1# 2# CDDL HEADER START 3# 4# The contents of this file are subject to the terms of the 5# Common Development and Distribution License (the "License"). 6# You may not use this file except in compliance with the License. 7# 8# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9# or http://www.opensolaris.org/os/licensing. 10# See the License for the specific language governing permissions 11# and limitations under the License. 12# 13# When distributing Covered Code, include this CDDL HEADER in each 14# file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15# If applicable, add the following below this CDDL HEADER, with the 16# fields enclosed by brackets "[]" replaced with your own identifying 17# information: Portions Copyright [yyyy] [name of copyright owner] 18# 19# CDDL HEADER END 20# 21# 22# Copyright(c) 2007-2010 Intel Corporation. All rights reserved. 23# 24# Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved. 25# 26# 27# 28# Driver.conf file for Intel 1Gb ethernet driver (igb) 29# 30# -------------------- Link Configuration -------------------- 31# The parameters of link configuration: 32# 33# adv_autoneg_cap 34# Advertise capability of auto-negotiation. 35# Allowed values: 0, 1 36# Default value: 1 37# 38# adv_1000fdx_cap 39# Advertise capability of 1000Mbps full duplex 40# Allowed values: 0, 1 41# Default value: 1 42# 43# adv_100fdx_cap 44# Advertise capability of 100Mbps full duplex 45# Allowed values: 0, 1 46# Default value: 1 47# 48# adv_100hdx_cap 49# Advertise capability of 100Mbps half duplex 50# Allowed values: 0, 1 51# Default value: 1 52# 53# adv_10fdx_cap 54# Advertise capability of 10Mbps full duplex 55# Allowed values: 0, 1 56# Default value: 1 57# 58# adv_10hdx_cap 59# Advertise capability of 10Mbps half duplex 60# Allowed values: 0, 1 61# Default value: 1 62# 63# There are two methods to configure the link: 64# autonegotiation or forced link 65# 66# The parameter "adv_autoneg_cap" is used to enable autonegotiation or disable 67# it (forced link mode). 68# 69# If autonegotiation is enabled (the default mode), all the "adv_*_cap" 70# parameters control which capabilities are advertised to the partner. The 71# default is to advertise all the capabilities that the hardware supports. 72# The advertised capabilities can also be restricted to a subset. It is not 73# possible to advertise a capability that the hardware does not support. 74# 75# The autonegotiation process will then automatically select the fastest speed/ 76# duplex mode supported by both partners. 77# 78# If autonegotiation is disabled (forced link mode), the link speed/duplex is 79# determined by the first link capability that is enabled, in highest-to-lowest 80# speed/duplex order. 81# 82# For example, if adv_1000fdx_cap is enabled, all other values will be ignored; 83# to force 10hdx mode, all the faster modes must be explicitly disabled. 84# 85# Note: 86# 1. 1000M half duplex is not supported with igb. 87# 2. 1000M speed is not supported with the forced link mode (the value of 88# adv_1000fdx_cap will be ignored). 89# 3. The forced link mode may result in a non-working link or a half duplex 90# link. If forced link mode is used, both the partners should be forced to 91# the same link/speed mode. 92# 93# adv_autoneg_cap = 1; 94# adv_1000fdx_cap = 1; 95# adv_100fdx_cap = 1; 96# adv_100hdx_cap = 1; 97# adv_10fdx_cap = 1; 98# adv_10hdx_cap = 1; 99# 100# -------------------- Jumbo Frame -------------------- 101# default_mtu 102# The size of the default MTU (payload without the ethernet header) 103# Allowed values: 1500 - 9000 104# Default value: 1500 105# 106# default_mtu = 1500; 107# 108# -------------------- Flow Control -------------------- 109# flow_control 110# Ethernet flow control 111# Allowed values: 0 - Disable 112# 1 - Receive only 113# 2 - Transmit only 114# 3 - Receive and transmit 115# 4 - Use NVROM-programmed factory default setting 116# default value: 3 117# 118# flow_control = 3; 119# 120# -------------------- Transmit/Receive Queues -------------------- 121# 122# tx_ring_size 123# The number of the transmit descriptors per transmit queue 124# Allowed values: 64 - 4096 125# Default value: 512 126# 127# rx_ring_size 128# The number of the receive descriptors per receive queue 129# Allowed values: 64 - 4096 130# Default value: 512 131# 132# mr_enable 133# Enable multiple rx queues and tx queues 134# Allowed values: 0, 1 135# Default value: 0 136# 137# rx_group_number 138# The number of the receive ring groups 139# Allowed values: 1 - 4 140# Default value: 1 141# 142# Note: If the specified values of the rx_group_number are not supported by 143# hardware, the rx_group_number will be downgrade to an acceptable value. 144# 145# -------- How to set parameters for a particular interface --------- 146# The example below shows how to locate the device path and set a parameter 147# for a particular igb interface. (Using flow_control as an example) 148# 149# Use the following command to find out the device paths for igb, 150# more /etc/path_to_inst | grep igb 151# 152# For example, if you see, 153# "/pci@0,0/pci10de,5d@d/pci8086,0@0" 0 "igb" 154# "/pci@0,0/pci10de,5d@d/pci8086,0@0,1" 1 "igb" 155# 156# name = "pciex8086,10a7" parent = "/pci@0,0/pci10de,5d@d" unit-address = "0" 157# flow_control = 1; 158# name = "pciex8086,10a7" parent = "/pci@0,0/pci10de,5d@d" unit-address = "0,1" 159# flow_control = 3; 160