lspci
lspci is a Linux utility for displaying information about PCI buses in the system and devices connected to PCI buses. Please check if there is any information about SmartNICs using lspci.
The following example is an lspci output for Napatech SmartNICs using the -d option with the Napatech vendor ID 18f4.
$ lspci -d 18f4: 05:00.0 Network controller: Napatech A/S NT20E3-2-PTP Network Adapter 2x10Gb 07:00.0 Network controller: Napatech A/S NT40E3-4-PTP Network Adapter 4x10Gb