# dhcpd.conf include file for Etherboot
#
# Include this file from your /etc/dhcpd.conf
# $Id$
# Definition of Etherboot options
# (taken from vendortags.html)
# We use an encapsulated option space to avoid polluting the site-local DHCP option space
#
option space etherboot;
option etherboot-encapsulated-options code 150 = encapsulate etherboot;
# Definition of option codes within the etherboot-encapsulated-options space
#
option etherboot.extensions-path code 18 = string;
option etherboot.magic code 128 = string;
option etherboot.kernel-cmdline code 129 = string;
option etherboot.menu-opts code 160 = string;
option etherboot.nic-dev-id code 175 = string;
option etherboot.menu-selection code 176 = unsigned integer 8;
option etherboot.motd-1 code 184 = string;
option etherboot.motd-2 code 185 = string;
option etherboot.motd-3 code 186 = string;
option etherboot.motd-4 code 187 = string;
option etherboot.motd-5 code 188 = string;
option etherboot.motd-6 code 189 = string;
option etherboot.motd-7 code 190 = string;
option etherboot.motd-8 code 191 = string;
option etherboot.image-1 code 192 = string;
option etherboot.image-2 code 193 = string;
option etherboot.image-3 code 194 = string;
option etherboot.image-4 code 195 = string;
option etherboot.image-5 code 196 = string;
option etherboot.image-6 code 197 = string;
option etherboot.image-7 code 198 = string;
option etherboot.image-8 code 199 = string;
option etherboot.image-9 code 200 = string;
option etherboot.image-10 code 201 = string;
option etherboot.image-11 code 202 = string;
option etherboot.image-12 code 203 = string;
option etherboot.image-13 code 204 = string;
option etherboot.image-14 code 205 = string;
option etherboot.image-15 code 206 = string;
option etherboot.image-16 code 207 = string;
option etherboot.kmod code 254 = string;
# Legacy support for Etherboot options as site-local options (i.e. non-encapsulated)
# Note: options defined after the switch to encapsulated options should not be defined here
#
option legacy-etherboot-magic code 128 = string;
option legacy-etherboot-kernel-cmdline code 129 = string;
option legacy-etherboot-menu-opts code 160 = string;
option legacy-etherboot-menu-selection code 176 = unsigned integer 8;
option legacy-etherboot-motd-1 code 184 = string;
option legacy-etherboot-motd-2 code 185 = string;
option legacy-etherboot-motd-3 code 186 = string;
option legacy-etherboot-motd-4 code 187 = string;
option legacy-etherboot-motd-5 code 188 = string;
option legacy-etherboot-motd-6 code 189 = string;
option legacy-etherboot-motd-7 code 190 = string;
option legacy-etherboot-motd-8 code 191 = string;
option legacy-etherboot-image-1 code 192 = string;
option legacy-etherboot-image-2 code 193 = string;
option legacy-etherboot-image-3 code 194 = string;
option legacy-etherboot-image-4 code 195 = string;
option legacy-etherboot-image-5 code 196 = string;
option legacy-etherboot-image-6 code 197 = string;
option legacy-etherboot-image-7 code 198 = string;
option legacy-etherboot-image-8 code 199 = string;
option legacy-etherboot-image-9 code 200 = string;
option legacy-etherboot-image-10 code 201 = string;
option legacy-etherboot-image-11 code 202 = string;
option legacy-etherboot-image-12 code 203 = string;
option legacy-etherboot-image-13 code 204 = string;
option legacy-etherboot-image-14 code 205 = string;
option legacy-etherboot-image-15 code 206 = string;
option legacy-etherboot-image-16 code 207 = string;
# Apply Etherboot options only for Etherboot clients
#
if substring ( option vendor-class-identifier, 0, 9 ) = "Etherboot" {
# We must specify this value for etherboot-magic, or Etherboot will
# ignore all other options.
#
option etherboot.magic E4:45:74:68:00:00;
# Bootfile name: derive from etherboot.kmod (calculated below)
# Use boot.nbi if no NIC_DEV_ID option present
# (i.e. if etherboot.kmod doesn't get set)
# Also pass filename back in filename field
#
option bootfile-name = pick-first-value ( concat ( "boot-",
config-option etherboot.kmod,
".nbi" ),
"boot.nbi" ) ;
filename = config-option bootfile-name;
# "Sensible" default values for some options
# Mount devfs (will probably be needed for a network-boot)
option etherboot.kernel-cmdline " devfs=mount";
# Info message (includes client IP address, MAC address, hardware ID string,
# server IP address and name of boot file)
option etherboot.motd-4 = concat ( "Using Etherboot to boot ",
binary-to-ascii ( 10, 8, ".", leased-address ),
" [",
binary-to-ascii ( 16, 8, ":", suffix ( hardware, 6 ) ),
"] [",
pick-first-value ( option etherboot.nic-dev-id, "unknown card" ),
"]", 0d:0a, " from ",
binary-to-ascii ( 10, 8, ".", option dhcp-server-identifier ),
" with file ",
config-option tftp-server-name,
":",
config-option bootfile-name,
" [",
pick-first-value ( config-option etherboot.kmod, "unknown module" ),
"]", 0d:0a );
# Legacy site-local option support
# If client does not include an etherboot-encapsulated-options field in its DHCPREQUEST, then
# it will not understand etherboot-encapsulated-options in the DHCPACK and so we must send
# back the options as site-local options (i.e. not encapsulated).
# Note: we need do this only for options that existed prior to the switch to encapsulation.
#
if not exists etherboot-encapsulated-options {
option legacy-etherboot-magic = config-option etherboot.magic;
option legacy-etherboot-kernel-cmdline = config-option etherboot.kernel-cmdline;
option legacy-etherboot-menu-opts = config-option etherboot.menu-opts;
option legacy-etherboot-menu-selection = config-option etherboot.menu-selection;
option legacy-etherboot-motd-1 = config-option etherboot.motd-1;
option legacy-etherboot-motd-2 = config-option etherboot.motd-2;
option legacy-etherboot-motd-3 = config-option etherboot.motd-3;
option legacy-etherboot-motd-4 = config-option etherboot.motd-4;
option legacy-etherboot-motd-5 = config-option etherboot.motd-5;
option legacy-etherboot-motd-6 = config-option etherboot.motd-6;
option legacy-etherboot-motd-7 = config-option etherboot.motd-7;
option legacy-etherboot-motd-8 = config-option etherboot.motd-8;
option legacy-etherboot-image-1 = config-option etherboot.image-1;
option legacy-etherboot-image-2 = config-option etherboot.image-2;
option legacy-etherboot-image-3 = config-option etherboot.image-3;
option legacy-etherboot-image-4 = config-option etherboot.image-4;
option legacy-etherboot-image-5 = config-option etherboot.image-5;
option legacy-etherboot-image-6 = config-option etherboot.image-6;
option legacy-etherboot-image-7 = config-option etherboot.image-7;
option legacy-etherboot-image-8 = config-option etherboot.image-8;
option legacy-etherboot-image-9 = config-option etherboot.image-9;
option legacy-etherboot-image-10 = config-option etherboot.image-10;
option legacy-etherboot-image-11 = config-option etherboot.image-11;
option legacy-etherboot-image-12 = config-option etherboot.image-12;
option legacy-etherboot-image-13 = config-option etherboot.image-13;
option legacy-etherboot-image-14 = config-option etherboot.image-14;
option legacy-etherboot-image-15 = config-option etherboot.image-15;
option legacy-etherboot-image-16 = config-option etherboot.image-16;
}
}
# Some options should be set for both Etherboot and the udhcpc client
#
if ( ( substring ( option vendor-class-identifier, 0, 9 ) = "Etherboot" )
or ( substring ( option vendor-class-identifier, 0, 5 ) = "udhcp" ) ) {
# TFTP server defaults to DHCP server and is specified in both
# next-server field and tftp-server-name option field
#
option tftp-server-name = binary-to-ascii ( 10, 8, ".", config-option dhcp-server-identifier );
server-name = config-option tftp-server-name;
next-server = config-option dhcp-server-identifier;
# Root path defaults to root of TFTP server
option root-path = concat ( config-option tftp-server-name, ":/" );
# A fallback hostname, generated from the IP address
option host-name = concat ( "client_", binary-to-ascii ( 10, 8, "_", leased-address ) );
}
# Force some items onto parameter request list for udhcp
#
if substring ( option vendor-class-identifier, 0, 5 ) = "udhcp" {
# Forcibly add root-path to list
option dhcp-parameter-request-list = concat ( option dhcp-parameter-request-list, 11 );
}
# Etherboot sends a string to identify the NIC in etherboot.nic-dev-id.
# For PCI NICs, this string is of the form "PCI:vvvv:dddd" where vvvv is the
# vendor identifier and dddd the device identifier, in lower-case ASCII hex.
# For ISA NICs, the format of the string is "ISA:..." where ... is not yet
# decided upon.
#
# We use the identifier to select the NBI image that will be specified via
# the "bootfile-name" option.
#
# PCI NICs - use PCI vendor and device IDs
# Listed in file generated by mknbi-set
#
include "/etc/dhcpd.conf.etherboot-pcimap.include";
# ISA NICs
#
if substring ( option vendor-class-identifier, 0, 9 ) = "Etherboot" {
if exists etherboot.nic-dev-id {
}
}
