Current File : //usr/lib/dracut/modules.d/95fcoe/parse-fcoe.sh
#!/bin/sh
# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
# ex: ts=8 sw=4 sts=4 et filetype=sh
#
# Supported 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:nodcb
[ -z "$fcoe" ] && fcoe=$(getarg fcoe=)
# If it's not set we don't continue
[ -z "$fcoe" ] && return
# BRCM: Later, should check whether bnx2x is loaded first before loading bnx2fc so do not load bnx2fc when there are no Broadcom adapters
[ -e /sys/bus/fcoe/ctlr_create ] || modprobe -b -a fcoe || die "FCoE requested but kernel/initrd does not support FCoE"
initqueue --onetime modprobe -b -q bnx2fc
parse_fcoe_opts() {
local OLDIFS="$IFS"
local IFS=:
set $fcoe
IFS="$OLDIFS"
case $# in
2)
fcoe_interface=$1
fcoe_dcb=$2
return 0
;;
7)
fcoe_mac=$1:$2:$3:$4:$5:$6
fcoe_dcb=$7
return 0
;;
*)
warn "Invalid arguments for fcoe=$fcoe"
return 1
;;
esac
}
parse_fcoe_opts
if [ "$fcoe_interface" = "edd" ]; then
if [ "$fcoe_dcb" != "nodcb" -a "$fcoe_dcb" != "dcb" ] ; then
warn "Invalid FCoE DCB option: $fcoe_dcb"
fi
/sbin/initqueue --settled --unique /sbin/fcoe-edd $fcoe_dcb
else
for fcoe in $(getargs fcoe=); do
unset fcoe_mac
unset fcoe_interface
parse_fcoe_opts
if [ "$fcoe_dcb" != "nodcb" -a "$fcoe_dcb" != "dcb" ] ; then
warn "Invalid FCoE DCB option: $fcoe_dcb"
fi
. $(command -v fcoe-genrules.sh)
done
fi
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