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* ipcpd: Take correct lock when updating statsSander Vrijders2018-10-111-2/+4
| | | | | | | | The lock of the wrong fd was taken when updating the stats in the DT component. Signed-off-by: Sander Vrijders <[email protected]> Signed-off-by: Dimitri Staessens <[email protected]>
* ipcpd: Speed up enrolment of DHTDimitri Staessens2018-10-112-62/+68
| | | | | | | | | | | The link-state algorithm will now quickly recalculate for link additions (but not for removals, for stability). Upon notification of a new link, the DHT will wait for a brief moment to enroll. This reduces enrolment for large networks by some orders of magnitude. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* ipcpd: Decouple flow allocator from dt threadDimitri Staessens2018-10-111-86/+176
| | | | | | | | The flow allocator passed a blocking callback to the forwarding component, which blocks packet processing. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* lib: Disable CRC by defaultDimitri Staessens2018-10-111-1/+1
| | | | | | | | This sets the CRC check to be disabled by default, since it greatly hampers performance and is almost never needed. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* lib: Initialize libgcrypt before useDimitri Staessens2018-10-111-1/+4
| | | | | | | | This initializes libgcrypt before use in the library. This fixes the "called in non-operational state" error when CRC checking is enabled. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* ipcpd: Remove stale QoS cubesDimitri Staessens2018-10-103-17/+1
| | | | | | | | There were QoS cubes defined for raw and data flows, which are now run on the best effort cube. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* ipcpd: Fix SEGV in eth IPCPDimitri Staessens2018-10-101-1/+6
| | | | | | | | The memcpy of the device name was copying a fixed set of bytes (IFNAMSIZ), but the string conf->dev is usually shorter. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* lib: Fix padding in rdrbuff0.12.2Dimitri Staessens2018-10-091-15/+4
| | | | | | | | Multiblock writes that require wrapping will now correctly pad unuseable space at the end of the rdrbuff. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* lib: Define QoS specs inside header file0.12.1Sander Vrijders2018-10-092-89/+0
| | | | | | | | | The QoS specs were defined in the source file instead of in the header file, which resulted in uninitialized structs being used, which gave rise to weird behavior in the library. Signed-off-by: Sander Vrijders <[email protected]> Signed-off-by: Dimitri Staessens <[email protected]>
* lib: Keep track of highest delivered seqnoDimitri Staessens2018-10-061-14/+13
| | | | | | | | | | | | The FRCT kept only a left window edge in the receiver connection window, however, it needs to keep track of the left window edge (highest ACK'd sequence number) and the highest delivered sequence number, so it can delay ACKs that cannot be piggybacked. TCP recommends at most 500 ms for delayed ACKs (probably good to keep it near half of RTO). Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* include: Fix QoS include filesDimitri Staessens2018-10-067-6/+3
| | | | | | | A lot of files were unnecessarily including qoscube.h. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* lib: Split error checking from FRCTDimitri Staessens2018-10-054-44/+58
| | | | | | | | 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 <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* ipcpd: Remove dt_const header from normal IPCPSander Vrijders2018-10-051-39/+0
| | | | | | | | The dt_const header is a remnant from an earlier version of the DT PCI. It can be safely removed. Signed-off-by: Sander Vrijders <[email protected]> Signed-off-by: Dimitri Staessens <[email protected]>
* lib: Rename port_id to flow_idDimitri Staessens2018-10-0513-171/+171
| | | | | | | Renames port_id to flow_id according to updated nomenclature. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* ipcpd: Shorten packet_scheduler to pschedSander Vrijders2018-10-055-63/+63
| | | | | | | | This shortens packet_scheduler to psched, which results in more readable code. Signed-off-by: Sander Vrijders <[email protected]> Signed-off-by: Dimitri Staessens <[email protected]>
* ipcpd, lib, irmd, tools: Change SDU to packetSander Vrijders2018-10-0525-240/+244
| | | | | | | | This will change SDU (Service Data Unit) to packet everywhere. SDU is OSI terminology, whereas packet is Ouroboros terminology. Signed-off-by: Sander Vrijders <[email protected]> Signed-off-by: Dimitri Staessens <[email protected]>
* ipcpd: Replace SAP with EID in raptor IPCPSander Vrijders2018-10-051-74/+74
| | | | | | | | This replaces Service Access Point with Endpoint Identifier in the raptor IPCP, since it better fits the Ouroboros terminology. Signed-off-by: Sander Vrijders <[email protected]> Signed-off-by: Dimitri Staessens <[email protected]>
* lib: Pass qosspec at flow allocationDimitri Staessens2018-10-0524-233/+367
| | | | | | | | | | | | The flow allocator now passes the full qos specification to the endpoint, instead of just a cube. This is a more flexible architecture, as it makes QoS cubes internal to the layers. Adds endianness transforms for the flow allocator protocol in the normal IPCP. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* ipcpd: Use non-blocking socket in Ethernet IPCPSander Vrijders2018-10-031-3/+17
| | | | | | | | | | Since the Ethernet IPCP now has multiple reader threads it was possible that both exit the select call, which caused one of the two threads to block on the recv call. This makes the socket non-blocking so that the recv call simply fails. Signed-off-by: Sander Vrijders <[email protected]> Signed-off-by: Dimitri Staessens <[email protected]>
* build: Prioritize raw socket API in buildSander Vrijders2018-10-031-15/+18
| | | | | | | | 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 <[email protected]> Signed-off-by: Dimitri Staessens <[email protected]>
* ipcpd: Bypass Qdisc in Ethernet IPCPSander Vrijders2018-10-031-0/+8
| | | | | | | | Since Linux kernel 3.14 there is the option to bypass the kernel Qdisc. This will speed up the Ethernet IPCP. Signed-off-by: Sander Vrijders <[email protected]> Signed-off-by: Dimitri Staessens <[email protected]>
* ipcpd: Fix build for netmap enabled Ethernet IPCPSander Vrijders2018-10-032-7/+9
| | | | | | | | | 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 <[email protected]> Signed-off-by: Dimitri Staessens <[email protected]>
* ipcpd: Fix bad lock in Ethernet IPCPSander Vrijders2018-10-031-1/+1
| | | | | | | | An unlock was called twice instead of a lock/unlock sequence, causing a data race. Signed-off-by: Sander Vrijders <[email protected]> Signed-off-by: Dimitri Staessens <[email protected]>
* ipcpd: Add multithreading to Ethernet IPCPDimitri Staessens2018-10-033-31/+63
| | | | | | | | | 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 <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* ipcpd: Merge dt_pci into dt sourceDimitri Staessens2018-10-026-192/+91
| | | | | | | | This merges the dt_pci code into the dt source. It simplifies the code base, and allows inline compilation. Removes unnecessary includes. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* lib: Check return values init functionsSander Vrijders2018-09-286-31/+58
| | | | | | | | | This will check the return values of init functions so that the code is more robust. It also removes a duplicate init in the timerwheel, checks for buffer overflows in the RIB and checks string lengths. Signed-off-by: Sander Vrijders <[email protected]> Signed-off-by: Dimitri Staessens <[email protected]>
* ipcpd: Add return value checks to UDP IPCPSander Vrijders2018-09-271-17/+37
| | | | | | | Some return value checks were missing in the UDP IPCP. Signed-off-by: Sander Vrijders <[email protected]> Signed-off-by: Dimitri Staessens <[email protected]>
* ipcpd: Fix test of routing table calculationSander Vrijders2018-09-271-4/+4
| | | | | | | | | A previous commit changes the signature of the function that calculates the routing table. The test was not changed accordingly, making make check fail. Signed-off-by: Sander Vrijders <[email protected]> Signed-off-by: Dimitri Staessens <[email protected]>
* ipcpd: Remove double close in Ethernet IPCPSander Vrijders2018-09-271-2/+1
| | | | | | | | | There was a double close of a fd in the Ethernet IPCP. It also passes the correct max length to a memcpy (a strlen of the source string was used previously). Signed-off-by: Sander Vrijders <[email protected]> Signed-off-by: Dimitri Staessens <[email protected]>
* irmd: Add missing unlocks and avoid NULL dereferenceSander Vrijders2018-09-273-26/+26
| | | | | | | | There were missing unlocks in certain error conditions and some NULL pointers were passed to strcmp which is undefined behavior. Signed-off-by: Sander Vrijders <[email protected]> Signed-off-by: Dimitri Staessens <[email protected]>
* tools: Fix memleaks and buffer overflows in irm toolSander Vrijders2018-09-273-3/+12
| | | | | | | | This fixes some memleaks and potential buffer overflows in the irm tool. Signed-off-by: Sander Vrijders <[email protected]> Signed-off-by: Dimitri Staessens <[email protected]>
* lib: Remove configuration from FRCTDimitri Staessens2018-09-272-64/+17
| | | | | | | | This removes configuration from the FRCT protocol to send it during flow allocation. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* include: Remove _DEFAULT_SOURCE in endian.hDimitri Staessens2018-09-2725-3/+101
| | | | | | | | This removes the _DEFAULT_SOURCE definition in the endian header as it should not be there. This avoids double and conflicting definitions. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* ipcpd: Simplify routing algorithm selectionSander Vrijders2018-09-143-89/+85
| | | | | | | | | | Previously there was a separate function per routing algorithm selection, when in fact the algorithms all take as input a graph and output a routing table, making it possible to place them in a single function. Signed-off-by: Sander Vrijders <[email protected]> Signed-off-by: Dimitri Staessens <[email protected]>
* ipcpd: Check if mgmt flow event is FLOW_PKT0.11.12Sander Vrijders2018-07-271-1/+4
| | | | | | | | | The management flows were considering every event to be a FLOW_PKT event, when in fact it could also be a flow down or up event, resulting in indefinite reads. Signed-off-by: Sander Vrijders <[email protected]> Signed-off-by: Dimitri Staessens <[email protected]>
* ipcpd: Fix sequence number check for link state0.11.11Sander Vrijders2018-07-251-11/+11
| | | | | | | | | Commit a3903da659e introduced sequence number for the LSAs to make it more robust, but the check was not done properly, and the seqno was always changed regardless of whether it was an old LSA or not. Signed-off-by: Sander Vrijders <[email protected]> Signed-off-by: Dimitri Staessens <[email protected]>
* tools: Enhance irm connect and disconnect command0.11.10Sander Vrijders2018-07-232-26/+34
| | | | | | | | | | This enhances the irm connect and irm disconnect command to allow creating connections between IPCPs based on wildcard matching for the component name. In case no component was specified it sets up connections between all possible components. Signed-off-by: Sander Vrijders <[email protected]> Signed-off-by: Dimitri Staessens <[email protected]>
* ipcpd: Only forward new LSAs of the LSDBSander Vrijders2018-07-151-17/+36
| | | | | | | | | | | | This will add a sequence number to the Link State Advertisements so that upon receiving a LSA we can check if we need to forward the LSA or not. If we already have the LSA with the received seqno in the LSDB we do not forward it. This allows for setting up a management network that has loops since the spanning tree upon which the LSAs are sent is pruned on every hop. Signed-off-by: Sander Vrijders <[email protected]> Signed-off-by: Dimitri Staessens <[email protected]>
* ipcpd: React to flow events activelySander Vrijders2018-07-044-18/+55
| | | | | | | | This adds the infrastructure to actively react to flow up, down and deallocated events. Signed-off-by: Sander Vrijders <[email protected]> Signed-off-by: Dimitri Staessens <[email protected]>
* tools: Add unidirectional test to operfSander Vrijders2018-06-254-88/+208
| | | | | | | | This adds a unidirectional test to operf, which is handy for testing unidirectional streams. Signed-off-by: Sander Vrijders <[email protected]> Signed-off-by: Dimitri Staessens <[email protected]>
* ipcpd: Recalculate PFF only if LSDB changedSander Vrijders2018-06-191-18/+50
| | | | | | | | | This will add a flag so the PFF is only recalculated if the LSDB has changed. It also removes the instant recalculation of the LSDB if a new neighbor is added, since this might cause instabilities. Signed-off-by: Sander Vrijders <[email protected]> Signed-off-by: Dimitri Staessens <[email protected]>
* ipcpd: Change connection down to flow downSander Vrijders2018-06-197-19/+82
| | | | | | | | | | The DT component was flagging a connection as down and passing the fd that was down. Of course the other components expect a connection instead of just a fd. Now the connection manager will listen to flow up and down events, and flag the connection up or down if needed. Signed-off-by: Sander Vrijders <[email protected]> Signed-off-by: Dimitri Staessens <[email protected]>
* Merge branch 'testing' into beSander Vrijders2018-06-151-2/+6
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| * lib: Mark flows down on finiDimitri Staessens2018-06-151-2/+6
| | | | | | | | | | | | | | This will mark flows down when they are finalized. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* | Merge branch 'testing' into beSander Vrijders2018-06-151-2/+3
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| * ipcpd: Fix RIB output for dt componentDimitri Staessens2018-06-151-2/+3
| | | | | | | | | | | | | | | | The RIB output length was fixed for 3 qos cubes. Now it will scale correctly if QoS cubes are added or removed. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* | Merge branch 'testing' into beSander Vrijders2018-06-138-186/+89
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| * lib: Use macros for all time utility functions0.11.9Dimitri Staessens2018-06-136-163/+60
| | | | | | | | | | | | | | | | | | This replaces the time utility functions with macros. This avoids using library functions in the tools and also slightly speeds up the implementation. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
| * ipcpd: Get mtu using ioctl before hw addressDimitri Staessens2018-06-131-6/+6
| | | | | | | | | | | | | | | | | | The SIOCGIFMTU command uses the ifr struct, which is a union, so it can't store the hw address and the MTU at the same time. We now call SIOCGIFMTU and set the MTU before SIOCGIFHWADDR. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
| * ipcpd: Fix MTU handling in ethDimitri Staessens2018-06-131-16/+22
| | | | | | | | | | | | | | | | This fixes the MTU handling in eth. Buffers are now allocated to smaller size. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
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