| Commit message (Collapse) | Author | Age | Files | Lines |
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When the SHM is in single block mode, the MTU may be bigger than a
block. The eth IPCPs reserved buffers the size of MTU, which is now
limited.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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This will also allow flows with the data QoS cube to be allocated over
the UDP shim.
Signed-off-by: Sander Vrijders <[email protected]>
Signed-off-by: Dimitri Staessens <[email protected]>
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This adds a data qos cube that is reliable. Reliable qos can be
selected by setting the loss parameter of the qosspec to 0.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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Flow allocation for raw was not yet supported in these IPCPS, causing
enrollment to fail.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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The raw flows had no priority assigned, causing the scheduler to fail
on creation.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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In the current build an error would happen if a user simply runs make
check after running cmake, since the kademlia protocol buffer file was
not generated yet. This simply regenerates the file for the test.
Signed-off-by: Sander Vrijders <[email protected]>
Signed-off-by: Dimitri Staessens <[email protected]>
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The memset function was used without including <string.h>, which some
compilers complain about.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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This sets updated default values for the default build. A higher
connect timeout until we have asynchronous local IPC. Disabled SWIG
since the lastest gcc reports an error. IPCP flow stats enabled by
default since their impact on the performance is very limited. Waiting
for the directory to enroll before returning to increase stability.
Signed-off-by: Sander Vrijders <[email protected]>
Signed-off-by: Dimitri Staessens <[email protected]>
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This adds the address to the DT directory name in the RIB.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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The static analyzer misses the linked list logic. An assertion is
added that indicates that the pointer was changed indirectly by the
previous element.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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The clang and gcc compilers don't complain about variable length
arrays using the -c89 flag unless the flag -Wvla or -Wpedantic is
set. This also fixes a memleak and two false positive uninitialized
variable warnings reported by the clang static analyzer in graph.c.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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The flow allocator protocol used fd in the message exchange since eids
were directly mapped to fds. It's better to name them eid in the
protocol to avoid confusion.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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This fixes a memleak for the info struct when join thread creation is
not needed. Fixes a false positive warning when running the clang
static analyzer. Removes a use-after-free warning that is not valid
since 0.11.4.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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A malloc was performed with a mgmt_msg type and converted to a uint8_t
buffer for serialization, which triggers a false positive warning with
the clang static analyzer.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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This will change the FUSE mountpount to the name of the IPCP instead
of a generic name based on its pid.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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The DHT test failed on the use of IPCP-specific calls. These calls are
now guarded by the correct defition checks.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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The DHT called ipcp_sdb_release without including ipcp-dev, causing
compiler errors on some machines.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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The MTU was not correctly set for the eth-llc ipcp. This also fixes a
missing definition of ETH_MAX_MTU, which was introduced in kernel v4.10.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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The cpu was a size_t but printed as an unsigned long, giving
compilation errors on 32 bit machines.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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The eth-dix IPCP was using a hardcoded MTU of 1500 bytes, but could
support higher MTUs. Now jumbo frames are supported.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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The Loop-Free Alternates policy had bad memory management in two
places. In the calculation of the LFAs a table was freed in the first
iteration of a loop, whereas it was still needed in the other
iterations. It is now freed outside of the loop. In the alternate PFF
the address structs were not freed upon shutdown, this has been added
as well. It also fixes some bad initialization in the LFA calculation
function.
Signed-off-by: Sander Vrijders <[email protected]>
Signed-off-by: Dimitri Staessens <[email protected]>
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The query returned all addresses where a name was registered, causing
some scaling problems. Now it will return at most DHT_RETR_ADDR, which
is currently set at 1 (anycast).
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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This adds the option to wait for the directory (DHT) to enroll on
creating a new data transfer connection. This makes scripting network
bootstraps more stable. The default setting is OFF.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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This recalculates the PFF upon adding a new neighbor, so that the
network reconverges faster. It is safe to do so since it is only done
by the two IPCPs that established the new flow. The PFF is also
recalculated every 4 seconds.
Signed-off-by: Sander Vrijders <[email protected]>
Signed-off-by: Dimitri Staessens <[email protected]>
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This will prevent quick calls to ipcp conn for dt flows to create
multiple join threads in parallel, instead the subsequent calls will
wait for the pending join to finish.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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This makes the buffer size used by the UNIX sockets configurable. In
case of a lot of IPCPs in the system it might become too small with
the default value, resulting in irm command failures. The user can now
easily configure it with an adequate value.
Signed-off-by: Sander Vrijders <[email protected]>
Signed-off-by: Dimitri Staessens <[email protected]>
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The DHT performed a lookup upon a new DT connection when it was
running for efficiency reasons. This lookup somehow cause SEGV under
stress (rapid bootstrapping of networks). This will be solved with a
full revision of the DHT implementation.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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The list of commands was not cleaned up on shutdown.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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The lookup struct uses the cookies to track pending request messages,
but they were not removed when a response is processed. Upon reuse of
a cookie for the next message, it could update the wrong lookup. This
removes the cookie for a lookup when it is looked for.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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The DHT has a thread that continued to run during shutdown. The
shutdown state is now checked for. It will not try to send messages at
shutdown.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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The connmgr requires the notifier, but the notifier was created after
and destroyed before the connmgr. This is now fixed.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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The truncate was setting the length to the frame length, instead of
the actual payload length to be delivered to the N+1.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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An ethertype check was missing for the DIX ethernet IPCP, causing
crashes if there is other traffic on the network.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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This writes into the Ethernet device directly from the rdrbuff to
avoid a copy on the write side in the Ethernet IPCPs. This does not
work for the netmap device.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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This reads from the Ethernet device directly into the rdrbuff to avoid
a copy on the read side in the Ethernet IPCPs. This does not work for
the netmap device.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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The signal handler is completely embedded in the source file. There
was no more need to call it from elsewhere.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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This adds a function that locks a thread to a random core. This
greatly improves performance on multi-cpu systems. There is no
portable way to do this, this only implements it for GNU/Linux.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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The packets were being sent and read into a buffer that had the
payload length instead of the frame length.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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The reg/unreg API is simplified to registering and unregistering a
single name with a single IPCP. The functionality associated with
registering names was moved from the IRMd to the irm tool. The
function to list IPCPs was simplified to return all IPCPs in the
system with their basic properties needed for management.
The above changes led to some needed changes in the irm tool and the
management functions that were depending on the previous behaviour of
list_ipcps.
Command line functionality to list IPCPs in the system is also added
to the irm tool.
Some older code was refactored.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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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 <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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The read buffer had the exact length of a link-state message. With the
partial read implemented, we should then do another read() to check if
there are more parts of the message (which will return 0). To avoid
the additional read() call every time, the buffer was extended by 1
byte.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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This will check if the Ethertype value is a valid Ethertype in the irm
tool and the eth-dix IPCPd.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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Some NICs added padding to the Ethernet II frames causing bad frame
lengths and GPB unpack fails. This adds a 2-byte length field to the
DIX frame to circumvent this.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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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 <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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The number of bytes sent was not counting the data transfer PCI. This
is now fixed.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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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 <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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There was a wrong rcv_bytes where it should have been snd_bytes.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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This fixes the access to an uninitialized dt_pci struct when updating
flow statistics in the case there is no next hop, which often resulted
in a segmentation fault.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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The dht_get_state() function should be used to get the state of the
DHT. This fixes bug #4.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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