Net Driver Tests¶

Basic tests

Getting information about driver.
Reset NIC with SIOCETHTOOL
Changing MAC address and receiving
Changing MAC address and sending
MTU usage for TCP packets
MTU usage for UDP packets
Sending and receiving multicast packets
ping tool
Read driver sysfs files
Sending and receiving data
Setting interface DOWN

Devlink tests

ct_thresh device parameter
dist_layout device parameter
separated_cpu device parameter

Ethtool tests

get and check ring size with ethtool
Getting device properties with ethtool
Change driver message level
Reset NIC when data flows
Show pause parameters with ethtool
Getting interface statistics with ethtool
Get timestamping capabilities

Offloads tests

Receive Offload for TCP packets
Turning on/off Rx/Tx checksum offloading.
TCP Segmentation Offload

PTP tests

Tune clock frequency
Add offset to the current time
Get PTP clock capabilities
Get current time
Use ptp4l to synchronize clocks
Set clock time
Use sfptpd to synchronize clocks
Check PTP_SYS_OFFSET ioctl
Check PTP_SYS_OFFSET_EXTENDED ioctl
Check PTP_SYS_OFFSET_PRECISE ioctl

RSS tests

Check sending and receiving with AF_XDP sockets
Rx classification rule and AF_XDP socket
Two Rx rules and AF_XDP sockets
Changing number of combined channels.
Getting RSS hash key.
Changing RSS hash key.
Changing RSS hash indirection table.
Adding Rx rule for TCP or UDP
Two rules, one of them omits src or dst
Adding too many Rx rules

Rx path tests

Setting rx_coalesce_usecs to a specific value

Unloading driver when data flows

driver_unload_traffic

Setting interface DOWN/UP