| Commit message (Collapse) | Author | Age | Files | Lines |
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Updates the copyright notice in all sources to 2019.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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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 <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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Patch for previous commit, which was broken.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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The FLOWSFLAGS command was recently obsoleted with the removal of
online reconfiguration of FRCT.
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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This revises the delta-t implementation to align with Watson's timer
specifications. FRCT will never deliver out-of-order packets. A raw
flow (without delta-t state machine) will be able to provide such a
service.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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This allows disabling partial reads. It adds a flag FLOWFRNOPART that
disables partial reads. Partial read is different from partial
delivery (FRCTFPARTIAL), which allows delivery of fragments of an
incomplete packet and thus potentially corrupted data. FLOWFRNOPART
will never deliver corrupted data (unless FRCTFPARTIAL is also set).
If FLOWFRNOPART is set and the buffer provided to flow_read is too
small for the SDU, that SDU will be discarded and -EMSGSIZE is
returned;
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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This adds the FLOWGRXQLEN and FLOWGTXQLEN operations to fccntl to get
the number of packets that are in the receive and transmit buffers
respectively. The flow statistics are updated to show these queue
lengths.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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Defining FLOWFNONBLOCK in terms of FLOWFRNOBLOCK and FLOWFWNOBLOCK and
FLOWFDEFAULT in terms of FLOWFRDWR clarifies their meaning.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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Happy New Year, Ouroboros.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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The FLOWFNONBLOCK flag now has two subflags FLOWFRNOBLOCK and
FLOWFWNOBLOCK which allows setting the behavior of read and write
independently. The default behavior is unchanged (blocking read and
write).
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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This adds the flow down event to Ouroboros. In the shim-eth-llc, a
netlink socket is opened which listens to device up/down events. For
each event the flow is then adjusted with fccntl to notify the user
the flow is down or back up again. In the normal IPCP an event is
thrown if a write reports that the flow is down.
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This replaces the flow_set_* commands with a single fccntl command
that can configure flows and the FRCT instance.
For more details, see "man 3 fccntl".
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