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The IPCP_*_TARGET variables (e.g., set(IPCP_LOCAL_TARGET ipcpd-local))
were defined locally in each IPCP's CMakeLists.txt (e.g.,
CMakeLists.txt), but the configure_file() that substitutes
@IPCP_LOCAL_TARGET@ into config.h.in runs in a sibling scope that is
processed before ipcpd. Since CMake variables don't propagate between
sibling directory scopes, all @IPCP_*_TARGET@ substituted to empty
strings, resulting in IPCP_LOCAL_EXEC "".
Moved the IPCP_*_TARGET definitions into the cmake/config/ipcp/*.cmake
files so they are known when generating config.h.
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
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This moves the build definitions back to src/ subdirectories
(CMakeLists.txt per component). Configuration and dependencies are
kept out of tree. Configuration options are bundled into cmake/config/
modules. Dependencies are grouped by component (system/, crypt/, eth/,
coverage/, etc.). It now consistently uses target-based commands
(target_include_directories, target_link_libraries) instead of global
include_directories(). Proper PRIVATE/PUBLIC visibility for executable
link libraries. CONFIG_OUROBOROS_DEBUG now properly set based on being
a valid debug config (not just checking the string name).
It also adds OuroborosTargets export for find_package() support and
CMake package config files (OuroborosConfig.cmake) for easier
integration with CMake projects.
The build logic now follows more idiomatic CMake practices with
configuration separated from target definitions.
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
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This moves the CMake build logic out of the source tree and splits it
up into a more modular form. The tests now have a CMakeLists.txt file
in their respective source directory.
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
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This adds an IPCP that runs over UDP/IPv6. It's structured like the
eth-dix and eth-llc in that it builds two separate binaries:
ipcpd-udp4 and ipcpd-udp6. The IRM CLI is backwards compatible in that
type 'udp' will resolve to type 'udp4'.
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
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This adds the initial version for the flow allocation protocol header
between IRMd instances. This is a step towards flow authentication.
The header supports secure and authenticated flow allocation,
supporting certificate-based authentication and ephemeral key
exchange for end-to-end encryption.
id: 128-bit identifier for the entity.
timestamp: 64-bit timestamp (replay protection).
certificate: Certificate for authentication.
public key: ECDHE public key for key exchange.
data: Application data.
signature: Signature for integrity/authenticity.
Authentication and encryption require OpenSSL to be installed.
The IRMd compares the allocation request delay with the MPL of the
Layer over which the flow allocation was sent. MPL is now reported by
the Layer in ms instead of seconds.
Time functions revised for consistency and adds some tests.
The TPM can now print thread running times in Debug builds
(TPM_DEBUG_REPORT_INTERVAL) and abort processes with hung threads
(TPM_DEBUG_ABORT_TIMEOUT). Long running threads waiting for input
should call tpm_wait_work() to avoid trigger a process abort.
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
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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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