1 files changed, 106 insertions, 0 deletions
diff --git a/modules.d/95fcoe/parse-fcoe.sh b/modules.d/95fcoe/parse-fcoe.sh
new file mode 100755
index 0000000..bde6b62
--- /dev/null
+++ b/modules.d/95fcoe/parse-fcoe.sh
@@ -0,0 +1,106 @@
+#!/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 [ -z "$fcoe" ] && ! getarg fcoe=; then
+    # If it's not set we don't continue
+    return 0
+fi
+
+if ! getargbool 1 rd.fcoe -d -n rd.nofcoe; then
+    info "rd.fcoe=0: skipping fcoe"
+    return 0
+fi
+
+if ! [ -e /sys/bus/fcoe/ctlr_create ] && ! modprobe -b -a fcoe && ! modprobe -b -a libfcoe; then
+    die "FCoE requested but kernel/initrd does not support FCoE"
+fi
+
+initqueue --onetime modprobe -b -q bnx2fc
+
+parse_fcoe_opts() {
+    local fcoe_interface
+    local fcoe_dcb
+    local fcoe_mode
+    local fcoe_mac
+    local OLDIFS="$IFS"
+    local IFS=:
+    # shellcheck disable=SC2086
+    # shellcheck disable=SC2048
+    set -- $*
+    IFS="$OLDIFS"
+
+    case $# in
+        2)
+            fcoe_interface=$1
+            fcoe_dcb=$2
+            fcoe_mode="fabric"
+            unset fcoe_mac
+            ;;
+        3)
+            fcoe_interface=$1
+            fcoe_dcb=$2
+            fcoe_mode=$3
+            unset fcoe_mac
+            ;;
+        7)
+            fcoe_mac=$(echo "$1:$2:$3:$4:$5:$6" | tr "[:upper:]" "[:lower:]")
+            fcoe_dcb=$7
+            fcoe_mode="fabric"
+            unset fcoe_interface
+            ;;
+        8)
+            fcoe_mac=$(echo "$1:$2:$3:$4:$5:$6" | tr "[:upper:]" "[:lower:]")
+            fcoe_dcb=$7
+            fcoe_mode=$8
+            unset fcoe_interface
+            ;;
+        *)
+            warn "Invalid arguments for fcoe=$fcoe"
+            return 1
+            ;;
+    esac
+
+    if [ "$fcoe_dcb" != "nodcb" -a "$fcoe_dcb" != "dcb" ]; then
+        warn "Invalid FCoE DCB option: $fcoe_dcb"
+    fi
+
+    if [ "$fcoe_interface" = "edd" ]; then
+        /sbin/initqueue --settled --unique /sbin/fcoe-edd "$fcoe_dcb"
+        return 0
+    fi
+
+    if [ -z "$fcoe_interface" -a -z "$fcoe_mac" ]; then
+        warn "fcoe: Neither interface nor MAC specified for fcoe=$fcoe"
+        return 1
+    fi
+
+    {
+        if [ -n "$fcoe_mac" ]; then
+            # shellcheck disable=SC2016
+            printf 'ACTION=="add", SUBSYSTEM=="net", ATTR{address}=="%s", RUN+="/sbin/initqueue --onetime --unique --name fcoe-up-$name /sbin/fcoe-up $name %s %s"\n' "$fcoe_mac" "$fcoe_dcb" "$fcoe_mode"
+            # shellcheck disable=SC2016
+            printf 'ACTION=="add", SUBSYSTEM=="net", ATTR{address}=="%s", RUN+="/sbin/initqueue --onetime --timeout --unique --name fcoe-timeout-$name /sbin/fcoe-up $name %s %s"\n' "$fcoe_mac" "$fcoe_dcb" "$fcoe_mode"
+        else
+            # shellcheck disable=SC2016
+            printf 'ACTION=="add", SUBSYSTEM=="net", NAME=="%s", RUN+="/sbin/initqueue --onetime --unique --name fcoe-up-$name /sbin/fcoe-up $name %s %s"\n' "$fcoe_interface" "$fcoe_dcb" "$fcoe_mode"
+            # shellcheck disable=SC2016
+            printf 'ACTION=="add", SUBSYSTEM=="net", NAME=="%s", RUN+="/sbin/initqueue --onetime --timeout --unique --name fcoe-timeout-$name /sbin/fcoe-up $name %s %s"\n' "$fcoe_interface" "$fcoe_dcb" "$fcoe_mode"
+        fi
+    } >> /etc/udev/rules.d/92-fcoe.rules
+}
+
+for fcoe in $fcoe $(getargs fcoe=); do
+    parse_fcoe_opts "$fcoe"
+done