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* irmd: Shut down IPCPs before IRMd internalsDimitri Staessens2018-04-261-18/+20
| | | | | | | | | This will shut down IPCPs before destroying IRMd internals. This fixes warnings from IPCPs trying to send messages and send packets upon IRM shutdown. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* lib: Unmount stale FUSE mountpointsDimitri Staessens2018-04-261-1/+10
| | | | | | | | This will unmount a stale FUSE mountpoint (an IPCP with the same pid exited ungracefully on the system) before trying to create it. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* lib: Fix bad unlinking of old shared memorySander Vrijders2018-04-251-5/+1
| | | | | | | | | | A previous commit tried to stat the shared memory file in case it was already there, but stat does not seem to work for shared memory files. This simply omits the O_EXCL attribute upon creation of the shared memory file, since pids are unique anyway. Signed-off-by: Sander Vrijders <[email protected]> Signed-off-by: Dimitri Staessens <[email protected]>
* tools: Add check for irm ipcp listSander Vrijders2018-04-251-2/+9
| | | | | | | | | This adds a check in the irm ipcp list command to see if irm_list_ipcps returned an error or not. Before it was only checking if there were zero IPCPs in the system. Signed-off-by: Sander Vrijders <[email protected]> Signed-off-by: Dimitri Staessens <[email protected]>
* lib: Unlink old flow set shared memorySander Vrijders2018-04-251-0/+4
| | | | | | | | | This unlinks previously allocated flow set shared memory. It could be lingering in case an application with the same pid was SIGKILLED, and didn't clean up its flow set shared memory. Signed-off-by: Sander Vrijders <[email protected]> Signed-off-by: Dimitri Staessens <[email protected]>
* tools: Fix type check when bootstrapping ipcpsDimitri Staessens2018-04-201-14/+16
| | | | | | | | The type check failed incorrectly if the type was specified because the specified type was not set. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* tools: Fix help information for irm ipcpSander Vrijders2018-04-172-3/+8
| | | | | | | | The new command 'irm ipcp list' was not being printed upon printing the usage of 'irm ipcp'. It also fixes an unchecked return value. Signed-off-by: Sander Vrijders <[email protected]> Signed-off-by: Dimitri Staessens <[email protected]>
* ipcpd: Fix truncate of small packetsDimitri Staessens2018-04-051-1/+1
| | | | | | | | 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]>
* ipcpd: Add ethertype checkDimitri Staessens2018-04-051-1/+7
| | | | | | | | 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]>
* ipcpd: Avoid unnecessary copy in eth writerDimitri Staessens2018-04-051-25/+45
| | | | | | | | | 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]>
* ipcpd: Avoid unnecessary copy in eth readerDimitri Staessens2018-04-052-32/+71
| | | | | | | | | 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]>
* ipcpd: Remove signal handler from ipcp.hDimitri Staessens2018-04-052-9/+4
| | | | | | | | 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]>
* ipcpd: Enable locking threads to a CPU coreDimitri Staessens2018-04-058-2/+49
| | | | | | | | | 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]>
* tools: Fix hash algorithm in ipcp_bootstrap0.11.2Dimitri Staessens2018-04-052-2/+2
| | | | | | | A bad check caused failure to set the hash algorithm for IPCPs. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* ipcpd: Fix frame buffer in eth ipcpsDimitri Staessens2018-04-051-2/+2
| | | | | | | | 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]>
* irmd: Fix unreachable statement0.11.1Dimitri Staessens2018-03-282-2/+1
| | | | | | | The unreachable statement was missed by some compilers. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* version: Ouroboros 0.110.11.0Dimitri Staessens2018-03-281-2/+2
| | | | | Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* tools: Increase read buffer in ocbr serverDimitri Staessens2018-03-253-5/+16
| | | | | | | | | | | | The ocbr server had a 1500 byte read buffer, which caused it to perform partial reads on larger SDUs, slowing it down considerably when sendin large packets. The buffer has been increased to 512KB, partial reads disabled, and the client will give an error when larger frames are sent. It will also warn if the size overflows (avoiding a SEGV). Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* irmd: Fix memleak when failing to list ipcpsDimitri Staessens2018-03-224-27/+22
| | | | | | | | | The list_ipcps call had a memleak in the failure case. Also fixes a compiler warning for a possible uninitialized variable and renumbers the gpb ipcpd message fields. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* lib: Simplify reg/unreg APIDimitri Staessens2018-03-2232-809/+1229
| | | | | | | | | | | | | | | | | | | | 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]>
* irmd: Remove obsolete layer to name mappingsDimitri Staessens2018-03-213-112/+0
| | | | | | | | The IRMd kept a mapping from layer names to registered names, but this is obsolete since the introduction of the query functionality. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* lib: Allow disabling partial readDimitri Staessens2018-03-195-11/+25
| | | | | | | | | | | | | | 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]>
* tools: Fix help information for oechoDimitri Staessens2018-03-191-4/+4
| | | | | | | | The oecho tool still used its old "echo-app" name in the usage() output. The destination name is also changed to oecho. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* ipcpd: Fix reading LSAs in link-state policy0.10.7Dimitri Staessens2018-03-162-3/+3
| | | | | | | | | | | 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]>
* lib: Simplify some code in rdrbuffDimitri Staessens2018-03-161-8/+2
| | | | | | | This simplifies some functions in the rdrbuff. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* tools: Use non-blocking read in serversDimitri Staessens2018-03-162-2/+2
| | | | | | | | | | | The oping and ocbr servers were using non-blocking read/writes. This caused writes to fail on high-performance tests if the buffer got full, instead of waiting for a slot in the buffer. The write failure caused the server to quit. This fixes the tools by setting the I/O to blocking write and non-blocking read. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* lib: Use sequenced datagrams with UNIX socketsSander Vrijders2018-03-131-2/+2
| | | | | | | | The UNIX sockets were using SOCK_STREAM, which does not preserve the message boundaries. This switches to SOCK_SEQPACKET. Signed-off-by: Sander Vrijders <[email protected]> Signed-off-by: Dimitri Staessens <[email protected]>
* lib: Allow partial readDimitri Staessens2018-03-122-21/+44
| | | | | | | | | | | | | This implements partial read of packets if the buffer supplied to flow_read() is smaller than the packet in the buffer. If the number of bytes returned by flow_read equals the size of the buffer, the next read() will deliver the next bytes of the packet (or 0 if the packet was exactly the size of the buffer on the previous read). Implements #7. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* lib: Implement timeout on blocking writeDimitri Staessens2018-03-123-39/+63
| | | | | | | | | | This completes the implementation of the SNDTIMEO for a blocking write. Fixes #6. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* ipcpd: Add validity checks for eth-dixDimitri Staessens2018-03-122-1/+11
| | | | | | | | 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]>
* ipcpd: Add length field to eth-dixDimitri Staessens2018-03-101-62/+57
| | | | | | | | | 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]>
* ipcpd: Add IPCP over DIX EthernetDimitri Staessens2018-03-1013-406/+760
| | | | | | | | | | | | | | | | | | 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]>
* lib: Use PTHREAD_COND_CLOCK for blocking reads0.10.6Dimitri Staessens2018-03-103-4/+7
| | | | | | | | | | | The rbuff uses the PTHREAD_COND_CLOCK for its condition variables, but the flow_read was passing a time it got from the CLOCK_REALTIME_COARSE clock. This causes the blocking reads not to timeout correctly. The oping was updated to detect server timeouts and finish gracefully. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* ipcpd: Fix bytes sent in send statisticsDimitri Staessens2018-03-081-6/+11
| | | | | | | | 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]>
* tools: Don't cancel reader thread in oping0.10.5Dimitri Staessens2018-03-052-3/+1
| | | | | | | | The reader thread was cancelled as soon as the writer was finished, which resulted in missed responses and misreported packet loss. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* lib: Add fccntl operation to get queue lengthsDimitri Staessens2018-02-284-9/+40
| | | | | | | | | | 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]>
* ipcpd: Fix flow statisticDimitri Staessens2018-02-261-1/+1
| | | | | | | 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]>
* lib: Fix FUSE access for non-root users0.10.4Dimitri Staessens2018-02-262-11/+8
| | | | | | | | | | This fixes the access to the RIB for non-root users. Thanks to Sitri and Dagger from the ##fuse channel for their assistance. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* build: Reduce default buffer size to 4096 blocksDimitri Staessens2018-02-261-2/+1
| | | | | | | | This reduces the default buffer size to 4096 blocks (about 16MB). This will avoid problems when users try a default build on smaller machines. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* ipcpd: Fix access to uninitialized valueDimitri Staessens2018-02-261-14/+14
| | | | | | | | | 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]>
* ipcpd: Fix data race when accessing DHT stateDimitri Staessens2018-02-261-1/+2
| | | | | | | | 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]>
* build: Enable debug symbols for debug buildsDimitri Staessens2018-02-261-0/+2
| | | | | | | | This sets the "-g" compiler flag if the build is not "Release" so that the sanitizers correctly display line numbers in their output. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* irmd: Cleanup flow datastructures on exit0.10.3Dimitri Staessens2018-02-242-6/+13
| | | | | | | | | The irmd was not cleaning up non-deallocated flows upon exit. This bug was probably introduced with the introduction of the threadpool managers. Also fixes a missing rwlock_destroy(). Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* ipcpd: Fix malformed sprintf in dt component0.10.2Dimitri Staessens2018-02-242-2/+2
| | | | | | | | The sprintf was missing a format string. Some compilers did not complain about this. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* ipcpd: Fix missing free in graph implementationSander Vrijders2018-02-241-0/+2
| | | | | | | | There was a missing free in case the address was not found in the routing table when trying to add an LFA for a certain address. Signed-off-by: Sander Vrijders <[email protected]> Signed-off-by: Dimitri Staessens <[email protected]>
* irmd: Remove dead variable assignmentsSander Vrijders2018-02-241-2/+0
| | | | | | | | This removes two useless variable assignments from the IRMd, which were remnants from when the pending flow was being deallocated. Signed-off-by: Sander Vrijders <[email protected]> Signed-off-by: Dimitri Staessens <[email protected]>
* ipcpd: Fix cleanup of sdu schedulerDimitri Staessens2018-02-241-7/+7
| | | | | | | | | | Not all threads were cancelled on exit. This fixes (the rather cryptic) error message "The futex facility returned an unexpected error code" when running the stack with the address sanitizer. Also fixes possible double frees when a pthread_create would fail. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* ipcpd: Print establishment time in flow statsDimitri Staessens2018-02-231-22/+35
| | | | | | | | | | The time of establishment will be printed as part of the flow statistics (it is the same as the modification time of the file in the FUSE filesystem). Some output was reordered and the length of the sizes is updated to be sufficient for 64-bit values. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* irmd: Replace fork and execv with posix_spawnSander Vrijders2018-02-232-28/+16
| | | | | | | | | This replaces the fork and execv calls with posix_spawn since it is supported on more platforms, and is more efficient. Also fixes some bad indentation. Signed-off-by: Sander Vrijders <[email protected]> Signed-off-by: Dimitri Staessens <[email protected]>
* build: Deprecate version generation from git tag0.10.1Dimitri Staessens2018-02-232-50/+4
| | | | | | | | | | This deprecates the version generation from git tags. The version is now set in the CMakeLists.txt. This avoids wrong versions when checking out old commits and building the repository inside another repository. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
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