Add fcoe booting support
Supported cmdline formats: fcoe=<networkdevice>:<dcb|nodcb> fcoe=<macaddress>:<dcb|nodcb> Note currently only nodcb is supported, the dcb option is reserved for future use. Note letters in the macaddress must be lowercase! Examples: fcoe=eth0:nodcb fcoe=4A:3F:4C:04:F8:D7:nodcbmaster
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ffa264f077
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3508cc816e
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#!/bin/sh
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# We depend on network modules being loaded
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[ "$1" = "-d" ] && echo network
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# FIXME
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# If hostonly was requested, fail the check if we are not actually
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# booting from root.
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#[ "$1" = "-h" ] && ! egrep -q '/ /dev/nbd[0-9]*' /proc/mounts && exit 1
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exit 0
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#!/bin/sh
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# We use (fcoe_interface or fcoe_mac) and fcoe_dcb as set by parse-fcoe.sh
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# If neither mac nor interface are set we don't continue
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[ -z "$fcoe_interface" -a -z "$fcoe_mac" ] && return
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# Write udev rules
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{
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if [ -n "$fcoe_mac" ] ; then
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printf 'ACTION=="add", SUBSYSTEM=="net", ATTR{address}=="%s", RUN+="/sbin/fcoe-up $env{INTERFACE} %s"\n' "$fcoe_mac" "$fcoe_dcb"
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else
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printf 'ACTION=="add", SUBSYSTEM=="net", KERNEL=="%s", RUN+="/sbin/fcoe-up $env{INTERFACE} %s"\n' "$fcoe_interface" "$fcoe_dcb"
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fi
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} > /etc/udev/rules.d/60-fcoe.rules
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#!/bin/sh
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#
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# We get called like this:
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# /sbin/fcoe-up <network-device> <dcb|nodcb>
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#
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# Note currently only nodcb is supported, the dcb option is reserved for
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# future use.
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# Huh? Missing arguments ??
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[ -z "$1" -o -z "$2" ] && exit 1
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netif=$1
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dcb=$2
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/sbin/ip link set "$netif" up
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echo -n "$netif" > /sys/module/fcoe/parameters/create
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#!/bin/bash
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dracut_install ip
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inst "$moddir/fcoe-up" "/sbin/fcoe-up"
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inst_hook pre-udev 60 "$moddir/fcoe-genrules.sh"
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inst_hook cmdline 99 "$moddir/parse-fcoe.sh"
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#!/bin/bash
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instmods fcoe
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#!/bin/sh
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#
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# Supported formats:
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# fcoe=<networkdevice>:<dcb|nodcb>
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# fcoe=<macaddress>:<dcb|nodcb>
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#
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# Note currently only nodcb is supported, the dcb option is reserved for
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# future use.
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#
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# Note letters in the macaddress must be lowercase!
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#
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# Examples:
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# fcoe=eth0:nodcb
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# fcoe=4A:3F:4C:04:F8:D7:nodcb
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[ -z "$fcoe" ] && fcoe=$(getarg fcoe=)
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# If it's not set we don't continue
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[ -z "$fcoe" ] && return
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parse_fcoe_opts() {
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local IFS=:
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set $fcoe
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case $# in
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2)
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fcoe_interface=$1
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fcoe_dcb=$2
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;;
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7)
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fcoe_mac=$1:$2:$3:$4:$5:$6
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fcoe_dcb=$7
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;;
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*)
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die "Invalid arguments for fcoe="
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;;
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esac
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}
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parse_fcoe_opts
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# currently only nodcb is supported
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if [ "$fcoe_dcb" != "nodcb" ] ; then
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die "Invalid FCoE DCB option: $fcoe_dcb"
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fi
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# FCoE actually supported?
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[ -e /sys/module/fcoe/parameters/create ] || modprobe fcoe || die "FCoE requested but kernel/initrd does not support FCoE"
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