5.11. Linux DPDK - emllDpdk
The Real-time Ethernet Driver DPDK is based on the Data Plane Development Kit (DPDK). See https://www.dpdk.org for more informations. It does not need the atemsys driver and uses Ethernet adapters that are bound to the DPDK interface.
Note
Root privileges are required.
The interface can be configurated using the following steps:
Install the DPDK library (V23.11) on the Linux system.
- Bind the needed devices to a DPDK-compatible driver. The driver may also need to be loaded, as it may be unloaded per default.
sudo modprobe uio_pci_generic ./usertools/dpdk-devbind.py --bind=uio_pci_generic 03:00.0
Check https://doc.dpdk.org/guides/linux_gsg/linux_drivers.html for more infos regarding the drivers.
- Create huge pages
mkdir -p /dev/hugepages mountpoint -q /dev/hugepages || mount -t hugetlbfs nodev /dev/hugepages echo 256 > /sys/devices/system/node/node0/hugepages/hugepages-2048kB/nr_hugepages
The parameters to the Real-time Ethernet Driver DPDK are setup-specific. The function CreateLinkParmsFromCmdLineDpdk() in EcSelectLinkLayer.cpp demonstrates how to initialize the Real-time Ethernet Driver instance.
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struct EC_T_LINK_PARMS_DPDK
Public Members
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EC_T_LINK_PARMS linkParms
Common link parameters. Signature must be set to EC_LINK_PARMS_SIGNATURE_DPDK
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EC_T_LINK_PARMS linkParms