for a brief moment to enroll.
This reduces enrolment for large networks by some orders of magnitude.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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The flow allocator passed a blocking callback to the forwarding
component, which blocks packet processing.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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This sets the CRC check to be disabled by default, since it greatly
hampers performance and is almost never needed.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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This initializes libgcrypt before use in the library. This fixes the
"called in non-operational state" error when CRC checking is enabled.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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There were QoS cubes defined for raw and data flows, which are now run
on the best effort cube.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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The memcpy of the device name was copying a fixed set of bytes
(IFNAMSIZ), but the string conf->dev is usually shorter.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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The queued packets were not correctly read. The rcv_cr->seqno now
indicates the next packet the receiver application expects. A lot more
stable now, but still some further issues to be fixed.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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Multiblock writes that require wrapping will now correctly pad
unuseable space at the end of the rdrbuff.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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This fixes rudimentary automated repeat-request ARQ to correctly
configure the both connection records and use the receiver seqno. The
rto variable is moved out of the connection record.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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The QoS specs were defined in the source file instead of in the header
file, which resulted in uninitialized structs being used, which gave
rise to weird behavior in the library.
Signed-off-by: Sander Vrijders <[email protected]>
Signed-off-by: Dimitri Staessens <[email protected]>
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Signed-off-by: Dimitri Staessens <[email protected]>
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The FRCT kept only a left window edge in the receiver connection
window, however, it needs to keep track of the left window edge
(highest ACK'd sequence number) and the highest delivered sequence
number, so it can delay ACKs that cannot be piggybacked. TCP
recommends at most 500 ms for delayed ACKs (probably good to keep it
near half of RTO).
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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A lot of files were unnecessarily including qoscube.h.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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This splits off the CRC from FRCT so it can be set
independently. Ouroboros now allows raw flows with error checking.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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Patch for previous commit, which was broken.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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The dt_const header is a remnant from an earlier version of the DT
PCI. It can be safely removed.
Signed-off-by: Sander Vrijders <[email protected]>
Signed-off-by: Dimitri Staessens <[email protected]>
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Renames port_id to flow_id according to updated nomenclature.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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The FLOWSFLAGS command was recently obsoleted with the removal of
online reconfiguration of FRCT.
Signed-off-by: Sander Vrijders <[email protected]>
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This shortens packet_scheduler to psched, which results in more
readable code.
Signed-off-by: Sander Vrijders <[email protected]>
Signed-off-by: Dimitri Staessens <[email protected]>
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This will change SDU (Service Data Unit) to packet everywhere. SDU is
OSI terminology, whereas packet is Ouroboros terminology.
Signed-off-by: Sander Vrijders <[email protected]>
Signed-off-by: Dimitri Staessens <[email protected]>
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This replaces Service Access Point with Endpoint Identifier in the
raptor IPCP, since it better fits the Ouroboros terminology.
Signed-off-by: Sander Vrijders <[email protected]>
Signed-off-by: Dimitri Staessens <[email protected]>
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