1 files changed, 122 insertions, 0 deletions
diff --git a/modules.d/95fcoe/module-setup.sh b/modules.d/95fcoe/module-setup.sh
new file mode 100755
index 0000000..3de85c2
--- /dev/null
+++ b/modules.d/95fcoe/module-setup.sh
@@ -0,0 +1,122 @@
+#!/bin/bash
+
+# called by dracut
+check() {
+    is_fcoe() {
+        block_is_fcoe "$1" || return 1
+    }
+
+    [[ $hostonly ]] || [[ $mount_needs ]] && {
+        for_each_host_dev_and_slaves is_fcoe || return 255
+    }
+
+    require_binaries dcbtool fipvlan lldpad ip readlink fcoemon fcoeadm tr || return 1
+    return 0
+}
+
+# called by dracut
+depends() {
+    echo network rootfs-block
+    return 0
+}
+
+# called by dracut
+installkernel() {
+    instmods fcoe libfcoe 8021q edd bnx2fc
+}
+
+get_vlan_parent() {
+    local link=$1
+
+    [ -d "$link" ] || return
+    read -r iflink < "$link"/iflink
+    for if in /sys/class/net/*; do
+        read -r idx < "$if"/ifindex
+        if [ "$idx" -eq "$iflink" ]; then
+            echo "${if##*/}"
+        fi
+    done
+}
+
+# called by dracut
+cmdline() {
+    {
+        for c in /sys/bus/fcoe/devices/ctlr_*; do
+            [ -L "$c" ] || continue
+            read -r enabled < "$c"/enabled
+            read -r mode < "$c"/mode
+            [ "$enabled" -eq 0 ] && continue
+            if [ "$mode" = "VN2VN" ]; then
+                mode="vn2vn"
+            else
+                mode="fabric"
+            fi
+            d=$(
+                cd -P "$c" || exit
+                echo "$PWD"
+            )
+            i=${d%/*}
+            ifname=${i##*/}
+            read -r mac < "${i}"/address
+            s=$(dcbtool gc "${i##*/}" dcb 2> /dev/null | sed -n 's/^DCB State:\t*\(.*\)/\1/p')
+            if [ -z "$s" ]; then
+                p=$(get_vlan_parent "${i}")
+                if [ "$p" ]; then
+                    s=$(dcbtool gc "${p}" dcb 2> /dev/null | sed -n 's/^DCB State:\t*\(.*\)/\1/p')
+                    ifname=${p##*/}
+                fi
+            fi
+            if [ "$s" = "on" ]; then
+                dcb="dcb"
+            else
+                dcb="nodcb"
+            fi
+
+            # Some Combined Network Adapters(CNAs) implement DCB in firmware.
+            # Do not run software-based DCB or LLDP on CNAs that implement DCB.
+            # If the network interface provides hardware DCB/DCBX capabilities,
+            # DCB_REQUIRED in "/etc/fcoe/cfg-xxx" is expected to set to "no".
+            #
+            # Force "nodcb" if there's any DCB_REQUIRED="no"(child or vlan parent).
+            if grep -q '^[[:blank:]]*DCB_REQUIRED="no"' /etc/fcoe/cfg-"${i##*/}" &> /dev/null; then
+                dcb="nodcb"
+            fi
+
+            if [ "$p" ]; then
+                if grep -q '^[[:blank:]]*DCB_REQUIRED="no"' /etc/fcoe/cfg-"${p}" &> /dev/null; then
+                    dcb="nodcb"
+                fi
+            fi
+
+            echo "ifname=${ifname}:${mac}"
+            echo "fcoe=${ifname}:${dcb}:${mode}"
+        done
+    } | sort | uniq
+}
+
+# called by dracut
+install() {
+    inst_multiple ip dcbtool fipvlan lldpad readlink lldptool fcoemon fcoeadm tr
+    if [[ -e $dracutsysrootdir/etc/hba.conf ]]; then
+        inst_libdir_file 'libhbalinux.so*'
+        inst_simple "/etc/hba.conf"
+    fi
+
+    mkdir -m 0755 -p "$initdir/var/lib/lldpad"
+    mkdir -m 0755 -p "$initdir/etc/fcoe"
+
+    if [[ $hostonly_cmdline == "yes" ]]; then
+        local _fcoeconf
+        _fcoeconf=$(cmdline)
+        [[ $_fcoeconf ]] && printf "%s\n" "$_fcoeconf" >> "${initdir}/etc/cmdline.d/95fcoe.conf"
+    fi
+    inst_multiple "/etc/fcoe/cfg-*"
+
+    inst "$moddir/fcoe-up.sh" "/sbin/fcoe-up"
+    inst "$moddir/fcoe-edd.sh" "/sbin/fcoe-edd"
+    inst_hook pre-trigger 03 "$moddir/lldpad.sh"
+    inst_hook cmdline 99 "$moddir/parse-fcoe.sh"
+    inst_hook cleanup 90 "$moddir/cleanup-fcoe.sh"
+    inst_hook shutdown 40 "$moddir/stop-fcoe.sh"
+    dracut_need_initqueue
+}