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* 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 <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* 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 <sander.vrijders@ugent.be> Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
* 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 <sander.vrijders@ugent.be> Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
* 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 <sander.vrijders@ugent.be> Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
* 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 <sander.vrijders@ugent.be> Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
* 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 <sander.vrijders@ugent.be> Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
* 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 <sander.vrijders@ugent.be> Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
* 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 <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* 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 <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* 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 <sander.vrijders@ugent.be> Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
* 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 <sander.vrijders@ugent.be> Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
* 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 <sander.vrijders@ugent.be> Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
* 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 <sander.vrijders@ugent.be> Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
* 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 <sander.vrijders@ugent.be> Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
* 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 <sander.vrijders@ugent.be> Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
* 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 <sander.vrijders@ugent.be> Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
* 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 <sander.vrijders@ugent.be> Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
* 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 <sander.vrijders@ugent.be> Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
* 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 <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* | 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 <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* | 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 <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
| * 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 <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
| * 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 <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
| * lib: Change prefix to mountpt in RIBSander Vrijders2018-06-131-1/+1
| | | | | | | | | | | | | | | | The build failed if FUSE was disabled, since instead of voiding mountpt, prefix, an unexisting variable, was voided. Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be> Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
* | tools: Add newlines to printf statements in opingSander Vrijders2018-06-082-3/+3
| | | | | | | | | | | | | | | | There were some missing newlines in printf statements in oping. This adds them. Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be> Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
* | Merge branch 'testing' into beSander Vrijders2018-06-082-136/+40
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| * irmd: Remove shm_sanitizer threadDimitri Staessens2018-06-082-136/+40
| | | | | | | | | | | | | | | | | | | | This removes the sanitizer thread in the IRMd to avoid the IRMd eating the CPU when the buffer is full. The processes will clean the head PDU if there is a broken lock in the rdrbuff. Chances for a lingering tail PDU are slim. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* | Merge branch 'testing' into beSander Vrijders2018-06-082-1/+16
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| * ipcpd: Limit eth MTU to rdrb in single-block modeDimitri Staessens2018-06-082-1/+16
| | | | | | | | | | | | | | | | | | 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 <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* | lib: Fix bad bounds calculation in frctDimitri Staessens2018-06-081-1/+1
| | | | | | | | | | | | | | | | | | Since the seqno is further ahead than the lwe (this was checked before), we can safely use seqno - lwe in unsigned arithmetic as the distance in the sequence number space. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* | ipcpd: Support data QoS cube in UDP shimSander Vrijders2018-06-081-1/+1
| | | | | | | | | | | | | | | | This will also allow flows with the data QoS cube to be allocated over the UDP shim. Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be> Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
* | lib: Add a data qos cubeDimitri Staessens2018-06-089-15/+48
|/ | | | | | | | 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 <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* ipcpd: Support raw qos in eth and udp IPCPsDimitri Staessens2018-06-082-2/+2
| | | | | | | | Flow allocation for raw was not yet supported in these IPCPS, causing enrollment to fail. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* lib: Remove unused #define in rdrbuffDimitri Staessens2018-06-081-3/+0
| | | | | | | This removes a #define that was not used anymore Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* lib: Fix rollover and return value in FRCTDimitri Staessens2018-06-081-4/+6
| | | | | | | | | The __frct_rcv should return -EAGAIN if there is no packet for the application, but 0 was always returned. Also fixes sequence number rollover. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* ipcpd: Add priority for raw flowsDimitri Staessens2018-06-073-0/+8
| | | | | | | | The raw flows had no priority assigned, causing the scheduler to fail on creation. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* irmd: Retry bind for live processesDimitri Staessens2018-06-061-5/+20
| | | | | | | | | If bind was called before the process registered with the IRMd, the bind operation would fail. The IRMd will now wait for a short period until the process is registered or exits. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* tools: Add quiet option to opingDimitri Staessens2018-06-062-18/+32
| | | | | | | | | This adds a --quiet -Q option to oping so it will only print the statistics summary. Also fixes a division by 0 if duration is specified with interval 0. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* tools: Support qosspecs in opingDimitri Staessens2018-06-052-17/+39
| | | | | | | | The oping tool can now select a qos spec to use. Allowed specs are predefined an chosen using "raw", "best", "video" or "voice". Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* lib: Define default qosspecs in qos sourcesDimitri Staessens2018-06-052-32/+33
| | | | | | | | | This moves the definition of the predefined qosspecs to qos.h and qos.c. This allows applications to select them using qos_best_effort etc. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* tools: Allow specifying duration for opingDimitri Staessens2018-06-051-6/+39
| | | | | | | | | This adds a -d, --duration option to oping. Now all durations can be specified in milliseconds (ms, default), seconds (s), minutes (m), hours (h), or days(d). Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* tools: Add out-of-order statistics to opingDimitri Staessens2018-06-052-3/+16
| | | | | | | | | This adds out-of-order statistics to the oping tool. A packet is considered out-of-order if its sequence number is lower than the highest sequence number already received. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* lib: Add a QOS_RAW QoS cubeDimitri Staessens2018-06-052-14/+34
| | | | | | | | | This adds a QoS cube that allows sending packets directly over a raw flow, without an FRCT state machine. Flow allocation with a NULL qosspec will now default to such raw flows. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* lib: Simplify delta-t logicDimitri Staessens2018-06-051-54/+55
| | | | | | | | | | This revises the delta-t implementation to align with Watson's timer specifications. FRCT will never deliver out-of-order packets. A raw flow (without delta-t state machine) will be able to provide such a service. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* lib: Remove rq testsDimitri Staessens2018-06-042-116/+0
| | | | | | | The rq was removed in a previous commit. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* lib: Fix memleak in hashtable testDimitri Staessens2018-06-041-0/+1
| | | | | | | The element was not freed if insertion failed. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* lib: Revise FRCT reorderingDimitri Staessens2018-06-045-249/+47
| | | | | | | | The reordering queue is replaced by a fixed ring buffer for speed and simplicity. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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