| Current File : //lib/dracut/modules.d/95fcoe/parse-fcoe.sh |
#!/bin/sh
#
# Supported formats:
# fcoe=<networkdevice>:<dcb|nodcb>:<fabric|vn2vn>
# fcoe=<macaddress>:<dcb|nodcb>:<fabric|vn2vn>
#
# 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:vn2vn
# fcoe=4a:3f:4c:04:f8:d7:nodcb:fabric
if ! getargbool 1 rd.fcoe -d -n rd.nofcoe ; then
info "rd.fcoe=0: skipping fcoe"
return 0
fi
[ -z "$fcoe" ] && fcoe=$(getarg fcoe=)
# If it's not set we don't continue
[ -z "$fcoe" ] && return
[ -e /sys/bus/fcoe/ctlr_create ] || modprobe -b -a fcoe || modprobe -b -a libfcoe || die "FCoE requested but kernel/initrd does not support FCoE"
initqueue --onetime modprobe -b -q bnx2fc
parse_fcoe_opts() {
local OLDIFS="$IFS"
local IFS=:
set $fcoe
IFS="$OLDIFS"
case $# in
2)
fcoe_interface=$1
fcoe_dcb=$2
fcoe_mode="fabric"
return 0
;;
3)
fcoe_interface=$1
fcoe_dcb=$2
fcoe_mode=$3
return 0
;;
7)
fcoe_mac=$1:$2:$3:$4:$5:$6
fcoe_dcb=$7
fcoe_mode="fabric"
return 0
;;
8)
fcoe_mac=$1:$2:$3:$4:$5:$6
fcoe_dcb=$7
fcoe_mode=$8
return 0
;;
*)
warn "Invalid arguments for fcoe=$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