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2019-03-06PROX generator: performance optimization (2/4)Xavier Simonart1-3/+0
Improve PROX generator performance by pre-calculating bytes_to_tsc. This improvement is only implemented for non-pcap generator, where only few different packet sizes are usually generated. This change might have a negative performance impact in some cases, if many different packet sizes are generated, resulting in higher memory usage. This is the case for instance if random is applied to packet size. In addition, simplified the rx path, receiving now only MAX_PKT_BURST packets per handle loop. Before we were trying to empty the NIC looping on RX packets, ending up with many rx packets per handle loop. This was used to determine an lower bound for the time the packet was received. We now set the lower bound when less than MAX_PKT_BURST has been received. Change-Id: I1ce813d7e4ac1577ea412c590add5d6f94b36ec7 Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
2019-02-20Use link speed from device capability instead of negotiated speedaXavier Simonart1-2/+7
JIRA: SAMPLEVNF-151 link speed is used in gen and lat latency extrapolations. Using a link_speed value lower than the actual link speed might result in errors (e.g. negative latencies). Negotiated link speed might be reported slowly (as reported through irq) Hence it is better to use the device capability link speed. In addition, this remove the check for link speed changes in fastpath. Change-Id: I0f475fe5e139b046012de6cd0b710e4390735078 Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
2018-10-31Support for DPDK 18.05 and DPDK 18.08Xavier Simonart1-0/+1
Improve DPDK 18.05 support introduced by 3e532aca. Support for DPDK 18.08. Change-Id: Ide712ee94254b506a0ad88c95a7e01b789f99d48 Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
2017-10-25Merge changes from PROX-v041Patrice Buriez1-11/+39
Change-Id: Ie6d4e7ce22c27967117a446626f5923643397812 Signed-off-by: Patrice Buriez <patrice.buriez@intel.com>
2017-07-14Adding PROX(Packet pROcessing eXecution engine) VNF to sampleVNFDeepak S1-0/+241
JIRA: SAMPLEVNF-55 PROX is a DPDK-based application implementing Telco use-cases such as a simplified BRAS/BNG, light-weight AFTR... It also allows configuring finer grained network functions like QoS, Routing, load-balancing... (We are moving PROX version v039 to sampleVNF https://01.org/intel-data-plane-performance-demonstrators/prox-overview) Change-Id: Ia3cb02cf0e49ac5596e922c197ff7e010293d033 Signed-off-by: Deepak S <deepak.s@linux.intel.com>