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The maximum packet lifetime (MPL) is a property of the flow that needs
to be passed to the reliable transmission protocol (FRCP) for its
correct operation. Previously, the value of MPL was set fixed as one
of the (fixed) Delta-t parameters. This patch makes the MPL a property
of the layer, and it can now be set per layer-type at build time.
This is a step towards a proper MPL estimator in the flow allocator.
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
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The compiler flags for the SWIG target were added to the global
CMAKE_C_FLAGS used for the entire project. This sets the flags
uniquely for the SWIG target. The eth has a similar case for the c99
flag. There was a lingering include in dev.c that was removed.
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
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This restricts the MTU for the Ethernet IPCP over loopback adapters
(devices named "lo*") to avoid it allocating 65K buffers per packet
and quickly filling the default RDRBUFF space. The restriction is set
using the build option IPCP_ETH_LO_MTU, with a default value of 1500
bytes.
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
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This makes the eth packet handler single-threaded by default, at least
until stability issues that seem to be related to multi-threading are
fixed.
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
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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 <sander.vrijders@ugent.be>
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
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This will change the build to exclusively select one raw socket API in
case multiple are present in the sytem, which will simplify the code.
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
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There were some compilation issues introduced by adding the interface
monitor to the Ethernet IPCP. Furthermore it was not possible to
select between raw sockets or netmap if both were available.
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
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This adds multiple reader and writer threads, configurabe via cmake
with IPCP_ETH_RD_THR and IPCP_ETH_WR_THR. Improves ethernet IPCP
throughput, which looks to be limited by the raw socket calls.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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This adds an IPC Process that uses DIX Ethernet with an Ethertype that
is configurable at bootstrap. This allows parallel DIX layers over the
same Ethernet network with different Ethertypes (and one LLC
layer). It allows jumbo frames in the future, and should avoid the
problems we have with some routers not handling LLC traffic very
well. The destination endpoint ID is sent as a 16 bit integer, so the
maximum payload is 1498 bytes in standard Ethernet, and 8998 bytes
when Jumbo frames are used.
The implementation is very similar to the Ethernet LLC IPCP, so it is
implemented using preprocessor macros in the single source instead of
duplicating code.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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