# # Copyright (c) 2012-2014, Intel Corporation # All rights reserved. # # # Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved. # # # Driver.conf file for Oracle Quad 10GbE NIC Driver (i40e) # # -------------------- Jumbo Frame -------------------- # default_mtu # The size of the default MTU (payload without the ethernet header) # Allowed values: 576 - 9706 # Default value: 1500 # # default_mtu = 1500; # # -------------------- Flow Control -------------------- # flow_control # Ethernet flow control # Allowed values: 0 - Disable # 1 - Receive only # 2 - Transmit only # 3 - Receive and transmit # default value: 0 # # flow_control = 0; # # -------------------- Transmit/Receive Queues -------------------- # num_lan_queue_pairs # The number of queue pairs for the default LAN VSI # Allowed values: 1 - 64 # Default value: 32 # # num_vmdq_queue_pairs # The number of queue pairs for VMDq VSI # Allowed values: 1 - 16 # Default value: 2 # # tx_ring_size # The number of the transmit descriptors per transmit queue # The actual value will be rounded up to the next multiple of 8. # Allowed values: 64 - 4096 # Default value: 1024 # # rx_ring_size # The number of the receive descriptors per receive queue # The actual value will be rounded up to the next multiple of 8. # Allowed values: 64 - 4096 # Default value: 1024 # # num_vmdq_vsis # The number of VMDq VSIs # Allowed values: 0 - 64 # Default value: 0 # # -------------------- Interrupt Throttling ------------------------- # rx_itr # The interval of receive interrupts # It is defined in 2 usec units enabling interval range from zero to # 8160 usec (0xFF0). Setting the rx_itr to zero enable immediate # interrupt. # Allowed values: 0 - 4080 # Default value: 25 # # tx_itr # The interval of transmit interrupts # It is defined in 2 usec units enabling interval range from zero to # 8160 usec (0xFF0). Setting the tx_itr to zero enable immediate # interrupt. # Allowed values: 0 - 4080 # Default value: 25 # # -------- How to set parameters for a particular interface --------- # The example below shows how to locate the device path and set a parameter # for a particular i40e interface. (Using rx_ring_size as an example) # # Use the following command to find out the device paths for i40e, # more /etc/path_to_inst | grep i40e # # For example, if you see, # "/pci@340/pci@1/pci@0/pci@5/ethernet@0" 0 "i40e" # "/pci@340/pci@1/pci@0/pci@5/ethernet@0,1" 1 "i40e" # # name = "pciex8086,1583" parent = "/pci@340/pci@1/pci@0/pci@5" unit-address = "0" # rx_ring_size = 2048; # name = "pciex8086,1583" parent = "/pci@340/pci@1/pci@0/pci@5" unit-address = "0,1" # rx_ring_size = 4096;