On Wed, 17 Aug 2022 11:28:20 +0000 Mikael R Carlsson <[email protected]> wrote:
> Hi! > > Sorry for asking such a basic question but I have a hard time understanding > the "port" concept in rte_eth_dev. > > I am using 2 VFs on the same physical port on a NIC, VF7 and VF6. These to > VFs have there own unique PCI address. When I call > rte_eth_dev_get_port_by_name, I suspect that I get the same port id from both > PCI addresses (not sure here, still looking into this) > > Could someone please give me a short explanation of the "port" concept in > rte_eth_dev, and how that correlates to PCI address and also eth_dev_rx_burst > assuming you want to poll only from VF7 for example. > > Thanks in advance! > > / Mikael > DPDK ethdev port is more of an object index (like Linux file handle). It can refer to many different types of devices.
